__seterrno is now a common function available on all platforms with slightly

different calling conventions.


git-svn-id: svn://svn.cc65.org/cc65/trunk@3038 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/atari/rwcommon.s

@@ -1,4 +1,4 @@
-;				 
+;
 ; common iocb setup routine for read, write
 ; expects __fastcall__ parameters (int fd, void *buf, int count)
 ;
@@ -47,7 +47,7 @@ iocberr:jsr	incsp4		; pop args
 ; this routine updates errno.  do a JMP here right after calling
 ; CIOV.	 we expect status in Y.
 ;
-	.export __do_oserror,__seterrno,__inviocb
+	.export __do_oserror,__inviocb
 __do_oserror:
 	sty	__oserror	; save os dependent error code
 retminus:
@@ -55,17 +55,11 @@ retminus:
 	tax			; return -1
 	rts
 
-__seterrno:
-	sta	__errno
-	stx	__errno+1
-	rts
-
 ;
 ; sets EINVAL error code and returns -1
 ;
 
 __inviocb:
 	lda	#<EINVAL
-	ldx	#>EINVAL
 	jsr	__seterrno
 	jmp	retminus	; return -1