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	basename.c - sbase - suckless unix tools
	git clone git://git.suckless.org/sbase
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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 }