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Merge pull request #1547 from shakeelrao/fix-error

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Fix incorrect error code in ZSTD_errorFrameSizeInfo
This commit is contained in:
Nick Terrell
2019-03-15 10:57:49 -07:00
committed by GitHub
parent 45139e9fd5 4c0540da1c
commit f52a7d8faa
3 changed files with 26 additions and 6 deletions
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4
lib/decompress/zstd_decompress.c
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@ -437,7 +437,7 @@ static size_t ZSTD_decodeFrameHeader(ZSTD_DCtx* dctx, const void* src, size_t he
* Contains the compressed frame size and an upper-bound for the decompressed frame size. * Contains the compressed frame size and an upper-bound for the decompressed frame size.
* Note: before using `compressedSize` you must check for errors using ZSTD_isError(). * Note: before using `compressedSize` you must check for errors using ZSTD_isError().
* similarly, before using `decompressedBound`, you must check for errors using: * similarly, before using `decompressedBound`, you must check for errors using:
* `decompressedBound` != ZSTD_CONTENTSIZE_UNKNOWN * `decompressedBound` != ZSTD_CONTENTSIZE_ERROR
*/ */
typedef struct { typedef struct {
size_t compressedSize; size_t compressedSize;
@ -448,7 +448,7 @@ static ZSTD_frameSizeInfo ZSTD_errorFrameSizeInfo(size_t ret)
{ {
ZSTD_frameSizeInfo frameSizeInfo; ZSTD_frameSizeInfo frameSizeInfo;
frameSizeInfo.compressedSize = ret; frameSizeInfo.compressedSize = ret;
frameSizeInfo.decompressedBound = ZSTD_CONTENTSIZE_UNKNOWN; frameSizeInfo.decompressedBound = ZSTD_CONTENTSIZE_ERROR;
return frameSizeInfo; return frameSizeInfo;
} }

7
tests/fuzzer.c
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@ -383,6 +383,13 @@ static int basicUnitTests(U32 seed, double compressibility)
} }
DISPLAYLEVEL(3, "OK \n"); DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : ZSTD_decompressBound test with invalid srcSize : ", testNb++);
{
unsigned long long bound = ZSTD_decompressBound(compressedBuffer, cSize - 1);
if (bound != ZSTD_CONTENTSIZE_ERROR) goto _output_error;
}
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : decompress %u bytes : ", testNb++, (unsigned)CNBuffSize); DISPLAYLEVEL(3, "test%3i : decompress %u bytes : ", testNb++, (unsigned)CNBuffSize);
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize); { size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize);
if (r != CNBuffSize) goto _output_error; } if (r != CNBuffSize) goto _output_error; }

13
tests/legacy.c
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@ -20,6 +20,7 @@
#include <stdlib.h> /* malloc, free */ #include <stdlib.h> /* malloc, free */
#include <stdio.h> /* fprintf */ #include <stdio.h> /* fprintf */
#include <string.h> /* strlen */ #include <string.h> /* strlen */
#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_decompressBound */
#include "zstd.h" #include "zstd.h"
#include "zstd_errors.h" #include "zstd_errors.h"
@ -130,12 +131,24 @@ static int testStreamingAPI(void)
return error_code; return error_code;
} }
static int testFrameDecoding(void)
{
if (ZSTD_decompressBound(COMPRESSED, COMPRESSED_SIZE) != ZSTD_CONTENTSIZE_ERROR) {
DISPLAY("ERROR: ZSTD_decompressBound: Expected to receive ZSTD_CONTENTSIZE_ERROR\n");
return 1;
}
DISPLAY("Frame Decoding OK\n");
return 0;
}
int main(void) int main(void)
{ {
{ int const ret = testSimpleAPI(); { int const ret = testSimpleAPI();
if (ret) return ret; } if (ret) return ret; }
{ int const ret = testStreamingAPI(); { int const ret = testStreamingAPI();
if (ret) return ret; } if (ret) return ret; }
{ int const ret = testFrameDecoding();
if (ret) return ret; }
DISPLAY("OK\n"); DISPLAY("OK\n");
return 0; return 0;