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gst/gstregistrybinary.c: Use g_remove() and g_rename(). Check result of g_rename(), and don't leak the open file desc...

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Original commit message from CVS:
* gst/gstregistrybinary.c: (gst_registry_binary_write_cache):
Use g_remove() and g_rename(). Check result of g_rename(), and
don't leak the open file descriptor if we error out when writing.
* gst/gstregistryxml.c: (load_plugin), (gst_registry_xml_write_cache):
Must check the return value of close() after writing out the new
registry file.  Sometimes write problems such as out-of-diskspace
are only reported when the file is closed and not already during
the write.  This may have caused partial/broken registry files in
some rare circumstances. Should fix #503675.
This commit is contained in:
Tim-Philipp Müller 2007-12-16 18:29:25 +00:00
parent a028f75539
commit af471ed6cd
3 changed files with 69 additions and 15 deletions
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13
ChangeLog
View file

@ -1,3 +1,16 @@
2007-12-16 Tim-Philipp Müller <tim at centricular dot net>
* gst/gstregistrybinary.c: (gst_registry_binary_write_cache):
Use g_remove() and g_rename(). Check result of g_rename(), and
don't leak the open file descriptor if we error out when writing.
* gst/gstregistryxml.c: (load_plugin), (gst_registry_xml_write_cache):
Must check the return value of close() after writing out the new
registry file. Sometimes write problems such as out-of-diskspace
are only reported when the file is closed and not already during
the write. This may have caused partial/broken registry files in
some rare circumstances. Should fix #503675.
2007-12-16 Edward Hervey <edward.hervey@collabora.co.uk>
* docs/gst/.cvsignore:

35
gst/gstregistrybinary.c
View file

@ -544,16 +544,17 @@ gst_registry_binary_write_cache (GstRegistry * registry, const char *location)
}
g_list_free (to_write);
if (close (registry->cache_file) < 0) {
GST_DEBUG ("Can't close registry file : %s", g_strerror (errno));
goto fail;
}
if (close (registry->cache_file) < 0)
goto close_failed;
if (g_file_test (tmp_location, G_FILE_TEST_EXISTS)) {
#ifdef WIN32
remove (location);
g_remove (location);
#endif
rename (tmp_location, location);
if (g_rename (tmp_location, location) < 0)
goto rename_failed;
} else {
/* FIXME: shouldn't we return FALSE here? */
}
g_free (tmp_location);
@ -562,8 +563,26 @@ gst_registry_binary_write_cache (GstRegistry * registry, const char *location)
/* Errors */
fail:
g_free (tmp_location);
return FALSE;
{
(void) close (registry->cache_file);
/* fall through */
}
fail_after_close:
{
g_remove (tmp_location);
g_free (tmp_location);
return FALSE;
}
close_failed:
{
GST_ERROR ("close() failed: %s", g_strerror (errno));
goto fail_after_close;
}
rename_failed:
{
GST_ERROR ("g_rename() failed: %s", g_strerror (errno));
goto fail_after_close;
}
}

36
gst/gstregistryxml.c
View file

@ -916,22 +916,44 @@ gst_registry_xml_write_cache (GstRegistry * registry, const char *location)
if (!gst_registry_save (registry, "</GST-PluginRegistry>\n"))
goto fail;
close (registry->cache_file);
/* check return value of close(), write errors may only get reported here */
if (close (registry->cache_file) < 0)
goto close_failed;
if (g_file_test (tmp_location, G_FILE_TEST_EXISTS)) {
#ifdef WIN32
g_remove (location);
#endif
g_rename (tmp_location, location);
if (g_rename (tmp_location, location) < 0)
goto rename_failed;
} else {
/* FIXME: shouldn't we return FALSE here? */
}
g_free (tmp_location);
GST_INFO ("Wrote XML registry cache");
return TRUE;
/* ERRORS */
fail:
close (registry->cache_file);
g_free (tmp_location);
return FALSE;
{
(void) close (registry->cache_file);
/* fall through */
}
fail_after_close:
{
g_remove (tmp_location);
g_free (tmp_location);
return FALSE;
}
close_failed:
{
GST_ERROR ("close() failed: %s", g_strerror (errno));
goto fail_after_close;
}
rename_failed:
{
GST_ERROR ("g_rename() failed: %s", g_strerror (errno));
goto fail_after_close;
}
}