mirror/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch synced 2025-04-09 21:45:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

(trans_stream_zlib.c) Add some early returns in case it's a NULL pointer

Browse Source
This commit is contained in:
twinaphex 2017-01-22 20:04:58 +01:00
parent 5c77937dad
commit 4feab7a268
1 changed files with 21 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
libretro-common/streams/trans_stream_zlib.c
View File

@ -60,6 +60,8 @@ static void zlib_deflate_stream_free(void *data)
static void zlib_inflate_stream_free(void *data) static void zlib_inflate_stream_free(void *data)
{ {
struct zlib_trans_stream *z = (struct zlib_trans_stream *) data; struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
if (!z)
return;
if (z->inited) if (z->inited)
inflateEnd(&z->z); inflateEnd(&z->z);
free(z); free(z);
@ -90,8 +92,13 @@ static bool zlib_inflate_define(void *data, const char *prop, uint32_t val)
static void zlib_deflate_set_in(void *data, const uint8_t *in, uint32_t in_size) static void zlib_deflate_set_in(void *data, const uint8_t *in, uint32_t in_size)
{ {
struct zlib_trans_stream *z = (struct zlib_trans_stream *) data; struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
z->z.next_in = (uint8_t *) in;
z->z.avail_in = in_size; if (!z)
return;
z->z.next_in = (uint8_t *) in;
z->z.avail_in = in_size;
if (!z->inited) if (!z->inited)
{ {
deflateInit(&z->z, z->ex); deflateInit(&z->z, z->ex);
@ -102,8 +109,12 @@ static void zlib_deflate_set_in(void *data, const uint8_t *in, uint32_t in_size)
static void zlib_inflate_set_in(void *data, const uint8_t *in, uint32_t in_size) static void zlib_inflate_set_in(void *data, const uint8_t *in, uint32_t in_size)
{ {
struct zlib_trans_stream *z = (struct zlib_trans_stream *) data; struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
z->z.next_in = (uint8_t *) in;
z->z.avail_in = in_size; if (!z)
return;
z->z.next_in = (uint8_t *) in;
z->z.avail_in = in_size;
if (!z->inited) if (!z->inited)
{ {
inflateInit2(&z->z, z->ex); inflateInit2(&z->z, z->ex);
@ -114,8 +125,12 @@ static void zlib_inflate_set_in(void *data, const uint8_t *in, uint32_t in_size)
static void zlib_set_out(void *data, uint8_t *out, uint32_t out_size) static void zlib_set_out(void *data, uint8_t *out, uint32_t out_size)
{ {
struct zlib_trans_stream *z = (struct zlib_trans_stream *) data; struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
z->z.next_out = out;
z->z.avail_out = out_size; if (!z)
return;
z->z.next_out = out;
z->z.avail_out = out_size;
} }
static bool zlib_deflate_trans( static bool zlib_deflate_trans(