xref: /freebsd/crypto/heimdal/lib/roken/snprintf-test.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*
2  * Copyright (c) 2000 - 2001 Kungliga Tekniska H�gskolan
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 }
239