Merge branch 'list' into dev
Paul Cruz
commit
dc80b3c798
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@ -204,7 +204,7 @@ unsigned ZSTD_isFrame(const void* buffer, size_t size)
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/** ZSTD_frameHeaderSize() :
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* srcSize must be >= ZSTD_frameHeaderSize_prefix.
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* @return : size of the Frame Header */
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static size_t ZSTD_frameHeaderSize(const void* src, size_t srcSize)
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size_t ZSTD_frameHeaderSize(const void* src, size_t srcSize)
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{
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if (srcSize < ZSTD_frameHeaderSize_prefix) return ERROR(srcSize_wrong);
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{ BYTE const fhd = ((const BYTE*)src)[4];
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@ -461,6 +461,11 @@ ZSTDLIB_API unsigned long long ZSTD_getFrameContentSize(const void *src, size_t
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* however it does mean that all frame data must be present and valid. */
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ZSTDLIB_API unsigned long long ZSTD_findDecompressedSize(const void* src, size_t srcSize);
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/*! ZSTD_frameHeaderSize() :
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* `src` should point to the start of a ZSTD frame
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* `srcSize` must be >= ZSTD_frameHeaderSize_prefix.
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* @return : size of the Frame Header */
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size_t ZSTD_frameHeaderSize(const void* src, size_t srcSize);
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/***************************************
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* Context memory usage
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@ -91,6 +91,7 @@
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* Macros
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***************************************/
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#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
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#define DISPLAYOUT(...) fprintf(stdout, __VA_ARGS__)
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#define DISPLAYLEVEL(l, ...) { if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); } }
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static int g_displayLevel = 2; /* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : + progression; 4 : + information */
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void FIO_setNotificationLevel(unsigned level) { g_displayLevel=level; }
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@ -871,182 +872,182 @@ typedef struct {
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int usesCheck;
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} fileInfo_t;
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int calcFrameHeaderSize(BYTE frameHeaderDescriptor){
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int frameContentSizeBytes = 0;
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int windowDescriptorBytes;
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int dictionaryIDBytes;
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int frameContentSizeFlag = frameHeaderDescriptor >> 6;
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int singleSegmentFlag = (frameHeaderDescriptor & (1 << 5)) >> 5;
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int dictionaryIDFlag = frameHeaderDescriptor & 3;
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if(frameContentSizeFlag!=0){
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frameContentSizeBytes = 1 << frameContentSizeFlag;
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}
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else if(singleSegmentFlag){
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frameContentSizeBytes = 1;
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}
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windowDescriptorBytes = singleSegmentFlag ? 0 : 1;
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dictionaryIDBytes = dictionaryIDFlag ? 1 << (dictionaryIDFlag - 1): 0;
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return 4 + 1 + windowDescriptorBytes + frameContentSizeBytes + dictionaryIDBytes;
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}
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/*
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* Reads information from file, stores in *info
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* if successful, returns 0, otherwise returns 1
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*/
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int getFileInfo(fileInfo_t* info, const char* inFileName){
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FILE* srcFile = FIO_openSrcFile(inFileName);
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if(srcFile==NULL){
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static int getFileInfo(fileInfo_t* info, const char* inFileName){
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int detectError = 0;
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FILE* const srcFile = FIO_openSrcFile(inFileName);
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if (srcFile == NULL) {
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DISPLAY("Error: could not open source file %s\n", inFileName);
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return 1;
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}
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info->compressedSize = (unsigned long long)UTIL_getFileSize(inFileName);
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info->decompressedSize = 0;
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info->numActualFrames = 0;
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info-> numSkippableFrames = 0;
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info->numSkippableFrames = 0;
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info->canComputeDecompSize = 1;
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/* begin analyzing frame */
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while(1){
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BYTE magicNumberBuffer[4];
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size_t numBytesRead = fread(magicNumberBuffer, 1, 4, srcFile);
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U32 magicNumber;
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if(numBytesRead != 4) break;
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magicNumber = MEM_readLE32(magicNumberBuffer);
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if(magicNumber==ZSTD_MAGICNUMBER){
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BYTE frameHeaderDescriptor;
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int totalFrameHeaderBytes;
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BYTE* frameHeader;
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int lastBlock = 0;
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size_t readBytes = fread(&frameHeaderDescriptor, 1, 1, srcFile);
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info->numActualFrames++;
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if(readBytes != 1){
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DISPLAY("There was an error with reading frame header descriptor\n");
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exit(1);
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}
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/* calculate actual frame header size */
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totalFrameHeaderBytes = calcFrameHeaderSize(frameHeaderDescriptor);
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/* reset to beginning of from and read entire header */
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fseek(srcFile, -5, SEEK_CUR);
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frameHeader = (BYTE*)malloc(totalFrameHeaderBytes);
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readBytes = fread(frameHeader, 1, totalFrameHeaderBytes, srcFile);
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if(readBytes != (size_t)totalFrameHeaderBytes){
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DISPLAY("There was an error reading the frame header\n");
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exit(1);
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}
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/* get decompressed file size */
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{
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U64 additional = ZSTD_getFrameContentSize(frameHeader, totalFrameHeaderBytes);
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if(additional!=ZSTD_CONTENTSIZE_UNKNOWN && additional!=ZSTD_CONTENTSIZE_ERROR){
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info->decompressedSize += additional;
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for( ; ; ){
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BYTE headerBuffer[ZSTD_FRAMEHEADERSIZE_MAX];
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size_t const numBytesRead = fread(headerBuffer, 1, sizeof(headerBuffer), srcFile);
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if (numBytesRead < ZSTD_frameHeaderSize_min) {
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if(feof(srcFile)){
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break;
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}
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else{
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DISPLAY("Error: did not reach end of file but ran out of frames\n");
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detectError = 1;
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break;
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}
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}
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{
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U32 const magicNumber = MEM_readLE32(headerBuffer);
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if (magicNumber == ZSTD_MAGICNUMBER) {
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U64 const frameContentSize = ZSTD_getFrameContentSize(headerBuffer, numBytesRead);
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if (frameContentSize == ZSTD_CONTENTSIZE_ERROR || frameContentSize == ZSTD_CONTENTSIZE_UNKNOWN) {
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info->canComputeDecompSize = 0;
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}
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else {
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info->decompressedSize += frameContentSize;
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}
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{
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/* move to the end of the frame header */
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size_t const headerSize = ZSTD_frameHeaderSize(headerBuffer, numBytesRead);
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if (ZSTD_isError(headerSize)) {
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DISPLAY("Error: could not determine frame header size\n");
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detectError = 1;
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break;
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}
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{
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int const ret = fseek(srcFile, ((long)headerSize)-((long)numBytesRead), SEEK_CUR);
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if (ret != 0) {
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DISPLAY("Error: could not move to end of frame header\n");
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detectError = 1;
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break;
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}
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}
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}
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/* skip the rest of the blocks in the frame */
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{
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int lastBlock = 0;
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size_t readBytes = 0;
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do{
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BYTE blockHeaderBuffer[3];
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U32 blockHeader;
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int blockSize;
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readBytes = fread(blockHeaderBuffer, 1, 3, srcFile);
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if(readBytes != 3){
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if (readBytes != 3) {
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DISPLAY("There was a problem reading the block header\n");
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exit(1);
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detectError = 1;
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break;
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}
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blockHeader = MEM_readLE24(blockHeaderBuffer);
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lastBlock = blockHeader & 1;
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blockSize = (blockHeader - (blockHeader & 7)) >> 3;
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fseek(srcFile, blockSize, SEEK_CUR);
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}while(lastBlock != 1);
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{
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int const ret = fseek(srcFile, blockSize, SEEK_CUR);
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if (ret != 0) {
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DISPLAY("Error: could not skip to end of block\n");
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detectError = 1;
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break;
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}
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}
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} while (lastBlock != 1);
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if (detectError) {
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break;
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}
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}
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{
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/* check if checksum is used */
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int contentChecksumFlag = (frameHeaderDescriptor & (1 << 2)) >> 2;
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if(contentChecksumFlag){
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BYTE const frameHeaderDescriptor = headerBuffer[4];
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int const contentChecksumFlag = (frameHeaderDescriptor & (1 << 2)) >> 2;
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if (contentChecksumFlag) {
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info->usesCheck = 1;
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}
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if(contentChecksumFlag){
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fseek(srcFile, 4, SEEK_CUR);
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if (contentChecksumFlag) {
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int const ret = fseek(srcFile, 4, SEEK_CUR);
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if (ret != 0) {
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DISPLAY("Error: could not skip past checksum\n");
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detectError = 1;
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break;
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}
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}
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}
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else if(magicNumber==ZSTD_MAGIC_SKIPPABLE_START){
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info->numActualFrames++;
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}
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else if (magicNumber == ZSTD_MAGIC_SKIPPABLE_START) {
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BYTE frameSizeBuffer[4];
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long frameSize;
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size_t readBytes = fread(frameSizeBuffer, 1, 4, srcFile);
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info->numSkippableFrames++;
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if(readBytes != 4){
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if (readBytes != 4) {
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DISPLAY("There was an error reading skippable frame size");
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exit(1);
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detectError = 1;
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break;
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}
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frameSize = MEM_readLE32(frameSizeBuffer);
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fseek(srcFile, frameSize, SEEK_CUR);
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{
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long const frameSize = MEM_readLE32(frameSizeBuffer);
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int const ret = fseek(srcFile, frameSize, SEEK_CUR);
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if (ret != 0) {
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DISPLAY("Error: could not find end of skippable frame\n");
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detectError = 1;
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break;
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}
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}
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return 0;
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info->numSkippableFrames++;
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}
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}
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}
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fclose(srcFile);
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return detectError;
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}
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void displayInfo(const char* inFileName, fileInfo_t* info, int displayLevel){
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double compressedSizeMB = (double)info->compressedSize/(1 MB);
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double decompressedSizeMB = (double)info->decompressedSize/(1 MB);
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static void displayInfo(const char* inFileName, fileInfo_t* info, int displayLevel){
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double const compressedSizeMB = (double)info->compressedSize/(1 MB);
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double const decompressedSizeMB = (double)info->decompressedSize/(1 MB);
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const char* checkString = (info->usesCheck ? "XXH64" : "None");
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if(displayLevel<=2){
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if(info->usesCheck && info->canComputeDecompSize){
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DISPLAY("Skippable Non-Skippable Compressed Uncompressed Ratio Check Filename\n");
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DISPLAY("%9d %13d %7.2f MB %7.2f MB %5.3f XXH64 %s\n",
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if (info->canComputeDecompSize) {
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DISPLAYOUT("Skippable Non-Skippable Compressed Uncompressed Ratio Check Filename\n");
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DISPLAYOUT("%9d %13d %7.2f MB %9.2f MB %5.3f %s %s\n",
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info->numSkippableFrames, info->numActualFrames, compressedSizeMB, decompressedSizeMB,
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compressedSizeMB/decompressedSizeMB, inFileName);
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compressedSizeMB/decompressedSizeMB, checkString, inFileName);
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}
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else if(!info->usesCheck){
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DISPLAY("Skippable Non-Skippable Compressed Uncompressed Ratio Check Filename\n");
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DISPLAY("%9d %13d %7.2f MB %7.2f MB %5.3f %s\n",
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info->numSkippableFrames, info->numActualFrames, compressedSizeMB, decompressedSizeMB,
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compressedSizeMB/decompressedSizeMB, inFileName);
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}
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else if(!info->canComputeDecompSize){
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DISPLAY("Skippable Non-Skippable Compressed Uncompressed Ratio Check Filename\n");
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DISPLAY("%9d %13d %7.2f MB XXH64 %s\n",
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info->numSkippableFrames, info->numActualFrames, compressedSizeMB, inFileName);
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}
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else{
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DISPLAY("Skippable Non-Skippable Filename\n");
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DISPLAY("%9d %13d %7.2f MB %s\n",
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info->numSkippableFrames, info->numActualFrames, compressedSizeMB, inFileName);
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else {
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DISPLAYOUT("Skippable Non-Skippable Compressed Check Filename\n");
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DISPLAYOUT("%9d %13d %7.2f MB %s %s\n",
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info->numSkippableFrames, info->numActualFrames, compressedSizeMB, checkString, inFileName);
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}
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}
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else{
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DISPLAY("# Zstandard Frames: %d\n", info->numActualFrames);
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DISPLAY("# Skippable Frames: %d\n", info->numSkippableFrames);
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DISPLAY("Compressed Size: %.2f MB (%llu B)\n", compressedSizeMB, info->compressedSize);
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if(info->canComputeDecompSize){
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DISPLAY("Decompressed Size: %.2f MB (%llu B)\n", decompressedSizeMB, info->decompressedSize);
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DISPLAY("Ratio: %.4f\n", compressedSizeMB/decompressedSizeMB);
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DISPLAYOUT("# Zstandard Frames: %d\n", info->numActualFrames);
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DISPLAYOUT("# Skippable Frames: %d\n", info->numSkippableFrames);
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DISPLAYOUT("Compressed Size: %.2f MB (%llu B)\n", compressedSizeMB, info->compressedSize);
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if (info->canComputeDecompSize) {
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DISPLAYOUT("Decompressed Size: %.2f MB (%llu B)\n", decompressedSizeMB, info->decompressedSize);
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DISPLAYOUT("Ratio: %.4f\n", compressedSizeMB/decompressedSizeMB);
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}
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if(info->usesCheck){
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DISPLAY("Check: XXH64\n");
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if (info->usesCheck) {
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DISPLAYOUT("Check: XXH64\n");
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}
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}
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DISPLAYOUT("\n");
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}
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int FIO_listFile(const char* inFileName, int displayLevel){
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const char* const suffixPtr = strrchr(inFileName, '.');
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DISPLAY("File: %s\n", inFileName);
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if(!suffixPtr || strcmp(suffixPtr, ZSTD_EXTENSION)){
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DISPLAYLEVEL(1, "file %s was not compressed with zstd -- ignoring\n\n", inFileName);
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fileInfo_t info;
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DISPLAYOUT("File: %s\n", inFileName);
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{
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int const error = getFileInfo(&info, inFileName);
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if (error == 1) {
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DISPLAY("An error occurred with getting file info\n");
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return 1;
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}
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else{
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fileInfo_t* info = (fileInfo_t*)malloc(sizeof(fileInfo_t));
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int error = getFileInfo(info, inFileName);
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if(error==1){
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DISPLAY("An error occurred with getting file info\n");
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exit(1);
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}
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displayInfo(inFileName, info, displayLevel);
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}
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DISPLAY("\n");
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displayInfo(inFileName, &info, displayLevel);
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return 0;
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}
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@ -149,6 +149,7 @@ static int usage_advanced(const char* programName)
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#endif
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#endif
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DISPLAY( " -M# : Set a memory usage limit for decompression \n");
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DISPLAY( "--list : list information about a zstd compressed file \n");
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DISPLAY( "-- : All arguments after \"--\" are treated as files \n");
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#ifndef ZSTD_NODICT
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DISPLAY( "\n");
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@ -402,6 +403,7 @@ int main(int argCount, const char* argv[])
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if (argument[1]=='-') {
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/* long commands (--long-word) */
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if (!strcmp(argument, "--")) { nextArgumentsAreFiles=1; continue; } /* only file names allowed from now on */
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if (!strcmp(argument, "--list")) { operation=zom_list; continue; }
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if (!strcmp(argument, "--compress")) { operation=zom_compress; continue; }
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if (!strcmp(argument, "--decompress")) { operation=zom_decompress; continue; }
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if (!strcmp(argument, "--uncompress")) { operation=zom_decompress; continue; }
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@ -674,6 +676,7 @@ int main(int argCount, const char* argv[])
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}
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#endif
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if(operation==zom_list){
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g_displayOut = stdout;
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if(filenameIdx==0){
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DISPLAY("No files given\n");
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CLEAN_RETURN(0);
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Loading…
Reference in New Issue