debian/notmuch
1
0
Fork 0
mirror of https://git.notmuchmail.org/git/notmuch synced 2024-11-21 18:38:08 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

lib: fix NULL checks for filenames iterators

Browse source 
The API documentation (notmuch.h) states that the parameter may be NULL,
but the implementation only checked the current element, potentially
dereferencing a NULL pointer in the process.

Signed-off-by: Sascha Silbe <sascha-pgp@silbe.org>
This commit is contained in:
Sascha Silbe 2012-06-24 18:29:24 +02:00 committed by David Bremner
parent 7cd3cd3003
commit 8dd4e9770e
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
lib/filenames.c
View file

@ -54,7 +54,7 @@ notmuch_filenames_valid (notmuch_filenames_t *filenames)
const char *
notmuch_filenames_get (notmuch_filenames_t *filenames)
{
if (filenames->iterator == NULL)
if ((filenames == NULL) || (filenames->iterator == NULL))
return NULL;
return filenames->iterator->string;
@ -63,7 +63,7 @@ notmuch_filenames_get (notmuch_filenames_t *filenames)
void
notmuch_filenames_move_to_next (notmuch_filenames_t *filenames)
{
if (filenames->iterator == NULL)
if ((filenames == NULL) || (filenames->iterator == NULL))
return;
filenames->iterator = filenames->iterator->next;