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Handle NULL attribute matchers safely, as we return this for empty

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2008-01-03  Alexander Larsson  <alexl@redhat.com>

        * gfileinfo.c:
	Handle NULL attribute matchers safely, as we return this
	for empty attribute matcher strings.



svn path=/trunk/; revision=6238
This commit is contained in:
Alexander Larsson 2008-01-03 14:58:53 +00:00 committed by Alexander Larsson
parent 246e2e71a9
commit 491cccf63a
2 changed files with 34 additions and 18 deletions
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6
gio/ChangeLog
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@ -1,3 +1,9 @@
2008-01-03 Alexander Larsson <alexl@redhat.com>
* gfileinfo.c:
Handle NULL attribute matchers safely, as we return this
for empty attribute matcher strings.
2008-01-03 Alexander Larsson <alexl@redhat.com>
* gunixmounts.c (g_unix_is_mount_path_system_internal):

46
gio/gfileinfo.c
View File

@ -1926,11 +1926,11 @@ g_file_attribute_matcher_new (const char *attributes)
GFileAttributeMatcher *
g_file_attribute_matcher_ref (GFileAttributeMatcher *matcher)
{
g_return_val_if_fail (matcher != NULL, NULL);
g_return_val_if_fail (matcher->ref > 0, NULL);
g_atomic_int_inc (&matcher->ref);
if (matcher)
{
g_return_val_if_fail (matcher->ref > 0, NULL);
g_atomic_int_inc (&matcher->ref);
}
return matcher;
}
@ -1945,15 +1945,17 @@ g_file_attribute_matcher_ref (GFileAttributeMatcher *matcher)
void
g_file_attribute_matcher_unref (GFileAttributeMatcher *matcher)
{
g_return_if_fail (matcher != NULL);
g_return_if_fail (matcher->ref > 0);
if (g_atomic_int_dec_and_test (&matcher->ref))
if (matcher)
{
if (matcher->more_sub_matchers)
g_array_free (matcher->more_sub_matchers, TRUE);
g_return_if_fail (matcher->ref > 0);
g_free (matcher);
if (g_atomic_int_dec_and_test (&matcher->ref))
{
if (matcher->more_sub_matchers)
g_array_free (matcher->more_sub_matchers, TRUE);
g_free (matcher);
}
}
}
@ -1973,10 +1975,10 @@ g_file_attribute_matcher_matches_only (GFileAttributeMatcher *matcher,
{
guint32 id;
g_return_val_if_fail (matcher != NULL, FALSE);
g_return_val_if_fail (attribute != NULL && *attribute != '\0', FALSE);
if (matcher->all)
if (matcher == NULL ||
matcher->all)
return FALSE;
id = lookup_attribute (attribute);
@ -2046,9 +2048,12 @@ gboolean
g_file_attribute_matcher_matches (GFileAttributeMatcher *matcher,
const char *attribute)
{
g_return_val_if_fail (matcher != NULL, FALSE);
g_return_val_if_fail (attribute != NULL && *attribute != '\0', FALSE);
/* We return a NULL matcher for an empty match string, so handle this */
if (matcher == NULL)
return FALSE;
if (matcher->all)
return TRUE;
@ -2079,8 +2084,11 @@ g_file_attribute_matcher_enumerate_namespace (GFileAttributeMatcher *matcher,
int ns_id;
int i;
g_return_val_if_fail (matcher != NULL, FALSE);
g_return_val_if_fail (ns != NULL && *ns != '\0', FALSE);
/* We return a NULL matcher for an empty match string, so handle this */
if (matcher == NULL)
return FALSE;
if (matcher->all)
return TRUE;
@ -2123,8 +2131,10 @@ g_file_attribute_matcher_enumerate_next (GFileAttributeMatcher *matcher)
{
int i;
SubMatcher *sub_matcher;
g_return_val_if_fail (matcher != NULL, NULL);
/* We return a NULL matcher for an empty match string, so handle this */
if (matcher == NULL)
return NULL;
while (1)
{