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return error if block delimiter is not found

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This commit is contained in:
Mingjie Shen
2025-01-13 20:52:06 -05:00
committed by GitHub
parent e490be895c
commit afff3d2cce
1 changed files with 2 additions and 1 deletions
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lib/compress/zstd_compress.c
+2 -1
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@@ -6687,6 +6687,7 @@ ZSTD_transferSequences_wBlockDelim(ZSTD_CCtx* cctx,
ZSTD_storeSeq(&cctx->seqStore, litLength, ip, iend, offBase, matchLength); ZSTD_storeSeq(&cctx->seqStore, litLength, ip, iend, offBase, matchLength);
ip += matchLength + litLength; ip += matchLength + litLength;
} }
RETURN_ERROR_IF(idx == inSeqsSize, externalSequences_invalid, "Block delimiter not found.");
/* If we skipped repcode search while parsing, we need to update repcodes now */ /* If we skipped repcode search while parsing, we need to update repcodes now */
assert(externalRepSearch != ZSTD_ps_auto); assert(externalRepSearch != ZSTD_ps_auto);
@@ -6713,7 +6714,7 @@ ZSTD_transferSequences_wBlockDelim(ZSTD_CCtx* cctx,
ZSTD_memcpy(cctx->blockState.nextCBlock->rep, updatedRepcodes.rep, sizeof(Repcodes_t)); ZSTD_memcpy(cctx->blockState.nextCBlock->rep, updatedRepcodes.rep, sizeof(Repcodes_t));
if (idx < inSeqsSize && inSeqs[idx].litLength) { if (inSeqs[idx].litLength) {
DEBUGLOG(6, "Storing last literals of size: %u", inSeqs[idx].litLength); DEBUGLOG(6, "Storing last literals of size: %u", inSeqs[idx].litLength);
ZSTD_storeLastLiterals(&cctx->seqStore, ip, inSeqs[idx].litLength); ZSTD_storeLastLiterals(&cctx->seqStore, ip, inSeqs[idx].litLength);
ip += inSeqs[idx].litLength; ip += inSeqs[idx].litLength;