Esempio n. 1
0
/*
  fopen by file system codepage
*/
FILE *
fsyscp_fopen (const char *filename, const char *mode)
{
    FILE *f;
    wchar_t *fnamew, modew[4];
    int i;
#if defined (KPSE_COMPAT_API)
    kpathsea kpse;
#endif
    assert(filename && mode);

    fnamew = get_wstring_from_fsyscp(filename, fnamew=NULL);
    for(i=0; (modew[i]=(wchar_t)mode[i]); i++) {} /* mode[i] must be ASCII */
    f = _wfopen(fnamew, modew);
#if defined (KPSE_COMPAT_API)
    if (f != NULL) {
        kpse = kpse_def;
        if (KPATHSEA_DEBUG_P (KPSE_DEBUG_FOPEN)) {
            DEBUGF_START ();
            fprintf (stderr, "fsyscp_fopen(%s [", filename);
            WriteConsoleW( GetStdHandle( STD_ERROR_HANDLE ), fnamew, wcslen( fnamew ), NULL, NULL );
#if defined(_WIN64)
            fprintf (stderr, "], %s) => 0x%I64x\n", mode, (unsigned __int64) f);
#else
            fprintf (stderr, "], %s) => 0x%lx\n", mode, (unsigned long) f);
#endif
            DEBUGF_END ();
        }
    }
#endif
    free(fnamew);

    return f;
}
Esempio n. 2
0
/*
  xfopen by file system codepage
*/
FILE *
kpathsea_fsyscp_xfopen (kpathsea kpse, const char *filename, const char *mode)
{
    FILE *f;
    wchar_t *fnamew, modew[4];
    int i;

    assert(filename && mode);

    fnamew = get_wstring_from_mbstring(kpse->File_system_codepage, filename, fnamew=NULL);
    for(i=0; (modew[i]=(wchar_t)mode[i]); i++) {} /* mode[i] must be ASCII */
    f = _wfopen(fnamew, modew);
    if (f == NULL)
        FATAL_PERROR(filename);
    if (KPATHSEA_DEBUG_P (KPSE_DEBUG_FOPEN)) {
        DEBUGF_START ();
        fprintf (stderr, "fsyscp_xfopen(%s [", filename);
        WriteConsoleW( GetStdHandle( STD_ERROR_HANDLE ), fnamew, wcslen( fnamew ), NULL, NULL );
#if defined(_WIN64)
        fprintf (stderr, "], %s) => 0x%I64x\n", mode, (unsigned __int64) f);
#else
        fprintf (stderr, "], %s) => 0x%lx\n", mode, (unsigned long) f);
#endif
        DEBUGF_END ();
    }
    free(fnamew);

    return f;
}
Esempio n. 3
0
FILE *
fsyscp_popen (const char *command, const char *mode)
{
    FILE *f;
    wchar_t *commandw, modew[4];
    int i;
#if defined (KPSE_COMPAT_API)
    kpathsea kpse;
#endif
    assert(command && mode);

    if (is_include_space (command)) {
        const char *p;
        char *command2, *q;
        command2 = xmalloc (strlen (command) + 3);
        p = command;
        q = command2;
        *q++ = '\"';
        while (*p)
            *q++ = *p++;
        *q++ = '\"';
        *q = '\0';
        commandw = get_wstring_from_fsyscp(command2, commandw=NULL);
        free (command2);
    } else {
        commandw = get_wstring_from_fsyscp(command, commandw=NULL);
    }
    for(i=0; (modew[i]=(wchar_t)mode[i]); i++) {} /* mode[i] must be ASCII */
    f = _wpopen(commandw, modew);
#if defined (KPSE_COMPAT_API)
    if (f != NULL) {
        kpse = kpse_def;
        if (KPATHSEA_DEBUG_P (KPSE_DEBUG_FOPEN)) {
            DEBUGF_START ();
            fprintf (stderr, "fsyscp_popen(%s [", command);
            WriteConsoleW( GetStdHandle( STD_ERROR_HANDLE ), commandw, wcslen( commandw ), NULL, NULL );
#if defined(_WIN64)
            fprintf (stderr, "], %s) => 0x%I64x\n", mode, (unsigned __int64) f);
#else
            fprintf (stderr, "], %s) => 0x%lx\n", mode, (unsigned long) f);
#endif
            DEBUGF_END ();
        }
    }
#endif
    free (commandw);
/* We use always binary mode on Windows */
    if(f) _setmode (fileno (f), _O_BINARY);

    return f;
}
Esempio n. 4
0
static boolean
alias_build (kpathsea kpse, hash_table_type *table,
             const_string alias_filename)
{
  string line, real, alias;
  unsigned count = 0;
  FILE *alias_file = fopen (alias_filename, FOPEN_R_MODE);

  if (alias_file) {
    while ((line = read_line (alias_file)) != NULL) {
      /* comments or empty */
      if (*line == 0 || *line == '%' || *line == '#') {
        ;
      } else {
        /* Each line should have two fields: realname aliasname.  */
        real = line;
        while (*real && ISSPACE (*real))
          real++;
        alias = real;
        while (*alias && !ISSPACE (*alias))
          alias++;
        *alias++ = 0;
        while (*alias && ISSPACE (*alias))
          alias++;
        /* Is the check for errors strong enough?  Should we warn the user
           for potential errors?  */
        if (strlen (real) != 0 && strlen (alias) != 0) {
          /* Stuff in the alias file should be normalized. */
          hash_insert_normalized (table, xstrdup (alias), xstrdup (real));
          count++;
        }
      }
      free (line);
    }

#ifdef KPSE_DEBUG
    if (KPATHSEA_DEBUG_P (KPSE_DEBUG_HASH)) {
      /* As with ls-R above ... */
      boolean hash_summary_only = true;
      DEBUGF2 ("%s: %u aliases.\n", alias_filename, count);
      DEBUGF ("alias hash table:");
      hash_print (*table, hash_summary_only);
      fflush (stderr);
    }
#endif /* KPSE_DEBUG */

    xfclose (alias_file, alias_filename);
  }

  return alias_file != NULL;
}
Esempio n. 5
0
int
fclose (FILE * f)
{
#undef fclose
  int ret = fclose (f);
#if defined (KPSE_COMPAT_API)
  kpathsea kpse = kpse_def;
  if (KPATHSEA_DEBUG_P (KPSE_DEBUG_FOPEN))
#if defined(_WIN64)
    DEBUGF2 ("fclose(0x%I64x) => %d\n", (unsigned __int64) f, ret);
#else
    DEBUGF2 ("fclose(0x%lx) => %d\n", (unsigned long) f, ret);
#endif
#endif
  return ret;
}
Esempio n. 6
0
FILE *
fopen (const char *filename,  const char *mode)
{
#undef fopen
  FILE *ret = fopen (filename, mode);
#if defined (KPSE_COMPAT_API)
  kpathsea kpse = kpse_def;
  if (KPATHSEA_DEBUG_P (KPSE_DEBUG_FOPEN))
#if defined(_WIN64)
    DEBUGF3 ("fopen(%s, %s) => 0x%I64x\n", filename, mode, (unsigned __int64) ret);
#else
    DEBUGF3 ("fopen(%s, %s) => 0x%lx\n", filename, mode, (unsigned long) ret);
#endif
#endif
  return ret;
}
Esempio n. 7
0
const_string *
hash_lookup (hash_table_type table,  const_string key)
{
    hash_element_type *p;
    cstr_list_type ret;
    unsigned n = hash (table, key);
    ret = cstr_list_init ();

    /* Look at everything in this bucket.  */
    for (p = table.buckets[n]; p != NULL; p = p->next)
        if (FILESTRCASEEQ (key, p->key))
            cstr_list_add (&ret, p->value);

    /* If we found anything, mark end of list with null.  */
    if (STR_LIST (ret))
        cstr_list_add (&ret, NULL);

#ifdef KPSE_DEBUG
#if defined (KPSE_COMPAT_API)
    {
        kpathsea kpse = kpse_def;
        if (KPATHSEA_DEBUG_P (KPSE_DEBUG_HASH))
        {
            DEBUGF1 ("hash_lookup(%s) =>", key);
            if (!STR_LIST (ret))
                fputs (" (nil)\n", stderr);
            else
            {
                const_string *r;
                for (r = STR_LIST (ret); *r; r++)
                {
                    putc (' ', stderr);
                    if (kpse->debug_hash_lookup_int)
                        fprintf (stderr, "%ld", (long) *r);
                    else
                        fputs (*r, stderr);
                }
                putc ('\n', stderr);
            }
            fflush (stderr);
        }
    }
#endif
#endif

    return STR_LIST (ret);
}
Esempio n. 8
0
str_llist_type *
kpathsea_element_dirs (kpathsea kpse, string elt)
{
  str_llist_type *ret;
  unsigned i;

  /* If given nothing, return nothing.  */
  if (!elt || !*elt)
    return NULL;

  /* Normalize ELT before looking for a cached value.  */
  i = kpathsea_normalize_path (kpse, elt);

  /* If we've already cached the answer for ELT, return it.  */
  ret = cached (kpse, elt);
  if (ret)
    return ret;

  /* We're going to have a real directory list to return.  */
  ret = XTALLOC1 (str_llist_type);
  *ret = NULL;

  /* We handle the hard case in a subroutine.  */
  expand_elt (kpse, ret, elt, i);

  /* Remember the directory list we just found, in case future calls are
     made with the same ELT.  */
  cache (kpse, elt, ret);

#ifdef KPSE_DEBUG
  if (KPATHSEA_DEBUG_P (KPSE_DEBUG_EXPAND))
    {
      DEBUGF1 ("path element %s =>", elt);
      if (ret)
        {
          str_llist_elt_type *e;
          for (e = *ret; e; e = STR_LLIST_NEXT (*e))
            fprintf (stderr, " %s", STR_LLIST (*e));
        }
      putc ('\n', stderr);
      fflush (stderr);
    }
#endif /* KPSE_DEBUG */

  return ret;
}
Esempio n. 9
0
string
kpathsea_var_value (kpathsea kpse, const_string var)
{
  string vtry, ret;
  const_string value;

  assert (kpse->program_name);

  /* First look for VAR.progname. */
  vtry = concat3 (var, ".", kpse->program_name);
  value = getenv (vtry);
  free (vtry);

  if (!value || !*value) {
    /* Now look for VAR_progname. */
    vtry = concat3 (var, "_", kpse->program_name);
    value = getenv (vtry);
    free (vtry);
  }

  /* Just plain VAR.  */
  if (!value || !*value)
    value = getenv (var);

  /* Not in the environment; check a config file.  */
  if (!value || !*value)
      value = kpathsea_cnf_get (kpse, var);

  /* We have a value; do variable and tilde expansion.  We want to use ~
     in the cnf files, to adapt nicely to Windows and to avoid extra /'s
     (see tilde.c), but we also want kpsewhich -var-value=foo to not
     have any literal ~ characters, so our shell scripts don't have to
     worry about doing the ~ expansion.  */
  ret = value ? kpathsea_expand (kpse, value) : NULL;

#ifdef KPSE_DEBUG
  if (KPATHSEA_DEBUG_P (KPSE_DEBUG_VARS))
    DEBUGF2("variable: %s = %s\n", var, ret ? ret : "(nil)");
#endif

  return ret;
}
Esempio n. 10
0
unsigned
kpathsea_normalize_path (kpathsea kpse, string elt)
{
  unsigned ret;
  unsigned i;

#if defined(WIN32)
  for (i = 0; elt[i]; i++) {
    if (elt[i] == '\\')
      elt[i] = '/';
    else if (IS_KANJI(elt + i))
      i++;
  }
#endif

  if (NAME_BEGINS_WITH_DEVICE(elt)) {
    if (*elt >= 'A' && *elt <= 'Z')
      *elt += 'a' - 'A';
    ret = 2;

  } else if (IS_UNC_NAME(elt)) {
    for (ret = 2; elt[ret] && !IS_DIR_SEP_CH(elt[ret]); ret++)
      ;

  } else
    ret = 0;

  for (i = ret; IS_DIR_SEP_CH(elt[i]); ++i)
    ;
  if (i > ret + 1) {
#ifdef KPSE_DEBUG
  if (KPATHSEA_DEBUG_P (KPSE_DEBUG_STAT))
    DEBUGF2 ("kpse_normalize_path (%s) => %u\n", elt, ret);
#endif /* KPSE_DEBUG */

    memmove (elt + ret + 1, elt + i, strlen (elt + i) + 1);
  }

  return ret;
}
Esempio n. 11
0
static boolean
db_build (kpathsea kpse, hash_table_type *table,  const_string db_filename)
{
  string line;
  unsigned dir_count = 0, file_count = 0, ignore_dir_count = 0;
  unsigned len = strlen (db_filename) - sizeof (DB_NAME) + 1; /* Keep the /. */
  string top_dir = (string)xmalloc (len + 1);
  string cur_dir = NULL; /* First thing in ls-R might be a filename.  */
  FILE *db_file = fopen (db_filename, FOPEN_R_MODE);
#if defined(WIN32)
  string pp;
#endif

  strncpy (top_dir, db_filename, len);
  top_dir[len] = 0;

  if (db_file) {
    while ((line = read_line (db_file)) != NULL) {
      len = strlen (line);

#if defined(WIN32)
      for (pp = line; *pp; pp++) {
        if (IS_KANJI(pp))
          pp++;
        else
          *pp = TRANSFORM(*pp);
      }
#endif

      /* A line like `/foo:' = new dir foo.  Allow both absolute (/...)
         and explicitly relative (./...) names here.  It's a kludge to
         pass in the directory name with the trailing : still attached,
         but it doesn't actually hurt.  */
      if (len > 0 && line[len - 1] == ':'
          && kpathsea_absolute_p (kpse, line, true)) {
        /* New directory line.  */
        if (!ignore_dir_p (line)) {
          /* If they gave a relative name, prepend full directory name now.  */
          line[len - 1] = DIR_SEP;
          /* Skip over leading `./', it confuses `match' and is just a
             waste of space, anyway.  This will lose on `../', but `match'
             won't work there, either, so it doesn't matter.  */
          cur_dir = *line == '.' ? concat (top_dir, line + 2) : xstrdup (line);
          dir_count++;
        } else {
          cur_dir = NULL;
          ignore_dir_count++;
        }

      /* Ignore blank, `.' and `..' lines.  */
      } else if (*line != 0 && cur_dir   /* a file line? */
                 && !(*line == '.'
                      && (line[1] == 0 || (line[1] == '.' && line[2] == 0))))
      {
        /* Make a new hash table entry with a key of `line' and a data
           of `cur_dir'.  An already-existing identical key is ok, since
           a file named `foo' can be in more than one directory.  Share
           `cur_dir' among all its files (and hence never free it).

           Note that we assume that all names in the ls-R file have already
           been case-smashed to lowercase where appropriate.
        */
        hash_insert_normalized (table, xstrdup (line), cur_dir);
        file_count++;

      } /* else ignore blank lines or top-level files
           or files in ignored directories*/

      free (line);
    }

    xfclose (db_file, db_filename);

    if (file_count == 0) {
      WARNING1 ("kpathsea: %s: No usable entries in ls-R", db_filename);
      WARNING ("kpathsea: See the manual for how to generate ls-R");
      db_file = NULL;
    } else {
      str_list_add (&(kpse->db_dir_list), xstrdup (top_dir));
    }

#ifdef KPSE_DEBUG
    if (KPATHSEA_DEBUG_P (KPSE_DEBUG_HASH)) {
      /* Don't make this a debugging bit, since the output is so
         voluminous, and being able to specify -1 is too useful.
         Instead, let people who want it run the program under
         a debugger and change the variable that way.  */
      boolean hash_summary_only = true;

      DEBUGF4 ("%s: %u entries in %d directories (%d hidden).\n",
               db_filename, file_count, dir_count, ignore_dir_count);
      DEBUGF ("ls-R hash table:");
      hash_print (*table, hash_summary_only);
      fflush (stderr);
    }
#endif /* KPSE_DEBUG */
  }

  free (top_dir);

  return db_file != NULL;
}
Esempio n. 12
0
str_list_type *
kpathsea_db_search_list (kpathsea kpse, string* names,
                         const_string path_elt, boolean all)
{
  const_string *db_dirs, *orig_dirs;
  const_string last_slash, name, path;
  string temp_str = NULL;
  boolean done;
  unsigned e;
  const_string *aliases, *r;
  int n;
  str_list_type *ret = NULL;
  boolean relevant = false;

  /* If we failed to build the database (or if this is the recursive
     call to build the db path), quit.  */
  if (kpse->db.buckets == NULL)
    return NULL;

  /* Don't bother doing any lookups if this `path_elt' isn't covered by
     any of database directories.  We do this not so much because the
     extra couple of hash lookups matter -- they don't -- but rather
     because we want to return NULL in this case, so path_search can
     know to do a disk search.  */
  for (e = 0; !relevant && e < STR_LIST_LENGTH (kpse->db_dir_list); e++) {
    relevant = elt_in_db (STR_LIST_ELT (kpse->db_dir_list, e), path_elt);
  }
  if (!relevant)
    return NULL;

  done = false;
  ret = XTALLOC1 (str_list_type);
  *ret = str_list_init ();

  /* Handle each name. */
  for (n = 0; !done && names[n]; n++) {
      name = names[n];

      /* Absolute names should have been caught in our caller. */
      if (kpathsea_absolute_p(kpse, name, true))
          continue;

      /* When tex-glyph.c calls us looking for, e.g., dpi600/cmr10.pk, we
         won't find it unless we change NAME to just `cmr10.pk' and append
         `/dpi600' to PATH_ELT.  We are justified in using a literal `/'
         here, since that's what tex-glyph.c unconditionally uses in
         DPI_BITMAP_SPEC.  But don't do anything if the / begins NAME; that
         should never happen.  */
      last_slash = strrchr (name, '/');
      if (last_slash && last_slash != name) {
          unsigned len = last_slash - name + 1;
          string dir_part = (string)xmalloc (len);
          strncpy (dir_part, name, len - 1);
          dir_part[len - 1] = 0;
          path = temp_str = concat3 (path_elt, "/", dir_part);
          name = last_slash + 1;
          free (dir_part);
      } else {
          path = path_elt;
      }

      /* If we have aliases for this name, use them.  */
      if (kpse->alias_db.buckets)
          aliases = hash_lookup (kpse->alias_db, name);
      else
          aliases = NULL;

      if (!aliases) {
          aliases = XTALLOC1 (const_string);
          aliases[0] = NULL;
      }
      {  /* Push aliases up by one and insert the original name at front.  */
          unsigned i;
          unsigned len = 1; /* Have NULL element already allocated.  */
          for (r = aliases; *r; r++)
              len++;
          aliases = (const_string *) xrealloc ((void *) aliases,
                                               (len + 1) * sizeof(const_string));
          for (i = len; i > 0; i--) {
              aliases[i] = aliases[i - 1];
          }
          aliases[0] = name;
      }

      for (r = aliases; !done && *r; r++) {
          const_string ctry = *r;

          /* We have an ls-R db.  Look up `try'.  */
          orig_dirs = db_dirs = hash_lookup (kpse->db, ctry);

          /* For each filename found, see if it matches the path element.  For
             example, if we have .../cx/cmr10.300pk and .../ricoh/cmr10.300pk,
             and the path looks like .../cx, we don't want the ricoh file.  */
          while (!done && db_dirs && *db_dirs) {
            string db_file = concat (*db_dirs, ctry);
            boolean matched = match (db_file, path);

#ifdef KPSE_DEBUG
            if (KPATHSEA_DEBUG_P (KPSE_DEBUG_SEARCH))
              DEBUGF3 ("db:match(%s,%s) = %d\n", db_file, path, matched);
#endif

            /* We got a hit in the database.  Now see if the file actually
               exists, possibly under an alias.  */
            if (matched) {
              string found = NULL;
              if (kpathsea_readable_file (kpse, db_file)) {
                found = db_file;

              } else {
                const_string *a;

                free (db_file); /* `db_file' wasn't on disk.  */

                /* The hit in the DB doesn't exist in disk.  Now try all its
                   aliases.  For example, suppose we have a hierarchy on CD,
                   thus `mf.bas', but ls-R contains `mf.base'.  Find it anyway.
                   Could probably work around this with aliases, but
                   this is pretty easy and shouldn't hurt.  The upshot is that
                   if one of the aliases actually exists, we use that.  */
                for (a = aliases + 1; *a && !found; a++) {
                  string atry = concat (*db_dirs, *a);
                  if (kpathsea_readable_file (kpse, atry))
                    found = atry;
                  else
                    free (atry);
                }
              }

              /* If we have a real file, add it to the list, maybe done.  */
              if (found) {
                str_list_add (ret, found);
                if (!all && found)
                  done = true;
              }
            } else { /* no match in the db */
              free (db_file);
            }

            /* On to the next directory, if any.  */
            db_dirs++;
          }

          /* This is just the space for the pointers, not the strings.  */
          if (orig_dirs && *orig_dirs)
              free (orig_dirs);
      }

      free ((void *) aliases);
      if (temp_str)
          free (temp_str);
  }

  return ret;
}
Esempio n. 13
0
void
kpathsea_init_db (kpathsea kpse)
{
  const_string db_path;
  string *db_files;
  string *orig_db_files;
  str_list_type unique_list;
  int dbi;
  boolean ok = false;

  assert (sizeof(DB_NAME) == sizeof(DB_NAME_LC));

  db_path = kpathsea_init_format (kpse, kpse_db_format);
  db_files = kpathsea_path_search_list_generic (kpse, db_path, db_names,
                                                true, true);
  orig_db_files = db_files;
  
  /* Mac OS X and others can use a case-insensitive, case-preserving
     filesystem by default, in which case ls-R and ls-r point to the
     same file.  Also, Windows is case-insensitive.  In these cases,
     we want to avoid reading the same file multiple times. */
  dbi = 0;
  unique_list = str_list_init ();
  
  while (db_files[dbi] != NULL) {
    string path1 = db_files[dbi];
    string path2 = db_files[dbi + 1];

    /* first-pass check in case path1/path2 aren't even
       potentially equal; mainly in case the order from
       kpathsea_path_search_list_generic changes. */
    if (path2
        && strcasecmp (path1, path2) == 0
        && same_file_p (path1, path2)) {
      /* they are the same, skip over path1, we'll add path2
         on the next iteration (when it's path1). */
#ifdef KPSE_DEBUG
      if (KPATHSEA_DEBUG_P (KPSE_DEBUG_HASH)) {
        DEBUGF2 ("db:init(): skipping db same_file_p %s, will add %s.\n",
                 path1, path2);
      }
#endif
      free (path1);

    } else {
     /* they are not the same, add path1.  */
#ifdef KPSE_DEBUG
      if (KPATHSEA_DEBUG_P (KPSE_DEBUG_HASH)) {
        DEBUGF1 ("db:init(): using db file %s.\n", path1);
      }
#endif
      str_list_add (&unique_list, path1);
    }

    /* could be more clever and increment by two, but then would
       have to avoid jumping off the end of db_files */
    dbi++;
  }
  
  /* always add a NULL terminator.  */
  str_list_add (&unique_list, NULL);
  
  free (orig_db_files);
  db_files = STR_LIST (unique_list);
  orig_db_files = db_files;

  /* Must do this after the path searching (which ends up calling
     kpse_db_search recursively), so kpse->db.buckets stays NULL.  */
  kpse->db = hash_create (DB_HASH_SIZE);

  while (db_files && *db_files) {
    if (db_build (kpse, &(kpse->db), *db_files))
      ok = true;
    free (*db_files);
    db_files++;
  }

  if (!ok) {
    /* If db can't be built, leave `size' nonzero (so we don't
       rebuild it), but clear `buckets' (so we don't look in it).  */
    free (kpse->db.buckets);
    kpse->db.buckets = NULL;
  }

  free (orig_db_files);

  /* Add the content of any alias databases.  There may exist more than
     one alias file along DB_NAME files.  This duplicates the above code
     -- should be a function.  */
  ok = false;
  db_files = kpathsea_all_path_search (kpse, db_path, ALIAS_NAME);
  orig_db_files = db_files;

  kpse->alias_db = hash_create (ALIAS_HASH_SIZE);

  while (db_files && *db_files) {
    if (alias_build (kpse, &(kpse->alias_db), *db_files))
      ok = true;
    free (*db_files);
    db_files++;
  }

  if (!ok) {
    free (kpse->alias_db.buckets);
    kpse->alias_db.buckets = NULL;
  }

  free (orig_db_files);
}