/src/sudo/lib/util/basename.c
Line | Count | Source |
1 | | /* |
2 | | * SPDX-License-Identifier: ISC |
3 | | * |
4 | | * Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws> |
5 | | * |
6 | | * Permission to use, copy, modify, and distribute this software for any |
7 | | * purpose with or without fee is hereby granted, provided that the above |
8 | | * copyright notice and this permission notice appear in all copies. |
9 | | * |
10 | | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
11 | | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
12 | | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
13 | | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
14 | | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
15 | | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
16 | | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
17 | | */ |
18 | | |
19 | | #include <config.h> |
20 | | |
21 | | #include <errno.h> |
22 | | #include <stdarg.h> |
23 | | #include <stdio.h> |
24 | | #include <stdlib.h> |
25 | | #include <string.h> |
26 | | #include <syslog.h> |
27 | | |
28 | | #include <sudo_compat.h> |
29 | | #include <sudo_util.h> |
30 | | |
31 | | /* |
32 | | * GNU-compatible basename(3) |
33 | | * Unlike the POSIX version, this version never modifies its argument |
34 | | * and returns an empty string if filename ends in a slash. |
35 | | */ |
36 | | char * |
37 | | sudo_basename_v1(const char *filename) |
38 | 8 | { |
39 | 8 | char *base; |
40 | | |
41 | 8 | if ((base = strrchr(filename, '/')) != NULL) |
42 | 8 | base++; |
43 | 0 | else |
44 | 0 | base = (char *)filename; |
45 | | |
46 | 8 | return base; |
47 | 8 | } |