glibc/mach/mig_strncpy.c
Flavio Cruz da49165ea6 mig_strncpy: ensure destination string is null terminated
Message-ID: <xaqw66fuawxm5hzgjscfg2oyp6lxflm5tnbb7u253pw3gmdy4m@5z42mw2qz2l2>
2025-02-10 19:44:46 +01:00

19 lines
389 B
C

/* Silly pointless function MiG needs. */
#include <mach.h>
#include <string.h>
vm_size_t
__mig_strncpy (char *dst, const char *src, vm_size_t len)
{
if (len == 0)
return 0;
char *end = __stpncpy (dst, src, len - 1);
vm_size_t ret = end - dst;
/* Null terminate the string. */
if (ret == len - 1)
*end = '\0';
return ret;
}
weak_alias (__mig_strncpy, mig_strncpy)