1 /*        $NetBSD: t_strtol.c,v 1.8 2024/07/22 16:41:05 christos 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 1.8 2024/07/22 16:41:05 christos Exp $");
34 
35 #include <atf-c.h>
36 #include <errno.h>
37 #include <inttypes.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <limits.h>
41 
42 struct test {
43           const char          *str;
44           int64_t              res;
45           int                  base;
46           const char          *end;
47 };
48 
49 static void
check(struct test * t,long int li,long long int lli,intmax_t ji,char * end)50 check(struct test *t, long int li, long long int lli, intmax_t ji, char *end)
51 {
52 
53           if (li != -1 && li != t->res)
54                     atf_tc_fail_nonfatal("strtol(%s, &end, %d) failed "
55                         "(rv = %ld)", t->str, t->base, li);
56 
57           if (lli != -1 && lli != t->res)
58                     atf_tc_fail_nonfatal("strtoll(%s, NULL, %d) failed "
59                         "(rv = %lld)", t->str, t->base, lli);
60 
61           if (ji != -1 && ji != t->res)
62                     atf_tc_fail_nonfatal("strtoll(%s, NULL, %d) failed "
63                         "(rv = %jd)", t->str, t->base, ji);
64 
65           if ((t->end != NULL && strcmp(t->end, end) != 0) ||
66               (t->end == NULL && *end != '\0'))
67                     atf_tc_fail_nonfatal("invalid end pointer (%p) from "
68                         "strtol(%p, &end, %d)", end, t->str, t->base);
69 }
70 
71 ATF_TC(strtol_base);
ATF_TC_HEAD(strtol_base,tc)72 ATF_TC_HEAD(strtol_base, tc)
73 {
74           atf_tc_set_md_var(tc, "descr", "Test strtol(3) with different bases");
75 }
76 
ATF_TC_BODY(strtol_base,tc)77 ATF_TC_BODY(strtol_base, tc)
78 {
79           struct test t[] = {
80                     { "123456789",                           123456789,  0, NULL          },
81                     { "111010110111100110100010101", 123456789,  2, NULL        },
82                     { "22121022020212200",                   123456789,  3, NULL          },
83                     { "13112330310111",            123456789,  4, NULL          },
84                     { "223101104124",              123456789,  5, NULL          },
85                     { "20130035113",               123456789,  6, NULL          },
86                     { "3026236221",                          123456789,  7, NULL          },
87                     { "726746425",                           123456789,  8, NULL          },
88                     { "277266780",                           123456789,  9, NULL          },
89                     { "123456789",                           123456789, 10, NULL          },
90                     { "63762A05",                            123456789, 11, NULL          },
91                     { "35418A99",                            123456789, 12, NULL          },
92                     { "1C767471",                            123456789, 13, NULL          },
93                     { "12579781",                            123456789, 14, NULL          },
94                     { "AC89BC9",                             123456789, 15, NULL          },
95                     { "75BCD15",                             123456789, 16, NULL          },
96                     { "1234567",                                342391,  8, NULL          },
97                     { "01234567",                               342391,  0, NULL          },
98                     { "0123456789",                          123456789, 10, NULL          },
99                     { "0x75bcd15",                           123456789,  0, NULL          },
100                     { " 0xX",                              0,  0, "xX"          },
101                     { " 0xX",                              0, 16, "xX"          },
102                     { " 0XX",                              0,  0, "XX"          },
103                     { " 0XX",                              0, 16, "XX"          },
104           };
105 
106           long long int lli;
107           long int li;
108           intmax_t ji;
109           long long int ulli;
110           long int uli;
111           uintmax_t uji;
112           char *end, *end2;
113           size_t i;
114 
115           for (i = 0; i < __arraycount(t); i++) {
116 
117                     li = strtol(t[i].str, &end, t[i].base);
118                     lli = strtoll(t[i].str, NULL, t[i].base);
119                     ji = strtoimax(t[i].str, NULL, t[i].base);
120 
121                     uli = strtoul(t[i].str, &end2, t[i].base);
122                     ulli = strtoull(t[i].str, NULL, t[i].base);
123                     uji = strtoumax(t[i].str, NULL, t[i].base);
124 
125                     check(&t[i], li, lli, ji, end);
126 
127                     if (li != uli)
128                               atf_tc_fail_nonfatal("strtoul(%s, NULL, %d) failed "
129                                   "(rv = %lu)", t[i].str, t[i].base, uli);
130                     if (lli != ulli)
131                               atf_tc_fail_nonfatal("strtoull(%s, NULL, %d) failed "
132                                   "(rv = %llu)", t[i].str, t[i].base, ulli);
133                     if ((uintmax_t)ji != uji)
134                               atf_tc_fail_nonfatal("strtoumax(%s, NULL, %d) failed "
135                                   "(rv = %ju)", t[i].str, t[i].base, uji);
136                     if (end != end2)
137                               atf_tc_fail_nonfatal("invalid end pointer ('%p') from "
138                                   "strtoul(%s, &end, %d)", end2, t[i].str, t[i].base);
139           }
140 }
141 
142 ATF_TC(strtol_invbase);
ATF_TC_HEAD(strtol_invbase,tc)143 ATF_TC_HEAD(strtol_invbase, tc)
144 {
145           atf_tc_set_md_var(tc, "descr", "Test strtol(3) with an invalid base");
146 }
147 
ATF_TC_BODY(strtol_invbase,tc)148 ATF_TC_BODY(strtol_invbase, tc)
149 {
150           long long int lli;
151           long int li;
152           intmax_t ji;
153           long long int ulli;
154           long int uli;
155           uintmax_t uji;
156           char *end;
157           char boo[] = "boo";
158           const char str[] = "1";
159 
160 #define CHECK(r, f, fun) \
161           end = boo; \
162           r = fun(str, &end, -2); \
163           if (strcmp(str, end) != 0) \
164               atf_tc_fail_nonfatal( \
165                         "%s(1, boo, -2) failed endptr=%s ", # fun, end); \
166           if (r) \
167               atf_tc_fail_nonfatal( \
168                         "%s(1, boo, -2) failed rv=" f, # fun, r); \
169           if (errno != EINVAL) \
170               atf_tc_fail_nonfatal( \
171                         "%s(1, boo, -2) failed errno=%d", # fun, errno)
172 
173           CHECK(li, "%ld", strtol);
174           CHECK(lli, "%lld", strtoll);
175           CHECK(ji, "%jd", strtoimax);
176           CHECK(uli, "%lu", strtoul);
177           CHECK(ulli, "%llu", strtoull);
178           CHECK(uji, "%ju", strtoumax);
179 }
180 
181 ATF_TC(strtol_case);
ATF_TC_HEAD(strtol_case,tc)182 ATF_TC_HEAD(strtol_case, tc)
183 {
184           atf_tc_set_md_var(tc, "descr", "Case insensitivity with strtol(3)");
185 }
186 
ATF_TC_BODY(strtol_case,tc)187 ATF_TC_BODY(strtol_case, tc)
188 {
189           struct test t[] = {
190                     { "abcd", 0xabcd, 16, NULL    },
191                     { "     dcba",      0xdcba, 16, NULL    },
192                     { "abcd dcba",      0xabcd, 16, " dcba" },
193                     { "abc0x123",       0xabc0, 16, "x123"  },
194                     { "abcd\0x123",     0xabcd, 16, "\0x123"          },
195                     { "ABCD", 0xabcd, 16, NULL    },
196                     { "aBcD", 0xabcd, 16, NULL    },
197                     { "0xABCD",         0xabcd, 16, NULL    },
198                     { "0xABCDX",        0xabcd, 16, "X"               },
199           };
200 
201           long long int lli;
202           long int li;
203           intmax_t ji;
204           char *end;
205           size_t i;
206 
207           for (i = 0; i < __arraycount(t); i++) {
208 
209                     li = strtol(t[i].str, &end, t[i].base);
210                     lli = strtoll(t[i].str, NULL, t[i].base);
211                     ji = strtoimax(t[i].str, NULL, t[i].base);
212 
213                     check(&t[i], li, lli, ji, end);
214           }
215 }
216 
217 ATF_TC(strtol_range);
ATF_TC_HEAD(strtol_range,tc)218 ATF_TC_HEAD(strtol_range, tc)
219 {
220           atf_tc_set_md_var(tc, "descr", "Test ERANGE from strtol(3)");
221 }
222 
ATF_TC_BODY(strtol_range,tc)223 ATF_TC_BODY(strtol_range, tc)
224 {
225 
226 #if LONG_MAX == 0x7fffffff    /* XXX: Is this portable? */
227 
228           struct test t[] = {
229                     { "20000000000", 2147483647, 8, NULL },
230                     { "2147483648",  2147483647, 10, NULL },
231                     { "80000000",        2147483647, 16, NULL },
232           };
233 #else
234           struct test t[] = {
235                     { "1000000000000000000000", 9223372036854775807, 8, NULL },
236                     { "9223372036854775808",    9223372036854775807, 10, NULL },
237                     { "8000000000000000",       9223372036854775807, 16, NULL },
238           };
239 #endif
240 
241           long int li;
242           char *end;
243           size_t i;
244 
245           for (i = 0; i < __arraycount(t); i++) {
246 
247                     errno = 0;
248                     li = strtol(t[i].str, &end, t[i].base);
249 
250                     if (errno != ERANGE)
251                               atf_tc_fail("strtol(3) did not catch ERANGE");
252 
253                     check(&t[i], li, -1, -1, end);
254           }
255 }
256 
257 ATF_TC(strtol_signed);
ATF_TC_HEAD(strtol_signed,tc)258 ATF_TC_HEAD(strtol_signed, tc)
259 {
260           atf_tc_set_md_var(tc, "descr", "A basic test of strtol(3)");
261 }
262 
ATF_TC_BODY(strtol_signed,tc)263 ATF_TC_BODY(strtol_signed, tc)
264 {
265           struct test t[] = {
266                     { "1",               1, 0, NULL         },
267                     { " 2",              2, 0, NULL         },
268                     { "  3",   3, 0, NULL         },
269                     { " -3",  -3, 0, NULL         },
270                     { "--1",   0, 0, "--1"        },
271                     { "+-2",   0, 0, "+-2"        },
272                     { "++3",   0, 0, "++3"        },
273                     { "+9",              9, 0, NULL         },
274                     { "+123",      123, 0, NULL   },
275                     { "-1 3",       -1, 0, " 3"   },
276                     { "-1.3",       -1, 0, ".3"   },
277                     { "-  3",        0, 0, "-  3" },
278                     { "+33.",       33, 0, "."    },
279                     { "30x0",       30, 0, "x0"   },
280           };
281 
282           long long int lli;
283           long int li;
284           intmax_t ji;
285           char *end;
286           size_t i;
287 
288           for (i = 0; i < __arraycount(t); i++) {
289 
290                     li = strtol(t[i].str, &end, t[i].base);
291                     lli = strtoll(t[i].str, NULL, t[i].base);
292                     ji = strtoimax(t[i].str, NULL, t[i].base);
293 
294                     check(&t[i], li, lli, ji, end);
295           }
296 }
297 
ATF_TP_ADD_TCS(tp)298 ATF_TP_ADD_TCS(tp)
299 {
300 
301           ATF_TP_ADD_TC(tp, strtol_invbase);
302           ATF_TP_ADD_TC(tp, strtol_base);
303           ATF_TP_ADD_TC(tp, strtol_case);
304           ATF_TP_ADD_TC(tp, strtol_range);
305           ATF_TP_ADD_TC(tp, strtol_signed);
306 
307           return atf_no_error();
308 }
309