diff options
Diffstat (limited to 'lib/lib.c')
| -rw-r--r-- | lib/lib.c | 20 |
1 files changed, 5 insertions, 15 deletions
@@ -11,22 +11,12 @@ #include "toys.h" -#if !defined(__UCLIBC__) && !defined(__KLIBC__) - -// uClibc has this, and if we define our own it conflicts. - -// Like strncpy but always null terminated. -void strlcpy(char *dest, char *src, size_t size) +// Strcpy with size checking: exit if there's not enough space for the string. +void xstrcpy(char *dest, char *src, size_t size) { - int len = strlen(src); - if (size--) { - if (len > size) len=size; - memcpy(dest,src, len); - dest[len] = 0; - } + if (strlen(src)+1 > size) error_exit("xstrcpy"); + strcpy(dest, src); } -#endif - void verror_msg(char *msg, int err, va_list va) { @@ -116,7 +106,7 @@ void *xrealloc(void *ptr, size_t size) void *xstrndup(char *s, size_t n) { void *ret = xmalloc(++n); - strlcpy(ret, s, n); + xstrcpy(ret, s, n); return ret; } |