1/* See LICENSE file for copyright and license details. */
 2
 3#include <libgen.h>
 4#include <stdio.h>
 5#include <string.h>
 6
 7#include "util.h"
 8
 9static void
10usage(void)
11{
12  eprintf("usage: %s path [suffix]\n", argv0);
13}
14
15// ?man basename: strip directory and suffix from filenames
16// ?man arguments: path [suffix]
17// ?man print filename with leading directories and optional suffix removed
18int
19main(int argc, char *argv[])
20{
21  ssize_t off;
22  size_t  slen;
23  char   *p = "";
24
25  ARGBEGIN
26  {
27    default:
28      usage();
29  }
30  ARGEND
31
32  if (argc != 1 && argc != 2)
33    usage();
34
35  if (argv[0][0])
36    p = basename(argv[0]);
37  if (argc == 2 && (slen = strlen(argv[1])) > 0) {
38    off = strlen(p) - slen;
39    if (off > 0 && !strcmp(p + off, argv[1]))
40      p[off] = '\0';
41  }
42  puts(p);
43
44  return fshut(stdout, "<stdout>");
45}