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Bug 523562 - gtk-update-icon-cache core dumps when run concurrently and

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2008-05-25  Cody Russell  <bratsche@gnome.org>

        Bug 523562 - gtk-update-icon-cache core dumps when run concurrently and
        when options are missing

        * gtk/updateiconcache.c: Open the cache file (O_CREAT | O_EXCL) so     
        that other processes that try to open it will fail gracefully.  Also
        fix a crasher caused by lack of a NULL check.  Report and patch
        by Erwann Chenede.


svn path=/trunk/; revision=20167
This commit is contained in:
Cody Russell 2008-05-25 23:41:43 +00:00 committed by Cody Russell
parent 4f84a5f292
commit 6b06d71c2a
2 changed files with 34 additions and 4 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
2008-05-25 Cody Russell <bratsche@gnome.org>
Bug 523562 - gtk-update-icon-cache core dumps when run concurrently and
when options are missing
* gtk/updateiconcache.c: Open the cache file (O_CREAT | O_EXCL) so
that other processes that try to open it will fail gracefully. Also
fix a crasher caused by lack of a NULL check. Report and patch
by Erwann Chenede.
2008-05-25 Cody Russell <bratsche@gnome.org>
Bug 526635 - _gdk_window_get_toplevel handles FOREIGN windows

28
gtk/updateiconcache.c
View File

@ -25,6 +25,7 @@
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
@ -1435,16 +1436,25 @@ build_cache (const gchar *path)
struct stat path_stat, cache_stat;
struct utimbuf utime_buf;
GList *directories = NULL;
int fd;
mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
tmp_cache_path = g_build_filename (path, "."CACHE_NAME, NULL);
cache = g_fopen (tmp_cache_path, "wb");
if ((fd = open (tmp_cache_path, O_WRONLY | O_CREAT | O_EXCL | O_TRUNC, mode)) == -1)
{
g_printerr (_("Failed to open file %s : %s\n"), tmp_cache_path, g_strerror (errno));
exit (1);
}
cache = fdopen (fd, "wb");
if (!cache)
{
g_printerr (_("Failed to write cache file: %s\n"), g_strerror (errno));
exit (1);
}
files = g_hash_table_new (g_str_hash, g_str_equal);
image_data_hash = g_hash_table_new (g_str_hash, g_str_equal);
icon_data_hash = g_hash_table_new (g_str_hash, g_str_equal);
@ -1457,6 +1467,7 @@ build_cache (const gchar *path)
/* Empty table, just close and remove the file */
fclose (cache);
close (fd);
g_unlink (tmp_cache_path);
exit (0);
}
@ -1464,6 +1475,7 @@ build_cache (const gchar *path)
/* FIXME: Handle failure */
retval = write_file (cache, files, directories);
fclose (cache);
close (fd);
g_list_foreach (directories, (GFunc)g_free, NULL);
g_list_free (directories);
@ -1655,8 +1667,16 @@ main (int argc, char **argv)
if (!ignore_theme_index && !has_theme_index (path))
{
g_printerr (_("No theme index file in '%s'.\n"
if (path)
{
g_printerr (_("No theme index file."));
}
else
{
g_printerr (_("No theme index file in '%s'.\n"
"If you really want to create an icon cache here, use --ignore-theme-index.\n"), path);
}
return 1;
}