Initial revision

2005-04-21 14:53:53 +00:00
commit 9865aeaa79
2264 changed files with 411685 additions and 0 deletions
--- a/lib/i386/string/bcmp.s
+++ b/lib/i386/string/bcmp.s
@@ -0,0 +1,28 @@
+!	bcmp()						Author: Kees J. Bot
+!								2 Jan 1994
+.sect .text; .sect .rom; .sect .data; .sect .bss
+
+! int bcmp(const void *s1, const void *s2, size_t n)
+!	Compare two chunks of memory.
+!	This is a BSD routine that escaped from the kernel.  Don't use.
+!	(Alas it is not without some use, it reports the number of bytes
+!	after the bytes that are equal.  So it can't be simply replaced.)
+!
+.sect .text
+.define _bcmp
+	.align	16
+_bcmp:
+	push	ebp
+	mov	ebp, esp
+	push	16(ebp)
+	push	12(ebp)
+	push	8(ebp)
+	call	_memcmp		! Let memcmp do the work
+	test	eax, eax
+	jz	equal
+	sub	edx, 8(ebp)	! Memcmp was nice enough to leave "esi" in edx
+	dec	edx		! Number of bytes that are equal
+	mov	eax, 16(ebp)
+	sub	eax, edx	! Number of bytes that are unequal
+equal:	leave
+	ret