source: heimdal/trunk/lib/roken/snprintf-test.c@ 4

Last change on this file since 4 was 1, checked in by Paul Smedley, 10 years ago

Initial commit of Heimdal 1.5.3
File size: 8.2 KB
Line 
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#include <config.h>
34#include "roken.h"
35#include <limits.h>
36
37static int
38try (const char *format, ...)
39{
40 int ret;
41 va_list ap;
42 char buf1[256], buf2[256];
43
44 va_start (ap, format);
45 ret = rk_vsnprintf (buf1, sizeof(buf1), format, ap);
46 if (ret >= sizeof(buf1))
47 errx (1, "increase buf and try again");
48 va_end (ap);
49 va_start (ap, format);
50 vsprintf (buf2, format, ap);
51 ret = strcmp (buf1, buf2);
52 if (ret)
53 printf ("failed: format = \"%s\", \"%s\" != \"%s\"\n",
54 format, buf1, buf2);
55 va_end (ap);
56 return ret;
57}
58
59static int
60cmp_with_sprintf_int (void)
61{
62 int tot = 0;
63 int int_values[] = {INT_MIN, -17, -1, 0, 1, 17, 4711, 65535, INT_MAX};
64 int i;
65
66 for (i = 0; i < sizeof(int_values) / sizeof(int_values[0]); ++i) {
67 tot += try ("%d", int_values[i]);
68 tot += try ("%x", int_values[i]);
69 tot += try ("%X", int_values[i]);
70 tot += try ("%o", int_values[i]);
71 tot += try ("%#x", int_values[i]);
72 tot += try ("%#X", int_values[i]);
73 tot += try ("%#o", int_values[i]);
74 tot += try ("%10d", int_values[i]);
75 tot += try ("%10x", int_values[i]);
76 tot += try ("%10X", int_values[i]);
77 tot += try ("%10o", int_values[i]);
78 tot += try ("%#10x", int_values[i]);
79 tot += try ("%#10X", int_values[i]);
80 tot += try ("%#10o", int_values[i]);
81 tot += try ("%-10d", 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 ("%-#10x", int_values[i]);
86 tot += try ("%-#10X", int_values[i]);
87 tot += try ("%-#10o", int_values[i]);
88 }
89 return tot;
90}
91
92static int
93cmp_with_sprintf_long (void)
94{
95 int tot = 0;
96 long long_values[] = {LONG_MIN, -17, -1, 0, 1, 17, 4711, 65535, LONG_MAX};
97 int i;
98
99 for (i = 0; i < sizeof(long_values) / sizeof(long_values[0]); ++i) {
100 tot += try ("%ld", long_values[i]);
101 tot += try ("%lx", long_values[i]);
102 tot += try ("%lX", long_values[i]);
103 tot += try ("%lo", long_values[i]);
104 tot += try ("%#lx", long_values[i]);
105 tot += try ("%#lX", long_values[i]);
106 tot += try ("%#lo", long_values[i]);
107 tot += try ("%10ld", long_values[i]);
108 tot += try ("%10lx", long_values[i]);
109 tot += try ("%10lX", long_values[i]);
110 tot += try ("%10lo", long_values[i]);
111 tot += try ("%#10lx", long_values[i]);
112 tot += try ("%#10lX", long_values[i]);
113 tot += try ("%#10lo", long_values[i]);
114 tot += try ("%-10ld", 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 ("%-#10lx", long_values[i]);
119 tot += try ("%-#10lX", long_values[i]);
120 tot += try ("%-#10lo", long_values[i]);
121 }
122 return tot;
123}
124
125#ifdef HAVE_LONG_LONG
126
127/* XXX doesn't work as expected on lp64 platforms with sizeof(long
128 * long) == sizeof(long) */
129
130static int
131cmp_with_sprintf_long_long (void)
132{
133 int tot = 0;
134 long long long_long_values[] = {
135 ((long long)LONG_MIN) -1, LONG_MIN, -17, -1,
136 0,
137 1, 17, 4711, 65535, LONG_MAX, ((long long)LONG_MAX) + 1};
138 int i;
139
140 for (i = 0; i < sizeof(long_long_values) / sizeof(long_long_values[0]); ++i) {
141 tot += try ("%lld", long_long_values[i]);
142 tot += try ("%llx", long_long_values[i]);
143 tot += try ("%llX", long_long_values[i]);
144 tot += try ("%llo", long_long_values[i]);
145 tot += try ("%#llx", long_long_values[i]);
146 tot += try ("%#llX", long_long_values[i]);
147 tot += try ("%#llo", long_long_values[i]);
148 tot += try ("%10lld", long_long_values[i]);
149 tot += try ("%10llx", long_long_values[i]);
150 tot += try ("%10llX", long_long_values[i]);
151 tot += try ("%10llo", long_long_values[i]);
152 tot += try ("%#10llx", long_long_values[i]);
153 tot += try ("%#10llX", long_long_values[i]);
154 tot += try ("%#10llo", long_long_values[i]);
155 tot += try ("%-10lld", long_long_values[i]);
156 tot += try ("%-10llx", long_long_values[i]);
157 tot += try ("%-10llX", long_long_values[i]);
158 tot += try ("%-10llo", long_long_values[i]);
159 tot += try ("%-#10llx", long_long_values[i]);
160 tot += try ("%-#10llX", long_long_values[i]);
161 tot += try ("%-#10llo", long_long_values[i]);
162 }
163 return tot;
164}
165
166#endif
167
168#if 0
169static int
170cmp_with_sprintf_float (void)
171{
172 int tot = 0;
173 double double_values[] = {-99999, -999, -17.4, -4.3, -3.0, -1.5, -1,
174 0, 0.1, 0.2342374852, 0.2340007,
175 3.1415926, 14.7845, 34.24758, 9999, 9999999};
176 int i;
177
178 for (i = 0; i < sizeof(double_values) / sizeof(double_values[0]); ++i) {
179 tot += try ("%f", double_values[i]);
180 tot += try ("%10f", double_values[i]);
181 tot += try ("%.2f", double_values[i]);
182 tot += try ("%7.0f", double_values[i]);
183 tot += try ("%5.2f", double_values[i]);
184 tot += try ("%0f", double_values[i]);
185 tot += try ("%#f", double_values[i]);
186 tot += try ("%e", double_values[i]);
187 tot += try ("%10e", double_values[i]);
188 tot += try ("%.2e", double_values[i]);
189 tot += try ("%7.0e", double_values[i]);
190 tot += try ("%5.2e", double_values[i]);
191 tot += try ("%0e", double_values[i]);
192 tot += try ("%#e", double_values[i]);
193 tot += try ("%E", double_values[i]);
194 tot += try ("%10E", double_values[i]);
195 tot += try ("%.2E", double_values[i]);
196 tot += try ("%7.0E", double_values[i]);
197 tot += try ("%5.2E", double_values[i]);
198 tot += try ("%0E", double_values[i]);
199 tot += try ("%#E", double_values[i]);
200 tot += try ("%g", double_values[i]);
201 tot += try ("%10g", double_values[i]);
202 tot += try ("%.2g", double_values[i]);
203 tot += try ("%7.0g", double_values[i]);
204 tot += try ("%5.2g", double_values[i]);
205 tot += try ("%0g", double_values[i]);
206 tot += try ("%#g", double_values[i]);
207 tot += try ("%G", double_values[i]);
208 tot += try ("%10G", double_values[i]);
209 tot += try ("%.2G", double_values[i]);
210 tot += try ("%7.0G", double_values[i]);
211 tot += try ("%5.2G", double_values[i]);
212 tot += try ("%0G", double_values[i]);
213 tot += try ("%#G", double_values[i]);
214 }
215 return tot;
216}
217#endif
218
219static int
220test_null (void)
221{
222 return rk_snprintf (NULL, 0, "foo") != 3;
223}
224
225static int
226test_sizet (void)
227{
228 int tot = 0;
229 size_t sizet_values[] = { 0, 1, 2, 200, 4294967295u }; /* SIZE_MAX */
230 char *result[] = { "0", "1", "2", "200", "4294967295" };
231 int i;
232
233 for (i = 0; i < sizeof(sizet_values) / sizeof(sizet_values[0]); ++i) {
234#if 0
235 tot += try("%zu", sizet_values[i]);
236 tot += try("%zx", sizet_values[i]);
237 tot += try("%zX", sizet_values[i]);
238#else
239 char buf[256];
240 rk_snprintf(buf, sizeof(buf), "%zu", sizet_values[i]);
241 if (strcmp(buf, result[i]) != 0) {
242 printf("%s != %s", buf, result[i]);
243 tot++;
244 }
245#endif
246 }
247 return tot;
248}
249
250
251int
252main (int argc, char **argv)
253{
254 int ret = 0;
255
256 ret += cmp_with_sprintf_int ();
257 ret += cmp_with_sprintf_long ();
258#ifdef HAVE_LONG_LONG
259 ret += cmp_with_sprintf_long_long ();
260#endif
261 ret += test_null ();
262 ret += test_sizet ();
263 return ret;
264}
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