gst/gstregistrybinary.c: Return the old CRC instead of 0 if we give a NULL buffer or a buffer with a length of 0.

Original commit message from CVS:
* gst/gstregistrybinary.c: (_gst_crc32):
Return the old CRC instead of 0 if we give a NULL buffer
or a buffer with a length of 0.
This commit is contained in:
Sebastian Dröge 2008-04-19 15:42:19 +00:00
parent 16cd84e633
commit c7a7548481
2 changed files with 10 additions and 2 deletions

View file

@ -1,3 +1,9 @@
2008-04-19 Sebastian Dröge <slomo@circular-chaos.org>
* gst/gstregistrybinary.c: (_gst_crc32):
Return the old CRC instead of 0 if we give a NULL buffer
or a buffer with a length of 0.
2008-04-19 Sebastian Dröge <slomo@circular-chaos.org>
* gst/gsturi.c: (gst_uri_protocol_check_internal),

View file

@ -122,6 +122,7 @@
/* Changes for gstreamer:
* - Changed to use GLib data types
* - Change function name to _gst_crc32
* - Return the old CRC instead of 0 when len or buf are 0/NULL
*/
/* ========================================================================
@ -192,8 +193,9 @@ static const guint32 crc_table[256] = {
static guint32
_gst_crc32 (guint32 crc, const gchar * buf, guint len)
{
if (buf == NULL)
return 0L;
if (buf == NULL || len == 0)
return crc;
crc = crc ^ 0xffffffffL;
while (len >= 8) {
DO8 (buf);