compat.c - iomenu - interactive terminal-based selection menu
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---
compat.c (848B)
---
1 #include "compat.h"
2 #include <ctype.h>
3 #include <stddef.h>
4 #include <string.h>
5
6 char *
7 strcasestr(const char *str1, const char *str2)
8 {
9 const char *s1;
10 const char *s2;
11
12 for (;;) {
13 s1 = str1;
14 s2 = str2;
15 while (*s1 != '\0' && tolower(*s1) == tolower(*s2))
16 s1++, s2++;
17 if (*s2 == '\0')
18 return (char *) str1;
19 if (*s1 == '\0')
20 return NULL;
21 str1++;
22 }
23
24 return NULL;
25 }
26
27 size_t
28 strlcpy(char *buf, char const *str, size_t sz)
29 {
30 size_t len, cpy;
31
32 len = strlen(str);
33 cpy = (len > sz) ? (sz) : (len);
34 memcpy(buf, str, cpy + 1);
35 buf[sz - 1] = '\0';
36 return len;
37 }
38
39 char *
40 strsep(char **str_p, char const *sep)
41 {
42 char *s, *prev;
43
44 if (*str_p == NULL)
45 return NULL;
46
47 for (s = prev = *str_p; strchr(sep, *s) == NULL; s++)
48 continue;
49
50 if (*s == '\0') {
51 *str_p = NULL;
52 } else {
53 *s = '\0';
54 *str_p = s + 1;
55 }
56 return prev;
57 }