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| Source at commit 1308 created 12 years 8 months ago. By meklort, Add a few placeholders for file io | |
|---|---|
| 1 | /*␊ |
| 2 | * strncpy.c␊ |
| 3 | */␊ |
| 4 | ␊ |
| 5 | #include <string.h>␊ |
| 6 | ␊ |
| 7 | char *strncpy(char *dst, const char *src, size_t n)␊ |
| 8 | {␊ |
| 9 | ␉char *q = dst;␊ |
| 10 | ␉const char *p = src;␊ |
| 11 | ␉char ch;␊ |
| 12 | ␊ |
| 13 | ␉while (n) {␊ |
| 14 | ␉␉n--;␊ |
| 15 | ␉␉*q++ = ch = *p++;␊ |
| 16 | ␉␉if (!ch)␊ |
| 17 | ␉␉␉break;␊ |
| 18 | ␉}␊ |
| 19 | ␊ |
| 20 | ␉/* The specs say strncpy() fills the entire buffer with NUL. Sigh. */␊ |
| 21 | ␉memset(q, 0, n);␊ |
| 22 | ␊ |
| 23 | ␉return dst;␊ |
| 24 | }␊ |
| 25 | |
