NetBSD/sys/lib/libkern/arch/ns32k/strncpy.S

33 lines
504 B
ArmAsm

/*
* Written by Matthias Pfaller, 1996
* Public domain.
*/
#include <machine/asm.h>
#if defined(LIBC_SCCS)
RCSID("$NetBSD: strncpy.S,v 1.1 1996/11/07 07:36:30 matthias Exp $")
#endif
/*
* char *
* strncpy (char *d, const char *s, size_t len)
* copy at most len characters from the string s to d.
*/
ENTRY(strncpy)
enter [r4],0
movd B_ARG2,r0
movd B_ARG1,r1
movd B_ARG0,r2
movqd 0,r4
movsb u
bfc 0f
movd r0,tos
movd r2,tos
bsr _bzero
adjspd -8
0: movd B_ARG0,r0
exit [r4]
ret 0