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sbase/basename.c
2012-04-23 16:34:34 +02:00

45 lines
610 B
C

/* See LICENSE file for copyright and license details. */
#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdbool.h>
#include "arg.h"
#include "util.h"
char *argv0;
void
usage(void)
{
eprintf("usage: %s name [suffix]\n", basename(argv0));
}
int
main(int argc, char *argv[])
{
char *s;
size_t n;
ARGBEGIN {
default:
usage();
} ARGEND;
if (argc < 1)
usage();
s = basename(argv[0]);
if (argc == 2 && argv[1]) {
n = strlen(s) - strlen(argv[1]);
if (!strcmp(&s[n], argv[1]))
s[n] = '\0';
}
puts(s);
return EXIT_SUCCESS;
}