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Don't fail if incorrect comment length read. #339

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This commit is contained in:
Nathan Moinvaziri 2018-11-06 10:20:28 -08:00
parent 87a668fd64
commit 79244df024
1 changed files with 6 additions and 3 deletions
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9
mz_zip.c
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@ -217,6 +217,7 @@ static int32_t mz_zip_read_cd(void *handle)
uint32_t value32 = 0;
uint64_t value64 = 0;
uint16_t comment_size = 0;
int32_t comment_read = 0;
int32_t err = MZ_OK;
@ -267,9 +268,11 @@ static int32_t mz_zip_read_cd(void *handle)
zip->comment = (char *)MZ_ALLOC(comment_size + 1);
if (zip->comment != NULL)
{
if (mz_stream_read(zip->stream, zip->comment, comment_size) != comment_size)
err = MZ_READ_ERROR;
zip->comment[comment_size] = 0;
comment_read = mz_stream_read(zip->stream, zip->comment, comment_size);
// Don't fail if incorrect comment length read, not critical
if (comment_read < 0)
comment_read = 0;
zip->comment[comment_read] = 0;
}
}