xref: /titanic_51/usr/src/cmd/lp/lib/lp/sop.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 
31 #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.9	*/
32 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
33 
34 #include "stdio.h"
35 #include "string.h"
36 #include "errno.h"
37 #include "stdlib.h"
38 
39 #include "lp.h"
40 
41 /**
42  ** sop_up_rest() - READ REST OF FILE INTO STRING
43  **/
44 char *
45 sop_up_rest(int fd, char *endsop)
46 {
47 	register int		size,
48 				add_size,
49 				lenendsop;
50 
51 	register char		*str;
52 
53 	char			buf[BUFSIZ];
54 
55 
56 	str = 0;
57 	size = 0;
58 	if (endsop)
59 		lenendsop = strlen(endsop);
60 
61 	errno = 0;
62 	while (fdgets(buf, BUFSIZ, fd)) {
63 		if (endsop && STRNEQU(endsop, buf, lenendsop))
64 			break;
65 		add_size = strlen(buf);
66 		if (str)
67 			str = Realloc(str, size + add_size + 1);
68 		else
69 			str = Malloc(size + add_size + 1);
70 		if (!str) {
71 			errno = ENOMEM;
72 			return (0);
73 		}
74 		strcpy (str + size, buf);
75 		size += add_size;
76 	}
77 	if (errno != 0) {
78 		Free (str);
79 		return (0);
80 	}
81 	return (str);
82 }
83