Category : C++ Source Code
Archive   : VCCRT1.ZIP
Filename : UNLINK.ASM

page ,132
title unlink - unlink a file
;***
;unlink.asm - unlink (delete) a file
;
; Copyright (c) 1987-1992, Microsoft Corporation. All rights reserved.
;
;Purpose:
; defines unlink() - unlink/delete a file
;
;*******************************************************************************

include version.inc
.xlist
include cmacros.inc
include msdos.inc
.list

sBegin code

extrn __dosret0:near

assumes cs,code

page
;***
;int _unlink(path), int remove(path) - unlinks (deletes) a file
;
;Purpose:
; Unlinks/deletes a file.
;
;Entry:
; char *path - file to delete
;
;Exit:
; returns 0 if successful
; returns -1 and sets errno if unsuccessful
;
;Uses:
;
;Exceptions:
;
;*******************************************************************************

cProc remove,,<>
cBegin nogen
cEnd nogen

cProc _unlink,,<>

parmdp path

cBegin

if sizeD
push ds
lds dx,path ; get file name
else
mov dx,path ; get file name
endif
callos delete ; delete file
if sizeD
pop ds
endif
jmp __dosret0 ; return 0 if successful

cEnd nogen

sEnd
end