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authorJustin Ruggles <[email protected]>2011-09-15 18:08:52 -0400
committerReinhard Tartler <[email protected]>2012-05-28 21:21:53 +0200
commit46d9022859d1b991735fab91c88ff8dcb6891f57 (patch)
tree59414ec090e228a1da4f2e07c2077d16b45b7742
parent58b3f439cc7e900fe269a7b73c58cf57a6e0c0fb (diff)
shorten: check for realloc failure
(cherry picked from commit 9e5e2c2d010c05c10337e9c1ec9d0d61495e0c9c) Signed-off-by: Reinhard Tartler <[email protected]> (cherry picked from commit a207a2fecc6a77735ab0cf209fdba0b4dd942a86) Signed-off-by: Reinhard Tartler <[email protected]>
-rw-r--r--libavcodec/shorten.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c
index 22fdcff403..bf2783550f 100644
--- a/libavcodec/shorten.c
+++ b/libavcodec/shorten.c
@@ -114,6 +114,7 @@ static int allocate_buffers(ShortenContext *s)
{
int i, chan;
int *coeffs;
+ void *tmp_ptr;
for (chan=0; chan<s->channels; chan++) {
if(FFMAX(1, s->nmean) >= UINT_MAX/sizeof(int32_t)){
@@ -125,9 +126,15 @@ static int allocate_buffers(ShortenContext *s)
return -1;
}
- s->offset[chan] = av_realloc(s->offset[chan], sizeof(int32_t)*FFMAX(1, s->nmean));
+ tmp_ptr = av_realloc(s->offset[chan], sizeof(int32_t)*FFMAX(1, s->nmean));
+ if (!tmp_ptr)
+ return AVERROR(ENOMEM);
+ s->offset[chan] = tmp_ptr;
- s->decoded[chan] = av_realloc(s->decoded[chan], sizeof(int32_t)*(s->blocksize + s->nwrap));
+ tmp_ptr = av_realloc(s->decoded[chan], sizeof(int32_t)*(s->blocksize + s->nwrap));
+ if (!tmp_ptr)
+ return AVERROR(ENOMEM);
+ s->decoded[chan] = tmp_ptr;
for (i=0; i<s->nwrap; i++)
s->decoded[chan][i] = 0;
s->decoded[chan] += s->nwrap;
@@ -286,8 +293,15 @@ static int shorten_decode_frame(AVCodecContext *avctx,
int i, input_buf_size = 0;
int16_t *samples = data;
if(s->max_framesize == 0){
+ void *tmp_ptr;
s->max_framesize= 1024; // should hopefully be enough for the first header
- s->bitstream= av_fast_realloc(s->bitstream, &s->allocated_bitstream_size, s->max_framesize);
+ tmp_ptr = av_fast_realloc(s->bitstream, &s->allocated_bitstream_size,
+ s->max_framesize);
+ if (!tmp_ptr) {
+ av_log(avctx, AV_LOG_ERROR, "error allocating bitstream buffer\n");
+ return AVERROR(ENOMEM);
+ }
+ s->bitstream = tmp_ptr;
}
if(1 && s->max_framesize){//FIXME truncated