X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/7c78c5292a74d7cc20fc03e02fbfc976e072f928..15de9d6b4ab2de27ae24b13b7b6c4d55fffe4aef:/i386/string/strncpy.s

diff --git a/i386/string/strncpy.s b/i386/string/strncpy.s
index dced178..9b1799d 100644
--- a/i386/string/strncpy.s
+++ b/i386/string/strncpy.s
@@ -177,11 +177,15 @@ LFound0:
 //	%ecx = buffer length remaining
 
 LZeroBuffer:
-	pushl	%ecx			// remaining buffer size
-	pushl	%edi			// ptr to 1st unstored byte
-	movl	$(_COMM_PAGE_BZERO),%eax
-	call	%eax
-	addl	$8,%esp			// pop off the arguments
+//	The stack currently is aligned to 4 mod 16 (it was 0 mod 16 at the time of
+//	the call, and the return address, edi, and esi have been pushed).  It needs
+//	to aligned 0 mod 16 when we call bzero, so we subtract 20 from esp (not 4
+//	because we need to have 8 bytes for the arguments to bzero).
+	subl	$20,%esp
+	movl	%ecx,4(%esp)	// remaining buffer size
+	movl	%edi, (%esp)	// pointer to first unstored byte
+	call	_bzero
+	addl	$20,%esp
 
 LDone:
 	movl	12(%esp),%eax		// original dest ptr is return value