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Diffstat (limited to 'lib/roken/snprintf-test.c')
| -rw-r--r-- | lib/roken/snprintf-test.c | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/lib/roken/snprintf-test.c b/lib/roken/snprintf-test.c new file mode 100644 index 000000000000..047d54b63ffd --- /dev/null +++ b/lib/roken/snprintf-test.c @@ -0,0 +1,269 @@ +/* + * Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of KTH nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "snprintf-test.h" +#include "roken.h" +#include <limits.h> + +RCSID("$Id: snprintf-test.c 21627 2007-07-17 10:53:17Z lha $"); + +static int +try (const char *format, ...) +{ + int ret; + va_list ap; + char buf1[256], buf2[256]; + + va_start (ap, format); + ret = vsnprintf (buf1, sizeof(buf1), format, ap); + if (ret >= sizeof(buf1)) + errx (1, "increase buf and try again"); + va_end (ap); + va_start (ap, format); + vsprintf (buf2, format, ap); + ret = strcmp (buf1, buf2); + if (ret) + printf ("failed: format = \"%s\", \"%s\" != \"%s\"\n", + format, buf1, buf2); + va_end (ap); + return ret; +} + +static int +cmp_with_sprintf_int (void) +{ + int tot = 0; + int int_values[] = {INT_MIN, -17, -1, 0, 1, 17, 4711, 65535, INT_MAX}; + int i; + + for (i = 0; i < sizeof(int_values) / sizeof(int_values[0]); ++i) { + tot += try ("%d", int_values[i]); + tot += try ("%x", int_values[i]); + tot += try ("%X", int_values[i]); + tot += try ("%o", int_values[i]); + tot += try ("%#x", int_values[i]); + tot += try ("%#X", int_values[i]); + tot += try ("%#o", int_values[i]); + tot += try ("%10d", int_values[i]); + tot += try ("%10x", int_values[i]); + tot += try ("%10X", int_values[i]); + tot += try ("%10o", int_values[i]); + tot += try ("%#10x", int_values[i]); + tot += try ("%#10X", int_values[i]); + tot += try ("%#10o", int_values[i]); + tot += try ("%-10d", int_values[i]); + tot += try ("%-10x", int_values[i]); + tot += try ("%-10X", int_values[i]); + tot += try ("%-10o", int_values[i]); + tot += try ("%-#10x", int_values[i]); + tot += try ("%-#10X", int_values[i]); + tot += try ("%-#10o", int_values[i]); + } + return tot; +} + +static int +cmp_with_sprintf_long (void) +{ + int tot = 0; + long long_values[] = {LONG_MIN, -17, -1, 0, 1, 17, 4711, 65535, LONG_MAX}; + int i; + + for (i = 0; i < sizeof(long_values) / sizeof(long_values[0]); ++i) { + tot += try ("%ld", long_values[i]); + tot += try ("%lx", long_values[i]); + tot += try ("%lX", long_values[i]); + tot += try ("%lo", long_values[i]); + tot += try ("%#lx", long_values[i]); + tot += try ("%#lX", long_values[i]); + tot += try ("%#lo", long_values[i]); + tot += try ("%10ld", long_values[i]); + tot += try ("%10lx", long_values[i]); + tot += try ("%10lX", long_values[i]); + tot += try ("%10lo", long_values[i]); + tot += try ("%#10lx", long_values[i]); + tot += try ("%#10lX", long_values[i]); + tot += try ("%#10lo", long_values[i]); + tot += try ("%-10ld", long_values[i]); + tot += try ("%-10lx", long_values[i]); + tot += try ("%-10lX", long_values[i]); + tot += try ("%-10lo", long_values[i]); + tot += try ("%-#10lx", long_values[i]); + tot += try ("%-#10lX", long_values[i]); + tot += try ("%-#10lo", long_values[i]); + } + return tot; +} + +#ifdef HAVE_LONG_LONG + +/* XXX doesn't work as expected on lp64 platforms with sizeof(long + * long) == sizeof(long) */ + +static int +cmp_with_sprintf_long_long (void) +{ + int tot = 0; + long long long_long_values[] = { + ((long long)LONG_MIN) -1, LONG_MIN, -17, -1, + 0, + 1, 17, 4711, 65535, LONG_MAX, ((long long)LONG_MAX) + 1}; + int i; + + for (i = 0; i < sizeof(long_long_values) / sizeof(long_long_values[0]); ++i) { + tot += try ("%lld", long_long_values[i]); + tot += try ("%llx", long_long_values[i]); + tot += try ("%llX", long_long_values[i]); + tot += try ("%llo", long_long_values[i]); + tot += try ("%#llx", long_long_values[i]); + tot += try ("%#llX", long_long_values[i]); + tot += try ("%#llo", long_long_values[i]); + tot += try ("%10lld", long_long_values[i]); + tot += try ("%10llx", long_long_values[i]); + tot += try ("%10llX", long_long_values[i]); + tot += try ("%10llo", long_long_values[i]); + tot += try ("%#10llx", long_long_values[i]); + tot += try ("%#10llX", long_long_values[i]); + tot += try ("%#10llo", long_long_values[i]); + tot += try ("%-10lld", long_long_values[i]); + tot += try ("%-10llx", long_long_values[i]); + tot += try ("%-10llX", long_long_values[i]); + tot += try ("%-10llo", long_long_values[i]); + tot += try ("%-#10llx", long_long_values[i]); + tot += try ("%-#10llX", long_long_values[i]); + tot += try ("%-#10llo", long_long_values[i]); + } + return tot; +} + +#endif + +#if 0 +static int +cmp_with_sprintf_float (void) +{ + int tot = 0; + double double_values[] = {-99999, -999, -17.4, -4.3, -3.0, -1.5, -1, + 0, 0.1, 0.2342374852, 0.2340007, + 3.1415926, 14.7845, 34.24758, 9999, 9999999}; + int i; + + for (i = 0; i < sizeof(double_values) / sizeof(double_values[0]); ++i) { + tot += try ("%f", double_values[i]); + tot += try ("%10f", double_values[i]); + tot += try ("%.2f", double_values[i]); + tot += try ("%7.0f", double_values[i]); + tot += try ("%5.2f", double_values[i]); + tot += try ("%0f", double_values[i]); + tot += try ("%#f", double_values[i]); + tot += try ("%e", double_values[i]); + tot += try ("%10e", double_values[i]); + tot += try ("%.2e", double_values[i]); + tot += try ("%7.0e", double_values[i]); + tot += try ("%5.2e", double_values[i]); + tot += try ("%0e", double_values[i]); + tot += try ("%#e", double_values[i]); + tot += try ("%E", double_values[i]); + tot += try ("%10E", double_values[i]); + tot += try ("%.2E", double_values[i]); + tot += try ("%7.0E", double_values[i]); + tot += try ("%5.2E", double_values[i]); + tot += try ("%0E", double_values[i]); + tot += try ("%#E", double_values[i]); + tot += try ("%g", double_values[i]); + tot += try ("%10g", double_values[i]); + tot += try ("%.2g", double_values[i]); + tot += try ("%7.0g", double_values[i]); + tot += try ("%5.2g", double_values[i]); + tot += try ("%0g", double_values[i]); + tot += try ("%#g", double_values[i]); + tot += try ("%G", double_values[i]); + tot += try ("%10G", double_values[i]); + tot += try ("%.2G", double_values[i]); + tot += try ("%7.0G", double_values[i]); + tot += try ("%5.2G", double_values[i]); + tot += try ("%0G", double_values[i]); + tot += try ("%#G", double_values[i]); + } + return tot; +} +#endif + +static int +test_null (void) +{ + return snprintf (NULL, 0, "foo") != 3; +} + +static int +test_sizet (void) +{ + int tot = 0; + size_t sizet_values[] = { 0, 1, 2, 200, 4294967295u }; /* SIZE_MAX */ + char *result[] = { "0", "1", "2", "200", "4294967295" }; + int i; + + for (i = 0; i < sizeof(sizet_values) / sizeof(sizet_values[0]); ++i) { +#if 0 + tot += try("%zu", sizet_values[i]); + tot += try("%zx", sizet_values[i]); + tot += try("%zX", sizet_values[i]); +#else + char buf[256]; + snprintf(buf, sizeof(buf), "%zu", sizet_values[i]); + if (strcmp(buf, result[i]) != 0) { + printf("%s != %s", buf, result[i]); + tot++; + } +#endif + } + return tot; +} + + +int +main (int argc, char **argv) +{ + int ret = 0; + + ret += cmp_with_sprintf_int (); + ret += cmp_with_sprintf_long (); +#ifdef HAVE_LONG_LONG + ret += cmp_with_sprintf_long_long (); +#endif + ret += test_null (); + ret += test_sizet (); + return ret; +} |