14c58546a7
In practice, these headers are included only once, but it's a good practice to always use include guards.
19 lines
627 B
C
19 lines
627 B
C
#ifndef STRUTIL_H
|
|
#define STRUTIL_H
|
|
|
|
#include <stddef.h>
|
|
|
|
// like strncpy, except:
|
|
// - it copies at most n-1 chars
|
|
// - the dest string is nul-terminated
|
|
// - it does not write useless bytes if strlen(src) < n
|
|
// - it returns the number of chars actually written (max n-1) if src has
|
|
// been copied completely, or n if src has been truncated
|
|
size_t xstrncpy(char *dest, const char *src, size_t n);
|
|
|
|
// join tokens by sep into dst
|
|
// returns the number of chars actually written (max n-1) if no trucation
|
|
// occurred, or n if truncated
|
|
size_t xstrjoin(char *dst, const char *const tokens[], char sep, size_t n);
|
|
|
|
#endif
|