1 #define _DEFAULT_SOURCE 1
2 #define _BSD_SOURCE 1
3 #include <stdio.h>
4 #include <string.h>
5 #include "test.h"
6
7 /* r = place to store result
8 * f = function call to test (or any expression)
9 * x = expected result
10 * m = message to print on failure (with formats for r & x)
11 **/
12
13 #define TEST(r, f, x, m) ( \
14 ((r) = (f)) == (x) || \
15 (t_error("%s failed (" m ")\n", #f, r, x), 0) )
16
17 #define TEST_S(s, x, m) ( \
18 !strcmp((s),(x)) || \
19 (t_error("[%s] != [%s] (%s)\n", s, x, m), 0) )
20
main(void)21 int main(void)
22 {
23 char b[32];
24 char *s;
25 int i;
26
27 b[16]='a'; b[17]='b'; b[18]='c'; b[19]=0;
28 TEST(s, strcpy(b, b+16), b, "wrong return %p != %p");
29 TEST_S(s, "abc", "strcpy gave incorrect string");
30 TEST(s, strcpy(b+1, b+16), b+1, "wrong return %p != %p");
31 TEST_S(s, "abc", "strcpy gave incorrect string");
32 TEST(s, strcpy(b+2, b+16), b+2, "wrong return %p != %p");
33 TEST_S(s, "abc", "strcpy gave incorrect string");
34 TEST(s, strcpy(b+3, b+16), b+3, "wrong return %p != %p");
35 TEST_S(s, "abc", "strcpy gave incorrect string");
36
37 TEST(s, strcpy(b+1, b+17), b+1, "wrong return %p != %p");
38 TEST_S(s, "bc", "strcpy gave incorrect string");
39 TEST(s, strcpy(b+2, b+18), b+2, "wrong return %p != %p");
40 TEST_S(s, "c", "strcpy gave incorrect string");
41 TEST(s, strcpy(b+3, b+19), b+3, "wrong return %p != %p");
42 TEST_S(s, "", "strcpy gave incorrect string");
43
44 TEST(s, memset(b, 'x', sizeof b), b, "wrong return %p != %p");
45 TEST(s, strncpy(b, "abc", sizeof b - 1), b, "wrong return %p != %p");
46 TEST(i, memcmp(b, "abc\0\0\0\0", 8), 0, "strncpy fails to zero-pad dest");
47 TEST(i, b[sizeof b - 1], 'x', "strncpy overruns buffer when n > strlen(src)");
48
49 b[3] = 'x'; b[4] = 0;
50 strncpy(b, "abc", 3);
51 TEST(i, b[2], 'c', "strncpy fails to copy last byte: %hhu != %hhu");
52 TEST(i, b[3], 'x', "strncpy overruns buffer to null-terminate: %hhu != %hhu");
53
54 TEST(i, !strncmp("abcd", "abce", 3), 1, "strncmp compares past n");
55 TEST(i, !!strncmp("abc", "abd", 3), 1, "strncmp fails to compare n-1st byte");
56
57 strcpy(b, "abc");
58 TEST(s, strncat(b, "123456", 3), b, "%p != %p");
59 TEST(i, b[6], 0, "strncat failed to null-terminate (%d)");
60 TEST_S(s, "abc123", "strncat gave incorrect string");
61
62 strcpy(b, "aaababccdd0001122223");
63 TEST(s, strchr(b, 'b'), b+3, "%p != %p");
64 TEST(s, strrchr(b, 'b'), b+5, "%p != %p");
65 TEST(i, strspn(b, "abcd"), 10, "%d != %d");
66 TEST(i, strcspn(b, "0123"), 10, "%d != %d");
67 TEST(s, strpbrk(b, "0123"), b+10, "%d != %d");
68
69 strcpy(b, "abc 123; xyz; foo");
70 TEST(s, strtok(b, " "), b, "%p != %p");
71 TEST_S(s, "abc", "strtok result");
72
73 TEST(s, strtok(NULL, ";"), b+4, "%p != %p");
74 TEST_S(s, " 123", "strtok result");
75
76 TEST(s, strtok(NULL, " ;"), b+11, "%p != %p");
77 TEST_S(s, "xyz", "strtok result");
78
79 TEST(s, strtok(NULL, " ;"), b+16, "%p != %p");
80 TEST_S(s, "foo", "strtok result");
81
82 memset(b, 'x', sizeof b);
83 TEST(i, strlcpy(b, "abc", sizeof b - 1), 3, "length %d != %d");
84 TEST(i, b[3], 0, "strlcpy did not null-terminate short string (%d)");
85 TEST(i, b[4], 'x', "strlcpy wrote extra bytes (%d)");
86
87 memset(b, 'x', sizeof b);
88 TEST(i, strlcpy(b, "abc", 2), 3, "length %d != %d");
89 TEST(i, b[0], 'a', "strlcpy did not copy character %d");
90 TEST(i, b[1], 0, "strlcpy did not null-terminate long string (%d)");
91
92 memset(b, 'x', sizeof b);
93 TEST(i, strlcpy(b, "abc", 3), 3, "length %d != %d");
94 TEST(i, b[2], 0, "strlcpy did not null-terminate l-length string (%d)");
95
96 TEST(i, strlcpy(NULL, "abc", 0), 3, "length %d != %d");
97
98 memcpy(b, "abc\0\0\0x\0", 8);
99 TEST(i, strlcat(b, "123", sizeof b), 6, "length %d != %d");
100 TEST_S(b, "abc123", "strlcat result");
101
102 memcpy(b, "abc\0\0\0x\0", 8);
103 TEST(i, strlcat(b, "123", 6), 6, "length %d != %d");
104 TEST_S(b, "abc12", "strlcat result");
105 TEST(i, b[6], 'x', "strlcat wrote past string %d != %d");
106
107 memcpy(b, "abc\0\0\0x\0", 8);
108 TEST(i, strlcat(b, "123", 4), 6, "length %d != %d");
109 TEST_S(b, "abc", "strlcat result");
110
111 memcpy(b, "abc\0\0\0x\0", 8);
112 TEST(i, strlcat(b, "123", 3), 6, "length %d != %d");
113 TEST_S(b, "abc", "strlcat result");
114
115 return t_status;
116 }
117