Root/
| 1 | /*␊ |
| 2 | * strnlen()␊ |
| 3 | */␊ |
| 4 | ␊ |
| 5 | #include <string.h>␊ |
| 6 | ␊ |
| 7 | size_t strnlen(const char *s, size_t maxlen)␊ |
| 8 | {␊ |
| 9 | ␉const char *ss = s;␊ |
| 10 | ␊ |
| 11 | ␉/* Important: the maxlen test must precede the reference through ss;␊ |
| 12 | ␉ since the byte beyond the maximum may segfault */␊ |
| 13 | ␉while ((maxlen > 0) && *ss) {␊ |
| 14 | ␉␉ss++;␊ |
| 15 | ␉␉maxlen--;␊ |
| 16 | ␉}␊ |
| 17 | ␉return ss - s;␊ |
| 18 | }␊ |
| 19 |
