xref: /original-bsd/usr.bin/pascal/libpc/GET.c (revision b4971bb3)
1 /*-
2  * Copyright (c) 1979, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #ifndef lint
9 static char sccsid[] = "@(#)GET.c	8.1 (Berkeley) 06/06/93";
10 #endif /* not lint */
11 
12 #include "h00vars.h"
13 
14 GET(curfile)
15 
16 	register struct iorec	*curfile;
17 {
18 	if (curfile->funit & FWRITE) {
19 		ERROR("%s: Attempt to read, but open for writing\n",
20 			curfile->pfname);
21 		return;
22 	}
23 	IOSYNC(curfile);
24 	if (curfile->funit & EOFF) {
25 		ERROR("%s: Tried to read past end of file\n", curfile->pfname);
26 		return;
27 	}
28 	curfile->funit |= SYNC;
29 }
30