1 /* $NetBSD: snprintf-test.c,v 1.2 2017/01/28 21:31:50 christos Exp $ */
2
3 /*
4 * Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of KTH nor the names of its contributors may be
20 * used to endorse or promote products derived from this software without
21 * specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
24 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
34
35 #include <config.h>
36 #include <krb5/roken.h>
37 #include <limits.h>
38
39 extern int rk_snprintf(char *, size_t, const char *, ...);
40 extern int rk_vsnprintf(char *, size_t, const char *, va_list);
41
42 static int
try(const char * format,...)43 try (const char *format, ...)
44 {
45 int ret;
46 va_list ap;
47 char buf1[256], buf2[256];
48
49 va_start (ap, format);
50 ret = rk_vsnprintf (buf1, sizeof(buf1), format, ap);
51 if (ret >= sizeof(buf1))
52 errx (1, "increase buf and try again");
53 va_end (ap);
54 va_start (ap, format);
55 vsprintf (buf2, format, ap);
56 ret = strcmp (buf1, buf2);
57 if (ret)
58 printf ("failed: format = \"%s\", \"%s\" != \"%s\"\n",
59 format, buf1, buf2);
60 va_end (ap);
61 return ret;
62 }
63
64 static int
cmp_with_sprintf_int(void)65 cmp_with_sprintf_int (void)
66 {
67 int tot = 0;
68 int int_values[] = {INT_MIN, -17, -1, 0, 1, 17, 4711, 65535, INT_MAX};
69 int i;
70
71 for (i = 0; i < sizeof(int_values) / sizeof(int_values[0]); ++i) {
72 tot += try ("%d", int_values[i]);
73 tot += try ("%x", int_values[i]);
74 tot += try ("%X", int_values[i]);
75 tot += try ("%o", int_values[i]);
76 tot += try ("%#x", int_values[i]);
77 tot += try ("%#X", int_values[i]);
78 tot += try ("%#o", int_values[i]);
79 tot += try ("%10d", int_values[i]);
80 tot += try ("%10x", int_values[i]);
81 tot += try ("%10X", int_values[i]);
82 tot += try ("%10o", int_values[i]);
83 tot += try ("%#10x", int_values[i]);
84 tot += try ("%#10X", int_values[i]);
85 tot += try ("%#10o", int_values[i]);
86 tot += try ("%-10d", int_values[i]);
87 tot += try ("%-10x", int_values[i]);
88 tot += try ("%-10X", int_values[i]);
89 tot += try ("%-10o", int_values[i]);
90 tot += try ("%-#10x", int_values[i]);
91 tot += try ("%-#10X", int_values[i]);
92 tot += try ("%-#10o", int_values[i]);
93 }
94 return tot;
95 }
96
97 static int
cmp_with_sprintf_long(void)98 cmp_with_sprintf_long (void)
99 {
100 int tot = 0;
101 long long_values[] = {LONG_MIN, -17, -1, 0, 1, 17, 4711, 65535, LONG_MAX};
102 int i;
103
104 for (i = 0; i < sizeof(long_values) / sizeof(long_values[0]); ++i) {
105 tot += try ("%ld", long_values[i]);
106 tot += try ("%lx", long_values[i]);
107 tot += try ("%lX", long_values[i]);
108 tot += try ("%lo", long_values[i]);
109 tot += try ("%#lx", long_values[i]);
110 tot += try ("%#lX", long_values[i]);
111 tot += try ("%#lo", long_values[i]);
112 tot += try ("%10ld", long_values[i]);
113 tot += try ("%10lx", long_values[i]);
114 tot += try ("%10lX", long_values[i]);
115 tot += try ("%10lo", long_values[i]);
116 tot += try ("%#10lx", long_values[i]);
117 tot += try ("%#10lX", long_values[i]);
118 tot += try ("%#10lo", long_values[i]);
119 tot += try ("%-10ld", long_values[i]);
120 tot += try ("%-10lx", long_values[i]);
121 tot += try ("%-10lX", long_values[i]);
122 tot += try ("%-10lo", long_values[i]);
123 tot += try ("%-#10lx", long_values[i]);
124 tot += try ("%-#10lX", long_values[i]);
125 tot += try ("%-#10lo", long_values[i]);
126 }
127 return tot;
128 }
129
130 #ifdef HAVE_LONG_LONG
131
132 /* XXX doesn't work as expected on lp64 platforms with sizeof(long
133 * long) == sizeof(long) */
134
135 static int
cmp_with_sprintf_long_long(void)136 cmp_with_sprintf_long_long (void)
137 {
138 int tot = 0;
139 long long long_long_values[] = {
140 ((long long)LONG_MIN) - (sizeof(long long) > sizeof(long)),
141 LONG_MIN, -17, -1, 0, 1, 17, 4711, 65535, LONG_MAX,
142 ((long long)LONG_MAX) + (sizeof(long long) > sizeof(long))
143 };
144 int i;
145
146 for (i = 0; i < sizeof(long_long_values) / sizeof(long_long_values[0]); ++i) {
147 tot += try ("%lld", long_long_values[i]);
148 tot += try ("%llx", long_long_values[i]);
149 tot += try ("%llX", long_long_values[i]);
150 tot += try ("%llo", long_long_values[i]);
151 tot += try ("%#llx", long_long_values[i]);
152 tot += try ("%#llX", long_long_values[i]);
153 tot += try ("%#llo", long_long_values[i]);
154 tot += try ("%10lld", long_long_values[i]);
155 tot += try ("%10llx", long_long_values[i]);
156 tot += try ("%10llX", long_long_values[i]);
157 tot += try ("%10llo", long_long_values[i]);
158 tot += try ("%#10llx", long_long_values[i]);
159 tot += try ("%#10llX", long_long_values[i]);
160 tot += try ("%#10llo", long_long_values[i]);
161 tot += try ("%-10lld", long_long_values[i]);
162 tot += try ("%-10llx", long_long_values[i]);
163 tot += try ("%-10llX", long_long_values[i]);
164 tot += try ("%-10llo", long_long_values[i]);
165 tot += try ("%-#10llx", long_long_values[i]);
166 tot += try ("%-#10llX", long_long_values[i]);
167 tot += try ("%-#10llo", long_long_values[i]);
168 }
169 return tot;
170 }
171
172 #endif
173
174 #if 0
175 static int
176 cmp_with_sprintf_float (void)
177 {
178 int tot = 0;
179 double double_values[] = {-99999, -999, -17.4, -4.3, -3.0, -1.5, -1,
180 0, 0.1, 0.2342374852, 0.2340007,
181 3.1415926, 14.7845, 34.24758, 9999, 9999999};
182 int i;
183
184 for (i = 0; i < sizeof(double_values) / sizeof(double_values[0]); ++i) {
185 tot += try ("%f", double_values[i]);
186 tot += try ("%10f", double_values[i]);
187 tot += try ("%.2f", double_values[i]);
188 tot += try ("%7.0f", double_values[i]);
189 tot += try ("%5.2f", double_values[i]);
190 tot += try ("%0f", double_values[i]);
191 tot += try ("%#f", double_values[i]);
192 tot += try ("%e", double_values[i]);
193 tot += try ("%10e", double_values[i]);
194 tot += try ("%.2e", double_values[i]);
195 tot += try ("%7.0e", double_values[i]);
196 tot += try ("%5.2e", double_values[i]);
197 tot += try ("%0e", double_values[i]);
198 tot += try ("%#e", double_values[i]);
199 tot += try ("%E", double_values[i]);
200 tot += try ("%10E", double_values[i]);
201 tot += try ("%.2E", double_values[i]);
202 tot += try ("%7.0E", double_values[i]);
203 tot += try ("%5.2E", double_values[i]);
204 tot += try ("%0E", double_values[i]);
205 tot += try ("%#E", double_values[i]);
206 tot += try ("%g", double_values[i]);
207 tot += try ("%10g", double_values[i]);
208 tot += try ("%.2g", double_values[i]);
209 tot += try ("%7.0g", double_values[i]);
210 tot += try ("%5.2g", double_values[i]);
211 tot += try ("%0g", double_values[i]);
212 tot += try ("%#g", double_values[i]);
213 tot += try ("%G", double_values[i]);
214 tot += try ("%10G", double_values[i]);
215 tot += try ("%.2G", double_values[i]);
216 tot += try ("%7.0G", double_values[i]);
217 tot += try ("%5.2G", double_values[i]);
218 tot += try ("%0G", double_values[i]);
219 tot += try ("%#G", double_values[i]);
220 }
221 return tot;
222 }
223 #endif
224
225 static int
test_null(void)226 test_null (void)
227 {
228 return rk_snprintf (NULL, 0, "foo") != 3;
229 }
230
231 static int
test_sizet(void)232 test_sizet (void)
233 {
234 int tot = 0;
235 size_t sizet_values[] = { 0, 1, 2, 200, 4294967295u }; /* SIZE_MAX */
236 char *result[] = { "0", "1", "2", "200", "4294967295" };
237 int i;
238
239 for (i = 0; i < sizeof(sizet_values) / sizeof(sizet_values[0]); ++i) {
240 #if 0
241 tot += try("%zu", sizet_values[i]);
242 tot += try("%zx", sizet_values[i]);
243 tot += try("%zX", sizet_values[i]);
244 #else
245 char buf[256];
246 rk_snprintf(buf, sizeof(buf), "%zu", sizet_values[i]);
247 if (strcmp(buf, result[i]) != 0) {
248 printf("%s != %s", buf, result[i]);
249 tot++;
250 }
251 #endif
252 }
253 return tot;
254 }
255
256
257 int
main(int argc,char ** argv)258 main (int argc, char **argv)
259 {
260 int ret = 0;
261
262 ret += cmp_with_sprintf_int ();
263 ret += cmp_with_sprintf_long ();
264 #ifdef HAVE_LONG_LONG
265 ret += cmp_with_sprintf_long_long ();
266 #endif
267 ret += test_null ();
268 ret += test_sizet ();
269 return ret;
270 }
271