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basename.c - sbase - suckless unix tools
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---
basename.c (549B)
---
1 /* See LICENSE file for copyright and license details. */
2 #include <libgen.h>
3 #include <stdio.h>
4 #include <string.h>
5
6 #include "util.h"
7
8 static void
9 usage(void)
10 {
11 eprintf("usage: %s path [suffix]\n", argv0);
12 }
13
14 int
15 main(int argc, char *argv[])
16 {
17 ssize_t off;
18 char *p;
19
20 ARGBEGIN {
21 default:
22 usage();
23 } ARGEND
24
25 if (argc != 1 && argc != 2)
26 usage();
27
28 p = basename(argv[0]);
29 if (argc == 2) {
30 off = strlen(p) - strlen(argv[1]);
31 if (off > 0 && !strcmp(p + off, argv[1]))
32 p[off] = '\0';
33 }
34 puts(p);
35
36 return fshut(stdout, "<stdout>");
37 }
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