2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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34 static const char sccsid[] = "@(#)getgrent.c 8.2 (Berkeley) 3/21/94";
36 static const char rcsid[] =
41 * This is a slightly modified chunk of getgrent(3). All the YP support
42 * and unneeded functions have been stripped out.
45 #include <sys/types.h>
52 static struct group _gr_group;
53 static int _gr_stayopen;
54 static int grscan(int, int);
55 static int start_gr(void);
58 static char *members[MAXGRP];
59 #define MAXLINELENGTH 1024
60 static char line[MAXLINELENGTH];
65 if (!_gr_fp && !start_gr()) {
82 _setgroupent(int stayopen)
86 _gr_stayopen = stayopen;
93 return(_setgroupent(0));
100 (void)fclose(_gr_fp);
106 grscan(int search, int gid)
111 if (!fgets(line, sizeof(line), _gr_fp))
114 /* skip lines that are too big */
115 if (!strchr(line, '\n')) {
118 while ((ch = getc(_gr_fp)) != '\n' && ch != EOF)
122 if ((_gr_group.gr_name = strsep(&bp, ":\n")) == NULL)
124 if (_gr_group.gr_name[0] == '+')
126 if ((_gr_group.gr_passwd = strsep(&bp, ":\n")) == NULL)
128 if (!(cp = strsep(&bp, ":\n")))
130 _gr_group.gr_gid = atoi(cp);
131 if (search && _gr_group.gr_gid != gid)
134 if (bp == NULL) /* !! Must check for this! */
136 for (m = _gr_group.gr_mem = members;; bp++) {
137 if (m == &members[MAXGRP - 1])
145 } else if (*bp == '\0' || *bp == '\n' || *bp == ' ') {
151 } else if (cp == NULL)