diff options
Diffstat (limited to 'util/compress/libdeflate/programs/checksum.c')
| -rw-r--r-- | util/compress/libdeflate/programs/checksum.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/util/compress/libdeflate/programs/checksum.c b/util/compress/libdeflate/programs/checksum.c deleted file mode 100644 index 0d394723b..000000000 --- a/util/compress/libdeflate/programs/checksum.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - * checksum.c - Adler-32 and CRC-32 checksumming program - * - * Copyright 2016 Eric Biggers - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following - * conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "test_util.h" - -static const tchar *const optstring = T("Ahs:tZ"); - -static void -show_usage(FILE *fp) -{ - fprintf(fp, -"Usage: %"TS" [-A] [-h] [-s SIZE] [-t] [-Z] [FILE]...\n" -"Calculate Adler-32 or CRC-32 checksums of the specified FILEs.\n" -"\n" -"Options:\n" -" -A use Adler-32 (default is CRC-32)\n" -" -h print this help\n" -" -s SIZE chunk size\n" -" -t show checksum speed, excluding I/O\n" -" -Z use zlib implementation instead of libdeflate\n", - prog_invocation_name); -} - -typedef u32 (*cksum_fn_t)(u32, const void *, size_t); - -static u32 -adler32_libdeflate(u32 adler, const void *buf, size_t len) -{ - return libdeflate_adler32(adler, buf, len); -} - -static u32 -crc32_libdeflate(u32 crc, const void *buf, size_t len) -{ - return libdeflate_crc32(crc, buf, len); -} - -static u32 -adler32_zlib(u32 adler, const void *buf, size_t len) -{ - return adler32(adler, buf, len); -} - -static u32 -crc32_zlib(u32 crc, const void *buf, size_t len) -{ - return crc32(crc, buf, len); -} - -static int -checksum_stream(struct file_stream *in, cksum_fn_t cksum, u32 *sum, - void *buf, size_t bufsize, u64 *size_ret, u64 *elapsed_ret) -{ - u64 size = 0; - u64 elapsed = 0; - - for (;;) { - ssize_t ret; - u64 start_time; - - ret = xread(in, buf, bufsize); - if (ret < 0) - return ret; - if (ret == 0) - break; - - size += ret; - start_time = timer_ticks(); - *sum = cksum(*sum, buf, ret); - elapsed += timer_ticks() - start_time; - } - - if (elapsed == 0) - elapsed = 1; - *size_ret = size; - *elapsed_ret = elapsed; - return 0; -} - -int -tmain(int argc, tchar *argv[]) -{ - bool use_adler32 = false; - bool use_zlib_impl = false; - bool do_timing = false; - void *buf; - size_t bufsize = 131072; - tchar *default_file_list[] = { NULL }; - cksum_fn_t cksum; - int opt_char; - int i; - int ret; - - begin_program(argv); - - while ((opt_char = tgetopt(argc, argv, optstring)) != -1) { - switch (opt_char) { - case 'A': - use_adler32 = true; - break; - case 'h': - show_usage(stdout); - return 0; - case 's': - bufsize = tstrtoul(toptarg, NULL, 10); - if (bufsize == 0) { - msg("invalid chunk size: \"%"TS"\"", toptarg); - return 1; - } - break; - case 't': - do_timing = true; - break; - case 'Z': - use_zlib_impl = true; - break; - default: - show_usage(stderr); - return 1; - } - } - - argc -= toptind; - argv += toptind; - - if (use_adler32) { - if (use_zlib_impl) - cksum = adler32_zlib; - else - cksum = adler32_libdeflate; - } else { - if (use_zlib_impl) - cksum = crc32_zlib; - else - cksum = crc32_libdeflate; - } - - buf = xmalloc(bufsize); - if (buf == NULL) - return 1; - - if (argc == 0) { - argv = default_file_list; - argc = ARRAY_LEN(default_file_list); - } else { - for (i = 0; i < argc; i++) - if (argv[i][0] == '-' && argv[i][1] == '\0') - argv[i] = NULL; - } - - for (i = 0; i < argc; i++) { - struct file_stream in; - u32 sum = cksum(0, NULL, 0); - u64 size = 0; - u64 elapsed = 0; - - ret = xopen_for_read(argv[i], true, &in); - if (ret != 0) - goto out; - - ret = checksum_stream(&in, cksum, &sum, buf, bufsize, - &size, &elapsed); - if (ret == 0) { - if (do_timing) { - printf("%08"PRIx32"\t%"TS"\t" - "%"PRIu64" ms\t%"PRIu64" MB/s\n", - sum, in.name, timer_ticks_to_ms(elapsed), - timer_MB_per_s(size, elapsed)); - } else { - printf("%08"PRIx32"\t%"TS"\t\n", sum, in.name); - } - } - - xclose(&in); - - if (ret != 0) - goto out; - } - ret = 0; -out: - free(buf); - return -ret; -} |