diff options
Diffstat (limited to 'src/lib/crypto/crypto_tests/t_crc.c')
| -rw-r--r-- | src/lib/crypto/crypto_tests/t_crc.c | 89 |
1 files changed, 45 insertions, 44 deletions
diff --git a/src/lib/crypto/crypto_tests/t_crc.c b/src/lib/crypto/crypto_tests/t_crc.c index cf837f8..6d06334 100644 --- a/src/lib/crypto/crypto_tests/t_crc.c +++ b/src/lib/crypto/crypto_tests/t_crc.c @@ -1,3 +1,4 @@ +/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */ /* * lib/crypto/crc32/t_crc.c * @@ -36,9 +37,9 @@ #define HEX 1 #define STR 2 struct crc_trial { - int type; - char *data; - unsigned long sum; + int type; + char *data; + unsigned long sum; }; struct crc_trial trials[] = { @@ -115,42 +116,42 @@ timetest(unsigned int nblk, unsigned int blksiz) block = malloc(blksiz * nblk); if (block == NULL) - exit(1); + exit(1); for (i = 0; i < blksiz * nblk; i++) - block[i] = i % 256; + block[i] = i % 256; times(&before); for (i = 0; i < nblk; i++) { - mit_crc32(block + i * blksiz, blksiz, &cksum); + mit_crc32(block + i * blksiz, blksiz, &cksum); } times(&after); printf("shift-8 implementation, %d blocks of %d bytes:\n", - nblk, blksiz); + nblk, blksiz); printf("\tu=%ld s=%ld cu=%ld cs=%ld\n", - (long)(after.tms_utime - before.tms_utime), - (long)(after.tms_stime - before.tms_stime), - (long)(after.tms_cutime - before.tms_cutime), - (long)(after.tms_cstime - before.tms_cstime)); + (long)(after.tms_utime - before.tms_utime), + (long)(after.tms_stime - before.tms_stime), + (long)(after.tms_cutime - before.tms_cutime), + (long)(after.tms_cstime - before.tms_cstime)); #ifdef CRC32_SHIFT4 times(&before); for (i = 0; i < nblk; i++) { - mit_crc32_shift4(block + i * blksiz, blksiz, &cksum); + mit_crc32_shift4(block + i * blksiz, blksiz, &cksum); } times(&after); printf("shift-4 implementation, %d blocks of %d bytes:\n", - nblk, blksiz); + nblk, blksiz); printf("\tu=%ld s=%ld cu=%ld cs=%ld\n", - (long)(after.tms_utime - before.tms_utime), - (long)(after.tms_stime - before.tms_stime), - (long)(after.tms_cutime - before.tms_cutime), - (long)(after.tms_cstime - before.tms_cstime)); + (long)(after.tms_utime - before.tms_utime), + (long)(after.tms_stime - before.tms_stime), + (long)(after.tms_cutime - before.tms_cutime), + (long)(after.tms_cstime - before.tms_cstime)); #endif free(block); } static void gethexstr(char *data, size_t *outlen, unsigned char *outbuf, - size_t buflen) + size_t buflen) { size_t inlen; char *cp, buf[3]; @@ -159,12 +160,12 @@ static void gethexstr(char *data, size_t *outlen, unsigned char *outbuf, inlen = strlen(data); *outlen = 0; for (cp = data; cp - data < inlen; cp += 2) { - strncpy(buf, cp, 2); - buf[2] = '\0'; - n = strtol(buf, NULL, 16); - outbuf[(*outlen)++] = n; - if (*outlen > buflen) - break; + strncpy(buf, cp, 2); + buf[2] = '\0'; + n = strtol(buf, NULL, 16); + outbuf[(*outlen)++] = n; + if (*outlen > buflen) + break; } } @@ -179,26 +180,26 @@ verify(void) char *typestr; for (i = 0; i < NTRIALS; i++) { - trial = trials[i]; - switch (trial.type) { - case STR: - len = strlen(trial.data); - typestr = "STR"; - mit_crc32(trial.data, len, &cksum); - break; - case HEX: - typestr = "HEX"; - gethexstr(trial.data, &len, buf, 4); - mit_crc32(buf, len, &cksum); - break; - default: - typestr = "BOGUS"; - fprintf(stderr, "bad trial type %d\n", trial.type); - exit(1); - } - printf("%s: %s \"%s\" = 0x%08lx\n", - (trial.sum == cksum) ? "OK" : "***BAD***", - typestr, trial.data, cksum); + trial = trials[i]; + switch (trial.type) { + case STR: + len = strlen(trial.data); + typestr = "STR"; + mit_crc32(trial.data, len, &cksum); + break; + case HEX: + typestr = "HEX"; + gethexstr(trial.data, &len, buf, 4); + mit_crc32(buf, len, &cksum); + break; + default: + typestr = "BOGUS"; + fprintf(stderr, "bad trial type %d\n", trial.type); + exit(1); + } + printf("%s: %s \"%s\" = 0x%08lx\n", + (trial.sum == cksum) ? "OK" : "***BAD***", + typestr, trial.data, cksum); } } |