gimp/app/config/gimpconfig-file.c

139 lines
3.9 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* File Utitility functions for GimpConfig.
* Copyright (C) 2001-2003 Sven Neumann <sven@gimp.org>
*
* 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 <errno.h>
#include <sys/types.h>
#include <glib-object.h>
#include <glib/gstdio.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#ifdef G_OS_WIN32
#include "libgimpbase/gimpwin32-io.h"
#endif
#include "config-types.h"
#include "gimp-intl.h"
gboolean
gimp_config_file_copy (const gchar *source,
const gchar *dest,
GError **error)
{
gchar buffer[8192];
FILE *sfile;
FILE *dfile;
struct stat stat_buf;
gint nbytes;
sfile = g_fopen (source, "rb");
if (sfile == NULL)
{
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (source), g_strerror (errno));
return FALSE;
}
dfile = g_fopen (dest, "wb");
if (dfile == NULL)
{
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
_("Could not open '%s' for writing: %s"),
gimp_filename_to_utf8 (dest), g_strerror (errno));
fclose (sfile);
return FALSE;
}
while ((nbytes = fread (buffer, 1, sizeof (buffer), sfile)) > 0)
{
if (fwrite (buffer, 1, nbytes, dfile) < nbytes)
{
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
_("Error while writing '%s': %s"),
gimp_filename_to_utf8 (dest), g_strerror (errno));
fclose (sfile);
fclose (dfile);
return FALSE;
}
}
if (ferror (sfile))
{
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
_("Error while reading '%s': %s"),
gimp_filename_to_utf8 (source), g_strerror (errno));
fclose (sfile);
fclose (dfile);
return FALSE;
}
fclose (sfile);
if (fclose (dfile) == EOF)
{
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
_("Error while writing '%s': %s"),
gimp_filename_to_utf8 (dest), g_strerror (errno));
return FALSE;
}
if (g_stat (source, &stat_buf) == 0)
{
g_chmod (dest, stat_buf.st_mode);
}
return TRUE;
}
gboolean
gimp_config_file_backup_on_error (const gchar *filename,
const gchar *name,
GError **error)
{
gchar *backup;
gboolean success;
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (name != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
backup = g_strconcat (filename, "~", NULL);
success = gimp_config_file_copy (filename, backup, error);
if (success)
g_message (_("There was an error parsing your '%s' file. "
"Default values will be used. A backup of your "
"configuration has been created at '%s'."),
name, gimp_filename_to_utf8 (backup));
g_free (backup);
return success;
}