Function FIO_compressFilename_internal

freebsd/contrib/zstd/programs/fileio.c:1490–1574

! FIO_compressFilename_internal() : * same as FIO_compressFilename_extRess(), with `ress.desFile` already opened. * @return : 0 : compression completed correctly, * 1 : missing or pb opening srcFileName */

 *            1 : missing or pb opening srcFileName
 */
static int
FIO_compressFilename_internal(FIO_ctx_t* const fCtx,
                              FIO_prefs_t* const prefs,
                              cRess_t ress,
                              const char* dstFileName, const char* srcFileName,
                              int compressionLevel)
{
    UTIL_time_t const timeStart = UTIL_getTime();
    clock_t const cpuStart = clock();
    U64 readsize = 0;
    U64 compressedfilesize = 0;
    U64 const fileSize = UTIL_getFileSize(srcFileName);
    DISPLAYLEVEL(5, "%s: %u bytes \n", srcFileName, (unsigned)fileSize);

    /* compression format selection */
    switch (prefs->compressionType) {
        default:
        case FIO_zstdCompression:
            compressedfilesize = FIO_compressZstdFrame(fCtx, prefs, &ress, srcFileName, fileSize, compressionLevel, &readsize);
            break;

        case FIO_gzipCompression:
#ifdef ZSTD_GZCOMPRESS
            compressedfilesize = FIO_compressGzFrame(&ress, srcFileName, fileSize, compressionLevel, &readsize);
#else
            (void)compressionLevel;
            EXM_THROW(20, "zstd: %s: file cannot be compressed as gzip (zstd compiled without ZSTD_GZCOMPRESS) -- ignored \n",
                            srcFileName);
#endif
            break;

        case FIO_xzCompression:
        case FIO_lzmaCompression:
#ifdef ZSTD_LZMACOMPRESS
            compressedfilesize = FIO_compressLzmaFrame(&ress, srcFileName, fileSize, compressionLevel, &readsize, prefs->compressionType==FIO_lzmaCompression);
#else
            (void)compressionLevel;
            EXM_THROW(20, "zstd: %s: file cannot be compressed as xz/lzma (zstd compiled without ZSTD_LZMACOMPRESS) -- ignored \n",
                            srcFileName);
#endif
            break;

        case FIO_lz4Compression:
#ifdef ZSTD_LZ4COMPRESS
            compressedfilesize = FIO_compressLz4Frame(&ress, srcFileName, fileSize, compressionLevel, prefs->checksumFlag, &readsize);
#else
            (void)compressionLevel;
            EXM_THROW(20, "zstd: %s: file cannot be compressed as lz4 (zstd compiled without ZSTD_LZ4COMPRESS) -- ignored \n",
                            srcFileName);
#endif
            break;
    }

    /* Status */
    fCtx->totalBytesInput += (size_t)readsize;
    fCtx->totalBytesOutput += (size_t)compressedfilesize;
    DISPLAYLEVEL(2, "\r%79s\r", "");
    if (g_display_prefs.displayLevel >= 2 &&