xref: /illumos-gate/usr/src/cmd/lp/lib/lp/sop.c (revision 2a8bcb4efb45d99ac41c94a75c396b362c414f7f)
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 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
31 
32 #include "stdio.h"
33 #include "string.h"
34 #include "errno.h"
35 #include "stdlib.h"
36 
37 #include "lp.h"
38 
39 /**
40  ** sop_up_rest() - READ REST OF FILE INTO STRING
41  **/
42 char *
sop_up_rest(int fd,char * endsop)43 sop_up_rest(int fd, char *endsop)
44 {
45 	register int		size,
46 				add_size,
47 				lenendsop;
48 
49 	register char		*str;
50 
51 	char			buf[BUFSIZ];
52 
53 
54 	str = 0;
55 	size = 0;
56 	if (endsop)
57 		lenendsop = strlen(endsop);
58 
59 	errno = 0;
60 	while (fdgets(buf, BUFSIZ, fd)) {
61 		if (endsop && STRNEQU(endsop, buf, lenendsop))
62 			break;
63 		add_size = strlen(buf);
64 		if (str)
65 			str = Realloc(str, size + add_size + 1);
66 		else
67 			str = Malloc(size + add_size + 1);
68 		if (!str) {
69 			errno = ENOMEM;
70 			return (0);
71 		}
72 		strcpy (str + size, buf);
73 		size += add_size;
74 	}
75 	if (errno != 0) {
76 		Free (str);
77 		return (0);
78 	}
79 	return (str);
80 }
81