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nutdec: add malloc check and fix const to non-const conversion warnings

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Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2012-04-18 20:48:36 +01:00
parent 0f53601ac6
commit 9d72c0527c
1 changed files with 6 additions and 2 deletions
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8
libavformat/nutdec.c
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@ -305,14 +305,18 @@ static int decode_main_header(NUTContext *nut)
GET_V(nut->header_count, tmp < 128U) GET_V(nut->header_count, tmp < 128U)
nut->header_count++; nut->header_count++;
for (i = 1; i < nut->header_count; i++) { for (i = 1; i < nut->header_count; i++) {
uint8_t *hdr;
GET_V(nut->header_len[i], tmp > 0 && tmp < 256); GET_V(nut->header_len[i], tmp > 0 && tmp < 256);
rem -= nut->header_len[i]; rem -= nut->header_len[i];
if (rem < 0) { if (rem < 0) {
av_log(s, AV_LOG_ERROR, "invalid elision header\n"); av_log(s, AV_LOG_ERROR, "invalid elision header\n");
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }
nut->header[i] = av_malloc(nut->header_len[i]); hdr = av_malloc(nut->header_len[i]);
avio_read(bc, nut->header[i], nut->header_len[i]); if (!hdr)
return AVERROR(ENOMEM);
avio_read(bc, hdr, nut->header_len[i]);
nut->header[i] = hdr;
} }
assert(nut->header_len[0] == 0); assert(nut->header_len[0] == 0);
} }