/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  | 0  | { | 
39  | 0  |     char *base;  | 
40  |  | 
  | 
41  | 0  |     if ((base = strrchr(filename, '/')) != NULL)  | 
42  | 0  |   base++;  | 
43  | 0  |     else  | 
44  | 0  |   base = (char *)filename;  | 
45  |  | 
  | 
46  | 0  |     return base;  | 
47  | 0  | }  |