コード例 #1
0
ファイル: input_complete.c プロジェクト: CyberShadow/mc
static char *
filename_completion_function (const char *text, int state, input_complete_t flags)
{
    static DIR *directory = NULL;
    static char *filename = NULL;
    static char *dirname = NULL;
    static char *users_dirname = NULL;
    static size_t filename_len;
    int isdir = 1, isexec = 0;
    static vfs_path_t *dirname_vpath = NULL;

    struct dirent *entry = NULL;

    SHOW_C_CTX ("filename_completion_function");

    if (text && (flags & INPUT_COMPLETE_SHELL_ESC))
    {
        char *u_text;
        char *result;
        char *e_result;

        u_text = strutils_shell_unescape (text);

        result = filename_completion_function (u_text, state, flags & (~INPUT_COMPLETE_SHELL_ESC));
        g_free (u_text);

        e_result = strutils_shell_escape (result);
        g_free (result);

        return e_result;
    }

    /* If we're starting the match process, initialize us a bit. */
    if (state == 0)
    {
        const char *temp;

        g_free (dirname);
        g_free (filename);
        g_free (users_dirname);
        vfs_path_free (dirname_vpath);

        if ((*text != '\0') && (temp = strrchr (text, PATH_SEP)) != NULL)
        {
            filename = g_strdup (++temp);
            dirname = g_strndup (text, temp - text);
        }
        else
        {
            dirname = g_strdup (".");
            filename = g_strdup (text);
        }

        /* We aren't done yet.  We also support the "~user" syntax. */

        /* Save the version of the directory that the user typed. */
        users_dirname = dirname;
        dirname = tilde_expand (dirname);
        canonicalize_pathname (dirname);
        dirname_vpath = vfs_path_from_str (dirname);

        /* Here we should do something with variable expansion
           and `command`.
           Maybe a dream - UNIMPLEMENTED yet. */

        directory = mc_opendir (dirname_vpath);
        filename_len = strlen (filename);
    }

    /* Now that we have some state, we can read the directory. */

    while (directory && (entry = mc_readdir (directory)))
    {
        if (!str_is_valid_string (entry->d_name))
            continue;

        /* Special case for no filename.
           All entries except "." and ".." match. */
        if (filename_len == 0)
        {
            if (DIR_IS_DOT (entry->d_name) || DIR_IS_DOTDOT (entry->d_name))
                continue;
        }
        else
        {
            /* Otherwise, if these match up to the length of filename, then
               it may be a match. */
            if ((entry->d_name[0] != filename[0]) ||
                ((NLENGTH (entry)) < filename_len) ||
                strncmp (filename, entry->d_name, filename_len))
                continue;
        }
        isdir = 1;
        isexec = 0;
        {
            struct stat tempstat;
            vfs_path_t *tmp_vpath;

            tmp_vpath = vfs_path_build_filename (dirname, entry->d_name, (char *) NULL);

            /* Unix version */
            if (mc_stat (tmp_vpath, &tempstat) == 0)
            {
                uid_t my_uid = getuid ();
                gid_t my_gid = getgid ();

                if (!S_ISDIR (tempstat.st_mode))
                {
                    isdir = 0;
                    if ((!my_uid && (tempstat.st_mode & 0111)) ||
                        (my_uid == tempstat.st_uid && (tempstat.st_mode & 0100)) ||
                        (my_gid == tempstat.st_gid && (tempstat.st_mode & 0010)) ||
                        (tempstat.st_mode & 0001))
                        isexec = 1;
                }
            }
            else
            {
                /* stat failed, strange. not a dir in any case */
                isdir = 0;
            }
            vfs_path_free (tmp_vpath);
        }
        if ((flags & INPUT_COMPLETE_COMMANDS) && (isexec || isdir))
            break;
        if ((flags & INPUT_COMPLETE_CD) && isdir)
            break;
        if (flags & (INPUT_COMPLETE_FILENAMES))
            break;
    }

    if (entry == NULL)
    {
        if (directory)
        {
            mc_closedir (directory);
            directory = NULL;
        }
        g_free (dirname);
        dirname = NULL;
        vfs_path_free (dirname_vpath);
        dirname_vpath = NULL;
        g_free (filename);
        filename = NULL;
        g_free (users_dirname);
        users_dirname = NULL;
        return NULL;
    }

    {
        GString *temp;

        temp = g_string_sized_new (16);

        if (users_dirname != NULL && (users_dirname[0] != '.' || users_dirname[1] != '\0'))
        {
            g_string_append (temp, users_dirname);

            /* We need a '/' at the end. */
            if (temp->str[temp->len - 1] != PATH_SEP)
                g_string_append_c (temp, PATH_SEP);
        }
        g_string_append (temp, entry->d_name);
        if (isdir)
            g_string_append_c (temp, PATH_SEP);

        return g_string_free (temp, FALSE);
    }
}
コード例 #2
0
ファイル: tracefile-tfile.c プロジェクト: kraj/binutils-gdb
static void
tfile_open (const char *arg, int from_tty)
{
  char *temp;
  struct cleanup *old_chain;
  int flags;
  int scratch_chan;
  char header[TRACE_HEADER_SIZE];
  char linebuf[1000]; /* Should be max remote packet size or so.  */
  gdb_byte byte;
  int bytes, i;
  struct trace_status *ts;
  struct uploaded_tp *uploaded_tps = NULL;
  struct uploaded_tsv *uploaded_tsvs = NULL;
  char *filename;

  target_preopen (from_tty);
  if (!arg)
    error (_("No trace file specified."));

  filename = tilde_expand (arg);
  if (!IS_ABSOLUTE_PATH(filename))
    {
      temp = concat (current_directory, "/", filename, (char *) NULL);
      xfree (filename);
      filename = temp;
    }

  old_chain = make_cleanup (xfree, filename);

  flags = O_BINARY | O_LARGEFILE;
  flags |= O_RDONLY;
  scratch_chan = gdb_open_cloexec (filename, flags, 0);
  if (scratch_chan < 0)
    perror_with_name (filename);

  /* Looks semi-reasonable.  Toss the old trace file and work on the new.  */

  discard_cleanups (old_chain);	/* Don't free filename any more.  */
  unpush_target (&tfile_ops);

  trace_filename = xstrdup (filename);
  trace_fd = scratch_chan;

  /* Make sure this is clear.  */
  buffer_free (&trace_tdesc);

  bytes = 0;
  /* Read the file header and test for validity.  */
  tfile_read ((gdb_byte *) &header, TRACE_HEADER_SIZE);

  bytes += TRACE_HEADER_SIZE;
  if (!(header[0] == 0x7f
	&& (startswith (header + 1, "TRACE0\n"))))
    error (_("File is not a valid trace file."));

  push_target (&tfile_ops);

  trace_regblock_size = 0;
  ts = current_trace_status ();
  /* We know we're working with a file.  Record its name.  */
  ts->filename = trace_filename;
  /* Set defaults in case there is no status line.  */
  ts->running_known = 0;
  ts->stop_reason = trace_stop_reason_unknown;
  ts->traceframe_count = -1;
  ts->buffer_free = 0;
  ts->disconnected_tracing = 0;
  ts->circular_buffer = 0;

  TRY
    {
      /* Read through a section of newline-terminated lines that
	 define things like tracepoints.  */
      i = 0;
      while (1)
	{
	  tfile_read (&byte, 1);

	  ++bytes;
	  if (byte == '\n')
	    {
	      /* Empty line marks end of the definition section.  */
	      if (i == 0)
		break;
	      linebuf[i] = '\0';
	      i = 0;
	      tfile_interp_line (linebuf, &uploaded_tps, &uploaded_tsvs);
	    }
	  else
	    linebuf[i++] = byte;
	  if (i >= 1000)
	    error (_("Excessively long lines in trace file"));
	}

      /* By now, tdesc lines have been read from tfile - let's parse them.  */
      target_find_description ();

      /* Record the starting offset of the binary trace data.  */
      trace_frames_offset = bytes;

      /* If we don't have a blocksize, we can't interpret the
	 traceframes.  */
      if (trace_regblock_size == 0)
	error (_("No register block size recorded in trace file"));
    }
  CATCH (ex, RETURN_MASK_ALL)
    {
      /* Remove the partially set up target.  */
      unpush_target (&tfile_ops);
      throw_exception (ex);
    }
コード例 #3
0
static void
core_open (char *filename, int from_tty)
{
  const char *p;
  int siggy;
  struct cleanup *old_chain;
  char *temp;
  bfd *temp_bfd;
  int scratch_chan;
  int flags;
  volatile struct gdb_exception except;

  target_preopen (from_tty);
  if (!filename)
    {
      if (core_bfd)
	error (_("No core file specified.  (Use `detach' "
		 "to stop debugging a core file.)"));
      else
	error (_("No core file specified."));
    }

  filename = tilde_expand (filename);
  if (!IS_ABSOLUTE_PATH (filename))
    {
      temp = concat (current_directory, "/",
		     filename, (char *) NULL);
      xfree (filename);
      filename = temp;
    }

  old_chain = make_cleanup (xfree, filename);

  flags = O_BINARY | O_LARGEFILE;
  if (write_files)
    flags |= O_RDWR;
  else
    flags |= O_RDONLY;
  scratch_chan = gdb_open_cloexec (filename, flags, 0);
  if (scratch_chan < 0)
    perror_with_name (filename);

  temp_bfd = gdb_bfd_fopen (filename, gnutarget, 
			    write_files ? FOPEN_RUB : FOPEN_RB,
			    scratch_chan);
  if (temp_bfd == NULL)
    perror_with_name (filename);

  if (!bfd_check_format (temp_bfd, bfd_core)
      && !gdb_check_format (temp_bfd))
    {
      /* Do it after the err msg */
      /* FIXME: should be checking for errors from bfd_close (for one
         thing, on error it does not free all the storage associated
         with the bfd).  */
      make_cleanup_bfd_unref (temp_bfd);
      error (_("\"%s\" is not a core dump: %s"),
	     filename, bfd_errmsg (bfd_get_error ()));
    }

  /* Looks semi-reasonable.  Toss the old core file and work on the
     new.  */

  do_cleanups (old_chain);
  unpush_target (&core_ops);
  core_bfd = temp_bfd;
  old_chain = make_cleanup (core_close_cleanup, 0 /*ignore*/);

  core_gdbarch = gdbarch_from_bfd (core_bfd);

  /* Find a suitable core file handler to munch on core_bfd */
  core_vec = sniff_core_bfd (core_bfd);

  validate_files ();

  core_data = XZALLOC (struct target_section_table);

  /* Find the data section */
  if (build_section_table (core_bfd,
			   &core_data->sections,
			   &core_data->sections_end))
    error (_("\"%s\": Can't find sections: %s"),
	   bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ()));

  /* If we have no exec file, try to set the architecture from the
     core file.  We don't do this unconditionally since an exec file
     typically contains more information that helps us determine the
     architecture than a core file.  */
  if (!exec_bfd)
    set_gdbarch_from_file (core_bfd);

  push_target (&core_ops);
  discard_cleanups (old_chain);

  /* Do this before acknowledging the inferior, so if
     post_create_inferior throws (can happen easilly if you're loading
     a core file with the wrong exec), we aren't left with threads
     from the previous inferior.  */
  init_thread_list ();

  inferior_ptid = null_ptid;

  /* Need to flush the register cache (and the frame cache) from a
     previous debug session.  If inferior_ptid ends up the same as the
     last debug session --- e.g., b foo; run; gcore core1; step; gcore
     core2; core core1; core core2 --- then there's potential for
     get_current_regcache to return the cached regcache of the
     previous session, and the frame cache being stale.  */
  registers_changed ();

  /* Build up thread list from BFD sections, and possibly set the
     current thread to the .reg/NN section matching the .reg
     section.  */
  bfd_map_over_sections (core_bfd, add_to_thread_list,
			 bfd_get_section_by_name (core_bfd, ".reg"));

  if (ptid_equal (inferior_ptid, null_ptid))
    {
      /* Either we found no .reg/NN section, and hence we have a
	 non-threaded core (single-threaded, from gdb's perspective),
	 or for some reason add_to_thread_list couldn't determine
	 which was the "main" thread.  The latter case shouldn't
	 usually happen, but we're dealing with input here, which can
	 always be broken in different ways.  */
      struct thread_info *thread = first_thread_of_process (-1);

      if (thread == NULL)
	{
	  inferior_appeared (current_inferior (), CORELOW_PID);
	  inferior_ptid = pid_to_ptid (CORELOW_PID);
	  add_thread_silent (inferior_ptid);
	}
      else
	switch_to_thread (thread->ptid);
    }

  post_create_inferior (&core_ops, from_tty);

  /* Now go through the target stack looking for threads since there
     may be a thread_stratum target loaded on top of target core by
     now.  The layer above should claim threads found in the BFD
     sections.  */
  TRY_CATCH (except, RETURN_MASK_ERROR)
    {
      target_find_new_threads ();
    }

  if (except.reason < 0)
    exception_print (gdb_stderr, except);

  p = bfd_core_file_failing_command (core_bfd);
  if (p)
    printf_filtered (_("Core was generated by `%s'.\n"), p);

  siggy = bfd_core_file_failing_signal (core_bfd);
  if (siggy > 0)
    {
      /* If we don't have a CORE_GDBARCH to work with, assume a native
	 core (map gdb_signal from host signals).  If we do have
	 CORE_GDBARCH to work with, but no gdb_signal_from_target
	 implementation for that gdbarch, as a fallback measure,
	 assume the host signal mapping.  It'll be correct for native
	 cores, but most likely incorrect for cross-cores.  */
      enum gdb_signal sig = (core_gdbarch != NULL
			     && gdbarch_gdb_signal_from_target_p (core_gdbarch)
			     ? gdbarch_gdb_signal_from_target (core_gdbarch,
							       siggy)
			     : gdb_signal_from_host (siggy));

      printf_filtered (_("Program terminated with signal %d, %s.\n"),
		       siggy, gdb_signal_to_string (sig));
    }

  /* Fetch all registers from core file.  */
  target_fetch_registers (get_current_regcache (), -1);

  /* Now, set up the frame cache, and print the top of stack.  */
  reinit_frame_cache ();
  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
}
コード例 #4
0
void
cd_command (char *dir, int from_tty)
{
  int len;
  /* Found something other than leading repetitions of "/..".  */
  int found_real_path;
  char *p;

  /* If the new directory is absolute, repeat is a no-op; if relative,
     repeat might be useful but is more likely to be a mistake.  */
  dont_repeat ();

  if (dir == 0)
    error_no_arg (_("new working directory"));

  dir = tilde_expand (dir);
  make_cleanup (xfree, dir);

  if (chdir (dir) < 0)
    perror_with_name (dir);

#ifdef HAVE_DOS_BASED_FILE_SYSTEM
  /* There's too much mess with DOSish names like "d:", "d:.",
     "d:./foo" etc.  Instead of having lots of special #ifdef'ed code,
     simply get the canonicalized name of the current directory.  */
  dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
#endif

  len = strlen (dir);
  if (IS_DIR_SEPARATOR (dir[len - 1]))
    {
      /* Remove the trailing slash unless this is a root directory
         (including a drive letter on non-Unix systems).  */
      if (!(len == 1)		/* "/" */
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
	  && !(len == 3 && dir[1] == ':') /* "d:/" */
#endif
	  )
	len--;
    }

  dir = savestring (dir, len);
  if (IS_ABSOLUTE_PATH (dir))
    current_directory = dir;
  else
    {
      if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
	current_directory = concat (current_directory, dir, (char *)NULL);
      else
	current_directory = concat (current_directory, SLASH_STRING,
				    dir, (char *)NULL);
      xfree (dir);
    }

  /* Now simplify any occurrences of `.' and `..' in the pathname.  */

  found_real_path = 0;
  for (p = current_directory; *p;)
    {
      if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
	  && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
	strcpy (p, p + 2);
      else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
	       && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
	{
	  if (found_real_path)
	    {
	      /* Search backwards for the directory just before the "/.."
	         and obliterate it and the "/..".  */
	      char *q = p;

	      while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
		--q;

	      if (q == current_directory)
		/* current_directory is
		   a relative pathname ("can't happen"--leave it alone).  */
		++p;
	      else
		{
		  strcpy (q - 1, p + 3);
		  p = q - 1;
		}
	    }
	  else
	    /* We are dealing with leading repetitions of "/..", for example
	       "/../..", which is the Mach super-root.  */
	    p += 3;
	}
      else
	{
	  found_real_path = 1;
	  ++p;
	}
    }

  forget_cached_source_info ();

  if (from_tty)
    pwd_command ((char *) 0, 1);
}
コード例 #5
0
ファイル: command.c プロジェクト: TomyLobo/mc
static char *
examine_cd (const char *_path)
{
    typedef enum
    { copy_sym, subst_var } state_t;

    state_t state = copy_sym;
    char *q;
    size_t qlen;
    char *path_tilde, *path;
    char *p, *r;

    /* Tilde expansion */
    path = strutils_shell_unescape (_path);
    path_tilde = tilde_expand (path);
    g_free (path);

    /* Leave space for further expansion */
    qlen = strlen (path_tilde) + MC_MAXPATHLEN;
    q = g_malloc (qlen);

    /* Variable expansion */
    for (p = path_tilde, r = q; *p != '\0' && r < q + MC_MAXPATHLEN;)
    {

        switch (state)
        {
        case copy_sym:
            if (p[0] == '\\' && p[1] == '$')
            {
                /* skip backslash */
                p++;
                /* copy dollar */
                *(r++) = *(p++);
            }
            else if (p[0] != '$' || p[1] == '[' || p[1] == '(')
                *(r++) = *(p++);
            else
                state = subst_var;
            break;

        case subst_var:
            {
                char *s;
                char c;
                const char *t;

                /* skip dollar */
                p++;

                if (p[0] != '{')
                    s = NULL;
                else
                {
                    p++;
                    s = strchr (p, '}');
                }
                if (s == NULL)
                    s = strchr (p, PATH_SEP);
                if (s == NULL)
                    s = strchr (p, '\0');
                c = *s;
                *s = '\0';
                t = getenv (p);
                *s = c;
                if (t == NULL)
                {
                    *(r++) = '$';
                    if (p[-1] != '$')
                        *(r++) = '{';
                }
                else
                {
                    size_t tlen;

                    tlen = strlen (t);

                    if (r + tlen < q + MC_MAXPATHLEN)
                    {
                        strncpy (r, t, tlen + 1);
                        r += tlen;
                    }
                    p = s;
                    if (*s == '}')
                        p++;
                }

                state = copy_sym;
                break;
            }
        }
    }

    g_free (path_tilde);

    *r = '\0';

    return q;
}
コード例 #6
0
struct compile_module *
compile_object_load (const char *object_file, const char *source_file,
		     enum compile_i_scope_types scope, void *scope_data)
{
  struct cleanup *cleanups, *cleanups_free_objfile;
  bfd *abfd;
  struct setup_sections_data setup_sections_data;
  CORE_ADDR addr, regs_addr, out_value_addr = 0;
  struct symbol *func_sym;
  struct type *func_type;
  struct bound_minimal_symbol bmsym;
  long storage_needed;
  asymbol **symbol_table, **symp;
  long number_of_symbols, missing_symbols;
  struct type *dptr_type = builtin_type (target_gdbarch ())->builtin_data_ptr;
  unsigned dptr_type_len = TYPE_LENGTH (dptr_type);
  struct compile_module *retval;
  struct type *regs_type, *out_value_type = NULL;
  char *filename, **matching;
  struct objfile *objfile;
  int expect_parameters;
  struct type *expect_return_type;
  struct munmap_list *munmap_list_head = NULL;

  filename = tilde_expand (object_file);
  cleanups = make_cleanup (xfree, filename);

  abfd = gdb_bfd_open (filename, gnutarget, -1);
  if (abfd == NULL)
    error (_("\"%s\": could not open as compiled module: %s"),
          filename, bfd_errmsg (bfd_get_error ()));
  make_cleanup_bfd_unref (abfd);

  if (!bfd_check_format_matches (abfd, bfd_object, &matching))
    error (_("\"%s\": not in loadable format: %s"),
          filename, gdb_bfd_errmsg (bfd_get_error (), matching));

  if ((bfd_get_file_flags (abfd) & (EXEC_P | DYNAMIC)) != 0)
    error (_("\"%s\": not in object format."), filename);

  setup_sections_data.last_size = 0;
  setup_sections_data.last_section_first = abfd->sections;
  setup_sections_data.last_prot = -1;
  setup_sections_data.last_max_alignment = 1;
  setup_sections_data.munmap_list_headp = &munmap_list_head;
  make_cleanup (munmap_listp_free_cleanup, &munmap_list_head);
  bfd_map_over_sections (abfd, setup_sections, &setup_sections_data);
  setup_sections (abfd, NULL, &setup_sections_data);

  storage_needed = bfd_get_symtab_upper_bound (abfd);
  if (storage_needed < 0)
    error (_("Cannot read symbols of compiled module \"%s\": %s"),
          filename, bfd_errmsg (bfd_get_error ()));

  /* SYMFILE_VERBOSE is not passed even if FROM_TTY, user is not interested in
     "Reading symbols from ..." message for automatically generated file.  */
  objfile = symbol_file_add_from_bfd (abfd, filename, 0, NULL, 0, NULL);
  cleanups_free_objfile = make_cleanup_free_objfile (objfile);

  func_sym = lookup_global_symbol_from_objfile (objfile,
						GCC_FE_WRAPPER_FUNCTION,
						VAR_DOMAIN);
  if (func_sym == NULL)
    error (_("Cannot find function \"%s\" in compiled module \"%s\"."),
	   GCC_FE_WRAPPER_FUNCTION, objfile_name (objfile));
  func_type = SYMBOL_TYPE (func_sym);
  if (TYPE_CODE (func_type) != TYPE_CODE_FUNC)
    error (_("Invalid type code %d of function \"%s\" in compiled "
	     "module \"%s\"."),
	   TYPE_CODE (func_type), GCC_FE_WRAPPER_FUNCTION,
	   objfile_name (objfile));

  switch (scope)
    {
    case COMPILE_I_SIMPLE_SCOPE:
      expect_parameters = 1;
      expect_return_type = builtin_type (target_gdbarch ())->builtin_void;
      break;
    case COMPILE_I_RAW_SCOPE:
      expect_parameters = 0;
      expect_return_type = builtin_type (target_gdbarch ())->builtin_void;
      break;
    case COMPILE_I_PRINT_ADDRESS_SCOPE:
    case COMPILE_I_PRINT_VALUE_SCOPE:
      expect_parameters = 2;
      expect_return_type = builtin_type (target_gdbarch ())->builtin_void;
      break;
    default:
      internal_error (__FILE__, __LINE__, _("invalid scope %d"), scope);
    }
  if (TYPE_NFIELDS (func_type) != expect_parameters)
    error (_("Invalid %d parameters of function \"%s\" in compiled "
	     "module \"%s\"."),
	   TYPE_NFIELDS (func_type), GCC_FE_WRAPPER_FUNCTION,
	   objfile_name (objfile));
  if (!types_deeply_equal (expect_return_type, TYPE_TARGET_TYPE (func_type)))
    error (_("Invalid return type of function \"%s\" in compiled "
	    "module \"%s\"."),
	  GCC_FE_WRAPPER_FUNCTION, objfile_name (objfile));

  /* The memory may be later needed
     by bfd_generic_get_relocated_section_contents
     called from default_symfile_relocate.  */
  symbol_table = obstack_alloc (&objfile->objfile_obstack, storage_needed);
  number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table);
  if (number_of_symbols < 0)
    error (_("Cannot parse symbols of compiled module \"%s\": %s"),
          filename, bfd_errmsg (bfd_get_error ()));

  missing_symbols = 0;
  for (symp = symbol_table; symp < symbol_table + number_of_symbols; symp++)
    {
      asymbol *sym = *symp;

      if (sym->flags != 0)
	continue;
      sym->flags = BSF_GLOBAL;
      sym->section = bfd_abs_section_ptr;
      if (strcmp (sym->name, "_GLOBAL_OFFSET_TABLE_") == 0)
	{
	  if (compile_debug)
	    fprintf_unfiltered (gdb_stdlog,
				"ELF symbol \"%s\" relocated to zero\n",
				sym->name);

	  /* It seems to be a GCC bug, with -mcmodel=large there should be no
	     need for _GLOBAL_OFFSET_TABLE_.  Together with -fPIE the data
	     remain PC-relative even with _GLOBAL_OFFSET_TABLE_ as zero.  */
	  sym->value = 0;
	  continue;
	}
      bmsym = lookup_minimal_symbol (sym->name, NULL, NULL);
      switch (bmsym.minsym == NULL
	      ? mst_unknown : MSYMBOL_TYPE (bmsym.minsym))
	{
	case mst_text:
	  sym->value = BMSYMBOL_VALUE_ADDRESS (bmsym);
	  if (compile_debug)
	    fprintf_unfiltered (gdb_stdlog,
				"ELF mst_text symbol \"%s\" relocated to %s\n",
				sym->name,
				paddress (target_gdbarch (), sym->value));
	  break;
	case mst_text_gnu_ifunc:
	  sym->value = gnu_ifunc_resolve_addr (target_gdbarch (),
					       BMSYMBOL_VALUE_ADDRESS (bmsym));
	  if (compile_debug)
	    fprintf_unfiltered (gdb_stdlog,
				"ELF mst_text_gnu_ifunc symbol \"%s\" "
				"relocated to %s\n",
				sym->name,
				paddress (target_gdbarch (), sym->value));
	  break;
	default:
	  warning (_("Could not find symbol \"%s\" "
		     "for compiled module \"%s\"."),
		   sym->name, filename);
	  missing_symbols++;
	}
    }
  if (missing_symbols)
    error (_("%ld symbols were missing, cannot continue."), missing_symbols);

  bfd_map_over_sections (abfd, copy_sections, symbol_table);

  regs_type = get_regs_type (func_sym, objfile);
  if (regs_type == NULL)
    regs_addr = 0;
  else
    {
      /* Use read-only non-executable memory protection.  */
      regs_addr = gdbarch_infcall_mmap (target_gdbarch (),
					TYPE_LENGTH (regs_type),
					GDB_MMAP_PROT_READ);
      gdb_assert (regs_addr != 0);
      munmap_list_add (&munmap_list_head, regs_addr, TYPE_LENGTH (regs_type));
      if (compile_debug)
	fprintf_unfiltered (gdb_stdlog,
			    "allocated %s bytes at %s for registers\n",
			    paddress (target_gdbarch (),
				      TYPE_LENGTH (regs_type)),
			    paddress (target_gdbarch (), regs_addr));
      store_regs (regs_type, regs_addr);
    }

  if (scope == COMPILE_I_PRINT_ADDRESS_SCOPE
      || scope == COMPILE_I_PRINT_VALUE_SCOPE)
    {
      out_value_type = get_out_value_type (func_sym, objfile, scope);
      if (out_value_type == NULL)
	{
	  do_cleanups (cleanups);
	  return NULL;
	}
      check_typedef (out_value_type);
      out_value_addr = gdbarch_infcall_mmap (target_gdbarch (),
					     TYPE_LENGTH (out_value_type),
					     (GDB_MMAP_PROT_READ
					      | GDB_MMAP_PROT_WRITE));
      gdb_assert (out_value_addr != 0);
      munmap_list_add (&munmap_list_head, out_value_addr,
		       TYPE_LENGTH (out_value_type));
      if (compile_debug)
	fprintf_unfiltered (gdb_stdlog,
			    "allocated %s bytes at %s for printed value\n",
			    paddress (target_gdbarch (),
				      TYPE_LENGTH (out_value_type)),
			    paddress (target_gdbarch (), out_value_addr));
    }

  discard_cleanups (cleanups_free_objfile);

  retval = xmalloc (sizeof (*retval));
  retval->objfile = objfile;
  retval->source_file = xstrdup (source_file);
  retval->func_sym = func_sym;
  retval->regs_addr = regs_addr;
  retval->scope = scope;
  retval->scope_data = scope_data;
  retval->out_value_type = out_value_type;
  retval->out_value_addr = out_value_addr;

  /* CLEANUPS will free MUNMAP_LIST_HEAD.  */
  retval->munmap_list_head = munmap_list_head;
  munmap_list_head = NULL;

  do_cleanups (cleanups);

  return retval;
}
コード例 #7
0
void
do_setshow_command(const char *arg, int from_tty, struct cmd_list_element *c)
{
  if (c->type == set_cmd)
    {
      switch (c->var_type)
	{
	case var_string:
	  {
	    char *newstr;
	    const char *p;
	    char *q;
	    int ch;

	    if (arg == NULL)
	      arg = "";
	    newstr = (char *)xmalloc(strlen(arg) + 2UL);
	    p = arg;
	    q = newstr;
	    while ((ch = *p++) != '\000')
	      {
		if (ch == '\\')
		  {
		    /* \ at end of argument is used after spaces
		       so they won't be lost.  */
		    /* This is obsolete now that we no longer strip
		       trailing whitespace and actually, the backslash
		       didn't get here in my test, readline or
		       something did something funky with a backslash
		       right before a newline.  */
		    if (*p == 0)
		      break;
		    ch = parse_escape(&p);
		    if (ch == 0)
		      break;	/* C loses */
		    else if (ch > 0)
		      *q++ = (char)ch;
		  }
		else
		  *q++ = (char)ch;
	      }
#if 0
	    if (*(p - 1) != '\\')
	      *q++ = ' ';
#endif /* 0 */
	    *q++ = '\0';
	    newstr = (char *)xrealloc(newstr, (q - newstr));
	    if (*(char **)c->var != NULL)
	      xfree(*(char **)c->var);
	    *(char **)c->var = newstr;
	  }
	  break;
	case var_string_noescape:
	  if (arg == NULL)
	    arg = "";
	  if (*(char **)c->var != NULL)
	    xfree(*(char **)c->var);
	  *(char **)c->var = savestring(arg, strlen(arg));
	  break;
	case var_optional_filename:
	  if (arg == NULL)
	    arg = "";
	  if (*(char **)c->var != NULL)
	    xfree(*(char **)c->var);
	  *(char **)c->var = savestring(arg, strlen(arg));
	  break;
	case var_filename:
	  if (arg == NULL)
	    error_no_arg(_("filename to set it to."));
	  if (*(char **)c->var != NULL)
	    xfree (*(char **)c->var);
	  *(char **)c->var = tilde_expand(arg);
	  break;
	case var_boolean:
	  *(int *)c->var = parse_binary_operation(arg);
	  break;
	case var_auto_boolean:
	  *(enum auto_boolean *)c->var = parse_auto_binary_operation(arg);
	  break;
	case var_uinteger:
	  if (arg == NULL)
	    error_no_arg(_("integer to set it to."));
	  *(unsigned int *)c->var = (unsigned int)parse_and_eval_long(arg);
	  if (*(unsigned int *)c->var == 0)
	    *(unsigned int *)c->var = UINT_MAX;
	  break;
	case var_integer:
	  {
	    unsigned int val;
	    if (arg == NULL)
	      error_no_arg(_("integer to set it to."));
	    val = (unsigned int)parse_and_eval_long(arg);
	    if (val == 0)
	      *(int *)c->var = INT_MAX;
	    else if (val >= INT_MAX)
	      error(_("integer %u out of range"), val);
	    else
	      *(int *)c->var = val;
	    break;
	  }
	case var_zinteger:
	  if (arg == NULL)
	    error_no_arg(_("integer to set it to."));
	  *(int *)c->var = (int)parse_and_eval_long(arg);
	  break;
	case var_enum:
	  {
	    int i;
	    size_t len;
	    int nmatches = 0;
	    const char *match = NULL;
	    char *p;

	    /* APPLE LOCAL: Give the valid options for all error
	       messages for enum type commands. */

	    /* If an argument was supplied, parse it. */
	    if (arg != NULL)
	      {
		p = strchr(arg, ' ');

		if (p)
		  len = (p - arg);
		else
		  len = strlen(arg);

		nmatches = 0;
		for (i = 0; c->enums[i]; i++)
		  if (strncmp(arg, c->enums[i], len) == 0)
		    {
		      if (c->enums[i][len] == '\0')
			{
			  match = c->enums[i];
			  nmatches = 1;
			  break; /* exact match. */
			}
		      else
			{
			  match = c->enums[i];
			  nmatches++;
			}
		    }
	      }

	    if (nmatches == 1)
	      *(const char **)c->var = match;
	    else
	      {
                /* If there was an error, print an informative
                   error message.  */
                struct ui_file *tmp_error_stream = mem_fileopen();
                make_cleanup_ui_file_delete (tmp_error_stream);

                if (arg == NULL)
                  fprintf_unfiltered(tmp_error_stream, "Requires an argument.");
                else if (nmatches <= 0)
                  fprintf_unfiltered(tmp_error_stream, "Undefined item: \"%s\".", arg);
		else if (nmatches > 1)
                  fprintf_unfiltered(tmp_error_stream, "Ambiguous item \"%s\".", arg);

                fprintf_unfiltered(tmp_error_stream, " Valid arguments are ");
                for (i = 0; c->enums[i]; i++)
                  {
                    if (i != 0)
                      fprintf_unfiltered(tmp_error_stream, ", ");
                    fputs_unfiltered(c->enums[i], tmp_error_stream);
                  }
                fprintf_unfiltered(tmp_error_stream, ".");
                error_stream(tmp_error_stream);
	      }

	    /* END APPLE LOCAL */
	  }
	  break;
	default:
	  error(_("gdb internal error: bad var_type in do_setshow_command"));
	}
    }
  else if (c->type == show_cmd)
    {
      struct cleanup *old_chain;
      struct ui_stream *stb;

      stb = ui_out_stream_new(uiout);
      old_chain = make_cleanup_ui_out_stream_delete(stb);

      /* Possibly call the pre hook: */
      if (c->pre_show_hook)
	(c->pre_show_hook)(c);

      switch (c->var_type)
	{
	case var_string:
	  {
	    if (*(unsigned char **)c->var)
	      fputstr_filtered(*(char **)c->var, '"', stb->stream);
	  }
	  break;
	case var_string_noescape:
	case var_optional_filename:
	case var_filename:
	case var_enum:
	  if (*(char **)c->var)
	    fputs_filtered(*(char **)c->var, stb->stream);
	  break;
	case var_boolean:
	  fputs_filtered(*(int *)c->var ? "on" : "off", stb->stream);
	  break;
	case var_auto_boolean:
	  switch (*(enum auto_boolean*)c->var)
	    {
	    case AUTO_BOOLEAN_TRUE:
	      fputs_filtered("on", stb->stream);
	      break;
	    case AUTO_BOOLEAN_FALSE:
	      fputs_filtered("off", stb->stream);
	      break;
	    case AUTO_BOOLEAN_AUTO:
	      fputs_filtered("auto", stb->stream);
	      break;
	    default:
	      internal_error(__FILE__, __LINE__,
			     _("do_setshow_command: invalid var_auto_boolean"));
	      gdb_unreachable();
	    }
	  break;
	case var_uinteger:
	  if (*(unsigned int *)c->var == UINT_MAX)
	    {
	      fputs_filtered("unlimited", stb->stream);
	      break;
	    }
	  /* else fall through */
	  ATTRIBUTE_FALLTHROUGH;
	case var_zinteger:
	  fprintf_filtered(stb->stream, "%u", *(unsigned int *)c->var);
	  break;
	case var_integer:
	  if (*(int *)c->var == INT_MAX)
	    {
	      fputs_filtered("unlimited", stb->stream);
	    }
	  else
	    fprintf_filtered(stb->stream, "%d", *(int *)c->var);
	  break;

	default:
	  error(_("gdb internal error: bad var_type in do_setshow_command"));
	}


      /* FIXME: cagney/2005-02-10: Need to split this in half: code to
	 convert the value into a string (esentially the above); and
	 code to print the value out.  For the latter there should be
	 MI and CLI specific versions.  */

      if (ui_out_is_mi_like_p(uiout))
	ui_out_field_stream(uiout, "value", stb);
      else
	{
	  long length;
	  char *value = ui_file_xstrdup(stb->stream, &length);
	  make_cleanup(xfree, value);
	  if (c->show_value_func != NULL)
	    c->show_value_func(gdb_stdout, from_tty, c, value);
	  else
	    deprecated_show_value_hack(gdb_stdout, from_tty, c, value);
	}
      do_cleanups(old_chain);
    }
  else
    error(_("gdb internal error: bad cmd_type in do_setshow_command"));
  c->func(c, NULL, from_tty);
  if ((c->type == set_cmd) && deprecated_set_hook)
    deprecated_set_hook(c);
}
コード例 #8
0
struct compile_module *
compile_object_load (const char *object_file, const char *source_file)
{
  struct cleanup *cleanups, *cleanups_free_objfile;
  bfd *abfd;
  struct setup_sections_data setup_sections_data;
  CORE_ADDR addr, func_addr, regs_addr;
  struct bound_minimal_symbol bmsym;
  long storage_needed;
  asymbol **symbol_table, **symp;
  long number_of_symbols, missing_symbols;
  struct type *dptr_type = builtin_type (target_gdbarch ())->builtin_data_ptr;
  unsigned dptr_type_len = TYPE_LENGTH (dptr_type);
  struct compile_module *retval;
  struct type *regs_type;
  char *filename, **matching;
  struct objfile *objfile;

  filename = tilde_expand (object_file);
  cleanups = make_cleanup (xfree, filename);

  abfd = gdb_bfd_open (filename, gnutarget, -1);
  if (abfd == NULL)
    error (_("\"%s\": could not open as compiled module: %s"),
          filename, bfd_errmsg (bfd_get_error ()));
  make_cleanup_bfd_unref (abfd);

  if (!bfd_check_format_matches (abfd, bfd_object, &matching))
    error (_("\"%s\": not in loadable format: %s"),
          filename, gdb_bfd_errmsg (bfd_get_error (), matching));

  if ((bfd_get_file_flags (abfd) & (EXEC_P | DYNAMIC)) != 0)
    error (_("\"%s\": not in object format."), filename);

  setup_sections_data.last_size = 0;
  setup_sections_data.last_section_first = abfd->sections;
  setup_sections_data.last_prot = -1;
  setup_sections_data.last_max_alignment = 1;
  bfd_map_over_sections (abfd, setup_sections, &setup_sections_data);
  setup_sections (abfd, NULL, &setup_sections_data);

  storage_needed = bfd_get_symtab_upper_bound (abfd);
  if (storage_needed < 0)
    error (_("Cannot read symbols of compiled module \"%s\": %s"),
          filename, bfd_errmsg (bfd_get_error ()));

  /* SYMFILE_VERBOSE is not passed even if FROM_TTY, user is not interested in
     "Reading symbols from ..." message for automatically generated file.  */
  objfile = symbol_file_add_from_bfd (abfd, filename, 0, NULL, 0, NULL);
  cleanups_free_objfile = make_cleanup_free_objfile (objfile);

  bmsym = lookup_minimal_symbol_text (GCC_FE_WRAPPER_FUNCTION, objfile);
  if (bmsym.minsym == NULL || MSYMBOL_TYPE (bmsym.minsym) == mst_file_text)
    error (_("Could not find symbol \"%s\" of compiled module \"%s\"."),
	   GCC_FE_WRAPPER_FUNCTION, filename);
  func_addr = BMSYMBOL_VALUE_ADDRESS (bmsym);

  /* The memory may be later needed
     by bfd_generic_get_relocated_section_contents
     called from default_symfile_relocate.  */
  symbol_table = obstack_alloc (&objfile->objfile_obstack, storage_needed);
  number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table);
  if (number_of_symbols < 0)
    error (_("Cannot parse symbols of compiled module \"%s\": %s"),
          filename, bfd_errmsg (bfd_get_error ()));

  missing_symbols = 0;
  for (symp = symbol_table; symp < symbol_table + number_of_symbols; symp++)
    {
      asymbol *sym = *symp;

      if (sym->flags != 0)
	continue;
      if (compile_debug)
	fprintf_unfiltered (gdb_stdout,
			    "lookup undefined ELF symbol \"%s\"\n",
			    sym->name);
      sym->flags = BSF_GLOBAL;
      sym->section = bfd_abs_section_ptr;
      if (strcmp (sym->name, "_GLOBAL_OFFSET_TABLE_") == 0)
	{
	  sym->value = 0;
	  continue;
	}
      bmsym = lookup_minimal_symbol (sym->name, NULL, NULL);
      switch (bmsym.minsym == NULL
	      ? mst_unknown : MSYMBOL_TYPE (bmsym.minsym))
	{
	case mst_text:
	  sym->value = BMSYMBOL_VALUE_ADDRESS (bmsym);
	  break;
	default:
	  warning (_("Could not find symbol \"%s\" "
		     "for compiled module \"%s\"."),
		   sym->name, filename);
	  missing_symbols++;
	}
    }
  if (missing_symbols)
    error (_("%ld symbols were missing, cannot continue."), missing_symbols);

  bfd_map_over_sections (abfd, copy_sections, symbol_table);

  regs_type = get_regs_type (objfile);
  if (regs_type == NULL)
    regs_addr = 0;
  else
    {
      /* Use read-only non-executable memory protection.  */
      regs_addr = gdbarch_infcall_mmap (target_gdbarch (),
					TYPE_LENGTH (regs_type),
					GDB_MMAP_PROT_READ);
      gdb_assert (regs_addr != 0);
      store_regs (regs_type, regs_addr);
    }

  discard_cleanups (cleanups_free_objfile);
  do_cleanups (cleanups);

  retval = xmalloc (sizeof (*retval));
  retval->objfile = objfile;
  retval->source_file = xstrdup (source_file);
  retval->func_addr = func_addr;
  retval->regs_addr = regs_addr;
  return retval;
}
コード例 #9
0
ファイル: plot.c プロジェクト: zsx/gnuplot
int
main(int argc, char **argv)
#endif
{
    int i;

#ifdef LINUXVGA
    LINUX_setup();		/* setup VGA before dropping privilege DBT 4/5/99 */
    drop_privilege();
#endif
/* make sure that we really have revoked root access, this might happen if
   gnuplot is compiled without vga support but is installed suid by mistake */
#ifdef __linux__
    setuid(getuid());
#endif

#if defined(MSDOS) && !defined(_Windows) && !defined(__GNUC__)
    PC_setup();
#endif /* MSDOS !Windows */

/* HBB: Seems this isn't needed any more for DJGPP V2? */
/* HBB: disable all floating point exceptions, just keep running... */
#if defined(DJGPP) && (DJGPP!=2)
    _control87(MCW_EM, MCW_EM);
#endif

#if defined(OS2)
    int rc;
#ifdef OS2_IPC
    char semInputReadyName[40];
    sprintf( semInputReadyName, "\\SEM32\\GP%i_Input_Ready", getpid() );
    rc = DosCreateEventSem(semInputReadyName,&semInputReady,0,0);
    if (rc != 0)
      fputs("DosCreateEventSem error\n",stderr);
#endif
    rc = RexxRegisterSubcomExe("GNUPLOT", (PFN) RexxInterface, NULL);
#endif

/* malloc large blocks, otherwise problems with fragmented mem */
#ifdef OSK
    _mallocmin(102400);
#endif

#ifdef MALLOCDEBUG
    malloc_debug(7);
#endif

/* get helpfile from home directory */
#ifndef DOSX286
# ifndef _Windows
#  if defined (__TURBOC__) && (defined (MSDOS) || defined(DOS386))
    strcpy(HelpFile, argv[0]);
    strcpy(strrchr(HelpFile, DIRSEP1), "\\gnuplot.gih");
#  endif			/*   - DJL */
# endif				/* !_Windows */
#endif /* !DOSX286 */
#ifdef __DJGPP__
    {
	char *s;
	strcpy(HelpFile, argv[0]);
	for (s = HelpFile; *s; s++)
	    if (*s == DIRSEP1)
		*s = DIRSEP2;	/* '\\' to '/' */
	strcpy(strrchr(HelpFile, DIRSEP2), "/gnuplot.gih");
    }			/* Add also some "paranoid" tests for '\\':  AP */
#endif /* DJGPP */

#ifdef VMS
    unsigned int status[2] = { 1, 0 };
#endif

#if defined(HAVE_LIBEDITLINE)
    rl_getc_function = getc_wrapper;
#endif
#if defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)
    using_history();
    /* T.Walter 1999-06-24: 'rl_readline_name' must be this fix name.
     * It is used to parse a 'gnuplot' specific section in '~/.inputrc' */
    rl_readline_name = "Gnuplot";
    rl_terminal_name = getenv("TERM");
#endif
#if defined(HAVE_LIBREADLINE)
    rl_complete_with_tilde_expansion = 1;
#endif

    for (i = 1; i < argc; i++) {
	if (!argv[i])
	    continue;

	if (!strcmp(argv[i], "-V") || !strcmp(argv[i], "--version")) {
	    printf("gnuplot %s patchlevel %s\n",
		    gnuplot_version, gnuplot_patchlevel);
	    return 0;

	} else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
	    printf( "Usage: gnuplot [OPTION]... [FILE]\n"
#ifdef X11
		    "for X11 options see 'help X11->command-line-options'\n"
#endif
		    "  -V, --version\n"
		    "  -h, --help\n"
		    "  -p  --persist\n"
		    "  -e  \"command1; command2; ...\"\n"
		    "gnuplot %s patchlevel %s\n"
		    "Report bugs to %s\n",
		    gnuplot_version, gnuplot_patchlevel, bug_email);
	    return 0;

	} else if (!strncmp(argv[i], "-persist", 2) || !strcmp(argv[i], "--persist")) {
	    persist_cl = TRUE;
	}
    }

#ifdef X11
    /* the X11 terminal removes tokens that it recognizes from argv. */
    {
	int n = X11_args(argc, argv);
	argv += n;
	argc -= n;
    }
#endif

#ifdef APOLLO
    apollo_pfm_catch();
#endif

    setbuf(stderr, (char *) NULL);

#ifdef HAVE_SETVBUF
    /* this was once setlinebuf(). Docs say this is
     * identical to setvbuf(,NULL,_IOLBF,0), but MS C
     * faults this (size out of range), so we try with
     * size of 1024 instead. [SAS/C does that, too. -lh]
     * Failing this, I propose we just make the call and
     * ignore the return : its probably not a big deal
     */
    if (setvbuf(stdout, (char *) NULL, _IOLBF, (size_t) 1024) != 0)
	(void) fputs("Could not linebuffer stdout\n", stderr);

#ifdef X11
    /* This call used to be in x11.trm, with the following comment:
     *   Multi-character inputs like escape sequences but also mouse-pasted
     *   text got buffered and therefore didn't trigger the select() function
     *   in X11_waitforinput(). Switching to unbuffered input solved this.
     *   23 Jan 2002 (joze)
     * But switching to unbuffered mode causes all characters in the input
     * buffer to be lost. So the only safe time to do it is on program entry.
     * The #ifdef X11 is probably unnecessary, but makes the change minimal.
     * Do any non-X platforms suffer from the same problem?
     * EAM - Jan 2004.
     */
    setvbuf(stdin, (char *) NULL, _IONBF, 0);
#endif

#endif

    gpoutfile = stdout;

    /* Initialize pre-loaded user variables */
    (void) Gcomplex(&udv_pi.udv_value, M_PI, 0.0);
#ifdef HAVE_ISNAN
    udv_NaN = add_udv_by_name("NaN");
    (void) Gcomplex(&(udv_NaN->udv_value), atof("NaN"), 0.0);
    udv_NaN->udv_undef = FALSE;
#endif

    init_memory();

    interactive = FALSE;
    init_terminal();		/* can set term type if it likes */
    push_terminal(0);		/* remember the default terminal */

    /* reset the terminal when exiting */
    /* this is done through gp_atexit so that other terminal functions
     * can be registered to be executed before the terminal is reset. */
    GP_ATEXIT(term_reset);

#ifdef AMIGA_SC_6_1
    if (IsInteractive(Input()) == DOSTRUE)
	interactive = TRUE;
    else
	interactive = FALSE;
#else
# if ((defined(__MSC__) && defined(_Windows)) || defined(__WIN32__)) && ! defined(WGP_CONSOLE)
    interactive = TRUE;
# else
    interactive = isatty(fileno(stdin));
# endif
#endif /* !AMIGA_SC_6_1 */

    if (argc > 1)
	interactive = noinputfiles = FALSE;
    else
	noinputfiles = TRUE;

    /* Need this before show_version is called for the first time */

#ifdef HAVE_SYS_UTSNAME_H
    {
	struct utsname uts;

	/* something is fundamentally wrong if this fails ... */
	if (uname(&uts) > -1) {
# ifdef _AIX
	    strcpy(os_name, uts.sysname);
	    sprintf(os_name, "%s.%s", uts.version, uts.release);
# elif defined(SCO)
	    strcpy(os_name, "SCO");
	    strcpy(os_rel, uts.release);
# elif defined(DJGPP)
	    if (!strncmp(uts.sysname, "??Un", 4)) /* don't print ??Unknow" */
		strcpy(os_name, "Unknown");
	    else {
		strcpy(os_name, uts.sysname);
		strcpy(os_rel, uts.release);
	    }
# else
	    strcpy(os_name, uts.sysname);
	    strcpy(os_rel, uts.release);
# ifdef OS2
	    if (!strchr(os_rel,'.'))
		/* write either "2.40" or "4.0", or empty -- don't print "OS/2 1" */
		strcpy(os_rel, "");
# endif

# endif
	}
    }
#else /* ! HAVE_SYS_UTSNAME_H */

    strcpy(os_name, OS);
    strcpy(os_rel, "");

#endif /* HAVE_SYS_UTSNAME_H */

    if (interactive)
	show_version(stderr);
    else
	show_version(NULL); /* Only load GPVAL_COMPILE_OPTIONS */

    update_gpval_variables(3);  /* update GPVAL_ variables available to user */

#ifdef VMS
    /* initialise screen management routines for command recall */
    if (status[1] = smg$create_virtual_keyboard(&vms_vkid) != SS$_NORMAL)
	done(status[1]);
    if (status[1] = smg$create_key_table(&vms_ktid) != SS$_NORMAL)
	done(status[1]);
#endif /* VMS */

    if (!SETJMP(command_line_env, 1)) {
	/* first time */
	interrupt_setup();
	/* should move this stuff another initialisation routine,
	 * something like init_set() maybe */
	get_user_env();
	init_loadpath();
	init_locale();
	/* HBB: make sure all variables start in the same mode 'reset'
	 * would set them to. Since the axis variables aren't in
	 * initialized arrays any more, this is now necessary... */
	reset_command();
	init_color();  /*  Initialization of color  */
	load_rcfile();
	init_fit();		/* Initialization of fitting module */

	if (interactive && term != 0) {		/* not unknown */
#ifdef GNUPLOT_HISTORY
	    FPRINTF((stderr, "Before read_history\n"));
#if defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)
	    expanded_history_filename = tilde_expand(GNUPLOT_HISTORY_FILE);
#else
	    expanded_history_filename = gp_strdup(GNUPLOT_HISTORY_FILE);
	    gp_expand_tilde(&expanded_history_filename);
#endif
	    FPRINTF((stderr, "expanded_history_filename = %s\n", expanded_history_filename));
	    read_history(expanded_history_filename);
	    {
		/* BEGIN: Go local to get environment variable */
		const char *temp_env = getenv ("GNUPLOT_HISTORY_SIZE");
		if (temp_env)
		    gnuplot_history_size = strtol (temp_env, (char **) NULL, 10);
	    } /* END: Go local to get environment variable */

	    /*
	     * It is safe to ignore the return values of 'atexit()' and
	     * 'on_exit()'. In the worst case, there is no history of your
	     * currrent session and you have to type all again in your next
	     * session.
	     * This is the default behaviour (traditional reasons), too.
	     * In case you don't have one of these functions, or you don't
	     * want to use them, 'write_history()' is called directly.
	     */
	    GP_ATEXIT(wrapper_for_write_history);
#endif /* GNUPLOT_HISTORY */

	    fprintf(stderr, "\nTerminal type set to '%s'\n", term->name);
	}			/* if (interactive && term != 0) */
    } else {
	/* come back here from int_error() */
	if (interactive == FALSE)
	    exit_status = EXIT_FAILURE;
#ifdef HAVE_LIBREADLINE
	else
	{
	    /* reset properly readline after a SIGINT+longjmp */
	    rl_reset_after_signal ();
	}
#endif

#ifdef AMIGA_SC_6_1
	(void) rawcon(0);
#endif
	load_file_error();	/* if we were in load_file(), cleanup */
	reset_eval_depth();     /* reset evaluate command recursion counter */
	SET_CURSOR_ARROW;

#ifdef VMS
	/* after catching interrupt */
	/* VAX stuffs up stdout on SIGINT while writing to stdout,
	   so reopen stdout. */
	if (gpoutfile == stdout) {
	    if ((stdout = freopen("SYS$OUTPUT", "w", stdout)) == NULL) {
		/* couldn't reopen it so try opening it instead */
		if ((stdout = fopen("SYS$OUTPUT", "w")) == NULL) {
		    /* don't use int_error here - causes infinite loop! */
		    fputs("Error opening SYS$OUTPUT as stdout\n", stderr);
		}
	    }
	    gpoutfile = stdout;
	}
#endif /* VMS */
	if (!interactive && !noinputfiles) {
	    term_reset();
	    exit(EXIT_FAILURE);	/* exit on non-interactive error */
	}
    }

    if (argc > 1) {
#ifdef _Windows
	TBOOLEAN noend = persist_cl;
#endif

	/* load filenames given as arguments */
	while (--argc > 0) {
	    ++argv;
	    c_token = NO_CARET;	/* in case of file not found */
#ifdef _Windows
	    if (stricmp(*argv, "-noend") == 0 || stricmp(*argv, "/noend") == 0
	       	|| stricmp(*argv, "-persist") == 0)
		noend = TRUE;
	    else
#endif
	    if (!strncmp(*argv, "-persist", 2) || !strcmp(*argv, "--persist")) {
		FPRINTF((stderr,"'persist' command line option recognized\n"));

	    } else if (strcmp(*argv, "-") == 0) {
		/* DBT 10-7-98  go interactive if "-" on command line */

		interactive = TRUE;
		/* will this work on all platforms? */

		while (!com_line());

		interactive = FALSE;

	    } else if (strcmp(*argv, "-e") == 0) {
		--argc; ++argv;
		if (argc <= 0) {
		    fprintf(stderr, "syntax:  gnuplot -e \"commands\"\n");
		    return 0;
		}
		do_string(*argv, FALSE);

	    } else
		load_file(loadpath_fopen(*argv, "r"), gp_strdup(*argv), FALSE);
	}
#ifdef _Windows
	if (noend) {
	    interactive = TRUE;
	    while (!com_line());
	}
#endif
    } else {
	/* take commands from stdin */
	while (!com_line());
    }

#if (defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)) && defined(GNUPLOT_HISTORY)
#if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
    /* You should be here if you neither have 'atexit()' nor 'on_exit()' */
    wrapper_for_write_history();
#endif /* !HAVE_ATEXIT && !HAVE_ON_EXIT */
#endif /* (HAVE_LIBREADLINE || HAVE_LIBEDITLINE) && GNUPLOT_HISTORY */

#ifdef OS2
    RexxDeregisterSubcom("GNUPLOT", NULL);
#endif

    /* HBB 20040223: Not all compilers like exit() to end main() */
    /* exit(exit_status); */
    return exit_status;
}
コード例 #10
0
ファイル: filegui.c プロジェクト: ginggs/maemo-mc
char *
file_mask_dialog (file_op_context_t * ctx, FileOperation operation,
                  gboolean only_one,
                  const char *format, const void *text, const char *def_text, gboolean * do_bg)
{
    size_t fmd_xlen;
    vfs_path_t *vpath;
    int source_easy_patterns = easy_patterns;
    char fmd_buf[BUF_MEDIUM];
    char *dest_dir, *tmp;
    char *def_text_secure;

    if (ctx == NULL)
        return NULL;

    /* unselect checkbox if target filesystem don't support attributes */
    ctx->op_preserve = filegui__check_attrs_on_fs (def_text);
    ctx->stable_symlinks = FALSE;
    *do_bg = FALSE;

    /* filter out a possible password from def_text */
    vpath = vfs_path_from_str_flags (def_text, only_one ? VPF_NO_CANON : VPF_NONE);
    tmp = vfs_path_to_str_flags (vpath, 0, VPF_STRIP_PASSWORD);
    vfs_path_free (vpath);

    if (source_easy_patterns)
        def_text_secure = strutils_glob_escape (tmp);
    else
        def_text_secure = strutils_regex_escape (tmp);
    g_free (tmp);

    if (only_one)
    {
        int format_len, text_len;
        int max_len;

        format_len = str_term_width1 (format);
        text_len = str_term_width1 (text);
        max_len = COLS - 2 - 6;

        if (format_len + text_len <= max_len)
        {
            fmd_xlen = format_len + text_len + 6;
            fmd_xlen = max (fmd_xlen, 68);
        }
        else
        {
            text = str_trunc ((const char *) text, max_len - format_len);
            fmd_xlen = max_len + 6;
        }

        g_snprintf (fmd_buf, sizeof (fmd_buf), format, (const char *) text);
    }
    else
    {
        fmd_xlen = COLS * 2 / 3;
        fmd_xlen = max (fmd_xlen, 68);
        g_snprintf (fmd_buf, sizeof (fmd_buf), format, *(const int *) text);
    }

    {
        char *source_mask, *orig_mask;
        int val;
        struct stat buf;

        quick_widget_t quick_widgets[] = {
            /* *INDENT-OFF* */
            QUICK_LABELED_INPUT (fmd_buf, input_label_above,
                                 easy_patterns ? "*" : "^(.*)$", "input-def", &source_mask,
                                 NULL, FALSE, FALSE, INPUT_COMPLETE_FILENAMES),
            QUICK_START_COLUMNS,
                QUICK_SEPARATOR (FALSE),
            QUICK_NEXT_COLUMN,
                QUICK_CHECKBOX (N_("&Using shell patterns"), &source_easy_patterns, NULL),
            QUICK_STOP_COLUMNS,
            QUICK_LABELED_INPUT (N_("to:"), input_label_above,
                                 def_text_secure, "input2", &dest_dir, NULL, FALSE, FALSE, INPUT_COMPLETE_FILENAMES),
            QUICK_SEPARATOR (TRUE),
            QUICK_START_COLUMNS,
                QUICK_CHECKBOX (N_("Follow &links"), &ctx->follow_links, NULL),
                QUICK_CHECKBOX (N_("Preserve &attributes"), &ctx->op_preserve, NULL),
            QUICK_NEXT_COLUMN,
                QUICK_CHECKBOX (N_("Di&ve into subdir if exists"), &ctx->dive_into_subdirs, NULL),
                QUICK_CHECKBOX (N_("&Stable symlinks"), &ctx->stable_symlinks, NULL),
            QUICK_STOP_COLUMNS,
            QUICK_START_BUTTONS (TRUE, TRUE),
                QUICK_BUTTON (N_("&OK"), B_ENTER, NULL, NULL),
#ifdef ENABLE_BACKGROUND
                QUICK_BUTTON (N_("&Background"), B_USER, NULL, NULL),
#endif /* ENABLE_BACKGROUND */
                QUICK_BUTTON (N_("&Cancel"), B_CANCEL, NULL, NULL),
            QUICK_END
            /* *INDENT-ON* */
        };

        quick_dialog_t qdlg = {
            -1, -1, fmd_xlen,
            op_names[operation], "[Mask Copy/Rename]",
            quick_widgets, NULL, NULL
        };

      ask_file_mask:
        val = quick_dialog_skip (&qdlg, 4);

        if (val == B_CANCEL)
        {
            g_free (def_text_secure);
            return NULL;
        }

        if (ctx->follow_links)
            ctx->stat_func = mc_stat;
        else
            ctx->stat_func = mc_lstat;

        if (ctx->op_preserve)
        {
            ctx->preserve = TRUE;
            ctx->umask_kill = 0777777;
            ctx->preserve_uidgid = (geteuid () == 0);
        }
        else
        {
            int i2;

            ctx->preserve = ctx->preserve_uidgid = FALSE;
            i2 = umask (0);
            umask (i2);
            ctx->umask_kill = i2 ^ 0777777;
        }

        if ((dest_dir == NULL) || (*dest_dir == '\0'))
        {
            g_free (def_text_secure);
            g_free (source_mask);
            return dest_dir;
        }

        ctx->search_handle = mc_search_new (source_mask, -1, NULL);

        if (ctx->search_handle == NULL)
        {
            message (D_ERROR, MSG_ERROR, _("Invalid source pattern '%s'"), source_mask);
            g_free (dest_dir);
            g_free (source_mask);
            goto ask_file_mask;
        }

        g_free (def_text_secure);
        g_free (source_mask);

        ctx->search_handle->is_case_sensitive = TRUE;
        if (source_easy_patterns)
            ctx->search_handle->search_type = MC_SEARCH_T_GLOB;
        else
            ctx->search_handle->search_type = MC_SEARCH_T_REGEX;

        tmp = dest_dir;
        dest_dir = tilde_expand (tmp);
        g_free (tmp);
        vpath = vfs_path_from_str (dest_dir);

        ctx->dest_mask = strrchr (dest_dir, PATH_SEP);
        if (ctx->dest_mask == NULL)
            ctx->dest_mask = dest_dir;
        else
            ctx->dest_mask++;
        orig_mask = ctx->dest_mask;
        if (*ctx->dest_mask == '\0'
            || (!ctx->dive_into_subdirs && !is_wildcarded (ctx->dest_mask)
                && (!only_one
                    || (mc_stat (vpath, &buf) == 0 && S_ISDIR (buf.st_mode))))
            || (ctx->dive_into_subdirs
                && ((!only_one && !is_wildcarded (ctx->dest_mask))
                    || (only_one && mc_stat (vpath, &buf) == 0 && S_ISDIR (buf.st_mode)))))
            ctx->dest_mask = g_strdup ("\\0");
        else
        {
            ctx->dest_mask = g_strdup (ctx->dest_mask);
            *orig_mask = '\0';
        }
        if (*dest_dir == '\0')
        {
            g_free (dest_dir);
            dest_dir = g_strdup ("./");
        }
        vfs_path_free (vpath);
        if (val == B_USER)
            *do_bg = TRUE;
    }

    return dest_dir;
}
コード例 #11
0
static void
kgdb_trgt_open(char *filename, int from_tty)
{
	struct cleanup *old_chain;
	struct kthr *kt;
	struct inferior *inf8;
	struct program_space *pspace;
	kvm_t *nkvm;
	char *temp;
	int first_inferior = 1;

	target_preopen (from_tty);
	if (!filename)
		error ("No vmcore file specified.");
	if (!exec_bfd)
		error ("Can't open a vmcore without a kernel");

	filename = tilde_expand (filename);
	if (filename[0] != '/') {
		temp = concat (current_directory, "/", filename, NULL);
		xfree(filename);
		filename = temp;
	}

	old_chain = make_cleanup (xfree, filename);

	nkvm = kvm_openfiles(bfd_get_filename(exec_bfd), filename, NULL,
	    write_files ? O_RDWR : O_RDONLY, kvm_err);
	if (nkvm == NULL)
		error ("Failed to open vmcore: %s", kvm_err);

	/* Don't free the filename now and close any previous vmcore. */
	discard_cleanups(old_chain);
	unpush_target(&kgdb_trgt_ops);

	kvm = nkvm;
	vmcore = filename;
	old_chain = make_cleanup(kgdb_core_cleanup, NULL);

	push_target (&kgdb_trgt_ops);
	discard_cleanups (old_chain);

	kgdb_dmesg();

	init_thread_list();
	kt = kgdb_thr_init();
	while (kt != NULL) {
		if (!in_inferior_list(kt->pid)) {
                     if (first_inferior) {
                       first_inferior = 0;
                       inf8 = current_inferior();
                       inf8->pid = kt->pid;
                       inferior_appeared (inf8, kt->pid);
                       pspace = current_program_space;
                       pspace->ebfd = 0;
                       pspace->ebfd_mtime = 0;
                     } else {                    
                       inf8 = add_inferior(kt->pid);
                       pspace = add_program_space(new_address_space());
                       pspace->symfile_object_file = symfile_objfile;
                       pspace->objfiles = object_files;
                     }
                     inf8->pspace = pspace;
                     inf8->aspace = pspace->aspace;
                }
		add_thread(ptid_build(kt->pid, 0, kt->tid));
		kt = kgdb_thr_next(kt);
	}
	if (curkthr != 0)
		inferior_ptid = ptid_build(curkthr->pid, 0, curkthr->tid);

	frame_unwind_prepend_unwinder(get_frame_arch(get_current_frame()), &kgdb_trgt_trapframe_unwind);

	/* XXX: fetch registers? */
	kld_init();
	reinit_frame_cache();
	select_frame (get_current_frame());
	print_stack_frame(get_selected_frame(NULL),
	  frame_relative_level(get_selected_frame(NULL)), 1);
}
コード例 #12
0
ファイル: plot.c プロジェクト: gnuplot/gnuplot
int
main(int argc_orig, char **argv)
#endif
{
    int i;

    /* We want the current value of argc to persist across a LONGJMP from int_error().
     * Without this the compiler may put it on the stack, which LONGJMP clobbers.
     * Here we try make it a volatile variable that optimization will not affect.
     * Why do we not have to do the same for argv?   I don't know.
     * But the test cases that broke with generic argc seem fine with generic argv.
     */
    static volatile int argc;
    argc = argc_orig;

#ifdef LINUXVGA
    LINUX_setup();		/* setup VGA before dropping privilege DBT 4/5/99 */
    drop_privilege();
#endif
/* make sure that we really have revoked root access, this might happen if
   gnuplot is compiled without vga support but is installed suid by mistake */
#ifdef __linux__
    if (setuid(getuid()) != 0) {
	fprintf(stderr,"gnuplot: refusing to run at elevated privilege\n");
	exit(EXIT_FAILURE);
    }
#endif

/* HBB: Seems this isn't needed any more for DJGPP V2? */
/* HBB: disable all floating point exceptions, just keep running... */
#if defined(DJGPP) && (DJGPP!=2)
    _control87(MCW_EM, MCW_EM);
#endif

#if defined(OS2)
    {
	int rc;
#ifdef OS2_IPC
	char semInputReadyName[40];

	sprintf(semInputReadyName, "\\SEM32\\GP%i_Input_Ready", getpid());
	rc = DosCreateEventSem(semInputReadyName, &semInputReady, 0, 0);
	if (rc != 0)
	    fputs("DosCreateEventSem error\n", stderr);
#endif
	rc = RexxRegisterSubcomExe("GNUPLOT", (PFN) RexxInterface, NULL);
    }
#endif

/* malloc large blocks, otherwise problems with fragmented mem */
#ifdef MALLOCDEBUG
    malloc_debug(7);
#endif


/* init progpath and get helpfile from executable directory */
#if defined(MSDOS) || defined(OS2)
    {
	char *s;

#ifdef __EMX__
	_execname(progpath, sizeof(progpath));
#else
	safe_strncpy(progpath, argv[0], sizeof(progpath));
#endif
	/* convert '/' to '\\' */
	for (s = progpath; *s != NUL; s++)
	    if (*s == DIRSEP2)
		*s = DIRSEP1;
	/* cut program name */
	s = strrchr(progpath, DIRSEP1);
	if (s != NULL)
	    s++;
	else
	    s = progpath;
	*s = NUL;
	/* init HelpFile */
	strcpy(HelpFile, progpath);
	strcat(HelpFile, "gnuplot.gih");
	/* remove trailing "bin/" from progpath */
	if ((s != NULL) && (s - progpath >= 4)) {
	    s -= 4;
	    if (strncasecmp(s, "bin", 3) == 0)
		*s = NUL;
	}
    }
#endif /* DJGPP */

#if (defined(PIPE_IPC) || defined(_WIN32)) && (defined(HAVE_LIBREADLINE) || (defined(HAVE_LIBEDITLINE) && defined(X11)))
    /* Editline needs this to be set before the very first call to readline(). */
    /* Support for rl_getc_function is broken for utf-8 in editline. Since it is only
       really required for X11, disable this section when building without X11. */
    rl_getc_function = getc_wrapper;
#endif

#if defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)
    /* T.Walter 1999-06-24: 'rl_readline_name' must be this fix name.
     * It is used to parse a 'gnuplot' specific section in '~/.inputrc'
     * or gnuplot specific commands in '.editrc' (when using editline
     * instead of readline) */
    rl_readline_name = "Gnuplot";
    rl_terminal_name = getenv("TERM");
#if defined(HAVE_LIBREADLINE)
    using_history();
#else
    history_init();
#endif
#endif
#if defined(HAVE_LIBREADLINE) && !defined(MISSING_RL_TILDE_EXPANSION)
    rl_complete_with_tilde_expansion = 1;
#endif

    for (i = 1; i < argc; i++) {
	if (!argv[i])
	    continue;

	if (!strcmp(argv[i], "-V") || !strcmp(argv[i], "--version")) {
	    printf("gnuplot %s patchlevel %s\n",
		    gnuplot_version, gnuplot_patchlevel);
	    return 0;

	} else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
	    printf( "Usage: gnuplot [OPTION] ... [FILE]\n"
#ifdef X11
		    "for X11 options see 'help X11->command-line-options'\n"
#endif
		    "  -V, --version\n"
		    "  -h, --help\n"
		    "  -p  --persist\n"
		    "  -s  --slow\n"
		    "  -d  --default-settings\n"
		    "  -c  scriptfile ARG1 ARG2 ... \n"
		    "  -e  \"command1; command2; ...\"\n"
		    "gnuplot %s patchlevel %s\n",
		    gnuplot_version, gnuplot_patchlevel);
#ifdef DEVELOPMENT_VERSION
	    printf(
#ifdef DIST_CONTACT
		    "Report bugs to "DIST_CONTACT"\n"
		    "            or %s\n",
#else
		    "Report bugs to %s\n",
#endif
		    bug_email);
#endif
	    return 0;

	} else if (!strncmp(argv[i], "-persist", 2) || !strcmp(argv[i], "--persist")
#ifdef _WIN32
		|| !stricmp(argv[i], "-noend") || !stricmp(argv[i], "/noend")
#endif
		) {
	    persist_cl = TRUE;
	} else if (!strncmp(argv[i], "-slow", 2) || !strcmp(argv[i], "--slow")) {
	    slow_font_startup = TRUE;
	} else if (!strncmp(argv[i], "-d", 2) || !strcmp(argv[i], "--default-settings")) {
	    /* Skip local customization read from ~/.gnuplot */
	    skip_gnuplotrc = TRUE;
	}
    }

#ifdef X11
    /* the X11 terminal removes tokens that it recognizes from argv. */
    {
	int n = X11_args(argc, argv);
	argv += n;
	argc -= n;
    }
#endif

    setbuf(stderr, (char *) NULL);

#ifdef HAVE_SETVBUF
    /* This was once setlinebuf(). Docs say this is
     * identical to setvbuf(,NULL,_IOLBF,0), but MS C
     * faults this (size out of range), so we try with
     * size of 1024 instead. [SAS/C does that, too. -lh]
     */
    if (setvbuf(stdout, (char *) NULL, _IOLBF, (size_t) 1024) != 0)
	(void) fputs("Could not linebuffer stdout\n", stderr);

    /* Switching to unbuffered mode causes all characters in the input
     * buffer to be lost. So the only safe time to do it is on program entry.
     * Do any non-X platforms suffer from this problem?
     * EAM - Jan 2013 YES.
     */
    setvbuf(stdin, (char *) NULL, _IONBF, 0);
#endif

    gpoutfile = stdout;

    /* Initialize pre-loaded user variables */
    /* "pi" is hard-wired as the first variable */
    (void) add_udv_by_name("GNUTERM");
    (void) add_udv_by_name("NaN");
    init_constants();
    udv_user_head = &(udv_NaN->next_udv);

    init_memory();

    interactive = FALSE;

    /* April 2017:  We used to call init_terminal() here, but now   */
    /* We defer initialization until error handling has been set up. */

# if defined(_WIN32) && !defined(WGP_CONSOLE)
    interactive = TRUE;
# else
    interactive = isatty(fileno(stdin));
# endif

    /* Note: we want to know whether this is an interactive session so that we can
     * decide whether or not to write status information to stderr.  The old test
     * for this was to see if (argc > 1) but the addition of optional command line
     * switches broke this.  What we really wanted to know was whether any of the
     * command line arguments are file names or an explicit in-line "-e command".
     */
    for (i = 1; i < argc; i++) {
# ifdef _WIN32
	if (!stricmp(argv[i], "/noend"))
	    continue;
# endif
	if ((argv[i][0] != '-') || (argv[i][1] == 'e') || (argv[i][1] == 'c') ) {
	    interactive = FALSE;
	    break;
	}
    }

    /* Need this before show_version is called for the first time */

    if (interactive)
	show_version(stderr);
    else
	show_version(NULL); /* Only load GPVAL_COMPILE_OPTIONS */

    update_gpval_variables(3);  /* update GPVAL_ variables available to user */

#ifdef VMS
    /* initialise screen management routines for command recall */
    {
    unsigned int ierror;
    if (ierror = smg$create_virtual_keyboard(&vms_vkid) != SS$_NORMAL)
	done(ierror);
    if (ierror = smg$create_key_table(&vms_ktid) != SS$_NORMAL)
	done(ierror);
    }
#endif /* VMS */

    if (!SETJMP(command_line_env, 1)) {
	/* first time */
	interrupt_setup();
	get_user_env();
	init_loadpath();
	init_locale();

	memset(&sm_palette, 0, sizeof(sm_palette));
	init_fit();		/* Initialization of fitting module */
#ifdef READLINE
	/* When using the built-in readline, we set the initial
	   encoding according to the locale as this is required
	   to properly handle keyboard input. */
	init_encoding();
#endif
	init_gadgets();

	/* April 2017: Now that error handling is in place, it is safe parse
	 * GNUTERM during terminal initialization.
	 * atexit processing is done in reverse order. We want
	 * the generic terminal shutdown in term_reset to be executed before
	 * any terminal specific cleanup requested by individual terminals.
	 */
	init_terminal();
	push_terminal(0);	/* remember the initial terminal */
	gp_atexit(term_reset);

	/* Execute commands in ~/.gnuplot */
	init_session();

	if (interactive && term != 0) {		/* not unknown */
#ifdef GNUPLOT_HISTORY
#if (defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)) && !defined(_WIN32)
	    expanded_history_filename = tilde_expand(GNUPLOT_HISTORY_FILE);
#else
	    expanded_history_filename = gp_strdup(GNUPLOT_HISTORY_FILE);
	    gp_expand_tilde(&expanded_history_filename);
#endif
	    read_history(expanded_history_filename);

	    /*
	     * It is safe to ignore the return values of 'atexit()' and
	     * 'on_exit()'. In the worst case, there is no history of your
	     * currrent session and you have to type all again in your next
	     * session.
	     */
	    gp_atexit(wrapper_for_write_history);
#endif /* GNUPLOT_HISTORY */

#if defined(READLINE) && defined(WGP_CONSOLE)
	    fprintf(stderr, "Encoding set to '%s'.\n", encoding_names[encoding]);
#endif
	}			/* if (interactive && term != 0) */
    } else {
	/* come back here from int_error() */
	if (!successful_initialization) {
	    /* Only print the warning once */
	    successful_initialization = TRUE;
	    fprintf(stderr,"WARNING: Error during initialization\n\n");
	}
	if (interactive == FALSE)
	    exit_status = EXIT_FAILURE;
#ifdef HAVE_READLINE_RESET
	else {
	    /* reset properly readline after a SIGINT+longjmp */
	    rl_reset_after_signal ();
	}
#endif

	load_file_error();	/* if we were in load_file(), cleanup */
	SET_CURSOR_ARROW;

#ifdef VMS
	/* after catching interrupt */
	/* VAX stuffs up stdout on SIGINT while writing to stdout,
	   so reopen stdout. */
	if (gpoutfile == stdout) {
	    if ((stdout = freopen("SYS$OUTPUT", "w", stdout)) == NULL) {
		/* couldn't reopen it so try opening it instead */
		if ((stdout = fopen("SYS$OUTPUT", "w")) == NULL) {
		    /* don't use int_error here - causes infinite loop! */
		    fputs("Error opening SYS$OUTPUT as stdout\n", stderr);
		}
	    }
	    gpoutfile = stdout;
	}
#endif /* VMS */

	/* Why a goto?  Because we exited the loop below via int_error */
	/* using LONGJMP.  The compiler was not expecting this, and    */
	/* "optimized" the handling of argc and argv such that simply  */
	/* entering the loop again from the top finds them messed up.  */
	/* If we reenter the loop via a goto then there is some hope   */
	/* that code reordering does not hurt us.                      */
	if (reading_from_dash && interactive)
	    goto RECOVER_FROM_ERROR_IN_DASH;
	reading_from_dash = FALSE;

	if (!interactive && !noinputfiles) {
	    term_reset();
	    gp_exit(EXIT_FAILURE);	/* exit on non-interactive error */
	}
    }

    /* load filenames given as arguments */
    while (--argc > 0) {
	    ++argv;
	    c_token = 0;
	    if (!strncmp(*argv, "-persist", 2) || !strcmp(*argv, "--persist")
#ifdef _WIN32
		|| !stricmp(*argv, "-noend") || !stricmp(*argv, "/noend")
#endif
	    ) {
		FPRINTF((stderr,"'persist' command line option recognized\n"));
	    } else if (strcmp(*argv, "-") == 0) {
#if defined(_WIN32) && !defined(WGP_CONSOLE)
		TextShow(&textwin);
		interactive = TRUE;
#else
		interactive = isatty(fileno(stdin));
#endif

RECOVER_FROM_ERROR_IN_DASH:
		reading_from_dash = TRUE;
		while (!com_line());
		reading_from_dash = FALSE;
		interactive = FALSE;
		noinputfiles = FALSE;

	    } else if (strcmp(*argv, "-e") == 0) {
		int save_state = interactive;
		--argc; ++argv;
		if (argc <= 0) {
		    fprintf(stderr, "syntax:  gnuplot -e \"commands\"\n");
		    return 0;
		}
		interactive = FALSE;
		noinputfiles = FALSE;
		do_string(*argv);
		interactive = save_state;

	    } else if (!strncmp(*argv, "-slow", 2) || !strcmp(*argv, "--slow")) {
		slow_font_startup = TRUE;

	    } else if (!strncmp(*argv, "-d", 2) || !strcmp(*argv, "--default-settings")) {
		/* Ignore this; it already had its effect */
		FPRINTF((stderr, "ignoring -d\n"));

	    } else if (strcmp(*argv, "-c") == 0) {
		/* Pass command line arguments to the gnuplot script in the next
		 * argument. This consumes the remainder of the command line
		 */
		interactive = FALSE;
		noinputfiles = FALSE;
		--argc; ++argv;
		if (argc <= 0) {
		    fprintf(stderr, "syntax:  gnuplot -c scriptname args\n");
		    gp_exit(EXIT_FAILURE);
		}
		call_argc = GPMIN(9, argc - 1);
		for (i=0; i<=call_argc; i++) {
		    /* Need to stash argv[i] somewhere visible to load_file() */
		    call_args[i] = gp_strdup(argv[i+1]);
		}

		load_file(loadpath_fopen(*argv, "r"), gp_strdup(*argv), 5);
		gp_exit(EXIT_SUCCESS);

	    } else if (*argv[0] == '-') {
		fprintf(stderr, "unrecognized option %s\n", *argv);
	    } else {
		interactive = FALSE;
		noinputfiles = FALSE;
		load_file(loadpath_fopen(*argv, "r"), gp_strdup(*argv), 4);
	    }
    }

    /* take commands from stdin */
    if (noinputfiles) {
	while (!com_line())
	    ctrlc_flag = FALSE; /* reset asynchronous Ctrl-C flag */
    }

#ifdef _WIN32
    /* On Windows, handle 'persist' by keeping the main input loop running (windows/wxt), */
    /* but only if there are any windows open. Note that qt handles this properly. */
    if (persist_cl) {
	if (WinAnyWindowOpen()) {
#ifdef WGP_CONSOLE
	    if (!interactive) {
		/* no further input from pipe */
		while (WinAnyWindowOpen())
		win_sleep(100);
	    } else
#endif
	    {
		interactive = TRUE;
		while (!com_line())
		    ctrlc_flag = FALSE; /* reset asynchronous Ctrl-C flag */
		interactive = FALSE;
	    }
	}
    }
#endif

#if (defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)) && defined(GNUPLOT_HISTORY)
#if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
    /* You should be here if you neither have 'atexit()' nor 'on_exit()' */
    wrapper_for_write_history();
#endif /* !HAVE_ATEXIT && !HAVE_ON_EXIT */
#endif /* (HAVE_LIBREADLINE || HAVE_LIBEDITLINE) && GNUPLOT_HISTORY */

#ifdef OS2
    RexxDeregisterSubcom("GNUPLOT", NULL);
#endif

    /* HBB 20040223: Not all compilers like exit() to end main() */
    /* exit(exit_status); */
#if ! defined(_WIN32)
    /* Windows does the cleanup later */
    gp_exit_cleanup();
#endif
    return exit_status;
}
コード例 #13
0
ファイル: plot.c プロジェクト: TheApacheCats/gnuplot
int
main(int argc, char **argv)
#endif
{
    int i;

#ifdef LINUXVGA
    LINUX_setup();		/* setup VGA before dropping privilege DBT 4/5/99 */
    drop_privilege();
#endif
/* make sure that we really have revoked root access, this might happen if
   gnuplot is compiled without vga support but is installed suid by mistake */
#ifdef __linux__
    setuid(getuid());
#endif

#if defined(MSDOS) && !defined(_Windows) && !defined(__GNUC__)
    PC_setup();
#endif /* MSDOS !Windows */

/* HBB: Seems this isn't needed any more for DJGPP V2? */
/* HBB: disable all floating point exceptions, just keep running... */
#if defined(DJGPP) && (DJGPP!=2)
    _control87(MCW_EM, MCW_EM);
#endif

#if defined(OS2)
    int rc;
#ifdef OS2_IPC
    char semInputReadyName[40];
    sprintf( semInputReadyName, "\\SEM32\\GP%i_Input_Ready", getpid() );
    rc = DosCreateEventSem(semInputReadyName,&semInputReady,0,0);
    if (rc != 0)
      fputs("DosCreateEventSem error\n",stderr);
#endif
    rc = RexxRegisterSubcomExe("GNUPLOT", (PFN) RexxInterface, NULL);
#endif

/* malloc large blocks, otherwise problems with fragmented mem */
#ifdef MALLOCDEBUG
    malloc_debug(7);
#endif

/* get helpfile from home directory */
#ifdef __DJGPP__
    {
	char *s;
	strcpy(HelpFile, argv[0]);
	for (s = HelpFile; *s; s++)
	    if (*s == DIRSEP1)
		*s = DIRSEP2;	/* '\\' to '/' */
	strcpy(strrchr(HelpFile, DIRSEP2), "/gnuplot.gih");
    }			/* Add also some "paranoid" tests for '\\':  AP */
#endif /* DJGPP */

#ifdef VMS
    unsigned int status[2] = { 1, 0 };
#endif

#if defined(HAVE_LIBEDITLINE)
    rl_getc_function = getc_wrapper;
#endif

#if defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)
    /* T.Walter 1999-06-24: 'rl_readline_name' must be this fix name.
     * It is used to parse a 'gnuplot' specific section in '~/.inputrc'
     * or gnuplot specific commands in '.editrc' (when using editline
     * instead of readline) */
    rl_readline_name = "Gnuplot";
    rl_terminal_name = getenv("TERM");
#if defined(HAVE_LIBREADLINE)
    using_history();
#else
    history_init();
#endif
#endif
#if defined(HAVE_LIBREADLINE) && !defined(MISSING_RL_TILDE_EXPANSION)
    rl_complete_with_tilde_expansion = 1;
#endif

    for (i = 1; i < argc; i++) {
	if (!argv[i])
	    continue;

	if (!strcmp(argv[i], "-V") || !strcmp(argv[i], "--version")) {
	    printf("gnuplot %s patchlevel %s\n",
		    gnuplot_version, gnuplot_patchlevel);
	    return 0;

	} else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
	    printf( "Usage: gnuplot [OPTION]... [FILE]\n"
#ifdef X11
		    "for X11 options see 'help X11->command-line-options'\n"
#endif
		    "  -V, --version\n"
		    "  -h, --help\n"
		    "  -p  --persist\n"
		    "  -d  --default-settings\n"
		    "  -e  \"command1; command2; ...\"\n"
		    "gnuplot %s patchlevel %s\n",
		    gnuplot_version, gnuplot_patchlevel);
#ifdef DEVELOPMENT_VERSION
	    printf(
#ifdef DIST_CONTACT
		    "Report bugs to "DIST_CONTACT"\n"
		    "            or %s\n",
#else
		    "Report bugs to %s\n",
#endif
		    bug_email);
#endif
	    return 0;

	} else if (!strncmp(argv[i], "-persist", 2) || !strcmp(argv[i], "--persist")
#ifdef _Windows
		|| !stricmp(argv[i], "-noend") || !stricmp(argv[i], "/noend")
#endif
		) {
	    persist_cl = TRUE;
	} else if (!strncmp(argv[i], "-d", 2) || !strcmp(argv[i], "--default-settings")) {
	    /* Skip local customization read from ~/.gnuplot */
	    skip_gnuplotrc = TRUE;
	}
    }

#ifdef X11
    /* the X11 terminal removes tokens that it recognizes from argv. */
    {
	int n = X11_args(argc, argv);
	argv += n;
	argc -= n;
    }
#endif

    setbuf(stderr, (char *) NULL);

#ifdef HAVE_SETVBUF
    /* This was once setlinebuf(). Docs say this is
     * identical to setvbuf(,NULL,_IOLBF,0), but MS C
     * faults this (size out of range), so we try with
     * size of 1024 instead. [SAS/C does that, too. -lh]
     */
    if (setvbuf(stdout, (char *) NULL, _IOLBF, (size_t) 1024) != 0)
	(void) fputs("Could not linebuffer stdout\n", stderr);

    /* Switching to unbuffered mode causes all characters in the input
     * buffer to be lost. So the only safe time to do it is on program entry.
     * Do any non-X platforms suffer from this problem?
     * EAM - Jan 2013 YES.
     */
    setvbuf(stdin, (char *) NULL, _IONBF, 0);

#endif

    gpoutfile = stdout;

    /* Initialize pre-loaded user variables */
    (void) Gcomplex(&udv_pi.udv_value, M_PI, 0.0);
    udv_NaN = add_udv_by_name("NaN");
    (void) Gcomplex(&(udv_NaN->udv_value), not_a_number(), 0.0);
    udv_NaN->udv_undef = FALSE;

    init_memory();

    interactive = FALSE;
    init_terminal();		/* can set term type if it likes */
    push_terminal(0);		/* remember the default terminal */

    /* reset the terminal when exiting */
    /* this is done through gp_atexit so that other terminal functions
     * can be registered to be executed before the terminal is reset. */
    GP_ATEXIT(term_reset);

# if defined(_Windows) && ! defined(WGP_CONSOLE)
    interactive = TRUE;
# else
    interactive = isatty(fileno(stdin));
# endif

    /* Note: we want to know whether this is an interactive session so that we can
     * decide whether or not to write status information to stderr.  The old test
     * for this was to see if (argc > 1) but the addition of optional command line
     * switches broke this.  What we really wanted to know was whether any of the
     * command line arguments are file names or an explicit in-line "-e command".
     */
    for (i = 1; i < argc; i++) {
# ifdef _Windows
	if (!stricmp(argv[i], "/noend"))
	    continue;
# endif
	if ((argv[i][0] != '-') || (argv[i][1] == 'e')) {
	    interactive = FALSE;
	    break;
	}
    }

    /* Need this before show_version is called for the first time */

#ifdef HAVE_SYS_UTSNAME_H
    {
	struct utsname uts;

	/* something is fundamentally wrong if this fails ... */
	if (uname(&uts) > -1) {
# ifdef _AIX
	    strcpy(os_name, uts.sysname);
	    sprintf(os_name, "%s.%s", uts.version, uts.release);
# elif defined(SCO)
	    strcpy(os_name, "SCO");
	    strcpy(os_rel, uts.release);
# elif defined(DJGPP)
	    if (!strncmp(uts.sysname, "??Un", 4)) /* don't print ??Unknow" */
		strcpy(os_name, "Unknown");
	    else {
		strcpy(os_name, uts.sysname);
		strcpy(os_rel, uts.release);
	    }
# else
	    strcpy(os_name, uts.sysname);
	    strcpy(os_rel, uts.machine);
# ifdef OS2
	    if (!strchr(os_rel,'.'))
		/* write either "2.40" or "4.0", or empty -- don't print "OS/2 1" */
		strcpy(os_rel, "");
# endif

# endif
	}
    }
#else /* ! HAVE_SYS_UTSNAME_H */

    strcpy(os_name, OS);
    strcpy(os_rel, "");

#endif /* HAVE_SYS_UTSNAME_H */

    if (interactive)
	show_version(stderr);
    else
	show_version(NULL); /* Only load GPVAL_COMPILE_OPTIONS */

#ifdef WGP_CONSOLE
#ifdef CONSOLE_SWITCH_CP
    if (cp_changed && interactive) {
	fprintf(stderr,
	    "\ngnuplot changed the codepage of this console from %i to %i to\n" \
	    "match the graph window. Some characters might only display correctly\n" \
	    "if you change the font to a non-raster type.\n",
	    cp_input, GetConsoleCP());
    }
#else
    if ((GetConsoleCP() != GetACP()) && interactive) {
	fprintf(stderr,
	    "\nWarning: The codepage of the graph window (%i) and that of the\n" \
	    "console (%i) differ. Use `set encoding` or `!chcp` if extended\n" \
	    "characters don't display correctly.\n",
	    GetACP(), GetConsoleCP());
    }
#endif
#endif

    update_gpval_variables(3);  /* update GPVAL_ variables available to user */

#ifdef VMS
    /* initialise screen management routines for command recall */
    if (status[1] = smg$create_virtual_keyboard(&vms_vkid) != SS$_NORMAL)
	done(status[1]);
    if (status[1] = smg$create_key_table(&vms_ktid) != SS$_NORMAL)
	done(status[1]);
#endif /* VMS */

    if (!SETJMP(command_line_env, 1)) {
	/* first time */
	interrupt_setup();
	/* should move this stuff another initialisation routine,
	 * something like init_set() maybe */
	get_user_env();
	init_loadpath();
	init_locale();
	/* HBB: make sure all variables start in the same mode 'reset'
	 * would set them to. Since the axis variables aren't in
	 * initialized arrays any more, this is now necessary... */
	reset_command();
	init_color();		/* Initialization of color  */
	load_rcfile(0);		/* System-wide gnuplotrc if configured */
	load_rcfile(1);		/* ./.gnuplot if configured */
	init_fit();		/* Initialization of fitting module */

	/* After this point we allow pipes and system commands */
	successful_initialization = TRUE;

	load_rcfile(2);		/* ~/.gnuplot */

	if (interactive && term != 0) {		/* not unknown */
#ifdef GNUPLOT_HISTORY
	    FPRINTF((stderr, "Before read_history\n"));
#if defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)
	    expanded_history_filename = tilde_expand(GNUPLOT_HISTORY_FILE);
#else
	    expanded_history_filename = gp_strdup(GNUPLOT_HISTORY_FILE);
	    gp_expand_tilde(&expanded_history_filename);
#endif
	    FPRINTF((stderr, "expanded_history_filename = %s\n", expanded_history_filename));
	    read_history(expanded_history_filename);
	    {
		/* BEGIN: Go local to get environment variable */
		const char *temp_env = getenv ("GNUPLOT_HISTORY_SIZE");
		if (temp_env)
		    gnuplot_history_size = strtol (temp_env, (char **) NULL, 10);
	    } /* END: Go local to get environment variable */

	    /*
	     * It is safe to ignore the return values of 'atexit()' and
	     * 'on_exit()'. In the worst case, there is no history of your
	     * currrent session and you have to type all again in your next
	     * session.
	     * This is the default behaviour (traditional reasons), too.
	     * In case you don't have one of these functions, or you don't
	     * want to use them, 'write_history()' is called directly.
	     */
	    GP_ATEXIT(wrapper_for_write_history);
#endif /* GNUPLOT_HISTORY */

	    fprintf(stderr, "\nTerminal type set to '%s'\n", term->name);
	}			/* if (interactive && term != 0) */
    } else {
	/* come back here from int_error() */
	if (!successful_initialization) {
	    /* Only print the warning once */
	    successful_initialization = TRUE;
	    fprintf(stderr,"WARNING: Error during initialization\n\n");
	}
	if (interactive == FALSE)
	    exit_status = EXIT_FAILURE;
#ifdef HAVE_READLINE_RESET
	else
	{
	    /* reset properly readline after a SIGINT+longjmp */
	    rl_reset_after_signal ();
	}
#endif

	load_file_error();	/* if we were in load_file(), cleanup */
	SET_CURSOR_ARROW;

#ifdef VMS
	/* after catching interrupt */
	/* VAX stuffs up stdout on SIGINT while writing to stdout,
	   so reopen stdout. */
	if (gpoutfile == stdout) {
	    if ((stdout = freopen("SYS$OUTPUT", "w", stdout)) == NULL) {
		/* couldn't reopen it so try opening it instead */
		if ((stdout = fopen("SYS$OUTPUT", "w")) == NULL) {
		    /* don't use int_error here - causes infinite loop! */
		    fputs("Error opening SYS$OUTPUT as stdout\n", stderr);
		}
	    }
	    gpoutfile = stdout;
	}
#endif /* VMS */
	if (!interactive && !noinputfiles) {
	    term_reset();
	    exit(EXIT_FAILURE);	/* exit on non-interactive error */
	}
    }

    /* load filenames given as arguments */
    while (--argc > 0) {
	    ++argv;
	    c_token = 0;
	    if (!strncmp(*argv, "-persist", 2) || !strcmp(*argv, "--persist")
#ifdef _Windows
		|| !stricmp(*argv, "-noend") || !stricmp(*argv, "/noend")
#endif
	    ) {
		FPRINTF((stderr,"'persist' command line option recognized\n"));
	    } else if (strcmp(*argv, "-") == 0) {
#if defined(_Windows) && !defined(WGP_CONSOLE)
		TextShow(&textwin);
#endif
		interactive = TRUE;
		while (!com_line());
		interactive = FALSE;

	    } else if (strcmp(*argv, "-e") == 0) {
		--argc; ++argv;
		if (argc <= 0) {
		    fprintf(stderr, "syntax:  gnuplot -e \"commands\"\n");
		    return 0;
		}
		interactive = FALSE;
		noinputfiles = FALSE;
		do_string(*argv);

	    } else if (!strncmp(*argv, "-d", 2) || !strcmp(*argv, "--default-settings")) {
		/* Ignore this; it already had its effect */
		FPRINTF((stderr, "ignoring -d\n"));
	    } else if (*argv[0] == '-') {
		fprintf(stderr, "unrecognized option %s\n", *argv);
	    } else {
		interactive = FALSE;
		noinputfiles = FALSE;
		load_file(loadpath_fopen(*argv, "r"), gp_strdup(*argv), FALSE);
	    }
    }

#ifdef _Windows
    /* On Windows 'persist' is handled by keeping the main input loop running. */
    if (persist_cl) {
	interactive = TRUE;
	while (!com_line());
	interactive = FALSE;
    } else
#endif
    {
	/* take commands from stdin */
	if (noinputfiles)
	    while (!com_line());
    }

#if (defined(HAVE_LIBREADLINE) || defined(HAVE_LIBEDITLINE)) && defined(GNUPLOT_HISTORY)
#if !defined(HAVE_ATEXIT) && !defined(HAVE_ON_EXIT)
    /* You should be here if you neither have 'atexit()' nor 'on_exit()' */
    wrapper_for_write_history();
#endif /* !HAVE_ATEXIT && !HAVE_ON_EXIT */
#endif /* (HAVE_LIBREADLINE || HAVE_LIBEDITLINE) && GNUPLOT_HISTORY */

#ifdef OS2
    RexxDeregisterSubcom("GNUPLOT", NULL);
#endif

    /* HBB 20040223: Not all compilers like exit() to end main() */
    /* exit(exit_status); */
    return exit_status;
}
コード例 #14
0
ファイル: filegui.c プロジェクト: TomyLobo/mc
char *
file_mask_dialog (FileOpContext * ctx, FileOperation operation,
                  gboolean only_one,
                  const char *format, const void *text, const char *def_text, gboolean * do_bg)
{
    const size_t FMDY = 13;
    const size_t FMDX = 68;
    size_t fmd_xlen;

    /* buttons */
    const size_t gap = 1;
    size_t b0_len, b2_len;
    size_t b1_len = 0;

    int source_easy_patterns = easy_patterns;
    size_t i, len;
    char fmd_buf[BUF_MEDIUM];
    char *source_mask, *orig_mask, *dest_dir, *tmp;
    char *def_text_secure;
    int val;

    QuickWidget fmd_widgets[] = {
        /* 0 */ QUICK_BUTTON (42, 64, 10, FMDY, N_("&Cancel"), B_CANCEL, NULL),
#ifdef ENABLE_BACKGROUND
        /* 1 */ QUICK_BUTTON (25, 64, 10, FMDY, N_("&Background"), B_USER, NULL),
#define OFFSET 0
#else
#define OFFSET 1
#endif /* ENABLE_BACKGROUND */
        /*  2 - OFFSET */
        QUICK_BUTTON (14, FMDX, 10, FMDY, N_("&OK"), B_ENTER, NULL),
        /*  3 - OFFSET */
        QUICK_CHECKBOX (42, FMDX, 8, FMDY, N_("&Stable Symlinks"), &ctx->stable_symlinks),
        /*  4 - OFFSET */
        QUICK_CHECKBOX (31, FMDX, 7, FMDY, N_("Di&ve into subdir if exists"),
                        &ctx->dive_into_subdirs),
        /*  5 - OFFSET */
        QUICK_CHECKBOX (3, FMDX, 8, FMDY, N_("Preserve &attributes"), &ctx->op_preserve),
        /*  6 - OFFSET */
        QUICK_CHECKBOX (3, FMDX, 7, FMDY, N_("Follow &links"), &ctx->follow_links),
        /*  7 - OFFSET */
        QUICK_INPUT (3, FMDX, 6, FMDY, "", 58, 0, "input2", &dest_dir),
        /*  8 - OFFSET */
        QUICK_LABEL (3, FMDX, 5, FMDY, N_("to:")),
        /*  9 - OFFSET */
        QUICK_CHECKBOX (37, FMDX, 4, FMDY, N_("&Using shell patterns"), &source_easy_patterns),
        /* 10 - OFFSET */
        QUICK_INPUT (3, FMDX, 3, FMDY, easy_patterns ? "*" : "^(.*)$", 58, 0, "input-def",
                     &source_mask),
        /* 11 - OFFSET */
        QUICK_LABEL (3, FMDX, 2, FMDY, fmd_buf),
        QUICK_END
    };

    g_return_val_if_fail (ctx != NULL, NULL);

#ifdef ENABLE_NLS
    /* buttons */
    for (i = 0; i <= 2 - OFFSET; i++)
        fmd_widgets[i].u.button.text = _(fmd_widgets[i].u.button.text);

    /* checkboxes */
    for (i = 3 - OFFSET; i <= 9 - OFFSET; i++)
        if (i != 7 - OFFSET)
            fmd_widgets[i].u.checkbox.text = _(fmd_widgets[i].u.checkbox.text);
#endif /* !ENABLE_NLS */

    fmd_xlen = max (FMDX, (size_t) COLS * 2 / 3);

    len = str_term_width1 (fmd_widgets[6 - OFFSET].u.checkbox.text)
        + str_term_width1 (fmd_widgets[4 - OFFSET].u.checkbox.text) + 15;
    fmd_xlen = max (fmd_xlen, len);

    len = str_term_width1 (fmd_widgets[5 - OFFSET].u.checkbox.text)
        + str_term_width1 (fmd_widgets[3 - OFFSET].u.checkbox.text) + 15;
    fmd_xlen = max (fmd_xlen, len);

    /* buttons */
    b2_len = str_term_width1 (fmd_widgets[2 - OFFSET].u.button.text) + 6 + gap; /* OK */
#ifdef ENABLE_BACKGROUND
    b1_len = str_term_width1 (fmd_widgets[1].u.button.text) + 4 + gap;  /* Background */
#endif
    b0_len = str_term_width1 (fmd_widgets[0].u.button.text) + 4;        /* Cancel */
    len = b0_len + b1_len + b2_len;
    fmd_xlen = min (max (fmd_xlen, len + 6), (size_t) COLS);

    if (only_one)
    {
        int flen;

        flen = str_term_width1 (format);
        i = fmd_xlen - flen - 4;        /* FIXME */
        g_snprintf (fmd_buf, sizeof (fmd_buf), format, str_trunc ((const char *) text, i));
    }
    else
    {
        g_snprintf (fmd_buf, sizeof (fmd_buf), format, *(const int *) text);
        fmd_xlen = max (fmd_xlen, (size_t) str_term_width1 (fmd_buf) + 6);
    }

    for (i = sizeof (fmd_widgets) / sizeof (fmd_widgets[0]); i > 0;)
        fmd_widgets[--i].x_divisions = fmd_xlen;

    i = (fmd_xlen - len) / 2;
    /* OK button */
    fmd_widgets[2 - OFFSET].relative_x = i;
    i += b2_len;
#ifdef ENABLE_BACKGROUND
    /* Background button */
    fmd_widgets[1].relative_x = i;
    i += b1_len;
#endif
    /* Cancel button */
    fmd_widgets[0].relative_x = i;

#define chkbox_xpos(i) \
    fmd_widgets [i].relative_x = fmd_xlen - str_term_width1 (fmd_widgets [i].u.checkbox.text) - 6
    chkbox_xpos (3 - OFFSET);
    chkbox_xpos (4 - OFFSET);
    chkbox_xpos (9 - OFFSET);
#undef chkbox_xpos

    /* inputs */
    fmd_widgets[7 - OFFSET].u.input.len = fmd_widgets[10 - OFFSET].u.input.len = fmd_xlen - 6;

    /* unselect checkbox if target filesystem don't support attributes */
    ctx->op_preserve = filegui__check_attrs_on_fs (def_text);

    /* filter out a possible password from def_text */
    {
        vfs_path_t *vpath;

        vpath = vfs_path_from_str_flags (def_text, (only_one) ? VPF_NO_CANON : VPF_NONE);
        tmp = vfs_path_to_str_flags (vpath, 0, VPF_STRIP_PASSWORD);
        vfs_path_free (vpath);
    }
    if (source_easy_patterns)
        def_text_secure = strutils_glob_escape (tmp);
    else
        def_text_secure = strutils_regex_escape (tmp);
    g_free (tmp);

    /* destination */
    fmd_widgets[7 - OFFSET].u.input.text = def_text_secure;

    ctx->stable_symlinks = FALSE;
    *do_bg = FALSE;

    {
        struct stat buf;
        vfs_path_t *vpath;

        QuickDialog Quick_input = {
            fmd_xlen, FMDY, -1, -1, op_names[operation],
            "[Mask Copy/Rename]", fmd_widgets, NULL, NULL, TRUE
        };

      ask_file_mask:
        val = quick_dialog_skip (&Quick_input, 4);

        if (val == B_CANCEL)
        {
            g_free (def_text_secure);
            return NULL;
        }

        if (ctx->follow_links)
            ctx->stat_func = mc_stat;
        else
            ctx->stat_func = mc_lstat;

        if (ctx->op_preserve)
        {
            ctx->preserve = TRUE;
            ctx->umask_kill = 0777777;
            ctx->preserve_uidgid = (geteuid () == 0);
        }
        else
        {
            int i2;
            ctx->preserve = ctx->preserve_uidgid = FALSE;
            i2 = umask (0);
            umask (i2);
            ctx->umask_kill = i2 ^ 0777777;
        }

        if ((dest_dir == NULL) || (*dest_dir == '\0'))
        {
            g_free (def_text_secure);
            g_free (source_mask);
            return dest_dir;
        }

        ctx->search_handle = mc_search_new (source_mask, -1);

        if (ctx->search_handle == NULL)
        {
            message (D_ERROR, MSG_ERROR, _("Invalid source pattern `%s'"), source_mask);
            g_free (dest_dir);
            g_free (source_mask);
            goto ask_file_mask;
        }

        g_free (def_text_secure);
        g_free (source_mask);

        ctx->search_handle->is_case_sensitive = TRUE;
        if (source_easy_patterns)
            ctx->search_handle->search_type = MC_SEARCH_T_GLOB;
        else
            ctx->search_handle->search_type = MC_SEARCH_T_REGEX;

        tmp = dest_dir;
        dest_dir = tilde_expand (tmp);
        g_free (tmp);
        vpath = vfs_path_from_str (dest_dir);

        ctx->dest_mask = strrchr (dest_dir, PATH_SEP);
        if (ctx->dest_mask == NULL)
            ctx->dest_mask = dest_dir;
        else
            ctx->dest_mask++;
        orig_mask = ctx->dest_mask;
        if (*ctx->dest_mask == '\0'
            || (!ctx->dive_into_subdirs && !is_wildcarded (ctx->dest_mask)
                && (!only_one
                    || (mc_stat (vpath, &buf) == 0 && S_ISDIR (buf.st_mode))))
            || (ctx->dive_into_subdirs
                && ((!only_one && !is_wildcarded (ctx->dest_mask))
                    || (only_one && mc_stat (vpath, &buf) == 0 && S_ISDIR (buf.st_mode)))))
            ctx->dest_mask = g_strdup ("\\0");
        else
        {
            ctx->dest_mask = g_strdup (ctx->dest_mask);
            *orig_mask = '\0';
        }
        if (!*dest_dir)
        {
            g_free (dest_dir);
            dest_dir = g_strdup ("./");
        }
        vfs_path_free (vpath);
        if (val == B_USER)
            *do_bg = TRUE;
    }

    return dest_dir;
}
コード例 #15
0
ファイル: trgt.c プロジェクト: ele7enxxh/dtrace-pf
static void
kgdb_trgt_open(char *filename, int from_tty)
{
	struct cleanup *old_chain;
	struct thread_info *ti;
	struct kthr *kt;
	kvm_t *nkvm;
	char *temp;
	int ontop;

	target_preopen (from_tty);
	if (!filename)
		error ("No vmcore file specified.");
	if (!exec_bfd)
		error ("Can't open a vmcore without a kernel");

	filename = tilde_expand (filename);
	if (filename[0] != '/') {
		temp = concat (current_directory, "/", filename, NULL);
		xfree(filename);
		filename = temp;
	}

	old_chain = make_cleanup (xfree, filename);

	nkvm = kvm_openfiles(bfd_get_filename(exec_bfd), filename, NULL,
	    write_files ? O_RDWR : O_RDONLY, kvm_err);
	if (nkvm == NULL)
		error ("Failed to open vmcore: %s", kvm_err);

	/* Don't free the filename now and close any previous vmcore. */
	discard_cleanups(old_chain);
	unpush_target(&kgdb_trgt_ops);

	kvm = nkvm;
	vmcore = filename;
	old_chain = make_cleanup(kgdb_core_cleanup, NULL);

	ontop = !push_target (&kgdb_trgt_ops);
	discard_cleanups (old_chain);

	kgdb_dmesg();

	init_thread_list();
	kt = kgdb_thr_init();
	while (kt != NULL) {
		ti = add_thread(pid_to_ptid(kt->tid));
		kt = kgdb_thr_next(kt);
	}
	if (curkthr != 0)
		inferior_ptid = pid_to_ptid(curkthr->tid);

	if (ontop) {
		/* XXX: fetch registers? */
		kld_init();
		flush_cached_frames();
		select_frame (get_current_frame());
		print_stack_frame(get_selected_frame(),
		    frame_relative_level(get_selected_frame()), 1);
	} else
		warning(
	"you won't be able to access this vmcore until you terminate\n\
your %s; do ``info files''", target_longname);
}
コード例 #16
0
ファイル: quick.c プロジェクト: idispatch/mc
int
quick_dialog_skip (quick_dialog_t * quick_dlg, int nskip)
{
    int len;
    int blen = 0;
    int x, y;                   /* current positions */
    int y1 = 0;                 /* bottom of 1st column in case of two columns */
    int y2 = -1;                /* start of two columns */
    int width1 = 0;             /* width of single column */
    int width2 = 0;             /* width of each of two columns */
    gboolean have_groupbox = FALSE;
    gboolean two_columns = FALSE;
    gboolean put_buttons = FALSE;

    /* x position of 1st column is 3 */
    const int x1 = 3;
    /* x position of 2nd column is 4 and it will be fixed later, after creation of all widgets */
    int x2 = 4;

    GArray *widgets;
    size_t i;
    quick_widget_t *quick_widget;
    WGroupbox *g = NULL;
    WDialog *dd;
    GList *input_labels = NULL; /* Widgets not directly requested by the user. */
    int return_val;

    len = str_term_width1 (I18N (quick_dlg->title)) + 6;
    quick_dlg->cols = MAX (quick_dlg->cols, len);

    y = 1;
    x = x1;

    /* create widgets */
    widgets = g_array_sized_new (FALSE, FALSE, sizeof (quick_widget_item_t), 8);

    for (quick_widget = quick_dlg->widgets; quick_widget->widget_type != quick_end; quick_widget++)
    {
        quick_widget_item_t item = { NULL, quick_widget };
        int width = 0;

        switch (quick_widget->widget_type)
        {
        case quick_checkbox:
            item.widget =
                WIDGET (check_new
                        (++y, x, *quick_widget->u.checkbox.state,
                         I18N (quick_widget->u.checkbox.text)));
            g_array_append_val (widgets, item);
            width = item.widget->cols;
            if (g != NULL)
                width += 2;
            if (two_columns)
                width2 = MAX (width2, width);
            else
                width1 = MAX (width1, width);
            break;

        case quick_button:
            /* single button */
            item.widget = WIDGET (button_new (++y, x, quick_widget->u.button.action,
                                              quick_widget->u.button.action == B_ENTER ?
                                              DEFPUSH_BUTTON : NORMAL_BUTTON,
                                              I18N (quick_widget->u.button.text),
                                              quick_widget->u.button.callback));
            g_array_append_val (widgets, item);
            width = item.widget->cols;
            if (g != NULL)
                width += 2;
            if (two_columns)
                width2 = MAX (width2, width);
            else
                width1 = MAX (width1, width);
            break;

        case quick_input:
            *quick_widget->u.input.result = NULL;
            y++;
            if (quick_widget->u.input.label_location != input_label_none)
            {
                quick_create_labeled_input (widgets, &y, x, quick_widget, &width);
                input_labels = g_list_prepend (input_labels, quick_widget->u.input.label);
            }
            else
            {
                item.widget = WIDGET (quick_create_input (y, x, quick_widget));
                g_array_append_val (widgets, item);
                width = item.widget->cols;
            }
            if (g != NULL)
                width += 2;
            if (two_columns)
                width2 = MAX (width2, width);
            else
                width1 = MAX (width1, width);
            break;

        case quick_label:
            item.widget = WIDGET (label_new (++y, x, I18N (quick_widget->u.label.text)));
            g_array_append_val (widgets, item);
            y += item.widget->lines - 1;
            width = item.widget->cols;
            if (g != NULL)
                width += 2;
            if (two_columns)
                width2 = MAX (width2, width);
            else
                width1 = MAX (width1, width);
            break;

        case quick_radio:
            {
                WRadio *r;
                char **items = NULL;

                /* create the copy of radio_items to avoid mwmory leak */
                items = g_new (char *, quick_widget->u.radio.count + 1);
                for (i = 0; i < (size_t) quick_widget->u.radio.count; i++)
                    items[i] = g_strdup (_(quick_widget->u.radio.items[i]));
                items[i] = NULL;

                r = radio_new (++y, x, quick_widget->u.radio.count, (const char **) items);
                r->pos = r->sel = *quick_widget->u.radio.value;
                g_strfreev (items);
                item.widget = WIDGET (r);
                g_array_append_val (widgets, item);
                y += item.widget->lines - 1;
                width = item.widget->cols;
                if (g != NULL)
                    width += 2;
                if (two_columns)
                    width2 = MAX (width2, width);
                else
                    width1 = MAX (width1, width);
            }
            break;

        case quick_start_groupbox:
            I18N (quick_widget->u.groupbox.title);
            len = str_term_width1 (quick_widget->u.groupbox.title);
            g = groupbox_new (++y, x, 1, len + 4, quick_widget->u.groupbox.title);
            item.widget = WIDGET (g);
            g_array_append_val (widgets, item);
            have_groupbox = TRUE;
            break;

        case quick_stop_groupbox:
            if (g != NULL)
            {
                Widget *w = WIDGET (g);

                y++;
                w->lines = y + 1 - w->y;
                g = NULL;

                g_array_append_val (widgets, item);
            }
            break;

        case quick_separator:
            y++;
            if (quick_widget->u.separator.line)
            {
                item.widget = WIDGET (hline_new (y, x, 1));
                g_array_append_val (widgets, item);
            }
            break;

        case quick_start_columns:
            y2 = y;
            g_array_append_val (widgets, item);
            two_columns = TRUE;
            break;

        case quick_next_column:
            x = x2;
            y1 = y;
            y = y2;
            break;

        case quick_stop_columns:
            x = x1;
            y = MAX (y1, y);
            g_array_append_val (widgets, item);
            two_columns = FALSE;
            break;

        case quick_buttons:
            /* start put several buttons in bottom line */
            if (quick_widget->u.separator.space)
            {
                y++;

                if (quick_widget->u.separator.line)
                    item.widget = WIDGET (hline_new (y, 1, -1));
            }

            g_array_append_val (widgets, item);

            /* several buttons in bottom line */
            y++;
            quick_widget++;
            for (; quick_widget->widget_type == quick_button; quick_widget++)
            {
                item.widget = WIDGET (button_new (y, x++, quick_widget->u.button.action,
                                                  quick_widget->u.button.action == B_ENTER ?
                                                  DEFPUSH_BUTTON : NORMAL_BUTTON,
                                                  I18N (quick_widget->u.button.text),
                                                  quick_widget->u.button.callback));
                item.quick_widget = quick_widget;
                g_array_append_val (widgets, item);
                blen += item.widget->cols + 1;
            }

            /* stop dialog build here */
            blen--;
            quick_widget->widget_type = quick_end;
            quick_widget--;
            break;

        default:
            break;
        }
    }

    /* adjust dialog width */
    quick_dlg->cols = MAX (quick_dlg->cols, blen + 6);
    if (have_groupbox)
    {
        if (width1 != 0)
            width1 += 2;
        if (width2 != 0)
            width2 += 2;
    }
    if (width2 == 0)
        len = width1 + 6;
    else
    {
        len = width2 * 2 + 7;
        if (width1 != 0)
            len = MAX (len, width1 + 6);
    }

    quick_dlg->cols = MAX (quick_dlg->cols, len);
    width1 = quick_dlg->cols - 6;
    width2 = (quick_dlg->cols - 7) / 2;

    if (quick_dlg->x == -1 || quick_dlg->y == -1)
        dd = dlg_create (TRUE, 0, 0, y + 3, quick_dlg->cols, WPOS_CENTER | WPOS_TRYUP, FALSE,
                         dialog_colors, quick_dlg->callback, quick_dlg->mouse_callback,
                         quick_dlg->help, quick_dlg->title);
    else
        dd = dlg_create (TRUE, quick_dlg->y, quick_dlg->x, y + 3, quick_dlg->cols,
                         WPOS_KEEP_DEFAULT, FALSE, dialog_colors, quick_dlg->callback,
                         quick_dlg->mouse_callback, quick_dlg->help, quick_dlg->title);

    /* add widgets into the dialog */
    x2 = x1 + width2 + 1;
    g = NULL;
    two_columns = FALSE;
    x = (WIDGET (dd)->cols - blen) / 2;

    for (i = 0; i < widgets->len; i++)
    {
        quick_widget_item_t *item;
        int column_width;

        item = &g_array_index (widgets, quick_widget_item_t, i);
        column_width = two_columns ? width2 : width1;

        /* adjust widget width and x position */
        switch (item->quick_widget->widget_type)
        {
        case quick_label:
            {
                quick_widget_t *input = item->quick_widget->u.label.input;

                if (input != NULL && input->u.input.label_location == input_label_right)
                {
                    /* location of this label will be adjusted later */
                    break;
                }
            }
            /* fall through */
        case quick_checkbox:
        case quick_radio:
            if (item->widget->x != x1)
                item->widget->x = x2;
            if (g != NULL)
                item->widget->x += 2;
            break;

        case quick_button:
            if (!put_buttons)
            {
                if (item->widget->x != x1)
                    item->widget->x = x2;
                if (g != NULL)
                    item->widget->x += 2;
            }
            else
            {
                item->widget->x = x;
                x += item->widget->cols + 1;
            }
            break;

        case quick_input:
            {
                Widget *label = WIDGET (INPUT (item->widget)->label);
                int width = column_width;

                if (g != NULL)
                    width -= 4;

                switch (item->quick_widget->u.input.label_location)
                {
                case input_label_left:
                    /* label was adjusted before; adjust input line */
                    item->widget->x = label->x + label->cols + 1 - WIDGET (label->owner)->x;
                    item->widget->cols = width - label->cols - 1;
                    break;

                case input_label_right:
                    if (item->widget->x != x1)
                        item->widget->x = x2;
                    if (g != NULL)
                        item->widget->x += 2;
                    item->widget->cols = width - label->cols - 1;
                    label->x = item->widget->x + item->widget->cols + 1;
                    break;

                default:
                    if (item->widget->x != x1)
                        item->widget->x = x2;
                    if (g != NULL)
                        item->widget->x += 2;
                    item->widget->cols = width;
                    break;
                }

                /* forced update internal variables of inpuit line */
                widget_set_size (item->widget, item->widget->y, item->widget->x, 1,
                                 item->widget->cols);
            }
            break;

        case quick_start_groupbox:
            g = GROUPBOX (item->widget);
            if (item->widget->x != x1)
                item->widget->x = x2;
            item->widget->cols = column_width;
            break;

        case quick_stop_groupbox:
            g = NULL;
            break;

        case quick_separator:
            if (item->widget != NULL)
            {
                if (g != NULL)
                {
                    Widget *wg = WIDGET (g);

                    HLINE (item->widget)->auto_adjust_cols = FALSE;
                    item->widget->x = wg->x + 1 - WIDGET (wg->owner)->x;
                    item->widget->cols = wg->cols;
                }
                else if (two_columns)
                {
                    HLINE (item->widget)->auto_adjust_cols = FALSE;
                    if (item->widget->x != x1)
                        item->widget->x = x2;
                    item->widget->x--;
                    item->widget->cols = column_width + 2;
                }
                else
                    HLINE (item->widget)->auto_adjust_cols = TRUE;
            }
            break;

        case quick_start_columns:
            two_columns = TRUE;
            break;

        case quick_stop_columns:
            two_columns = FALSE;
            break;

        case quick_buttons:
            /* several buttons in bottom line */
            put_buttons = TRUE;
            break;

        default:
            break;
        }

        if (item->widget != NULL)
        {
            unsigned long id;

            /* add widget into dialog */
            item->widget->options |= item->quick_widget->options;       /* FIXME: cannot reset flags, setup only */
            item->widget->state |= item->quick_widget->state;   /* FIXME: cannot reset flags, setup only */
            id = add_widget_autopos (dd, item->widget, item->quick_widget->pos_flags, NULL);
            if (item->quick_widget->id != NULL)
                *item->quick_widget->id = id;
        }
    }

    while (nskip-- != 0)
        dlg_set_current_widget_next (dd);

    return_val = dlg_run (dd);

    /* Get the data if we found something interesting */
    if (return_val != B_CANCEL)
        for (i = 0; i < widgets->len; i++)
        {
            quick_widget_item_t *item;

            item = &g_array_index (widgets, quick_widget_item_t, i);

            switch (item->quick_widget->widget_type)
            {
            case quick_checkbox:
                *item->quick_widget->u.checkbox.state = CHECK (item->widget)->state;
                break;

            case quick_input:
                if ((quick_widget->u.input.completion_flags & INPUT_COMPLETE_CD) != 0)
                    *item->quick_widget->u.input.result =
                        tilde_expand (INPUT (item->widget)->buffer);
                else
                    *item->quick_widget->u.input.result = g_strdup (INPUT (item->widget)->buffer);
                break;

            case quick_radio:
                *item->quick_widget->u.radio.value = RADIO (item->widget)->sel;
                break;

            default:
                break;
            }
        }

    dlg_destroy (dd);

    g_list_free_full (input_labels, g_free);    /* destroy input labels created before */
    g_array_free (widgets, TRUE);

    return return_val;
}
コード例 #17
0
ファイル: cli-setshow.c プロジェクト: rib/Bosh
void
do_setshow_command (char *arg, int from_tty, struct cmd_list_element *c)
{
  if (c->type == set_cmd)
    {
      switch (c->var_type)
	{
	case var_string:
	  {
	    if (arg == NULL)
	      arg = "";
	    *(char **) c->var = g_strcompress (arg);
	  }
	  break;
	case var_string_noescape:
	  if (arg == NULL)
	    arg = "";
	  if (*(char **) c->var != NULL)
	    g_free (*(char **) c->var);
	  *(char **) c->var = savestring (arg, strlen (arg));
	  break;
	case var_optional_filename:
	  if (arg == NULL)
	    arg = "";
	  if (*(char **) c->var != NULL)
	    g_free (*(char **) c->var);
	  *(char **) c->var = savestring (arg, strlen (arg));
	  break;
	case var_filename:
	  if (arg == NULL)
	    bosh_command_error_no_argument (_("filename to set it to."));
	  if (*(char **) c->var != NULL)
	    g_free (*(char **) c->var);
	  {
	    /* Clear trailing whitespace of filename.  */
	    char *ptr = arg + strlen (arg) - 1;
	    while (ptr >= arg && (*ptr == ' ' || *ptr == '\t'))
	      ptr--;
	    *(ptr + 1) = '\0';
	  }
	  *(char **) c->var = tilde_expand (arg);
	  break;
	case var_boolean:
          {
            int val = parse_binary_operation (arg);
            if (val != -1)
              *(int *) c->var = val;
            break;
          }
	case var_auto_boolean:
          {
            enum auto_boolean val = parse_auto_binary_operation (arg);
            if (val != AUTO_BOOLEAN_INVALID)
              *(enum auto_boolean *) c->var = val;
            break;
          }
	case var_uinteger:
	  if (arg == NULL)
	    bosh_command_error_no_argument (_("integer to set it to."));
	  *(unsigned int *) c->var = parse_and_eval_long (arg);
	  if (*(unsigned int *) c->var == 0)
	    *(unsigned int *) c->var = UINT_MAX;
	  break;
	case var_integer:
	  {
	    unsigned int val;
	    if (arg == NULL)
              {
                bosh_command_error_no_argument (_("integer to set it to."));
                break;
              }
	    val = parse_and_eval_long (arg);
	    if (val == 0)
	      *(int *) c->var = INT_MAX;
	    else if (val >= INT_MAX)
              {
                g_print (_("integer %u out of range"), val);
                break;
              }
	    else
	      *(int *) c->var = val;
	    break;
	  }
	case var_zinteger:
	  if (arg == NULL)
	    bosh_command_error_no_argument (_("integer to set it to."));
	  *(int *) c->var = parse_and_eval_long (arg);
	  break;
	case var_enum:
	  {
	    int i;
	    int len;
	    int nmatches;
	    const char *match = NULL;
	    char *p;

	    /* if no argument was supplied, print an informative error message */
	    if (arg == NULL)
	      {
		char *msg;
		int msg_len = 0;
		for (i = 0; c->enums[i]; i++)
		  msg_len += strlen (c->enums[i]) + 2;

		msg = g_malloc (msg_len);
		*msg = '\0';

		for (i = 0; c->enums[i]; i++)
		  {
		    if (i != 0)
		      strcat (msg, ", ");
		    strcat (msg, c->enums[i]);
		  }
		g_print (_("Requires an argument. Valid arguments are %s."), msg);
                g_free (msg);
                break;
	      }

	    p = strchr (arg, ' ');

	    if (p)
	      len = p - arg;
	    else
	      len = strlen (arg);

	    nmatches = 0;
	    for (i = 0; c->enums[i]; i++)
	      if (strncmp (arg, c->enums[i], len) == 0)
		{
		  if (c->enums[i][len] == '\0')
		    {
		      match = c->enums[i];
		      nmatches = 1;
		      break; /* exact match. */
		    }
		  else
		    {
		      match = c->enums[i];
		      nmatches++;
		    }
		}

	    if (nmatches <= 0)
              {
	        g_print (_("Undefined item: \"%s\"."), arg);
                break;
              }

	    if (nmatches > 1)
              {
                g_print (_("Ambiguous item \"%s\"."), arg);
                break;
              }

	    *(const char **) c->var = match;
	  }
	  break;
	default:
	  g_warning (_("gdb internal error: bad var_type in do_setshow_command"));
	}
    }
  else if (c->type == show_cmd)
    {
      char *val;

      /* Possibly call the pre hook.  */
      if (c->pre_show_hook)
	(c->pre_show_hook) (c);

      switch (c->var_type)
	{
	case var_string:
          if (*(char **) c->var)
            val = g_strescape (*(char **) c->var, "");
	  break;
	case var_string_noescape:
	case var_optional_filename:
	case var_filename:
	case var_enum:
	  if (*(char **) c->var)
            val = g_strdup (*(char **) c->var);
	  break;
	case var_boolean:
          val = g_strdup (c->var ? "on" : "off");
	  break;
	case var_auto_boolean:
	  switch (*(enum auto_boolean*) c->var)
	    {
	    case AUTO_BOOLEAN_TRUE:
              val = g_strdup ("on");
	      break;
	    case AUTO_BOOLEAN_FALSE:
              val = g_strdup ("off");
	      break;
	    case AUTO_BOOLEAN_AUTO:
              val = g_strdup ("auto");
	      break;
	    default:
	      g_warning ("%s:%d %s",
                         __FILE__, __LINE__,
			 _("do_setshow_command: invalid var_auto_boolean"));
	      break;
	    }
	  break;
	case var_uinteger:
	  if (*(unsigned int *) c->var == UINT_MAX)
	    {
              val = g_strdup ("unlimited");
	      break;
	    }
	  /* else fall through */
	case var_zinteger:
          val = g_strdup_printf ("%u", *(unsigned int *) c->var);
	  break;
	case var_integer:
	  if (*(int *) c->var == INT_MAX)
            val = g_strdup ("unlimited");
	  else
            val = g_strdup_printf ("%d", *(int *) c->var);
	  break;

	default:
	  g_warning (_("gdb internal error: bad var_type in do_setshow_command"));
	}

        if (c->show_value_func != NULL)
          c->show_value_func (NULL, from_tty, c, val);
        else
          g_warning ("command %s missing show_value_func", c->name);
    }
  else
    g_warning (_("gdb internal error: bad cmd_type in do_setshow_command"));

  c->func (c, NULL, from_tty);
}
コード例 #18
0
ファイル: request.c プロジェクト: somenxavi/nel
char *request_files(const char * const filename, int use_prefix) {

	int i, num_entries, name_len, max_name_len, total_len, next_dir, is_dir,
		entries_alloc_size = DEF_ENTRIES_ALLOC_SIZE,
		names_alloc_size = DEF_NAMES_ALLOC_SIZE;

	char *dir_name, **entries = NULL, *names = NULL, *cur_dir_name, *result = NULL, *p;

	DIR *d;
	struct dirent *de;

	if (!(cur_dir_name = ne_getcwd(CUR_DIR_MAX_SIZE))) return NULL;

	if (dir_name = str_dup(filename)) {
		i = 0;
		if ((p = (char *)file_part(dir_name)) != dir_name) {
			*p = 0;
			i = chdir(tilde_expand(dir_name));
		}
		free(dir_name);
		if (i == -1) return NULL;
	}

	if (entries = malloc(sizeof(char *) * entries_alloc_size)) {
		if (names = malloc(sizeof(char) * names_alloc_size)) {
			do {
				next_dir = FALSE;

				if (d = opendir(CURDIR)) {

					num_entries = max_name_len = total_len = 0;

					stop = FALSE;

					while(!stop && (de = readdir(d))) {
						is_dir = is_directory(de->d_name);
						if (use_prefix && !is_prefix(file_part(filename), de->d_name)) continue;
						name_len = strlen(de->d_name) + is_dir + 1;

						if (name_len > max_name_len) max_name_len = name_len;

						if (total_len + name_len > names_alloc_size) {
							char *t;
							t = realloc(names, sizeof(char) * (names_alloc_size = names_alloc_size * 2 + name_len));
							if (!t) break;
							names = t;
							/* Now adjust the entries to point to the newly reallocated strings */
							entries[0] = names;
							for (i = 1; i < num_entries; i++)
							  entries[i] = entries[i - 1] + strlen(entries[i - 1]) + 1;
						}

						if (num_entries >= entries_alloc_size) {
							char **t;
							t = realloc(entries, sizeof(char *) * (entries_alloc_size *= 2));
							if (!t) break;
							entries = t;
						}

						strcpy(entries[num_entries] = names + total_len, de->d_name);
						if (is_dir) strcpy(names + total_len + name_len - 2, "/");
						total_len += name_len;
						num_entries++;
					}

					if (num_entries) {
						qsort(entries, num_entries, sizeof(char *), filenamecmpp);

						if ((i = request_strings((const char * const *)entries, num_entries, 0, max_name_len, '/')) != ERROR) {
							p = entries[i >= 0 ? i : -i - 2];
							if (p[strlen(p) - 1] == '/' && i >= 0) {
								p[strlen(p) - 1] = 0;
								if (chdir(p)) alert();
								else use_prefix = FALSE;
								next_dir = TRUE;
							}
							else {
								result = ne_getcwd(CUR_DIR_MAX_SIZE + strlen(p) + 2);
								if (strcmp(result, "/")) strcat(result, "/");
								strcat(result, p);
								if (i < 0) {
									memmove(result + 1, result, strlen(result) + 1);
									result[0] = 0;
								}
							}
						}
					}

					closedir(d);
				}
				else alert();

			} while(next_dir);

			free(names);
		}
		free(entries);
	}

	chdir(cur_dir_name);
	free(cur_dir_name);

	return result;
}