2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static const char sccsid[] = "@(#)getgrent.c 8.2 (Berkeley) 3/21/94";
38 static const char rcsid[] =
43 * This is a slightly modified chunk of getgrent(3). All the YP support
44 * and unneeded functions have been stripped out.
47 #include <sys/types.h>
54 static struct group _gr_group;
55 static int _gr_stayopen;
56 static int grscan(int, int);
57 static int start_gr(void);
60 static char *members[MAXGRP];
61 #define MAXLINELENGTH 1024
62 static char line[MAXLINELENGTH];
67 if (!_gr_fp && !start_gr()) {
84 _setgroupent(int stayopen)
88 _gr_stayopen = stayopen;
95 return(_setgroupent(0));
102 (void)fclose(_gr_fp);
108 grscan(int search, int gid)
113 if (!fgets(line, sizeof(line), _gr_fp))
116 /* skip lines that are too big */
117 if (!index(line, '\n')) {
120 while ((ch = getc(_gr_fp)) != '\n' && ch != EOF)
124 if ((_gr_group.gr_name = strsep(&bp, ":\n")) == NULL)
126 if (_gr_group.gr_name[0] == '+')
128 if ((_gr_group.gr_passwd = strsep(&bp, ":\n")) == NULL)
130 if (!(cp = strsep(&bp, ":\n")))
132 _gr_group.gr_gid = atoi(cp);
133 if (search && _gr_group.gr_gid != gid)
136 if (bp == NULL) /* !! Must check for this! */
138 for (m = _gr_group.gr_mem = members;; bp++) {
139 if (m == &members[MAXGRP - 1])
147 } else if (*bp == '\0' || *bp == '\n' || *bp == ' ') {
153 } else if (cp == NULL)