From 7f7078c9f05ec511c68fca4dd6896a41ee148da0 Mon Sep 17 00:00:00 2001
From: ceriel <none@none>
Date: Wed, 4 May 1988 16:49:58 +0000
Subject: [PATCH] check that files can be created

---
 mach/mantra/int/mloopa | 61 +++++++++++++++++++++++++++++++++++++-----
 1 file changed, 54 insertions(+), 7 deletions(-)

diff --git a/mach/mantra/int/mloopa b/mach/mantra/int/mloopa
index d3d0a88fe..cf221d44d 100644
--- a/mach/mantra/int/mloopa
+++ b/mach/mantra/int/mloopa
@@ -170,27 +170,40 @@ profsiz: .space	4
 	.sect .text
 		tst.l	firstp
 		beq	lhalt
+		pea	emprof
+		bsr	_Xunlink
+		testen	(sp)+
+		blt	1f
 		mov	#0x1B6,-(sp)
 		pea	emprof
 		bsr	_Xcreat
 		testen	(sp)+
+		blt	1f
 		mov	(sp)+,d0
 		move.l	ltime,a4	!a4 points at bottem of prof table
 		bsr	tabprint
+1:
 #endif
 #if flow
 		tst.l	firstp
 		beq	lhalt
+		pea 	emflow
+		bsr	_Xunlink
+		testen	(sp)+
+		blt	1f
 		mov	#0x1B6,-(sp)
 		pea	emflow
 		bsr	_Xcreat
 		testen	(sp)+
+		blt	1f
 		mov	(sp)+,d0
 		move.l	flowsiz,-(sp)
 		move.l	lflow,-(sp)
 		mov	d0,-(sp)
 		bsr	_Xwrite
-		add.l	wrd+4,sp
+		testen	(sp)+
+		blt	1f
+		add.l	#4,sp
 	.sect .data
 emflow:	.asciz	"em_flow\0"
 	.align 2
@@ -198,17 +211,24 @@ emflow:	.asciz	"em_flow\0"
 lflow:	.space 4
 flowsiz: .space 4
 	.sect .text
+1:
 #endif
 #if	count
 		tst.l	firstp
 		beq	lhalt
+		pea	emcount
+		bsr	_Xunlink
+		testen	(sp)+
+		blt	1f
 		mov	#0x1B6,-(sp)
 		pea	emcount
 		bsr	_Xcreat
 		testen	(sp)+
+		blt	1f
 		mov	(sp)+,d0
 		move.l	lcount,a4
 		bsr	tabprint
+1:
 	.sect .data
 emcount: .asciz	"em_count\0"
 	.align 2
@@ -223,16 +243,24 @@ emopf:	.asciz	"em_opfreq\0"
 	.sect .bss
 counttab:  .space	1884
 	.sect .text
+		pea	emopf
+		bsr	_Xunlink
+		testen	(sp)+
+		blt	1f
 		mov	#0x1B6,-(sp)
 		pea	emopf
 		bsr	_Xcreat
 		testen	(sp)+
+		blt	1f
 		mov	(sp)+,d0
 		move.l	#1884,-(sp)
 		pea	counttab
 		mov	d0,-(sp)
 		bsr	_Xwrite
-		add.l	wrd+4,sp
+		testen	(sp)+
+		blt	1f
+		add.l	#4,sp
+1:
 #endif
 #if count+flow+prof
 	.sect .bss
@@ -242,10 +270,15 @@ countptr: .space 4			!COUNT NUMBER OF CURRENT LINE
 lhalt:
 #if	last
 	.sect .text
+		pea	emlast
+		bsr	_Xunlink
+		testen	(sp)+
+		blt	halt
 		mov	#0x1B6,-(sp)
 		pea	emlast
 		bsr	_Xcreat
 		testen	(sp)+
+		blt	halt
 		mov	(sp)+,d6	!d6 contains file descriptor
 		cmp.l	#-1,linused-4	!test if buffer is fully used
 		beq	0f
@@ -258,14 +291,18 @@ lhalt:
 		pea	mess1
 		mov	d6,-(sp)
 		bsr	_Xwrite
-		add.l	wrd+4,sp
+		testen	(sp)+
+		blt	halt
+		add.l	#4,sp
 		bra	9f
 2:		move.l	a1,-(sp)
 		move.l	#7,-(sp)	!announce new file name
 		pea	mess2
 		mov	d6,-(sp)
 		bsr	_Xwrite
-		add.l	wrd+4,sp
+		testen	(sp)+
+		blt	halt
+		add.l	#4,sp
 		move.l	(sp)+,a1
 		move.l	(a1),d7
 		move.l	d7,a0		!keep file pointer in d7
@@ -289,7 +326,9 @@ lhalt:
 		pea	mess3
 		mov	d6,-(sp)
 		bsr	_Xwrite
-		add.l	wrd+4,sp
+		testen	(sp)+
+		blt	halt
+		add.l	#4,sp
 		move.l	(sp)+,a1
 		bsr	nexttab
 		tst.l	(a1)		!in case 0 no more lines
@@ -397,7 +436,9 @@ tabprint:	mov	d0,-(sp)	!KEEP FILE DESCRIPTOR FOR WRITING
 		move.l	a2,-(sp)
 		mov	8(sp),-(sp)	!WRITE FILE NAME.
 		bsr	_Xwrite
-		add.l	wrd+4,sp	!CLEAN STACK.
+		testen	(sp)+
+		blt	3f
+		add.l	#4,sp	!CLEAN STACK.
 6:		sub.l	d6,d7		!IN d7 NUMBER OF LINES OF CURRENT PROC.
 		asl.l	#2,d6
 0:		move.l	a3,a0
@@ -410,7 +451,9 @@ tabprint:	mov	d0,-(sp)	!KEEP FILE DESCRIPTOR FOR WRITING
 		pea	buffer
 		mov	8(sp),-(sp)
 		bsr	_Xwrite		!PRINT LINE NUMBER AND INTEGER .
-		add.l	wrd+4,sp	!CLEAN STACK.
+		testen	(sp)+
+		blt	3f
+		add.l	#4,sp	!CLEAN STACK.
 		add.l	#1,d5		!NEXT LINE NUMBER .
 		add.l	#4,d6		!NEXT COUNT.
 		sub.l	#1,d7		!ONE LINE LESS TO GO.
@@ -423,6 +466,10 @@ tabprint:	mov	d0,-(sp)	!KEEP FILE DESCRIPTOR FOR WRITING
 9:		move.l	maxcount,d7
 		move.l	#0,a6		!NO NEXT PROCEDURE.
 		bra	8b
+3:
+		testen	(sp)+
+		testen	(sp)+
+		rts
 
 	.sect .data
 buffer: .asciz "                      \n"