Commit | Line | Data |
---|---|---|
72aaa5de KB |
1 | /* |
2 | * Copyright (c) 1987 Regents of the University of California. | |
b00122c8 KB |
3 | * All rights reserved. |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
1c15e888 C |
6 | * provided that: (1) source distributions retain this entire copyright |
7 | * notice and comment, and (2) distributions including binaries display | |
8 | * the following acknowledgement: ``This product includes software | |
9 | * developed by the University of California, Berkeley and its contributors'' | |
10 | * in the documentation or other materials provided with the distribution | |
11 | * and in all advertising materials mentioning features or use of this | |
12 | * software. Neither the name of the University nor the names of its | |
13 | * contributors may be used to endorse or promote products derived | |
5e8b0e60 KB |
14 | * from this software without specific prior written permission. |
15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
16 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
1c15e888 | 17 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
72aaa5de | 18 | */ |
38582a33 | 19 | |
72aaa5de KB |
20 | #ifndef lint |
21 | char copyright[] = | |
22 | "@(#) Copyright (c) 1987 Regents of the University of California.\n\ | |
23 | All rights reserved.\n"; | |
24 | #endif /* not lint */ | |
25 | ||
26 | #ifndef lint | |
1c15e888 | 27 | static char sccsid[] = "@(#)basename.c 4.7 (Berkeley) 6/1/90"; |
72aaa5de KB |
28 | #endif /* not lint */ |
29 | ||
13564b25 KB |
30 | #include <stdio.h> |
31 | ||
8c24706b | 32 | main(argc, argv) |
b00122c8 KB |
33 | int argc; |
34 | char **argv; | |
8c24706b | 35 | { |
b00122c8 KB |
36 | register char *p, *t; |
37 | char *base; | |
8c24706b | 38 | |
13564b25 KB |
39 | if (argc < 2 || argc > 3) { |
40 | fprintf(stderr, "usage: basename string [suffix]\n"); | |
8c24706b BJ |
41 | exit(1); |
42 | } | |
b00122c8 KB |
43 | for (p = base = *++argv; *p;) |
44 | if (*p++ == '/') | |
45 | base = p; | |
13564b25 | 46 | if (argc == 3) { |
b00122c8 KB |
47 | for (t = *++argv; *t; ++t); |
48 | do { | |
49 | if (t == *argv) { | |
50 | *p = '\0'; | |
51 | break; | |
52 | } | |
53 | } while (p >= base && *--t == *--p); | |
8c24706b | 54 | } |
13564b25 | 55 | printf("%s\n", base); |
8c24706b BJ |
56 | exit(0); |
57 | } |