Ruby 2.0.0p247(2013-06-27revision41674)

- Main Page
- Modules
- Data Structures
- Files

- File List
- Globals

strchr.c
Go to the documentation of this file.
1 /* public domain rewrite of strchr(3) and strrchr(3) */
2
3 #include "ruby/missing.h"
4
5 size_t strlen(const char*);
6
7 char *
8 strchr(const char *s, int c)
9 {
10 if (c == 0) return (char *)s + strlen(s);
11 while (*s) {
12 if (*s == c)
13 return (char *)s;
14 s++;
15 }
16 return 0;
17 }
18
19 char *
20 strrchr(const char *s, int c)
21 {
22 const char *save;
23
24 if (c == 0) return (char *)s + strlen(s);
25 save = 0;
26 while (*s) {
27 if (*s == c)
28 save = s;
29 s++;
30 }
31 return (char *)save;
32 }
33