xref: /netbsd-src/tests/lib/libc/stdlib/t_strtol.c (revision 76c7fc5f6b13ed0b1508e6b313e88e59977ed78e)
1 /*	$NetBSD: t_strtol.c,v 1.7 2017/07/06 21:08:44 joerg Exp $ */
2 
3 /*-
4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jukka Ruohonen.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
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  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __RCSID("$NetBSD: t_strtol.c,v 1.7 2017/07/06 21:08:44 joerg Exp $");
34 
35 #include <atf-c.h>
36 #include <errno.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <limits.h>
40 
41 struct test {
42 	const char	*str;
43 	int64_t		 res;
44 	int		 base;
45 	const char	*end;
46 };
47 
48 static void	check(struct test *, long int, long long int, char *);
49 
50 static void
51 check(struct test *t, long int li, long long int lli, char *end)
52 {
53 
54 	if (li != -1 && li != t->res)
55 		atf_tc_fail_nonfatal("strtol(%s, &end, %d) failed "
56 		    "(rv = %ld)", t->str, t->base, li);
57 
58 	if (lli != -1 && lli != t->res)
59 		atf_tc_fail_nonfatal("strtoll(%s, NULL, %d) failed "
60 		    "(rv = %lld)", t->str, t->base, lli);
61 
62 	if ((t->end != NULL && strcmp(t->end, end) != 0) ||
63 	    (t->end == NULL && *end != '\0'))
64 		atf_tc_fail_nonfatal("invalid end pointer (%p) from "
65 		    "strtol(%p, &end, %d)", end, t->str, t->base);
66 }
67 
68 ATF_TC(strtol_base);
69 ATF_TC_HEAD(strtol_base, tc)
70 {
71 	atf_tc_set_md_var(tc, "descr", "Test strtol(3) with different bases");
72 }
73 
74 ATF_TC_BODY(strtol_base, tc)
75 {
76 	struct test t[] = {
77 		{ "123456789",			 123456789,  0, NULL	},
78 		{ "111010110111100110100010101", 123456789,  2, NULL	},
79 		{ "22121022020212200",		 123456789,  3, NULL	},
80 		{ "13112330310111",		 123456789,  4, NULL	},
81 		{ "223101104124",		 123456789,  5, NULL	},
82 		{ "20130035113",		 123456789,  6, NULL	},
83 		{ "3026236221",			 123456789,  7, NULL	},
84 		{ "726746425",			 123456789,  8, NULL	},
85 		{ "277266780",			 123456789,  9, NULL	},
86 		{ "123456789",			 123456789, 10, NULL	},
87 		{ "63762A05",			 123456789, 11, NULL	},
88 		{ "35418A99",			 123456789, 12, NULL	},
89 		{ "1C767471",			 123456789, 13, NULL	},
90 		{ "12579781",			 123456789, 14, NULL	},
91 		{ "AC89BC9",			 123456789, 15, NULL	},
92 		{ "75BCD15",			 123456789, 16, NULL	},
93 		{ "1234567",			    342391,  8, NULL	},
94 		{ "01234567",			    342391,  0, NULL	},
95 		{ "0123456789",			 123456789, 10, NULL	},
96 		{ "0x75bcd15",			 123456789,  0, NULL	},
97 		{ " 0xX",			         0,  0, "xX"	},
98 		{ " 0xX",			         0, 16, "xX"	},
99 		{ " 0XX",			         0,  0, "XX"	},
100 		{ " 0XX",			         0, 16, "XX"	},
101 	};
102 
103 	long long int lli;
104 	long int li;
105 	long long int ulli;
106 	long int uli;
107 	char *end, *end2;
108 	size_t i;
109 
110 	for (i = 0; i < __arraycount(t); i++) {
111 
112 		li = strtol(t[i].str, &end, t[i].base);
113 		lli = strtoll(t[i].str, NULL, t[i].base);
114 
115 		uli = strtoul(t[i].str, &end2, t[i].base);
116 		ulli = strtoull(t[i].str, NULL, t[i].base);
117 
118 		check(&t[i], li, lli, end);
119 
120 		if (li != uli)
121 			atf_tc_fail_nonfatal("strtoul(%s, NULL, %d) failed "
122 			    "(rv = %lu)", t[i].str, t[i].base, uli);
123 		if (end != end2)
124 			atf_tc_fail_nonfatal("invalid end pointer ('%p') from "
125 			    "strtoul(%s, &end, %d)", end2, t[i].str, t[i].base);
126 		if (lli != ulli)
127 			atf_tc_fail_nonfatal("strtoull(%s, NULL, %d) failed "
128 			    "(rv = %llu)", t[i].str, t[i].base, ulli);
129 	}
130 }
131 
132 ATF_TC(strtol_case);
133 ATF_TC_HEAD(strtol_case, tc)
134 {
135 	atf_tc_set_md_var(tc, "descr", "Case insensitivity with strtol(3)");
136 }
137 
138 ATF_TC_BODY(strtol_case, tc)
139 {
140 	struct test t[] = {
141 		{ "abcd",	0xabcd, 16, NULL	},
142 		{ "     dcba",	0xdcba, 16, NULL	},
143 		{ "abcd dcba",	0xabcd, 16, " dcba"	},
144 		{ "abc0x123",	0xabc0, 16, "x123"	},
145 		{ "abcd\0x123",	0xabcd, 16, "\0x123"	},
146 		{ "ABCD",	0xabcd, 16, NULL	},
147 		{ "aBcD",	0xabcd, 16, NULL	},
148 		{ "0xABCD",	0xabcd, 16, NULL	},
149 		{ "0xABCDX",	0xabcd, 16, "X"		},
150 	};
151 
152 	long long int lli;
153 	long int li;
154 	char *end;
155 	size_t i;
156 
157 	for (i = 0; i < __arraycount(t); i++) {
158 
159 		li = strtol(t[i].str, &end, t[i].base);
160 		lli = strtoll(t[i].str, NULL, t[i].base);
161 
162 		check(&t[i], li, lli, end);
163 	}
164 }
165 
166 ATF_TC(strtol_range);
167 ATF_TC_HEAD(strtol_range, tc)
168 {
169 	atf_tc_set_md_var(tc, "descr", "Test ERANGE from strtol(3)");
170 }
171 
172 ATF_TC_BODY(strtol_range, tc)
173 {
174 
175 #if LONG_MAX == 0x7fffffff	/* XXX: Is this portable? */
176 
177 	struct test t[] = {
178 		{ "20000000000", 2147483647, 8, NULL },
179 		{ "2147483648",  2147483647, 10, NULL },
180 		{ "80000000",	 2147483647, 16, NULL },
181 	};
182 #else
183 	struct test t[] = {
184 		{ "1000000000000000000000", 9223372036854775807, 8, NULL },
185 		{ "9223372036854775808",    9223372036854775807, 10, NULL },
186 		{ "8000000000000000",       9223372036854775807, 16, NULL },
187 	};
188 #endif
189 
190 	long int li;
191 	char *end;
192 	size_t i;
193 
194 	for (i = 0; i < __arraycount(t); i++) {
195 
196 		errno = 0;
197 		li = strtol(t[i].str, &end, t[i].base);
198 
199 		if (errno != ERANGE)
200 			atf_tc_fail("strtol(3) did not catch ERANGE");
201 
202 		check(&t[i], li, -1, end);
203 	}
204 }
205 
206 ATF_TC(strtol_signed);
207 ATF_TC_HEAD(strtol_signed, tc)
208 {
209 	atf_tc_set_md_var(tc, "descr", "A basic test of strtol(3)");
210 }
211 
212 ATF_TC_BODY(strtol_signed, tc)
213 {
214 	struct test t[] = {
215 		{ "1",		 1, 0, NULL	},
216 		{ " 2",		 2, 0, NULL	},
217 		{ "  3",	 3, 0, NULL	},
218 		{ " -3",	-3, 0, NULL	},
219 		{ "--1",	 0, 0, "--1"	},
220 		{ "+-2",	 0, 0, "+-2"	},
221 		{ "++3",	 0, 0, "++3"	},
222 		{ "+9",		 9, 0, NULL	},
223 		{ "+123",      123, 0, NULL	},
224 		{ "-1 3",       -1, 0, " 3"	},
225 		{ "-1.3",       -1, 0, ".3"	},
226 		{ "-  3",        0, 0, "-  3"	},
227 		{ "+33.",       33, 0, "."	},
228 		{ "30x0",       30, 0, "x0"	},
229 	};
230 
231 	long long int lli;
232 	long int li;
233 	char *end;
234 	size_t i;
235 
236 	for (i = 0; i < __arraycount(t); i++) {
237 
238 		li = strtol(t[i].str, &end, t[i].base);
239 		lli = strtoll(t[i].str, NULL, t[i].base);
240 
241 		check(&t[i], li, lli, end);
242 	}
243 }
244 
245 ATF_TP_ADD_TCS(tp)
246 {
247 
248 	ATF_TP_ADD_TC(tp, strtol_base);
249 	ATF_TP_ADD_TC(tp, strtol_case);
250 	ATF_TP_ADD_TC(tp, strtol_range);
251 	ATF_TP_ADD_TC(tp, strtol_signed);
252 
253 	return atf_no_error();
254 }
255