2 * Copyright (c) 1985, 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
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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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
35 #include "getusershell.h"
37 #ifndef HAVE_GETUSERSHELL
39 #if defined(LIBC_SCCS) && !defined(lint)
40 static char rcsid[] = "$OpenBSD: getusershell.c,v 1.2 1996/08/19 08:24:15 tholo Exp $";
41 #endif /* LIBC_SCCS and not lint */
47 * Local shells should NOT be added here. They should be added in
51 static char *okshells[] = { _PATH_BSHELL, _PATH_CSHELL, NULL };
52 static char **curshell, **shells, *strings;
53 static char **initshells __P((void));
56 * Get a list of shells from _PATH_SHELLS, if it exists.
64 curshell = initshells();
88 curshell = initshells();
94 register char **sp, *cp;
104 if ((fp = fopen(_PATH_SHELLS, "r")) == NULL)
106 if (fstat(fileno(fp), &statb) == -1) {
110 if ((strings = malloc((u_int)statb.st_size)) == NULL) {
114 shells = calloc((unsigned)statb.st_size / 3, sizeof (char *));
115 if (shells == NULL) {
123 while (fgets(cp, MAXPATHLEN + 1, fp) != NULL) {
124 while (*cp != '#' && *cp != '/' && *cp != '\0')
126 if (*cp == '#' || *cp == '\0')
129 while (!isspace(*cp) && *cp != '#' && *cp != '\0')
138 #endif /* HAVE_GETUSERSHELL */