extended use of strerror(errno)
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@ -113,21 +113,15 @@ static U32 g_displayLevel = 2; /* 0 : no display; 1: errors; 2 : + result
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void FIO_setNotificationLevel(unsigned level) { g_displayLevel=level; }
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#define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \
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if ((FIO_GetMilliSpan(g_time) > refreshRate) || (g_displayLevel>=4)) \
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if ((clock() - g_time > refreshRate) || (g_displayLevel>=4)) \
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{ g_time = clock(); DISPLAY(__VA_ARGS__); \
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if (g_displayLevel>=4) fflush(stdout); } }
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static const unsigned refreshRate = 150;
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static const clock_t refreshRate = CLOCKS_PER_SEC * 15 / 100;
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static clock_t g_time = 0;
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static unsigned FIO_GetMilliSpan(clock_t nPrevious)
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{
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clock_t const nCurrent = clock();
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return (unsigned)(((nCurrent - nPrevious) * 1000) / CLOCKS_PER_SEC);
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}
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/*-*************************************
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* Local Parameters
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* Local Parameters - Not thread safe
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***************************************/
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static U32 g_overwrite = 0;
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void FIO_overwriteMode(void) { g_overwrite=1; }
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@ -175,7 +169,7 @@ static FILE* FIO_openSrcFile(const char* srcFileName)
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f = fopen(srcFileName, "rb");
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}
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if ( f==NULL ) DISPLAYLEVEL(1, "zstd: %s: No such file\n", srcFileName);
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if ( f==NULL ) DISPLAYLEVEL(1, "zstd: %s: %s \n", srcFileName, strerror(errno));
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return f;
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}
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@ -201,18 +195,20 @@ static FILE* FIO_openDstFile(const char* dstFileName)
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if (g_displayLevel <= 1) {
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/* No interaction possible */
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DISPLAY("zstd: %s already exists; not overwritten \n", dstFileName);
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return 0;
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return NULL;
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}
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DISPLAY("zstd: %s already exists; do you wish to overwrite (y/N) ? ", dstFileName);
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{ int ch = getchar();
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if ((ch!='Y') && (ch!='y')) {
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DISPLAY(" not overwritten \n");
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return 0;
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return NULL;
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}
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while ((ch!=EOF) && (ch!='\n')) ch = getchar(); /* flush rest of input line */
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} } }
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f = fopen( dstFileName, "wb" );
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}
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if (f==NULL) DISPLAYLEVEL(1, "zstd: %s: %s\n", dstFileName, strerror(errno));
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return f;
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}
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@ -233,17 +229,17 @@ static size_t FIO_loadFile(void** bufferPtr, const char* fileName)
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DISPLAYLEVEL(4,"Loading %s as dictionary \n", fileName);
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fileHandle = fopen(fileName, "rb");
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if (fileHandle==0) EXM_THROW(31, "Error opening file %s", fileName);
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if (fileHandle==0) EXM_THROW(31, "zstd: %s: %s", fileName, strerror(errno));
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fileSize = UTIL_getFileSize(fileName);
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if (fileSize > MAX_DICT_SIZE) {
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int seekResult;
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if (fileSize > 1 GB) EXM_THROW(32, "Dictionary file %s is too large", fileName); /* avoid extreme cases */
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DISPLAYLEVEL(2,"Dictionary %s is too large : using last %u bytes only \n", fileName, MAX_DICT_SIZE);
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seekResult = fseek(fileHandle, (long int)(fileSize-MAX_DICT_SIZE), SEEK_SET); /* use end of file */
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if (seekResult != 0) EXM_THROW(33, "Error seeking into file %s", fileName);
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if (seekResult != 0) EXM_THROW(33, "zstd: %s: %s", fileName, strerror(errno));
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fileSize = MAX_DICT_SIZE;
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}
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*bufferPtr = (BYTE*)malloc((size_t)fileSize);
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*bufferPtr = malloc((size_t)fileSize);
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if (*bufferPtr==NULL) EXM_THROW(34, "Allocation error : not enough memory for dictBuffer");
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{ size_t const readSize = fread(*bufferPtr, 1, (size_t)fileSize, fileHandle);
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if (readSize!=fileSize) EXM_THROW(35, "Error reading dictionary file %s", fileName); }
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@ -373,8 +369,8 @@ static int FIO_compressFilename_internal(cRess_t ress,
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}
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/*! FIO_compressFilename_internal() :
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* same as FIO_compressFilename_extRess(), with ress.destFile already opened (typically stdout)
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/*! FIO_compressFilename_srcFile() :
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* note : ress.destFile already opened
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* @return : 0 : compression completed correctly,
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* 1 : missing or pb opening srcFileName
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*/
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@ -411,11 +407,11 @@ static int FIO_compressFilename_dstFile(cRess_t ress,
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int result;
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ress.dstFile = FIO_openDstFile(dstFileName);
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if (ress.dstFile==0) { DISPLAYLEVEL(1, "zstd: %s: %s \n", dstFileName, strerror(errno)); return 1; }
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if (ress.dstFile==0) return 1;
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result = FIO_compressFilename_srcFile(ress, dstFileName, srcFileName, cLevel);
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if (fclose(ress.dstFile)) EXM_THROW(28, "Write error : cannot properly close %s", dstFileName);
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if (fclose(ress.dstFile)) { DISPLAYLEVEL(1, "zstd: %s: %s \n", dstFileName, strerror(errno)); result=1; }
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if (result!=0) remove(dstFileName); /* remove operation artefact */
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return result;
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}
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@ -427,13 +423,13 @@ int FIO_compressFilename(const char* dstFileName, const char* srcFileName,
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clock_t const start = clock();
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cRess_t const ress = FIO_createCResources(dictFileName);
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int const issueWithSrcFile = FIO_compressFilename_dstFile(ress, dstFileName, srcFileName, compressionLevel);
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FIO_freeCResources(ress);
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int const result = FIO_compressFilename_dstFile(ress, dstFileName, srcFileName, compressionLevel);
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{ double const seconds = (double)(clock() - start) / CLOCKS_PER_SEC;
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DISPLAYLEVEL(4, "Completed in %.2f sec \n", seconds);
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}
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return issueWithSrcFile;
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double const seconds = (double)(clock() - start) / CLOCKS_PER_SEC;
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DISPLAYLEVEL(4, "Completed in %.2f sec \n", seconds);
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FIO_freeCResources(ress);
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return result;
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}
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