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Added additional check against negative offset during seek set.

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This commit is contained in:
Nathan Moinvaziri 2018-11-22 22:45:51 -08:00
parent d8f00c57cb
commit 4c642fc296
1 changed files with 3 additions and 1 deletions
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4
mz_strm.c
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@ -231,6 +231,8 @@ int32_t mz_stream_seek(void *stream, int64_t offset, int32_t origin)
return MZ_PARAM_ERROR;
if (mz_stream_is_open(stream) != MZ_OK)
return MZ_STREAM_ERROR;
if (origin == MZ_SEEK_SET && offset < 0)
return MZ_SEEK_ERROR;
return strm->vtbl->seek(strm, offset, origin);
}
@ -468,7 +470,7 @@ int32_t mz_stream_raw_read(void *stream, void *buf, int32_t size)
if (raw->max_total_in > 0)
{
if (bytes_to_read > (int32_t)(raw->max_total_in - raw->total_in))
if ((int64_t)bytes_to_read > (raw->max_total_in - raw->total_in))
bytes_to_read = (int32_t)(raw->max_total_in - raw->total_in);
}