size_t dirname_part(char *to, const char *name, size_t *to_res_length)
{
  size_t length;
  DBUG_ENTER("dirname_part");
  DBUG_PRINT("enter",("'%s'",name));

  length=dirname_length(name);
  *to_res_length= (size_t) (convert_dirname(to, name, name+length) - to);
  DBUG_RETURN(length);
} /* dirname */
示例#2
0
uint dirname_part(my_string to, const char *name)
{
  uint length;
  DBUG_ENTER("dirname_part");
  DBUG_PRINT("enter",("'%s'",name));

  length=dirname_length(name);
  convert_dirname(to, name, name+length);
  DBUG_RETURN(length);
} /* dirname */
示例#3
0
void print_defaults(const char *conf_file, const char **groups)
{
#ifdef _WIN32
  bool have_ext=fn_ext(conf_file)[0] != 0;
#endif
  char name[FN_REFLEN];
  const char **dirs;
  puts("\nDefault options are read from the following files in the given order:");

  if (dirname_length(conf_file))
    fputs(conf_file,stdout);
  else
  {
#ifdef _WIN32
    GetWindowsDirectory(name,sizeof(name));
    printf("%s\\%s%s ",name,conf_file,have_ext ? "" : windows_ext);
#endif
#if defined(__EMX__) || defined(OS2)
    if (getenv("ETC"))
      printf("%s\\%s%s ", getenv("ETC"), conf_file, default_ext);
#endif
    for (dirs=default_directories ; *dirs; dirs++)
    {
      if (**dirs)
	strmov(name,*dirs);
      else if (defaults_extra_file)
	strmov(name,defaults_extra_file);
      else
	continue;
      convert_dirname(name);
      if (name[0] == FN_HOMELIB)	/* Add . to filenames in home */
	strcat(name,".");
      strxmov(strend(name),conf_file,default_ext," ",NullS);
      fputs(name,stdout);
    }
    puts("");
  }
  fputs("The following groups are read:",stdout);
  for ( ; *groups ; groups++)
  {
    fputc(' ',stdout);
    fputs(*groups,stdout);
  }
  puts("\nThe following options may be given as the first argument:\n\
--print-defaults	Print the program argument list and exit\n\
--no-defaults		Don't read default options from any options file\n\
--defaults-file=#	Only read default options from the given file #\n\
--defaults-extra-file=# Read this file after the global files are read");
}
示例#4
0
void my_print_default_files(const char *conf_file)
{
  const char *empty_list[]= { "", 0 };
  my_bool have_ext= fn_ext(conf_file)[0] != 0;
  const char **exts_to_use= have_ext ? empty_list : f_extensions;
  char name[FN_REFLEN], **ext;

  puts("\nDefault options are read from the following files in the given order:");

  if (dirname_length(conf_file))
    fputs(conf_file,stdout);
  else
  {
    const char **dirs;
    MEM_ROOT alloc;
    init_alloc_root(&alloc, 512, 0, MYF(0));

    if ((dirs= init_default_directories(&alloc)) == NULL)
    {
      fputs("Internal error initializing default directories list", stdout);
    }
    else
    {
      for ( ; *dirs; dirs++)
      {
        for (ext= (char**) exts_to_use; *ext; ext++)
        {
          const char *pos;
          char *end;
          if (**dirs)
            pos= *dirs;
          else if (my_defaults_extra_file)
            pos= my_defaults_extra_file;
          else
            continue;
          end= convert_dirname(name, pos, NullS);
          if (name[0] == FN_HOMELIB)	/* Add . to filenames in home */
            *end++= '.';
          strxmov(end, conf_file, *ext, " ", NullS);
          fputs(name, stdout);
        }
      }
    }

    free_root(&alloc, MYF(0));
  }
  puts("");
}
示例#5
0
文件: charset.c 项目: 55887MX/CCORE
char *get_charsets_dir(char *buf)
{
  const char *sharedir= SHAREDIR;
  char *res;
  DBUG_ENTER("get_charsets_dir");

  if (charsets_dir != NULL)
    strmake(buf, charsets_dir, FN_REFLEN-1);
  else
  {
    if (test_if_hard_path(sharedir) ||
	is_prefix(sharedir, DEFAULT_CHARSET_HOME))
      strxmov(buf, sharedir, "/", CHARSET_DIR, NullS);
    else
      strxmov(buf, DEFAULT_CHARSET_HOME, "/", sharedir, "/", CHARSET_DIR,
	      NullS);
  }
  res= convert_dirname(buf,buf,NullS);
  DBUG_PRINT("info",("charsets dir: '%s'", buf));
  DBUG_RETURN(res);
}
示例#6
0
文件: default.c 项目: isleon/Jaxer
void my_print_default_files(const char *conf_file)
{
  const char *empty_list[]= { "", 0 };
  my_bool have_ext= fn_ext(conf_file)[0] != 0;
  const char **exts_to_use= have_ext ? empty_list : f_extensions;
  char name[FN_REFLEN], **ext;
  const char **dirs;

  init_default_directories();
  puts("\nDefault options are read from the following files in the given order:");

  if (dirname_length(conf_file))
    fputs(conf_file,stdout);
  else
  {
    for (dirs=default_directories ; *dirs; dirs++)
    {
      for (ext= (char**) exts_to_use; *ext; ext++)
      {
	const char *pos;
	char *end;
	if (**dirs)
	  pos= *dirs;
	else if (my_defaults_extra_file)
	  pos= my_defaults_extra_file;
	else
	  continue;
	end= convert_dirname(name, pos, NullS);
	if (name[0] == FN_HOMELIB)	/* Add . to filenames in home */
	  *end++='.';
	strxmov(end, conf_file, *ext, " ", NullS);
	fputs(name,stdout);
      }
    }
  }
  puts("");
}
示例#7
0
文件: mf_pack.c 项目: OPSF/uClinux
my_string intern_filename(my_string to, const char *from)
{
#ifndef VMS
  {
    uint length;
    char buff[FN_REFLEN];
    if (from == to)
    {						/* Dirname may destroy from */
      strmov(buff,from);
      from=buff;
    }
    length=dirname_part(to,from);			/* Copy dirname & fix chars */
    (void) strcat(to,from+length);
    return (to);
  }
#else	/* VMS */

	/* change 'dev:[lib]xxx' to 'dev:lib/xxx' */
	/* change 'dev:xxx' to 'dev:xxx' */
	/* change 'dev:x/y/[.lib]' to 'dev:x/y/lib/ */
	/* change '[.lib]' to './lib/' */
	/* change '[x.y]' or '[x.][y]' or '[x][.y]' to '/x/y/' */
	/* change '[000000.x] or [x.000000]' to '/x/' */

  int par_length,root_length;
  my_string pos,from_pos,to_pos,end_pos;
  char buff[FN_REFLEN];

  convert_dirname(buff,from,NullS);		/* change '<>' to '[]' */
  from_pos=buff;
  if ((pos=strrchr(from_pos,FN_DEVCHAR)))	/* Skipp device part */
  {
    pos++;
    to_pos=strnmov(to,from_pos,(size_s) (pos-from_pos));
    from_pos=pos;
  }
  else
    to_pos=to;

  root_length=strlen(FN_C_ROOT_DIR);
  if ((pos = strchr(from_pos,FN_C_BEFORE_DIR)) &&
      (end_pos = strrchr(pos+1,FN_C_AFTER_DIR)))
  {
    to_pos=strnmov(to_pos,from_pos,(size_s) (pos-from_pos));
				/* Copy all between ':' and '[' */
    from_pos=pos+1;
    if (strinstr(from_pos,FN_C_ROOT_DIR) == 1 &&
	(from_pos[root_length] == FN_C_DIR_SEP ||
	 from_pos[root_length] == FN_C_AFTER_DIR))
    {
      from_pos+=root_length+1;
    }
    else if (*from_pos == FN_C_DIR_SEP)
      *(to_pos++) = FN_CURLIB;			/* Set ./ first */
    *(to_pos++) = FN_LIBCHAR;

    par_length=strlen(FN_C_PARENT_DIR);
    pos=to_pos;
    for (; from_pos <= end_pos ; from_pos++)
    {
      switch (*from_pos) {
      case FN_C_DIR_SEP:
      case FN_C_AFTER_DIR:
	if (pos != to_pos)
	{
	  if ((int) (to_pos-pos) == root_length &&
	      is_suffix(pos,FN_C_ROOT_DIR))
	    to_pos=pos;				/* remove root-pos */
	  else
	  {
	    *(to_pos++)=FN_LIBCHAR;		/* Find lib */
	    pos=to_pos;
	  }
	}
	break;
      case FN_C_BEFORE_DIR:
	break;
      case '-':					/* *(FN_C_PARENT_DIR): */
	if (to_pos[-1] == FN_LIBCHAR &&
	    strncmp(from_pos,FN_C_PARENT_DIR,par_length) == 0)
	{					/* Change '-' to '..' */
	  to_pos=strmov(to_pos,FN_PARENTDIR);
	  *(to_pos++)=FN_LIBCHAR;
	  pos=to_pos;
	  from_pos+=par_length-1;
	  break;
	}
	/* Fall through */
      default:
	*(to_pos++)= *from_pos;
	break;
      }
    }
  }
  (void) strmov(to_pos,from_pos);
  return (to);
#endif /* VMS */
} /* intern_filename */
示例#8
0
char * fn_format(char * to, const char *name, const char *dir,
		    const char *extension, uint flag)
{
  char dev[FN_REFLEN], buff[FN_REFLEN], *pos, *startpos;
  const char *ext;
  reg1 size_t length;
  size_t dev_length;
  my_bool not_used;
  DBUG_ENTER("fn_format");
  DBUG_ASSERT(name != NULL);
  DBUG_ASSERT(extension != NULL);
  DBUG_PRINT("enter",("name: %s  dir: %s  extension: %s  flag: %d",
		       name,dir,extension,flag));

  /* Copy and skip directory */
  name+=(length=dirname_part(dev, (startpos=(char *) name), &dev_length));
  if (length == 0 || (flag & MY_REPLACE_DIR))
  {
    DBUG_ASSERT(dir != NULL);
    /* Use given directory */
    convert_dirname(dev,dir,NullS);		/* Fix to this OS */
  }
  else if ((flag & MY_RELATIVE_PATH) && !test_if_hard_path(dev))
  {
    DBUG_ASSERT(dir != NULL);
    /* Put 'dir' before the given path */
    strmake(buff,dev,sizeof(buff)-1);
    pos=convert_dirname(dev,dir,NullS);
    strmake(pos,buff,sizeof(buff)-1- (int) (pos-dev));
  }

  if (flag & MY_PACK_FILENAME)
    pack_dirname(dev,dev);			/* Put in ./.. and ~/.. */
  if (flag & MY_UNPACK_FILENAME)
    (void) unpack_dirname(dev, dev, &not_used);	/* Replace ~/.. with dir */

  if (!(flag & MY_APPEND_EXT) &&
      (pos= (char*) strchr(name,FN_EXTCHAR)) != NullS)
  {
    if ((flag & MY_REPLACE_EXT) == 0)		/* If we should keep old ext */
    {
      length=strlength(name);			/* Use old extension */
      ext = "";
    }
    else
    {
      length= (size_t) (pos-(char*) name);	/* Change extension */
      ext= extension;
    }
  }
  else
  {
    length=strlength(name);			/* No ext, use the now one */
    ext=extension;
  }

  if (strlen(dev)+length+strlen(ext) >= FN_REFLEN || length >= FN_LEN )
  {
    /* To long path, return original or NULL */
    size_t tmp_length;
    if (flag & MY_SAFE_PATH)
      DBUG_RETURN(NullS);
    tmp_length= strlength(startpos);
    DBUG_PRINT("error",("dev: '%s'  ext: '%s'  length: %u",dev,ext,
                        (uint) length));
    (void) strmake(to, startpos, MY_MIN(tmp_length, FN_REFLEN-1));
  }
  else
  {
    if (to == startpos)
    {
      bmove(buff,(uchar*) name,length);		/* Save name for last copy */
      name=buff;
    }
    pos=strmake(strmov(to,dev),name,length);
    (void) strmov(pos,ext);			/* Don't convert extension */
  }
  /*
    If MY_RETURN_REAL_PATH and MY_RESOLVE_SYMLINK is given, only do
    realpath if the file is a symbolic link
  */
  if (flag & MY_RETURN_REAL_PATH)
    (void) my_realpath(to, to, MYF(flag & MY_RESOLVE_SYMLINKS ?
				   MY_RESOLVE_LINK: 0));
  else if (flag & MY_RESOLVE_SYMLINKS)
  {
    strmov(buff,to);
    (void) my_readlink(to, buff, MYF(0));
  }
  DBUG_RETURN(to);
} /* fn_format */
示例#9
0
static int search_default_file_with_ext(Process_option_func opt_handler,
                                        void *handler_ctx,
                                        const char *dir,
                                        const char *ext,
                                        const char *config_file,
                                        int recursion_level)
{
  char name[FN_REFLEN + 10], buff[4096], curr_gr[4096], *ptr, *end, **tmp_ext;
  char *value, option[4096+2], tmp[FN_REFLEN];
  static const char includedir_keyword[]= "includedir";
  static const char include_keyword[]= "include";
  const int max_recursion_level= 10;
  MYSQL_FILE *fp;
  uint line=0;
  my_bool found_group=0;
  uint i;
  MY_DIR *search_dir;
  FILEINFO *search_file;

  if ((dir ? strlen(dir) : 0 )+strlen(config_file) >= FN_REFLEN-3)
    return 0;					/* Ignore wrong paths */
  if (dir)
  {
    end=convert_dirname(name, dir, NullS);
    if (dir[0] == FN_HOMELIB)		/* Add . to filenames in home */
      *end++='.';
    strxmov(end,config_file,ext,NullS);
  }
  else
  {
    strmov(name,config_file);
  }
  fn_format(name,name,"","",4);
#if !defined(__WIN__)
  {
    MY_STAT stat_info;
    if (!my_stat(name,&stat_info,MYF(0)))
      return 1;
    /*
      Ignore world-writable regular files.
      This is mainly done to protect us to not read a file created by
      the mysqld server, but the check is still valid in most context. 
    */
    if ((stat_info.st_mode & S_IWOTH) &&
	(stat_info.st_mode & S_IFMT) == S_IFREG)
    {
      fprintf(stderr, "Warning: World-writable config file '%s' is ignored\n",
              name);
      return 0;
    }
  }
#endif
  if (!(fp= mysql_file_fopen(key_file_cnf, name, O_RDONLY, MYF(0))))
    return 1;					/* Ignore wrong files */

  while (mysql_file_fgets(buff, sizeof(buff) - 1, fp))
  {
    line++;
    /* Ignore comment and empty lines */
    for (ptr= buff; my_isspace(&my_charset_latin1, *ptr); ptr++)
    {}

    if (*ptr == '#' || *ptr == ';' || !*ptr)
      continue;

    /* Configuration File Directives */
    if (*ptr == '!')
    {
      if (recursion_level >= max_recursion_level)
      {
        for (end= ptr + strlen(ptr) - 1; 
             my_isspace(&my_charset_latin1, *(end - 1));
             end--)
        {}
        end[0]= 0;
        fprintf(stderr,
                "Warning: skipping '%s' directive as maximum include"
                "recursion level was reached in file %s at line %d\n",
                ptr, name, line);
        continue;
      }

      /* skip over `!' and following whitespace */
      for (++ptr; my_isspace(&my_charset_latin1, ptr[0]); ptr++)
      {}

      if ((!strncmp(ptr, includedir_keyword,
                    sizeof(includedir_keyword) - 1)) &&
          my_isspace(&my_charset_latin1, ptr[sizeof(includedir_keyword) - 1]))
      {
	if (!(ptr= get_argument(includedir_keyword,
                                sizeof(includedir_keyword),
                                ptr, name, line)))
	  goto err;

        if (!(search_dir= my_dir(ptr, MYF(MY_WME))))
          goto err;

        for (i= 0; i < (uint) search_dir->number_of_files; i++)
        {
          search_file= search_dir->dir_entry + i;
          ext= fn_ext(search_file->name);

          /* check extension */
          for (tmp_ext= (char**) f_extensions; *tmp_ext; tmp_ext++)
          {
            if (!strcmp(ext, *tmp_ext))
              break;
          }

          if (*tmp_ext)
          {
            fn_format(tmp, search_file->name, ptr, "",
                      MY_UNPACK_FILENAME | MY_SAFE_PATH);

            search_default_file_with_ext(opt_handler, handler_ctx, "", "", tmp,
                                         recursion_level + 1);
          }
        }

        my_dirend(search_dir);
      }
      else if ((!strncmp(ptr, include_keyword, sizeof(include_keyword) - 1)) &&
               my_isspace(&my_charset_latin1, ptr[sizeof(include_keyword)-1]))
      {
	if (!(ptr= get_argument(include_keyword,
                                sizeof(include_keyword), ptr,
                                name, line)))
	  goto err;

        search_default_file_with_ext(opt_handler, handler_ctx, "", "", ptr,
                                     recursion_level + 1);
      }

      continue;
    }

    if (*ptr == '[')				/* Group name */
    {
      found_group=1;
      if (!(end=(char *) strchr(++ptr,']')))
      {
	fprintf(stderr,
		"error: Wrong group definition in config file: %s at line %d\n",
		name,line);
	goto err;
      }
      /* Remove end space */
      for ( ; my_isspace(&my_charset_latin1,end[-1]) ; end--) ;
      end[0]=0;

      strmake(curr_gr, ptr, MY_MIN((size_t) (end-ptr)+1, sizeof(curr_gr)-1));

      /* signal that a new group is found */
      opt_handler(handler_ctx, curr_gr, NULL);

      continue;
    }
    if (!found_group)
    {
      fprintf(stderr,
	      "error: Found option without preceding group in config file: %s at line: %d\n",
	      name,line);
      goto err;
    }
    
   
    end= remove_end_comment(ptr);
    if ((value= strchr(ptr, '=')))
      end= value;				/* Option without argument */
    for ( ; my_isspace(&my_charset_latin1,end[-1]) ; end--) ;
    if (!value)
    {
      strmake(strmov(option,"--"),ptr, (size_t) (end-ptr));
      if (opt_handler(handler_ctx, curr_gr, option))
        goto err;
    }
    else
    {
      /* Remove pre- and end space */
      char *value_end;
      for (value++ ; my_isspace(&my_charset_latin1,*value); value++) ;
      value_end=strend(value);
      /*
	We don't have to test for value_end >= value as we know there is
	an '=' before
      */
      for ( ; my_isspace(&my_charset_latin1,value_end[-1]) ; value_end--) ;
      if (value_end < value)			/* Empty string */
	value_end=value;

      /* remove quotes around argument */
      if ((*value == '\"' || *value == '\'') && /* First char is quote */
          (value + 1 < value_end ) && /* String is longer than 1 */
          *value == value_end[-1] ) /* First char is equal to last char */
      {
	value++;
	value_end--;
      }
      ptr=strnmov(strmov(option,"--"),ptr,(size_t) (end-ptr));
      *ptr++= '=';

      for ( ; value != value_end; value++)
      {
	if (*value == '\\' && value != value_end-1)
	{
	  switch(*++value) {
	  case 'n':
	    *ptr++='\n';
	    break;
	  case 't':
	    *ptr++= '\t';
	    break;
	  case 'r':
	    *ptr++ = '\r';
	    break;
	  case 'b':
	    *ptr++ = '\b';
	    break;
	  case 's':
	    *ptr++= ' ';			/* space */
	    break;
	  case '\"':
	    *ptr++= '\"';
	    break;
	  case '\'':
	    *ptr++= '\'';
	    break;
	  case '\\':
	    *ptr++= '\\';
	    break;
	  default:				/* Unknown; Keep '\' */
	    *ptr++= '\\';
	    *ptr++= *value;
	    break;
	  }
	}
	else
	  *ptr++= *value;
      }
      *ptr=0;
      if (opt_handler(handler_ctx, curr_gr, option))
        goto err;
    }
  }
  mysql_file_fclose(fp, MYF(0));
  return(0);

 err:
  mysql_file_fclose(fp, MYF(0));
  return -1;					/* Fatal error */
}
示例#10
0
File create_temp_file(char *to, const char *dir, const char *prefix,
              int mode __attribute__((unused)),
              myf MyFlags __attribute__((unused)))
{
  File file= -1;
#ifdef __WIN__
  TCHAR path_buf[MAX_PATH-14];
#endif

  DBUG_ENTER("create_temp_file");
  DBUG_PRINT("enter", ("dir: %s, prefix: %s", dir, prefix));
#if defined (__WIN__)

   /*
     Use GetTempPath to determine path for temporary files.
     This is because the documentation for GetTempFileName
     has the following to say about this parameter:
     "If this parameter is NULL, the function fails."
   */
   if (!dir)
   {
     if (GetTempPath(sizeof(path_buf), path_buf) > 0)
       dir = path_buf;
   }
   /*
     Use GetTempFileName to generate a unique filename, create
     the file and release it's handle
      - uses up to the first three letters from prefix
   */
  if (GetTempFileName(dir, prefix, 0, to) == 0)
    DBUG_RETURN(-1);

  DBUG_PRINT("info", ("name: %s", to));

  /*
    Open the file without the "open only if file doesn't already exist"
    since the file has already been created by GetTempFileName
  */
  if ((file= my_open(to,  (mode & ~O_EXCL), MyFlags)) < 0)
  {
    /* Open failed, remove the file created by GetTempFileName */
    int tmp= my_errno;
    (void) my_delete(to, MYF(0));
    my_errno= tmp;
  }

#elif defined(HAVE_MKSTEMP)
  {
    char prefix_buff[30];
    uint pfx_len;
    File org_file;

    pfx_len= (uint) (strmov(strnmov(prefix_buff,
                    prefix ? prefix : "tmp.",
                    sizeof(prefix_buff)-7),"XXXXXX") -
             prefix_buff);
    if (!dir && ! (dir =getenv("TMPDIR")))
      dir=P_tmpdir;
    if (strlen(dir)+ pfx_len > FN_REFLEN-2)
    {
      errno=my_errno= ENAMETOOLONG;
      DBUG_RETURN(file);
    }
    strmov(convert_dirname(to,dir,NullS),prefix_buff);
    org_file=mkstemp(to);
    if (mode & O_TEMPORARY)
      (void) my_delete(to, MYF(MY_WME | ME_NOINPUT));
    file=my_register_filename(org_file, to, FILE_BY_MKSTEMP,
                  EE_CANTCREATEFILE, MyFlags);
    /* If we didn't manage to register the name, remove the temp file */
    if (org_file >= 0 && file < 0)
    {
      int tmp=my_errno;
      close(org_file);
      (void) my_delete(to, MYF(MY_WME | ME_NOINPUT));
      my_errno=tmp;
    }
  }
#elif defined(HAVE_TEMPNAM)
  {
    extern char **environ;

    char *res,**old_env,*temp_env[1];
    if (dir && !dir[0])
    {				/* Change empty string to current dir */
      to[0]= FN_CURLIB;
      to[1]= 0;
      dir=to;
    }

    old_env= (char**) environ;
    if (dir)
    {				/* Don't use TMPDIR if dir is given */
      environ=(const char**) temp_env;
      temp_env[0]=0;
    }

    if ((res=tempnam((char*) dir, (char*) prefix)))
    {
      strmake(to,res,FN_REFLEN-1);
      (*free)(res);
      file=my_create(to,0,
             (int) (O_RDWR | O_BINARY | O_TRUNC | O_EXCL | O_NOFOLLOW |
                O_TEMPORARY | O_SHORT_LIVED),
             MYF(MY_WME));
    }
    else
    {
      DBUG_PRINT("error",("Got error: %d from tempnam",errno));
    }

    environ=(const char**) old_env;
  }
#else
#error No implementation found for create_temp_file
#endif
  if (file >= 0)
    thread_safe_increment(my_tmp_file_created,&THR_LOCK_open);
  DBUG_RETURN(file);
}
示例#11
0
文件: myisamlog.c 项目: OPSF/uClinux
static int examine_log(my_string file_name, char **table_names)
{
  uint command,result,files_open;
  ulong access_time,length;
  my_off_t filepos;
  int lock_command,mi_result;
  char isam_file_name[FN_REFLEN],llbuff[21],llbuff2[21];
  uchar head[20];
  gptr	buff;
  struct test_if_open_param open_param;
  IO_CACHE cache;
  File file;
  FILE *write_file;
  enum ha_extra_function extra_command;
  TREE tree;
  struct file_info file_info,*curr_file_info;
  DBUG_ENTER("examine_log");

  if ((file=my_open(file_name,O_RDONLY,MYF(MY_WME))) < 0)
    DBUG_RETURN(1);
  write_file=0;
  if (write_filename)
  {
    if (!(write_file=my_fopen(write_filename,O_WRONLY,MYF(MY_WME))))
    {
      my_close(file,MYF(0));
      DBUG_RETURN(1);
    }
  }

  init_io_cache(&cache,file,0,READ_CACHE,start_offset,0,MYF(0));
  bzero((gptr) com_count,sizeof(com_count));
  init_tree(&tree,0,0,sizeof(file_info),(qsort_cmp2) file_info_compare,1,
	    (tree_element_free) file_info_free, NULL);
  VOID(init_key_cache(KEY_CACHE_SIZE));

  files_open=0; access_time=0;
  while (access_time++ != number_of_commands &&
	 !my_b_read(&cache,(byte*) head,9))
  {
    isamlog_filepos=my_b_tell(&cache)-9L;
    file_info.filenr= mi_uint2korr(head+1);
    isamlog_process=file_info.process=(long) mi_uint4korr(head+3);
    if (!opt_processes)
      file_info.process=0;
    result= mi_uint2korr(head+7);
    if ((curr_file_info=(struct file_info*) tree_search(&tree,&file_info)))
    {
      curr_file_info->accessed=access_time;
      if (update && curr_file_info->used && curr_file_info->closed)
      {
	if (reopen_closed_file(&tree,curr_file_info))
	{
	  command=sizeof(com_count)/sizeof(com_count[0][0])/3;
	  result=0;
	  goto com_err;
	}
      }
    }
    command=(uint) head[0];
    if (command < sizeof(com_count)/sizeof(com_count[0][0])/3 &&
	(!table_names[0] || (curr_file_info && curr_file_info->used)))
    {
      com_count[command][0]++;
      if (result)
	com_count[command][1]++;
    }
    switch ((enum myisam_log_commands) command) {
    case MI_LOG_OPEN:
      if (!table_names[0])
      {
	com_count[command][0]--;		/* Must be counted explicite */
	if (result)
	  com_count[command][1]--;
      }

      if (curr_file_info)
	printf("\nWarning: %s is opened with same process and filenumber\nMaybe you should use the -P option ?\n",
	       curr_file_info->show_name);
      if (my_b_read(&cache,(byte*) head,2))
	goto err;
      file_info.name=0;
      file_info.show_name=0;
      file_info.record=0;
      if (read_string(&cache,(gptr*) &file_info.name,
		      (uint) mi_uint2korr(head)))
	goto err;
      {
	uint i;
	char *pos,*to;

	/* Fix if old DOS files to new format */
	for (pos=file_info.name; (pos=strchr(pos,'\\')) ; pos++)
	  *pos= '/';

	pos=file_info.name;
	for (i=0 ; i < prefix_remove ; i++)
	{
	  char *next;
	  if (!(next=strchr(pos,'/')))
	    break;
	  pos=next+1;
	}
	to=isam_file_name;
	if (filepath)
	  to=convert_dirname(isam_file_name,filepath,NullS);
	strmov(to,pos);
	fn_ext(isam_file_name)[0]=0;	/* Remove extension */
      }
      open_param.name=file_info.name;
      open_param.max_id=0;
      VOID(tree_walk(&tree,(tree_walk_action) test_if_open,(void*) &open_param,
		     left_root_right));
      file_info.id=open_param.max_id+1;
      /*
       * In the line below +10 is added to accomodate '<' and '>' chars
       * plus '\0' at the end, so that there is place for 7 digits.
       * It is  improbable that same table can have that many entries in 
       * the table cache.
       * The additional space is needed for the sprintf commands two lines
       * below.
       */ 
      file_info.show_name=my_memdup(isam_file_name,
				    (uint) strlen(isam_file_name)+10,
				    MYF(MY_WME));
      if (file_info.id > 1)
	sprintf(strend(file_info.show_name),"<%d>",file_info.id);
      file_info.closed=1;
      file_info.accessed=access_time;
      file_info.used=1;
      if (table_names[0])
      {
	char **name;
	file_info.used=0;
	for (name=table_names ; *name ; name++)
	{
	  if (!strcmp(*name,isam_file_name))
	    file_info.used=1;			/* Update/log only this */
	}
      }
      if (update && file_info.used)
      {
	if (files_open >= max_files)
	{
	  if (close_some_file(&tree))
	    goto com_err;
	  files_open--;
	}
	if (!(file_info.isam= mi_open(isam_file_name,O_RDWR,
				      HA_OPEN_WAIT_IF_LOCKED)))
	  goto com_err;
	if (!(file_info.record=my_malloc(file_info.isam->s->base.reclength,
					 MYF(MY_WME))))
	  goto end;
	files_open++;
	file_info.closed=0;
	if (opt_myisam_with_debug)
	  file_info.isam->s->rnd= 0;
	else
	  file_info.isam->s->rnd= isamlog_process;
      }
      VOID(tree_insert(&tree,(gptr) &file_info,0));
      if (file_info.used)
      {
	if (verbose && !record_pos_file)
	  printf_log("%s: open -> %d",file_info.show_name, file_info.filenr);
	com_count[command][0]++;
	if (result)
	  com_count[command][1]++;
      }
      break;
    case MI_LOG_CLOSE:
      if (verbose && !record_pos_file &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
	printf_log("%s: %s -> %d",FILENAME(curr_file_info),
	       command_name[command],result);
      if (curr_file_info)
      {
	if (!curr_file_info->closed)
	  files_open--;
	VOID(tree_delete(&tree,(gptr) curr_file_info));
      }
      break;
    case MI_LOG_EXTRA:
      if (my_b_read(&cache,(byte*) head,1))
	goto err;
      extra_command=(enum ha_extra_function) head[0];
      if (verbose && !record_pos_file &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
	printf_log("%s: %s(%d) -> %d",FILENAME(curr_file_info),
		   command_name[command], (int) extra_command,result);
      if (update && curr_file_info && !curr_file_info->closed)
      {
	if (mi_extra(curr_file_info->isam, extra_command, 0) != (int) result)
	{
	  fflush(stdout);
	  VOID(fprintf(stderr,
		       "Warning: error %d, expected %d on command %s at %s\n",
		       my_errno,result,command_name[command],
		       llstr(isamlog_filepos,llbuff)));
	  fflush(stderr);
	}
      }
      break;
    case MI_LOG_DELETE:
      if (my_b_read(&cache,(byte*) head,8))
	goto err;
      filepos=mi_sizekorr(head);
      if (verbose && (!record_pos_file ||
		      ((record_pos == filepos || record_pos == NO_FILEPOS) &&
		       !cmp_filename(curr_file_info,record_pos_file))) &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
	printf_log("%s: %s at %ld -> %d",FILENAME(curr_file_info),
		   command_name[command],(long) filepos,result);
      if (update && curr_file_info && !curr_file_info->closed)
      {
	if (mi_rrnd(curr_file_info->isam,curr_file_info->record,filepos))
	{
	  if (!recover)
	    goto com_err;
	  if (verbose)
	    printf_log("error: Didn't find row to delete with mi_rrnd");
	  com_count[command][2]++;		/* Mark error */
	}
	mi_result=mi_delete(curr_file_info->isam,curr_file_info->record);
	if ((mi_result == 0 && result) ||
	    (mi_result && (uint) my_errno != result))
	{
	  if (!recover)
	    goto com_err;
	  if (mi_result)
	    com_count[command][2]++;		/* Mark error */
	  if (verbose)
	    printf_log("error: Got result %d from mi_delete instead of %d",
		       mi_result, result);
	}
      }
      break;
    case MI_LOG_WRITE:
    case MI_LOG_UPDATE:
      if (my_b_read(&cache,(byte*) head,12))
	goto err;
      filepos=mi_sizekorr(head);
      length=mi_uint4korr(head+8);
      buff=0;
      if (read_string(&cache,&buff,(uint) length))
	goto err;
      if ((!record_pos_file ||
	  ((record_pos == filepos || record_pos == NO_FILEPOS) &&
	   !cmp_filename(curr_file_info,record_pos_file))) &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
      {
	if (write_file &&
	    (my_fwrite(write_file,buff,length,MYF(MY_WAIT_IF_FULL | MY_NABP))))
	  goto end;
	if (verbose)
	  printf_log("%s: %s at %ld, length=%ld -> %d",
		     FILENAME(curr_file_info),
		     command_name[command], filepos,length,result);
      }
      if (update && curr_file_info && !curr_file_info->closed)
      {
	if (curr_file_info->isam->s->base.blobs)
	  fix_blob_pointers(curr_file_info->isam,buff);
	if ((enum myisam_log_commands) command == MI_LOG_UPDATE)
	{
	  if (mi_rrnd(curr_file_info->isam,curr_file_info->record,filepos))
	  {
	    if (!recover)
	    {
	      result=0;
	      goto com_err;
	    }
	    if (verbose)
	      printf_log("error: Didn't find row to update with mi_rrnd");
	    if (recover == 1 || result ||
		find_record_with_key(curr_file_info,buff))
	    {
	      com_count[command][2]++;		/* Mark error */
	      break;
	    }
	  }
	  mi_result=mi_update(curr_file_info->isam,curr_file_info->record,
			      buff);
	  if ((mi_result == 0 && result) ||
	      (mi_result && (uint) my_errno != result))
	  {
	    if (!recover)
	      goto com_err;
	    if (verbose)
	      printf_log("error: Got result %d from mi_update instead of %d",
			 mi_result, result);
	    if (mi_result)
	      com_count[command][2]++;		/* Mark error */
	  }
	}
	else
	{
	  mi_result=mi_write(curr_file_info->isam,buff);
	  if ((mi_result == 0 && result) ||
	      (mi_result && (uint) my_errno != result))
	  {
	    if (!recover)
	      goto com_err;
	    if (verbose)
	      printf_log("error: Got result %d from mi_write instead of %d",
			 mi_result, result);
	    if (mi_result)
	      com_count[command][2]++;		/* Mark error */
	  }
	  if (!recover && filepos != curr_file_info->isam->lastpos)
	  {
	    printf("error: Wrote at position: %s, should have been %s",
		   llstr(curr_file_info->isam->lastpos,llbuff),
		   llstr(filepos,llbuff2));
	    goto end;
	  }
	}
      }
      my_free(buff,MYF(0));
      break;
    case MI_LOG_LOCK:
      if (my_b_read(&cache,(byte*) head,sizeof(lock_command)))
	goto err;
      memcpy_fixed(&lock_command,head,sizeof(lock_command));
      if (verbose && !record_pos_file &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
	printf_log("%s: %s(%d) -> %d\n",FILENAME(curr_file_info),
		   command_name[command],lock_command,result);
      if (update && curr_file_info && !curr_file_info->closed)
      {
	if (mi_lock_database(curr_file_info->isam,lock_command) !=
	    (int) result)
	  goto com_err;
      }
      break;
    case MI_LOG_DELETE_ALL:
      if (verbose && !record_pos_file &&
	  (!table_names[0] || (curr_file_info && curr_file_info->used)))
	printf_log("%s: %s -> %d\n",FILENAME(curr_file_info),
		   command_name[command],result);
      break;
    default:
      fflush(stdout);
      VOID(fprintf(stderr,
		   "Error: found unknown command %d in logfile, aborted\n",
		   command));
      fflush(stderr);
      goto end;
    }
  }
  end_key_cache();
  delete_tree(&tree);
  VOID(end_io_cache(&cache));
  VOID(my_close(file,MYF(0)));
  if (write_file && my_fclose(write_file,MYF(MY_WME)))
    DBUG_RETURN(1);
  DBUG_RETURN(0);

 err:
  fflush(stdout);
  VOID(fprintf(stderr,"Got error %d when reading from logfile\n",my_errno));
  fflush(stderr);
  goto end;
 com_err:
  fflush(stdout);
  VOID(fprintf(stderr,"Got error %d, expected %d on command %s at %s\n",
	       my_errno,result,command_name[command],
	       llstr(isamlog_filepos,llbuff)));
  fflush(stderr);
 end:
  end_key_cache();
  delete_tree(&tree);
  VOID(end_io_cache(&cache));
  VOID(my_close(file,MYF(0)));
  if (write_file)
    VOID(my_fclose(write_file,MYF(MY_WME)));
  DBUG_RETURN(1);
}
示例#12
0
static my_bool search_default_file(DYNAMIC_ARRAY *args, MEM_ROOT *alloc,
				   const char *dir, const char *config_file,
				   const char *ext, TYPELIB *group)
{
  char name[FN_REFLEN+10],buff[4096],*ptr,*end,*value,*tmp;
  FILE *fp;
  uint line=0;
  my_bool read_values=0,found_group=0;

  if ((dir ? strlen(dir) : 0 )+strlen(config_file) >= FN_REFLEN-3)
    return 0;					/* Ignore wrong paths */
  if (dir)
  {
    strmov(name,dir);
    convert_dirname(name);
    if (dir[0] == FN_HOMELIB)		/* Add . to filenames in home */
      strcat(name,".");
    strxmov(strend(name),config_file,ext,NullS);
  }
  else
  {
    strmov(name,config_file);
  }
  fn_format(name,name,"","",4);
#if !defined(_WIN32) && !defined(OS2)
  {
    MY_STAT stat_info;
    if (!my_stat(name,&stat_info,MYF(0)))
      return 0;
    if (stat_info.st_mode & S_IWOTH) /* ignore world-writeable files */
    {
      fprintf(stderr, "warning: World-writeable config file %s is ignored\n",
              name);
      return 0;
    }
  }
#endif
  if (!(fp = my_fopen(fn_format(name,name,"","",4),O_RDONLY,MYF(0))))
    return 0;					/* Ignore wrong files */

  while (fgets(buff,sizeof(buff)-1,fp))
  {
    line++;
    /* Ignore comment and empty lines */
    for (ptr=buff ; isspace(*ptr) ; ptr++ ) ;
    if (*ptr == '#' || *ptr == ';' || !*ptr)
      continue;
    if (*ptr == '[')				/* Group name */
    {
      found_group=1;
      if (!(end=(char *) strchr(++ptr,']')))
      {
	fprintf(stderr,
		"error: Wrong group definition in config file: %s at line %d\n",
		name,line);
	goto err;
      }
      for ( ; isspace(end[-1]) ; end--) ;	/* Remove end space */
      end[0]=0;
      read_values=find_type(ptr,group,3) > 0;
      continue;
    }
    if (!found_group)
    {
      fprintf(stderr,
	      "error: Found option without preceding group in config file: %s at line: %d\n",
	      name,line);
      goto err;
    }
    if (!read_values)
      continue;
    if (!(end=value=strchr(ptr,'=')))
      end=strend(ptr);				/* Option without argument */
    for ( ; isspace(end[-1]) ; end--) ;
    if (!value)
    {
      if (!(tmp=alloc_root(alloc,(uint) (end-ptr)+3)))
	goto err;
      strmake(strmov(tmp,"--"),ptr,(uint) (end-ptr));
      if (insert_dynamic(args,(gptr) &tmp))
	goto err;
    }
    else
    {
      /* Remove pre- and end space */
      char *value_end;
      for (value++ ; isspace(*value); value++) ;
      value_end=strend(value);
      for ( ; isspace(value_end[-1]) ; value_end--) ;
      if (value_end < value)			/* Empty string */
	value_end=value;
      if (!(tmp=alloc_root(alloc,(uint) (end-ptr)+3 +
			   (uint) (value_end-value)+1)))
	goto err;
      if (insert_dynamic(args,(gptr) &tmp))
	goto err;
      ptr=strnmov(strmov(tmp,"--"),ptr,(uint) (end-ptr));
      *ptr++= '=';
      for ( ; value != value_end; value++)
      {
	if (*value == '\\' && value != value_end-1)
	{
	  switch(*++value) {
	  case 'n':
	    *ptr++='\n';
	    break;
	  case 't':
	    *ptr++= '\t';
	    break;
	  case 'r':
	    *ptr++ = '\r';
	    break;
	  case 'b':
	    *ptr++ = '\b';
	    break;
	  case 's':
	    *ptr++= ' ';			/* space */
	    break;
	  case '\\':
	    *ptr++= '\\';
	    break;
	  default:				/* Unknown; Keep '\' */
	    *ptr++= '\\';
	    *ptr++= *value;
	    break;
	  }
	}
	else
	  *ptr++= *value;
      }
      *ptr=0;
    }
  }
  my_fclose(fp,MYF(0));
  return(0);

 err:
  my_fclose(fp,MYF(0));
  return 1;
}
示例#13
0
File create_temp_file(char *to, const char *dir, const char *prefix,
		      int mode __attribute__((unused)),
		      myf MyFlags __attribute__((unused)))
{
  File file= -1;
  DBUG_ENTER("create_temp_file");
#if defined(_MSC_VER)
  {
    char temp[FN_REFLEN],*end,*res,**old_env,*temp_env[1];
    old_env=environ;
    if (dir)
    {
      end=strend(dir)-1;
      if (!dir[0])
      {				/* Change empty string to current dir */
	to[0]= FN_CURLIB;
	to[1]= 0;
	dir=to;
      }
      else if (*end == FN_DEVCHAR)
      {				/* Get current dir for drive */
	_fullpath(temp,dir,FN_REFLEN);
	dir=to;
      }
      else if (*end == FN_LIBCHAR && dir < end && end[-1] != FN_DEVCHAR)
      {
	strmake(to,dir,(uint) (end-dir));	/* Copy and remove last '\' */
	dir=to;
      }
      environ=temp_env;		/* Force use of dir (dir not checked) */
      temp_env[0]=0;
    }
    if ((res=tempnam((char*) dir,(char *) prefix)))
    {
      strmake(to,res,FN_REFLEN-1);
      (*free)(res);
      file=my_create(to,0, mode, MyFlags);
    }
    environ=old_env;
  }
#elif defined(_ZTC__)
  if (!dir)
    dir=getenv("TMPDIR");
  if ((res=tempnam((char*) dir,(char *) prefix)))
  {
    strmake(to,res,FN_REFLEN-1);
    (*free)(res);
    file=my_create(to, 0, mode, MyFlags);
  }
#elif defined(HAVE_MKSTEMP)
  {
    char prefix_buff[30];
    uint pfx_len;
    File org_file;

    pfx_len=(strmov(strnmov(prefix_buff,
			    prefix ? prefix : "tmp.",
			    sizeof(prefix_buff)-7),"XXXXXX") - prefix_buff);
    if (!dir && ! (dir =getenv("TMPDIR")))
      dir=P_tmpdir;
    if (strlen(dir)+ pfx_len > FN_REFLEN-2)
    {
      errno=my_errno= ENAMETOOLONG;
      return 1;
    }
    strmov(to,dir);
    strmov(convert_dirname(to),prefix_buff);
    org_file=mkstemp(to);
    file=my_register_filename(org_file, to, FILE_BY_MKSTEMP,
			      EE_CANTCREATEFILE, MyFlags);
    /* If we didn't manage to register the name, remove the temp file */
    if (org_file >= 0 && file < 0)
    {
      int tmp=my_errno;
      (void) my_delete(to, MYF(MY_WME | ME_NOINPUT));
      my_errno=tmp;
    }
  }
#elif defined(HAVE_TEMPNAM)
  {
    char *res,**old_env,*temp_env[1];
    if (dir && !dir[0])
    {				/* Change empty string to current dir */
      to[0]= FN_CURLIB;
      to[1]= 0;
      dir=to;
    }
#ifdef OS2
    // changing environ variable doesn't work with VACPP
    char  buffer[256];
    sprintf( buffer, "TMP=%s", dir);
    // remove ending backslash
    if (buffer[strlen(buffer)-1] == '\\')
       buffer[strlen(buffer)-1] = '\0';
    putenv( buffer);
#else
    old_env= (char**) environ;
    if (dir)
    {				/* Don't use TMPDIR if dir is given */
      environ=(const char**) temp_env;
      temp_env[0]=0;
    }
#endif
    if ((res=tempnam((char*) dir, (char*) prefix)))
    {    
      strmake(to,res,FN_REFLEN-1);
      (*free)(res);
      file=my_create(to,0,
		     (int) (O_RDWR | O_BINARY | O_TRUNC |
			    O_TEMPORARY | O_SHORT_LIVED),
		     MYF(MY_WME));

    }
    else
    {
      DBUG_PRINT("error",("Got error: %d from tempnam",errno));
    }
#ifndef OS2
    environ=(const char**) old_env;
#endif
  }
#else
  {
    register long uniq;
    register int length;
    my_string pos,end_pos;
    /* Make an unique number */
    pthread_mutex_lock(&THR_LOCK_open);
    uniq= ((long) getpid() << 20) + (long) _my_tempnam_used++ ;
    pthread_mutex_unlock(&THR_LOCK_open);
    if (!dir && !(dir=getenv("TMPDIR")))	/* Use this if possibly */
      dir=P_tmpdir;			/* Use system default */
    length=strlen(dir)+strlen(pfx)+1;

    DBUG_PRINT("test",("mallocing %d byte",length+8+sizeof(TMP_EXT)+1));
    if (length+8+sizeof(TMP_EXT)+1 > FN_REFLENGTH)
      errno=my_errno= ENAMETOOLONG;
    else
    {
      end_pos=strmov(to,dir);
      if (end_pos != to && end_pos[-1] != FN_LIBCHAR)
	*end_pos++=FN_LIBCHAR;
      end_pos=strmov(end_pos,pfx);
      
      for (length=0 ; length < 8 && uniq ; length++)
      {
	*end_pos++= _dig_vec[(int) (uniq & 31)];
	uniq >>= 5;
      }
      (void) strmov(end_pos,TMP_EXT);
      file=my_create(to,0,
		     (int) (O_RDWR | O_BINARY | O_TRUNC |
			    O_TEMPORARY | O_SHORT_LIVED),
		     MYF(MY_WME));
    }
  }
#endif
  if (file >= 0)
    thread_safe_increment(my_tmp_file_created,&THR_LOCK_open);
  DBUG_RETURN(file);
}
示例#14
0
File create_temp_file(char *to, const char *dir, const char *prefix,
                      int mode, myf MyFlags)
{
    File file= -1;
#ifdef _WIN32
    TCHAR path_buf[MAX_PATH-14];
#endif

    DBUG_ENTER("create_temp_file");
    DBUG_PRINT("enter", ("dir: %s, prefix: %s", dir, prefix));
#if defined(_WIN32)

    /*
      Use GetTempPath to determine path for temporary files.
      This is because the documentation for GetTempFileName
      has the following to say about this parameter:
      "If this parameter is NULL, the function fails."
    */
    if (!dir)
    {
        if(GetTempPath(sizeof(path_buf), path_buf) > 0)
            dir = path_buf;
    }
    /*
      Use GetTempFileName to generate a unique filename, create
      the file and release it's handle
       - uses up to the first three letters from prefix
    */
    if (GetTempFileName(dir, prefix, 0, to) == 0)
        DBUG_RETURN(-1);

    DBUG_PRINT("info", ("name: %s", to));

    /*
      Open the file without the "open only if file doesn't already exist"
      since the file has already been created by GetTempFileName
    */
    if ((file= my_open(to,  (mode & ~O_EXCL), MyFlags)) < 0)
    {
        /* Open failed, remove the file created by GetTempFileName */
        int tmp= my_errno();
        (void) my_delete(to, MYF(0));
        set_my_errno(tmp);
    }

#else /* mkstemp() is available on all non-Windows supported platforms. */
    {
        char prefix_buff[30];
        uint pfx_len;
        File org_file;

        pfx_len= (uint) (my_stpcpy(my_stpnmov(prefix_buff,
                                              prefix ? prefix : "tmp.",
                                              sizeof(prefix_buff)-7),"XXXXXX") -
                         prefix_buff);
        if (!dir && ! (dir =getenv("TMPDIR")))
            dir= DEFAULT_TMPDIR;
        if (strlen(dir)+ pfx_len > FN_REFLEN-2)
        {
            errno=ENAMETOOLONG;
            set_my_errno(ENAMETOOLONG);
            DBUG_RETURN(file);
        }
        my_stpcpy(convert_dirname(to,dir,NullS),prefix_buff);
        org_file=mkstemp(to);
        if (mode & O_TEMPORARY)
            (void) my_delete(to, MYF(MY_WME));
        file=my_register_filename(org_file, to, FILE_BY_MKSTEMP,
                                  EE_CANTCREATEFILE, MyFlags);
        /* If we didn't manage to register the name, remove the temp file */
        if (org_file >= 0 && file < 0)
        {
            int tmp=my_errno();
            close(org_file);
            (void) my_delete(to, MYF(MY_WME));
            set_my_errno(tmp);
        }
    }
#endif
    if (file >= 0)
    {
        mysql_mutex_lock(&THR_LOCK_open);
        my_tmp_file_created++;
        mysql_mutex_unlock(&THR_LOCK_open);
    }
    DBUG_RETURN(file);
}
示例#15
0
my_string fn_format(my_string to, const char *name, const char *dsk,
		    const char *form, int flag)
{
  reg1 uint length;
  char dev[FN_REFLEN], buff[BUFF_LEN], *pos, *startpos;
  const char *ext;
  DBUG_ENTER("fn_format");
  DBUG_PRINT("enter",("name: %s  dsk: %s  form: %s  flag: %d",
		       name,dsk,form,flag));

	/* Kopiera & skippa enheten */
  name+=(length=dirname_part(dev,(startpos=(my_string) name)));
  if (length == 0 || flag & 1)
  {
    (void) strmake(dev,dsk, sizeof(dev) - 2);
      /* Use given directory */
    convert_dirname(dev);			/* Fix to this OS */
  }
  if (flag & 8)
    pack_dirname(dev,dev);			/* Put in ./.. and ~/.. */
  if (flag & 4)
    (void) unpack_dirname(dev,dev);		/* Replace ~/.. with dir */
  if ((pos=(char*)strchr(name,FN_EXTCHAR)) != NullS)
  {
    if ((flag & 2) == 0)			/* Skall vi byta extension ? */
    {
      length=strlength(name);			/* Old extension */
      ext = "";
    }
    else
    {
      length=(uint) (pos-(char*) name);		/* Change extension */
      ext= form;
    }
  }
  else
  {
    length=strlength(name);			/* Har ingen ext- tag nya */
    ext=form;
  }

  if (strlen(dev)+length+strlen(ext) >= FN_REFLEN || length >= FN_LEN )
  {				/* To long path, return original */
    uint tmp_length;
    if (flag & 64)
      return 0;
    tmp_length=strlength(startpos);
    DBUG_PRINT("error",("dev: '%s'  ext: '%s'  length: %d",dev,ext,length));
    (void) strmake(to,startpos,min(tmp_length,FN_REFLEN-1));
  }
  else
  {
    if (to == startpos)
    {
      bmove(buff,(char*) name,length);		/* Save name for last copy */
      name=buff;
    }
    pos=strmake(strmov(to,dev),name,length);
#ifdef FN_UPPER_CASE
    caseup_str(to);
#endif
#ifdef FN_LOWER_CASE
    casedn_str(to);
#endif
    (void) strmov(pos,ext);			/* Don't convert extension */
  }
  /* Purify gives a lot of UMR errors when using realpath */
#if defined(HAVE_REALPATH) && !defined(HAVE_purify) && !defined(HAVE_BROKEN_REALPATH)
  if (flag & 16)
  {
    struct stat stat_buff;
    if (flag & 32 || (!lstat(to,&stat_buff) && S_ISLNK(stat_buff.st_mode)))
    {
      if (realpath(to,buff))
	strmake(to,buff,FN_REFLEN-1);
    }
  }
#endif
  DBUG_RETURN (to);
} /* fn_format */
示例#16
0
void print_defaults(const char *conf_file, const char **groups)
{
#ifdef __WIN__
  my_bool have_ext= fn_ext(conf_file)[0] != 0;
#endif
  char name[FN_REFLEN], **ext;
  const char **dirs;

  puts("\nDefault options are read from the following files in the given order:");

  if (dirname_length(conf_file))
    fputs(conf_file,stdout);
  else
  {
#ifdef __WIN__
    GetWindowsDirectory(name,sizeof(name));
    if (!have_ext)
    {
      for (ext= (char**) f_extensions; *ext; *ext++)
        printf("%s\\%s%s ", name, conf_file, *ext);
    }
    else
        printf("%s\\%s ", name, conf_file);
#endif
#if defined(__EMX__) || defined(OS2)
    {
      const char *etc;

      if ((etc= getenv("ETC")))
      {
	for (ext= (char**) f_extensions; *ext; *ext++)
	  printf("%s\\%s%s ", etc, conf_file, *ext);
      }
    }
#endif
    for (dirs=default_directories ; *dirs; dirs++)
    {
      for (ext= (char**) f_extensions; *ext; *ext++)
      {
	const char *pos;
	char *end;
	if (**dirs)
	  pos= *dirs;
	else if (defaults_extra_file)
	  pos= defaults_extra_file;
	else
	  continue;
	end= convert_dirname(name, pos, NullS);
	if (name[0] == FN_HOMELIB)	/* Add . to filenames in home */
	  *end++='.';
	strxmov(end, conf_file, *ext, " ", NullS);
	fputs(name,stdout);
      }
    }
    puts("");
  }
  fputs("The following groups are read:",stdout);
  for ( ; *groups ; groups++)
  {
    fputc(' ',stdout);
    fputs(*groups,stdout);
  }
  puts("\nThe following options may be given as the first argument:\n\
--print-defaults	Print the program argument list and exit\n\
--no-defaults		Don't read default options from any options file\n\
--defaults-file=#	Only read default options from the given file #\n\
--defaults-extra-file=# Read this file after the global files are read");
}