1*52720Sbostic/*- 2*52720Sbostic * Copyright (c) 1991 The Regents of the University of California. 3*52720Sbostic * All rights reserved. 4*52720Sbostic * 5*52720Sbostic * This code is derived from software contributed to Berkeley by 6*52720Sbostic * Ralph Campbell. 7*52720Sbostic * 8*52720Sbostic * %sccs.include.redist.c% 9*52720Sbostic */ 10*52720Sbostic 11*52720Sbostic#if defined(LIBC_SCCS) && !defined(lint) 12*52720Sbostic ASMSTR("@(#)strlen.s 5.1 (Berkeley) 02/29/92") 13*52720Sbostic#endif /* LIBC_SCCS and not lint */ 14*52720Sbostic 15*52720Sbostic#include "DEFS.h" 16*52720Sbostic 17*52720SbosticLEAF(strlen) 18*52720Sbostic addu v1, a0, 1 19*52720Sbostic1: 20*52720Sbostic lb v0, 0(a0) # get byte from string 21*52720Sbostic addu a0, a0, 1 # increment pointer 22*52720Sbostic bne v0, zero, 1b # continue if not end 23*52720Sbostic subu v0, a0, v1 # compute length - 1 for '\0' char 24*52720Sbostic j ra 25*52720SbosticEND(strlen) 26