sbase/basename.c

43 lines
552 B
C

/* See LICENSE file for copyright and license details. */
#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "util.h"
static void usage(void);
void
usage(void)
{
eprintf("usage: %s name [suffix]\n", 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;
}