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      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
     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);
     72 ATF_TC_HEAD(strtol_base, tc)
     73 {
     74 	atf_tc_set_md_var(tc, "descr", "Test strtol(3) with different bases");
     75 }
     76 
     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);
    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 
    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);
    182 ATF_TC_HEAD(strtol_case, tc)
    183 {
    184 	atf_tc_set_md_var(tc, "descr", "Case insensitivity with strtol(3)");
    185 }
    186 
    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);
    218 ATF_TC_HEAD(strtol_range, tc)
    219 {
    220 	atf_tc_set_md_var(tc, "descr", "Test ERANGE from strtol(3)");
    221 }
    222 
    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);
    258 ATF_TC_HEAD(strtol_signed, tc)
    259 {
    260 	atf_tc_set_md_var(tc, "descr", "A basic test of strtol(3)");
    261 }
    262 
    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 
    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