1*57718be8SEnji Cooper /* $NetBSD: t_memchr.c,v 1.3 2012/04/06 07:53:10 jruoho Exp $ */
2*57718be8SEnji Cooper
3*57718be8SEnji Cooper /*
4*57718be8SEnji Cooper * Written by J.T. Conklin <jtc@acorntoolworks.com>
5*57718be8SEnji Cooper * Public domain.
6*57718be8SEnji Cooper */
7*57718be8SEnji Cooper
8*57718be8SEnji Cooper #include <atf-c.h>
9*57718be8SEnji Cooper #include <string.h>
10*57718be8SEnji Cooper #include <unistd.h>
11*57718be8SEnji Cooper #include <stdio.h>
12*57718be8SEnji Cooper #include <stdlib.h>
13*57718be8SEnji Cooper
14*57718be8SEnji Cooper ATF_TC(memchr_basic);
ATF_TC_HEAD(memchr_basic,tc)15*57718be8SEnji Cooper ATF_TC_HEAD(memchr_basic, tc)
16*57718be8SEnji Cooper {
17*57718be8SEnji Cooper atf_tc_set_md_var(tc, "descr", "Test memchr(3) results, #1");
18*57718be8SEnji Cooper }
19*57718be8SEnji Cooper
ATF_TC_BODY(memchr_basic,tc)20*57718be8SEnji Cooper ATF_TC_BODY(memchr_basic, tc)
21*57718be8SEnji Cooper {
22*57718be8SEnji Cooper /* try to trick the compiler */
23*57718be8SEnji Cooper void * (*f)(const void *, int, size_t) = memchr;
24*57718be8SEnji Cooper
25*57718be8SEnji Cooper unsigned int a, t;
26*57718be8SEnji Cooper void *off, *off2;
27*57718be8SEnji Cooper char buf[32];
28*57718be8SEnji Cooper
29*57718be8SEnji Cooper struct tab {
30*57718be8SEnji Cooper const char *val;
31*57718be8SEnji Cooper size_t len;
32*57718be8SEnji Cooper char match;
33*57718be8SEnji Cooper ssize_t off;
34*57718be8SEnji Cooper };
35*57718be8SEnji Cooper
36*57718be8SEnji Cooper const struct tab tab[] = {
37*57718be8SEnji Cooper { "", 0, 0, 0 },
38*57718be8SEnji Cooper
39*57718be8SEnji Cooper { "/", 0, 0, 0 },
40*57718be8SEnji Cooper { "/", 1, 1, 0 },
41*57718be8SEnji Cooper { "/a", 2, 1, 0 },
42*57718be8SEnji Cooper { "/ab", 3, 1, 0 },
43*57718be8SEnji Cooper { "/abc", 4, 1, 0 },
44*57718be8SEnji Cooper { "/abcd", 5, 1, 0 },
45*57718be8SEnji Cooper { "/abcde", 6, 1, 0 },
46*57718be8SEnji Cooper { "/abcdef", 7, 1, 0 },
47*57718be8SEnji Cooper { "/abcdefg", 8, 1, 0 },
48*57718be8SEnji Cooper
49*57718be8SEnji Cooper { "a/", 1, 0, 0 },
50*57718be8SEnji Cooper { "a/", 2, 1, 1 },
51*57718be8SEnji Cooper { "a/b", 3, 1, 1 },
52*57718be8SEnji Cooper { "a/bc", 4, 1, 1 },
53*57718be8SEnji Cooper { "a/bcd", 5, 1, 1 },
54*57718be8SEnji Cooper { "a/bcde", 6, 1, 1 },
55*57718be8SEnji Cooper { "a/bcdef", 7, 1, 1 },
56*57718be8SEnji Cooper { "a/bcdefg", 8, 1, 1 },
57*57718be8SEnji Cooper
58*57718be8SEnji Cooper { "ab/", 2, 0, 0 },
59*57718be8SEnji Cooper { "ab/", 3, 1, 2 },
60*57718be8SEnji Cooper { "ab/c", 4, 1, 2 },
61*57718be8SEnji Cooper { "ab/cd", 5, 1, 2 },
62*57718be8SEnji Cooper { "ab/cde", 6, 1, 2 },
63*57718be8SEnji Cooper { "ab/cdef", 7, 1, 2 },
64*57718be8SEnji Cooper { "ab/cdefg", 8, 1, 2 },
65*57718be8SEnji Cooper
66*57718be8SEnji Cooper { "abc/", 3, 0, 0 },
67*57718be8SEnji Cooper { "abc/", 4, 1, 3 },
68*57718be8SEnji Cooper { "abc/d", 5, 1, 3 },
69*57718be8SEnji Cooper { "abc/de", 6, 1, 3 },
70*57718be8SEnji Cooper { "abc/def", 7, 1, 3 },
71*57718be8SEnji Cooper { "abc/defg", 8, 1, 3 },
72*57718be8SEnji Cooper
73*57718be8SEnji Cooper { "abcd/", 4, 0, 0 },
74*57718be8SEnji Cooper { "abcd/", 5, 1, 4 },
75*57718be8SEnji Cooper { "abcd/e", 6, 1, 4 },
76*57718be8SEnji Cooper { "abcd/ef", 7, 1, 4 },
77*57718be8SEnji Cooper { "abcd/efg", 8, 1, 4 },
78*57718be8SEnji Cooper
79*57718be8SEnji Cooper { "abcde/", 5, 0, 0 },
80*57718be8SEnji Cooper { "abcde/", 6, 1, 5 },
81*57718be8SEnji Cooper { "abcde/f", 7, 1, 5 },
82*57718be8SEnji Cooper { "abcde/fg", 8, 1, 5 },
83*57718be8SEnji Cooper
84*57718be8SEnji Cooper { "abcdef/", 6, 0, 0 },
85*57718be8SEnji Cooper { "abcdef/", 7, 1, 6 },
86*57718be8SEnji Cooper { "abcdef/g", 8, 1, 6 },
87*57718be8SEnji Cooper
88*57718be8SEnji Cooper { "abcdefg/", 7, 0, 0 },
89*57718be8SEnji Cooper { "abcdefg/", 8, 1, 7 },
90*57718be8SEnji Cooper
91*57718be8SEnji Cooper { "\xff\xff\xff\xff" "efg/", 8, 1, 7 },
92*57718be8SEnji Cooper { "a" "\xff\xff\xff\xff" "fg/", 8, 1, 7 },
93*57718be8SEnji Cooper { "ab" "\xff\xff\xff\xff" "g/", 8, 1, 7 },
94*57718be8SEnji Cooper { "abc" "\xff\xff\xff\xff" "/", 8, 1, 7 },
95*57718be8SEnji Cooper };
96*57718be8SEnji Cooper
97*57718be8SEnji Cooper for (a = 1; a < 1 + sizeof(long); ++a) {
98*57718be8SEnji Cooper for (t = 0; t < (sizeof(tab) / sizeof(tab[0])); ++t) {
99*57718be8SEnji Cooper buf[a-1] = '/';
100*57718be8SEnji Cooper strcpy(&buf[a], tab[t].val);
101*57718be8SEnji Cooper
102*57718be8SEnji Cooper off = f(&buf[a], '/', tab[t].len);
103*57718be8SEnji Cooper if (tab[t].match == 0) {
104*57718be8SEnji Cooper if (off != 0) {
105*57718be8SEnji Cooper fprintf(stderr, "a = %d, t = %d\n",
106*57718be8SEnji Cooper a, t);
107*57718be8SEnji Cooper atf_tc_fail("should not have found "
108*57718be8SEnji Cooper " char past len");
109*57718be8SEnji Cooper }
110*57718be8SEnji Cooper } else if (tab[t].match == 1) {
111*57718be8SEnji Cooper if (tab[t].off != ((char*)off - &buf[a])) {
112*57718be8SEnji Cooper fprintf(stderr, "a = %d, t = %d\n",
113*57718be8SEnji Cooper a, t);
114*57718be8SEnji Cooper atf_tc_fail("char not found at "
115*57718be8SEnji Cooper "correct offset");
116*57718be8SEnji Cooper }
117*57718be8SEnji Cooper } else {
118*57718be8SEnji Cooper fprintf(stderr, "a = %d, t = %d\n", a, t);
119*57718be8SEnji Cooper atf_tc_fail("Corrupt test case data");
120*57718be8SEnji Cooper }
121*57718be8SEnji Cooper
122*57718be8SEnji Cooper /* check zero extension of char arg */
123*57718be8SEnji Cooper off2 = f(&buf[a], 0xffffff00 | '/', tab[t].len);
124*57718be8SEnji Cooper if (off2 != off)
125*57718be8SEnji Cooper atf_tc_fail("zero extension of char arg "
126*57718be8SEnji Cooper "failed");
127*57718be8SEnji Cooper }
128*57718be8SEnji Cooper }
129*57718be8SEnji Cooper }
130*57718be8SEnji Cooper
131*57718be8SEnji Cooper ATF_TC(memchr_simple);
ATF_TC_HEAD(memchr_simple,tc)132*57718be8SEnji Cooper ATF_TC_HEAD(memchr_simple, tc)
133*57718be8SEnji Cooper {
134*57718be8SEnji Cooper atf_tc_set_md_var(tc, "descr", "Test memchr(3) results, #2");
135*57718be8SEnji Cooper }
136*57718be8SEnji Cooper
ATF_TC_BODY(memchr_simple,tc)137*57718be8SEnji Cooper ATF_TC_BODY(memchr_simple, tc)
138*57718be8SEnji Cooper {
139*57718be8SEnji Cooper char buf[] = "abcdefg";
140*57718be8SEnji Cooper short i = 7;
141*57718be8SEnji Cooper
142*57718be8SEnji Cooper ATF_CHECK(memchr(buf, 'a', 0) == NULL);
143*57718be8SEnji Cooper ATF_CHECK(memchr(buf, 'g', 0) == NULL);
144*57718be8SEnji Cooper ATF_CHECK(memchr(buf, 'x', 7) == NULL);
145*57718be8SEnji Cooper
146*57718be8SEnji Cooper ATF_CHECK(memchr("\0", 'x', 0) == NULL);
147*57718be8SEnji Cooper ATF_CHECK(memchr("\0", 'x', 1) == NULL);
148*57718be8SEnji Cooper
149*57718be8SEnji Cooper while (i <= 14) {
150*57718be8SEnji Cooper
151*57718be8SEnji Cooper ATF_CHECK(memchr(buf, 'a', i) == buf + 0);
152*57718be8SEnji Cooper ATF_CHECK(memchr(buf, 'b', i) == buf + 1);
153*57718be8SEnji Cooper ATF_CHECK(memchr(buf, 'c', i) == buf + 2);
154*57718be8SEnji Cooper ATF_CHECK(memchr(buf, 'd', i) == buf + 3);
155*57718be8SEnji Cooper ATF_CHECK(memchr(buf, 'e', i) == buf + 4);
156*57718be8SEnji Cooper ATF_CHECK(memchr(buf, 'f', i) == buf + 5);
157*57718be8SEnji Cooper ATF_CHECK(memchr(buf, 'g', i) == buf + 6);
158*57718be8SEnji Cooper
159*57718be8SEnji Cooper i *= 2;
160*57718be8SEnji Cooper }
161*57718be8SEnji Cooper }
162*57718be8SEnji Cooper
163*57718be8SEnji Cooper ATF_TC(memrchr_simple);
ATF_TC_HEAD(memrchr_simple,tc)164*57718be8SEnji Cooper ATF_TC_HEAD(memrchr_simple, tc)
165*57718be8SEnji Cooper {
166*57718be8SEnji Cooper atf_tc_set_md_var(tc, "descr", "Test memrchr(3) results");
167*57718be8SEnji Cooper }
168*57718be8SEnji Cooper
ATF_TC_BODY(memrchr_simple,tc)169*57718be8SEnji Cooper ATF_TC_BODY(memrchr_simple, tc)
170*57718be8SEnji Cooper {
171*57718be8SEnji Cooper char buf[] = "abcdabcd";
172*57718be8SEnji Cooper
173*57718be8SEnji Cooper ATF_CHECK(memrchr(buf, 'a', 0) == NULL);
174*57718be8SEnji Cooper ATF_CHECK(memrchr(buf, 'g', 0) == NULL);
175*57718be8SEnji Cooper ATF_CHECK(memrchr(buf, 'x', 8) == NULL);
176*57718be8SEnji Cooper
177*57718be8SEnji Cooper ATF_CHECK(memrchr("\0", 'x', 0) == NULL);
178*57718be8SEnji Cooper ATF_CHECK(memrchr("\0", 'x', 1) == NULL);
179*57718be8SEnji Cooper
180*57718be8SEnji Cooper ATF_CHECK(memrchr(buf, 'a', 8) == buf + 4);
181*57718be8SEnji Cooper ATF_CHECK(memrchr(buf, 'b', 8) == buf + 5);
182*57718be8SEnji Cooper ATF_CHECK(memrchr(buf, 'c', 8) == buf + 6);
183*57718be8SEnji Cooper ATF_CHECK(memrchr(buf, 'd', 8) == buf + 7);
184*57718be8SEnji Cooper }
185*57718be8SEnji Cooper
ATF_TP_ADD_TCS(tp)186*57718be8SEnji Cooper ATF_TP_ADD_TCS(tp)
187*57718be8SEnji Cooper {
188*57718be8SEnji Cooper
189*57718be8SEnji Cooper ATF_TP_ADD_TC(tp, memchr_basic);
190*57718be8SEnji Cooper ATF_TP_ADD_TC(tp, memchr_simple);
191*57718be8SEnji Cooper ATF_TP_ADD_TC(tp, memrchr_simple);
192*57718be8SEnji Cooper
193*57718be8SEnji Cooper return atf_no_error();
194*57718be8SEnji Cooper }
195