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added ZSTD_error_frameParameter_windowTooLarge (#403)

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This commit is contained in:
Yann Collet
2016-10-12 17:29:24 -07:00
parent e405c7a126
commit 5d919e7ac3
3 changed files with 4 additions and 2 deletions
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lib/decompress/zstd_decompress.c
+2 -2
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@@ -248,7 +248,7 @@ size_t ZSTD_getFrameParams(ZSTD_frameParams* fparamsPtr, const void* src, size_t
if (!singleSegment) {
BYTE const wlByte = ip[pos++];
U32 const windowLog = (wlByte >> 3) + ZSTD_WINDOWLOG_ABSOLUTEMIN;
if (windowLog > ZSTD_WINDOWLOG_MAX) return ERROR(frameParameter_unsupported);
if (windowLog > ZSTD_WINDOWLOG_MAX) return ERROR(frameParameter_windowTooLarge); /* avoids issue with 1 << windowLog */
windowSize = (1U << windowLog);
windowSize += (windowSize >> 3) * (wlByte&7);
}
@@ -270,7 +270,7 @@ size_t ZSTD_getFrameParams(ZSTD_frameParams* fparamsPtr, const void* src, size_t
case 3 : frameContentSize = MEM_readLE64(ip+pos); break;
}
if (!windowSize) windowSize = (U32)frameContentSize;
if (windowSize > windowSizeMax) return ERROR(frameParameter_unsupported);
if (windowSize > windowSizeMax) return ERROR(frameParameter_windowTooLarge);
fparamsPtr->frameContentSize = frameContentSize;
fparamsPtr->windowSize = windowSize;
fparamsPtr->dictID = dictID;