Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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21 years ago
#include "str.h"
size_t str_chr(const char *in, char needle) {
21 years ago
register const char* t=in;
register const char c=needle;
for (;;) {
if (!*t || *t==c) break;
++t;
if (!*t || *t==c) break;
++t;
if (!*t || *t==c) break;
++t;
if (!*t || *t==c) break;
++t;
21 years ago
}
return (size_t)(t-in);
21 years ago
}
3 years ago
#ifdef UNITTEST
#include <assert.h>
#include <string.h>
int main() {
char buf[100];
strcpy(buf,"abcdefghijklmnopqrstuvwxyz");
size_t i;
for (i=0; i<26; ++i)
assert(str_chr(buf,buf[i])==i);
assert(str_chr(buf,'X')==26);
}
#endif