NetBSD/crypto/dist/krb4/lib/roken/snprintf-test.c

240 lines
7.6 KiB
C

/*
* 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 "roken.h"
#include <limits.h>
#include "snprintf-test.h"
__RCSID("$KTH-KRB: snprintf-test.c,v 1.5 2001/09/13 01:01:16 assar Exp $"
"$NetBSD: snprintf-test.c,v 1.1.1.2 2002/09/12 12:22:11 joda Exp $");
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");
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
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;
}
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 ();
return ret;
}