crypto/heimdal-0.6.3/lib/roken/snprintf-test.c

   1 /*
   2  * Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of KTH nor the names of its contributors may be
  18  *    used to endorse or promote products derived from this software without
  19  *    specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  28  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
  32
  33 #ifdef HAVE_CONFIG_H
  34 #include <config.h>
  35 #endif
  36 #include "roken.h"
  37 #include <limits.h>
  38
  39 #include "snprintf-test.h"
  40
  41 RCSID("$Id: snprintf-test.c,v 1.5 2001/09/13 01:01:16 assar Exp $");
  42
  43 static int
  44 try (const char *format, ...)
  45 {
  46     int ret;
  47     va_list ap;
  48     char buf1[256], buf2[256];
  49
  50     va_start (ap, format);
  51     ret = vsnprintf (buf1, sizeof(buf1), format, ap);
  52     if (ret >= sizeof(buf1))
  53         errx (1, "increase buf and try again");
  54     vsprintf (buf2, format, ap);
  55     ret = strcmp (buf1, buf2);
  56     if (ret)
  57         printf ("failed: format = \"%s\", \"%s\" != \"%s\"\n",
  58                 format, buf1, buf2);
  59     va_end (ap);
  60     return ret;
  61 }
  62
  63 static int
  64 cmp_with_sprintf_int (void)
  65 {
  66     int tot = 0;
  67     int int_values[] = {INT_MIN, -17, -1, 0, 1, 17, 4711, 65535, INT_MAX};
  68     int i;
  69
  70     for (i = 0; i < sizeof(int_values) / sizeof(int_values[0]); ++i) {
  71         tot += try ("%d", int_values[i]);
  72         tot += try ("%x", int_values[i]);
  73         tot += try ("%X", int_values[i]);
  74         tot += try ("%o", int_values[i]);
  75         tot += try ("%#x", int_values[i]);
  76         tot += try ("%#X", int_values[i]);
  77         tot += try ("%#o", int_values[i]);
  78         tot += try ("%10d", int_values[i]);
  79         tot += try ("%10x", int_values[i]);
  80         tot += try ("%10X", int_values[i]);
  81         tot += try ("%10o", int_values[i]);
  82         tot += try ("%#10x", int_values[i]);
  83         tot += try ("%#10X", int_values[i]);
  84         tot += try ("%#10o", int_values[i]);
  85         tot += try ("%-10d", int_values[i]);
  86         tot += try ("%-10x", int_values[i]);
  87         tot += try ("%-10X", int_values[i]);
  88         tot += try ("%-10o", int_values[i]);
  89         tot += try ("%-#10x", int_values[i]);
  90         tot += try ("%-#10X", int_values[i]);
  91         tot += try ("%-#10o", int_values[i]);
  92     }
  93     return tot;
  94 }
  95
  96 static int
  97 cmp_with_sprintf_long (void)
  98 {
  99     int tot = 0;
 100     long long_values[] = {LONG_MIN, -17, -1, 0, 1, 17, 4711, 65535, LONG_MAX};
 101     int i;
 102
 103     for (i = 0; i < sizeof(long_values) / sizeof(long_values[0]); ++i) {
 104         tot += try ("%ld", long_values[i]);
 105         tot += try ("%lx", long_values[i]);
 106         tot += try ("%lX", long_values[i]);
 107         tot += try ("%lo", long_values[i]);
 108         tot += try ("%#lx", long_values[i]);
 109         tot += try ("%#lX", long_values[i]);
 110         tot += try ("%#lo", long_values[i]);
 111         tot += try ("%10ld", long_values[i]);
 112         tot += try ("%10lx", long_values[i]);
 113         tot += try ("%10lX", long_values[i]);
 114         tot += try ("%10lo", long_values[i]);
 115         tot += try ("%#10lx", long_values[i]);
 116         tot += try ("%#10lX", long_values[i]);
 117         tot += try ("%#10lo", long_values[i]);
 118         tot += try ("%-10ld", long_values[i]);
 119         tot += try ("%-10lx", long_values[i]);
 120         tot += try ("%-10lX", long_values[i]);
 121         tot += try ("%-10lo", long_values[i]);
 122         tot += try ("%-#10lx", long_values[i]);
 123         tot += try ("%-#10lX", long_values[i]);
 124         tot += try ("%-#10lo", long_values[i]);
 125     }
 126     return tot;
 127 }
 128
 129 #ifdef HAVE_LONG_LONG
 130
 131 static int
 132 cmp_with_sprintf_long_long (void)
 133 {
 134     int tot = 0;
 135     long long long_long_values[] = {
 136         ((long long)LONG_MIN) -1, LONG_MIN, -17, -1,
 137         0,
 138         1, 17, 4711, 65535, LONG_MAX, ((long long)LONG_MAX) + 1};
 139     int i;
 140
 141     for (i = 0; i < sizeof(long_long_values) / sizeof(long_long_values[0]); ++i) {
 142         tot += try ("%lld", long_long_values[i]);
 143         tot += try ("%llx", long_long_values[i]);
 144         tot += try ("%llX", long_long_values[i]);
 145         tot += try ("%llo", long_long_values[i]);
 146         tot += try ("%#llx", long_long_values[i]);
 147         tot += try ("%#llX", long_long_values[i]);
 148         tot += try ("%#llo", long_long_values[i]);
 149         tot += try ("%10lld", long_long_values[i]);
 150         tot += try ("%10llx", long_long_values[i]);
 151         tot += try ("%10llX", long_long_values[i]);
 152         tot += try ("%10llo", long_long_values[i]);
 153         tot += try ("%#10llx", long_long_values[i]);
 154         tot += try ("%#10llX", long_long_values[i]);
 155         tot += try ("%#10llo", long_long_values[i]);
 156         tot += try ("%-10lld", long_long_values[i]);
 157         tot += try ("%-10llx", long_long_values[i]);
 158         tot += try ("%-10llX", long_long_values[i]);
 159         tot += try ("%-10llo", long_long_values[i]);
 160         tot += try ("%-#10llx", long_long_values[i]);
 161         tot += try ("%-#10llX", long_long_values[i]);
 162         tot += try ("%-#10llo", long_long_values[i]);
 163     }
 164     return tot;
 165 }
 166
 167 #endif
 168
 169 #if 0
 170 static int
 171 cmp_with_sprintf_float (void)
 172 {
 173     int tot = 0;
 174     double double_values[] = {-99999, -999, -17.4, -4.3, -3.0, -1.5, -1,
 175                               0, 0.1, 0.2342374852, 0.2340007,
 176                               3.1415926, 14.7845, 34.24758, 9999, 9999999};
 177     int i;
 178
 179     for (i = 0; i < sizeof(double_values) / sizeof(double_values[0]); ++i) {
 180         tot += try ("%f", double_values[i]);
 181         tot += try ("%10f", double_values[i]);
 182         tot += try ("%.2f", double_values[i]);
 183         tot += try ("%7.0f", double_values[i]);
 184         tot += try ("%5.2f", double_values[i]);
 185         tot += try ("%0f", double_values[i]);
 186         tot += try ("%#f", double_values[i]);
 187         tot += try ("%e", double_values[i]);
 188         tot += try ("%10e", double_values[i]);
 189         tot += try ("%.2e", double_values[i]);
 190         tot += try ("%7.0e", double_values[i]);
 191         tot += try ("%5.2e", double_values[i]);
 192         tot += try ("%0e", double_values[i]);
 193         tot += try ("%#e", double_values[i]);
 194         tot += try ("%E", double_values[i]);
 195         tot += try ("%10E", double_values[i]);
 196         tot += try ("%.2E", double_values[i]);
 197         tot += try ("%7.0E", double_values[i]);
 198         tot += try ("%5.2E", double_values[i]);
 199         tot += try ("%0E", double_values[i]);
 200         tot += try ("%#E", double_values[i]);
 201         tot += try ("%g", double_values[i]);
 202         tot += try ("%10g", double_values[i]);
 203         tot += try ("%.2g", double_values[i]);
 204         tot += try ("%7.0g", double_values[i]);
 205         tot += try ("%5.2g", double_values[i]);
 206         tot += try ("%0g", double_values[i]);
 207         tot += try ("%#g", double_values[i]);
 208         tot += try ("%G", double_values[i]);
 209         tot += try ("%10G", double_values[i]);
 210         tot += try ("%.2G", double_values[i]);
 211         tot += try ("%7.0G", double_values[i]);
 212         tot += try ("%5.2G", double_values[i]);
 213         tot += try ("%0G", double_values[i]);
 214         tot += try ("%#G", double_values[i]);
 215     }
 216     return tot;
 217 }
 218 #endif
 219
 220 static int
 221 test_null (void)
 222 {
 223     return snprintf (NULL, 0, "foo") != 3;
 224 }
 225
 226 int
 227 main (int argc, char **argv)
 228 {
 229     int ret = 0;
 230
 231     ret += cmp_with_sprintf_int ();
 232     ret += cmp_with_sprintf_long ();
 233 #ifdef HAVE_LONG_LONG
 234     ret += cmp_with_sprintf_long_long ();
 235 #endif
 236     ret += test_null ();
 237     return ret;
 238 }