/* $Id$ */ /* snprintf test suite. */ /* Copyright (c) 2004, 2005, 2006 by Internet Systems Consortium, Inc. ("ISC") Copyright (c) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 by The Internet Software Consortium and Rich Salz This code is derived from software contributed to the Internet Software Consortium by Rich Salz. Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include int test_snprintf(char *str, size_t count, const char *fmt, ...); int test_vsnprintf(char *str, size_t count, const char *fmt, va_list args); static const char string[] = "abcdefghijklmnopqrstuvwxyz0123456789"; static const char *const fp_formats[] = { "%-1.5f", "%1.5f", "%31.9f", "%10.5f", "% 10.5f", "%+22.9f", "%+4.9f", "%01.3f", "%3.1f", "%3.2f", "%.0f", "%.1f", "%f", /* %e and %g formats aren't really implemented yet. */ #if 0 "%-1.5e", "%1.5e", "%31.9e", "%10.5e", "% 10.5e", "%+22.9e", "%+4.9e", "%01.3e", "%3.1e", "%3.2e", "%.0e", "%.1e", "%e", "%-1.5g", "%1.5g", "%31.9g", "%10.5g", "% 10.5g", "%+22.9g", "%+4.9g", "%01.3g", "%3.1g", "%3.2g", "%.0g", "%.1g", "%g", #endif NULL }; static const char *const int_formats[] = { "%-1.5d", "%1.5d", "%31.9d", "%5.5d", "%10.5d", "% 10.5d", "%+22.30d", "%01.3d", "%4d", "%d", "%ld", NULL }; static const char *const uint_formats[] = { "%-1.5lu", "%1.5lu", "%31.9lu", "%5.5lu", "%10.5lu", "% 10.5lu", "%+6.30lu", "%01.3lu", "%4lu", "%lu", "%4lx", "%4lX", "%01.3lx", "%1lo", NULL }; static const char *const llong_formats[] = { "%lld", "%-1.5lld", "%1.5lld", "%123.9lld", "%5.5lld", "%10.5lld", "% 10.5lld", "%+22.33lld", "%01.3lld", "%4lld", NULL }; static const char *const ullong_formats[] = { "%llu", "%-1.5llu", "%1.5llu", "%123.9llu", "%5.5llu", "%10.5llu", "% 10.5llu", "%+22.33llu", "%01.3llu", "%4llu", "%llx", "%llo", NULL }; static const double fp_nums[] = { -1.5, 134.21, 91340.2, 341.1234, 0203.9, 0.96, 0.996, 0.9996, 1.996, 4.136, 0.1, 0.01, 0.001, 10.1, 0 }; static long int_nums[] = { -1, 134, 91340, 341, 0203, 0 }; static unsigned long uint_nums[] = { (unsigned long) -1, 134, 91340, 341, 0203, 0 }; static long long llong_nums[] = { ~(long long) 0, /* All-1 bit pattern. */ (~(unsigned long long) 0) >> 1, /* Largest signed long long. */ -150, 134, 91340, 341, 0 }; static unsigned long long ullong_nums[] = { ~(unsigned long long) 0, /* All-1 bit pattern. */ (~(unsigned long long) 0) >> 1, /* Largest signed long long. */ 134, 91340, 341, 0 }; static void test_format(int n, int truncate, const char *expected, int count, const char *format, ...) { char buf[128]; int result; va_list args; va_start(args, format); result = test_vsnprintf(buf, truncate ? 32 : sizeof(buf), format, args); va_end(args); if (!strcmp(buf, expected) && result == count) { printf("ok %d\n", n); } else { printf("not ok %d\n", n); printf(" format: %s\n", format); if (strcmp(buf, expected)) printf(" saw: %s\n want: %s\n", buf, expected); if (result != count) printf(" %d != %d\n", result, count); } } int main(void) { int n, i, count; unsigned int j; long lcount; char lgbuf[128]; test_init((26 + (ARRAY_SIZE(fp_formats) - 1) * ARRAY_SIZE(fp_nums) + (ARRAY_SIZE(int_formats) - 1) * ARRAY_SIZE(int_nums) + (ARRAY_SIZE(uint_formats) - 1) * ARRAY_SIZE(uint_nums) + (ARRAY_SIZE(llong_formats) - 1) * ARRAY_SIZE(llong_nums) + (ARRAY_SIZE(ullong_formats) - 1) * ARRAY_SIZE(ullong_nums))); ok(1, test_snprintf(NULL, 0, "%s", "abcd") == 4); ok(2, test_snprintf(NULL, 0, "%d", 20) == 2); ok(3, test_snprintf(NULL, 0, "Test %.2s", "abcd") == 7); ok(4, test_snprintf(NULL, 0, "%c", 'a') == 1); ok(5, test_snprintf(NULL, 0, "") == 0); test_format(6, 1, "abcd", 4, "%s", "abcd"); test_format(7, 1, "20", 2, "%d", 20); test_format(8, 1, "Test ab", 7, "Test %.2s", "abcd"); test_format(9, 1, "a", 1, "%c", 'a'); test_format(10, 1, "", 0, ""); test_format(11, 1, "abcdefghijklmnopqrstuvwxyz01234", 36, "%s", string); test_format(12, 1, "abcdefghij", 10, "%.10s", string); test_format(13, 1, " abcdefghij", 12, "%12.10s", string); test_format(14, 1, " abcdefghijklmnopqrstuvwxyz0", 40, "%40s", string); test_format(15, 1, "abcdefghij ", 14, "%-14.10s", string); test_format(16, 1, " abcdefghijklmnopq", 50, "%50s", string); test_format(17, 1, "%abcd%", 6, "%%%0s%%", "abcd"); test_format(18, 1, "", 0, "%.0s", string); test_format(19, 1, "abcdefghijklmnopqrstuvwxyz 444", 32, "%.26s %d", string, 4444); test_format(20, 1, "abcdefghijklmnopqrstuvwxyz -2.", 32, "%.26s %.1f", string, -2.5); test_format(21, 1, "abcdefghij4444", 14, "%.10s%n%d", string, &count, 4444); ok(22, count == 10); test_format(23, 1, "abcdefghijklmnopqrstuvwxyz01234", 36, "%n%s%ln", &count, string, &lcount); ok(24, count == 0); ok(25, lcount == 31); test_format(26, 1, "(null)", 6, "%s", NULL); n = 26; for (i = 0; fp_formats[i] != NULL; i++) for (j = 0; j < ARRAY_SIZE(fp_nums); j++) { count = sprintf(lgbuf, fp_formats[i], fp_nums[j]); test_format(++n, 0, lgbuf, count, fp_formats[i], fp_nums[j]); } for (i = 0; int_formats[i] != NULL; i++) for (j = 0; j < ARRAY_SIZE(int_nums); j++) { count = sprintf(lgbuf, int_formats[i], int_nums[j]); test_format(++n, 0, lgbuf, count, int_formats[i], int_nums[j]); } for (i = 0; uint_formats[i] != NULL; i++) for (j = 0; j < ARRAY_SIZE(uint_nums); j++) { count = sprintf(lgbuf, uint_formats[i], uint_nums[j]); test_format(++n, 0, lgbuf, count, uint_formats[i], uint_nums[j]); } for (i = 0; llong_formats[i] != NULL; i++) for (j = 0; j < ARRAY_SIZE(llong_nums); j++) { count = sprintf(lgbuf, llong_formats[i], llong_nums[j]); test_format(++n, 0, lgbuf, count, llong_formats[i], llong_nums[j]); } for (i = 0; ullong_formats[i] != NULL; i++) for (j = 0; j < ARRAY_SIZE(ullong_nums); j++) { count = sprintf(lgbuf, ullong_formats[i], ullong_nums[j]); test_format(++n, 0, lgbuf, count, ullong_formats[i], ullong_nums[j]); } return 0; }