# Copyright (C) 2026 Sebastian G. Kirmayer <gloria@gloria-mundi.eu>
#
#  This file is part of sysf-i386.
#
#  sysf-i386 is free software: you can redistribute it and/or modify it under
#  the terms of the GNU General Public License as published by the Free
#  Software Foundation, either version 3 of the License, or (at your option)
#  any later version.
#
#  sysf-i386 is distributed in the hope that it will be useful, but WITHOUT ANY
#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
#  FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
#  details.
#
#  You should have received a copy of the GNU General Public License along
#  with sysf-i386. If not, see <https://www.gnu.org/licenses/>.
#

text
label strnul
	movl %edi %edx
	movl %eax %edi
	xorl %eax %eax
	movl -1 %ecx
	repnz scasb
	leal @%edi+-1 %eax
	ret

label streq
	subl %eax %ecx
	subl %edx @%esp+4
	cmpl %ecx @%esp+4
	jne end.
	xchgl %eax %esi
	xchgl %edx %edi
	repz cmpsb
	movl %eax %esi
	movl %edx %edi
L end
	ret 4