2 * Copyright (c) 2002 Tim J. Robbins.
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/usr.bin/pathchk/pathchk.c,v 1.2.2.1 2002/11/08 04:20:33 tjr Exp $
27 * $DragonFly: src/usr.bin/pathchk/pathchk.c,v 1.2 2003/06/17 04:29:30 dillon Exp $
31 * pathchk -- check pathnames
33 * Check whether files could be created with the names specified on the
34 * command line. If -p is specified, check whether the pathname is portable
35 * to all POSIX systems.
38 #include <sys/types.h>
49 static int check(const char *);
50 static int portable(const char *);
51 static void usage(void);
53 static int pflag; /* Perform portability checks */
56 main(int argc, char *argv[])
61 while ((ch = getopt(argc, argv, "p")) > 0) {
78 while ((arg = *argv++) != NULL)
88 fprintf(stderr, "usage: pathchk [-p] pathname...\n");
93 check(const char *path)
96 long complen, namemax, pathmax, svnamemax;
98 char *end, *p, *pathd;
100 if ((pathd = strdup(path)) == NULL)
107 namemax = pathconf(*p == '/' ? "/" : ".", _PC_NAME_MAX);
108 if (namemax == -1 && errno != 0)
111 namemax = _POSIX_NAME_MAX;
115 complen = (long)strcspn(p, "/");
120 if (namemax != -1 && complen > namemax) {
121 warnx("%s: %s: component too long (limit %ld)", path,
126 if (!pflag && stat(pathd, &sb) == -1 && errno != ENOENT) {
127 warn("%s: %.*s", path, (int)(strlen(pathd) -
128 complen - 1), pathd);
132 if (pflag && (badch = portable(p)) >= 0) {
133 warnx("%s: %s: component contains non-portable "
134 "character `%c'", path, p, badch);
144 namemax = pathconf(pathd, _PC_NAME_MAX);
145 if (namemax == -1 && errno != 0)
155 pathmax = pathconf(path, _PC_PATH_MAX);
156 if (pathmax == -1 && errno != 0)
159 pathmax = _POSIX_PATH_MAX;
160 if (pathmax != -1 && strlen(path) > (size_t)pathmax) {
161 warnx("%s: path too long (limit %ld)", path, pathmax);
173 * Check whether a path component contains only portable characters. Return
174 * the first non-portable character found.
177 portable(const char *path)
179 static const char charset[] =
180 "abcdefghijklmnopqrstuvwxyz"
181 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
188 s = strspn(path, charset);