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avcodec/avpacket: use size_t, fix potential integer overflow 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-11-20 16:47:00 +01:00
parent c28b61caf0
commit fcb1b0078d
1 changed files with 3 additions and 3 deletions
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6
libavcodec/avpacket.c
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@ -437,12 +437,12 @@ uint8_t *av_packet_pack_dictionary(AVDictionary *dict, int *size)
return NULL;
while ((t = av_dict_get(dict, "", t, AV_DICT_IGNORE_SUFFIX))) {
const int keylen = strlen(t->key);
const int valuelen = strlen(t->value);
const size_t keylen = strlen(t->key);
const size_t valuelen = strlen(t->value);
const size_t new_size = *size + keylen + 1 + valuelen + 1;
uint8_t *const new_data = av_realloc(data, new_size);
if (!new_data)
if (!new_data || new_size > INT_MAX)
goto fail;
data = new_data;