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
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33 * $FreeBSD: src/lib/libc/gen/getusershell.c,v 1.3.2.1 2001/03/05 09:17:52 obrien Exp $
36 #if defined(LIBC_SCCS) && !defined(lint)
37 static char sccsid[] = "@(#)getusershell.c 8.1 (Berkeley) 6/4/93";
39 "$FreeBSD: src/lib/libc/gen/getusershell.c,v 1.3.2.1 2001/03/05 09:17:52 obrien Exp $";
40 #endif /* LIBC_SCCS and not lint */
42 #include <sys/param.h>
53 * Local shells should NOT be added here. They should be added in
57 static char *okshells[] = { _PATH_BSHELL, _PATH_CSHELL, NULL };
58 static char **curshell, **shells, *strings;
59 static char **initshells __P((void));
62 * Get a list of shells from _PATH_SHELLS, if it exists.
70 curshell = initshells();
94 curshell = initshells();
110 if ((fp = fopen(_PATH_SHELLS, "r")) == NULL)
112 if (fstat(fileno(fp), &statb) == -1) {
116 if ((strings = malloc((u_int)statb.st_size)) == NULL) {
120 shells = calloc((unsigned)statb.st_size / 3, sizeof (char *));
121 if (shells == NULL) {
129 while (fgets(cp, MAXPATHLEN + 1, fp) != NULL) {
130 while (*cp != '#' && *cp != '/' && *cp != '\0')
132 if (*cp == '#' || *cp == '\0')
135 while (!isspace((unsigned char)*cp) && *cp != '#' && *cp != '\0')