gimp/app/datafiles.c

170 lines
3.7 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* Datafiles module copyight (C) 1996 Federico Mena Quintero
* federico@nuclecu.unam.mx
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
#ifdef _MSC_VER
#ifndef S_ISDIR
#define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
#define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
#endif
#ifndef S_IXUSR
#define S_IXUSR _S_IEXEC
#endif
#endif
#include <glib.h>
#include "datafiles.h"
#include "errors.h"
#include "general.h"
#include "gimprc.h"
/***** Functions *****/
/*****/
static int filestat_valid = 0;
static struct stat filestat;
void
datafiles_read_directories (char *path_str,
datafile_loader_t loader_func,
int flags)
{
char *home;
char *local_path;
char *path;
char *filename;
char *token;
char *next_token;
int err;
DIR *dir;
struct dirent *dir_ent;
if (path_str == NULL)
return;
/* Set local path to contain temp_path, where (supposedly)
* there may be working files.
*/
home = g_get_home_dir ();
local_path = g_strdup (path_str);
/* Search through all directories in the local path */
next_token = local_path;
token = xstrsep(&next_token, G_SEARCHPATH_SEPARATOR_S);
while (token)
{
if (*token == '~')
{
path = g_malloc(strlen(home) + strlen(token) + 1);
sprintf(path, "%s%s", home, token + 1);
}
else
{
path = g_malloc(strlen(token) + 2);
strcpy(path, token);
} /* else */
/* Check if directory exists and if it has any items in it */
err = stat(path, &filestat);
if (!err && S_ISDIR(filestat.st_mode))
{
if (path[strlen(path) - 1] != G_DIR_SEPARATOR)
strcat(path, G_DIR_SEPARATOR_S);
/* Open directory */
dir = opendir(path);
if (!dir)
g_message ("error reading datafiles directory \"%s\"", path);
else
{
while ((dir_ent = readdir(dir)))
{
filename = g_strdup_printf("%s%s", path, dir_ent->d_name);
/* Check the file and see that it is not a sub-directory */
err = stat(filename, &filestat);
if (!err && S_ISREG(filestat.st_mode) &&
(!(flags & MODE_EXECUTABLE) || (filestat.st_mode & S_IXUSR)))
{
filestat_valid = 1;
(*loader_func) (filename);
filestat_valid = 0;
}
g_free(filename);
} /* while */
closedir(dir);
} /* else */
} /* if */
g_free(path);
token = xstrsep(&next_token, G_SEARCHPATH_SEPARATOR_S);
} /* while */
g_free(local_path);
} /* datafiles_read_directories */
time_t
datafile_atime ()
{
if (filestat_valid)
return filestat.st_atime;
return 0;
}
time_t
datafile_mtime ()
{
if (filestat_valid)
return filestat.st_mtime;
return 0;
}
time_t
datafile_ctime ()
{
if (filestat_valid)
return filestat.st_ctime;
return 0;
}