sbase/ln.c

56 lines
827 B
C

/* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
static void
usage(void)
{
eprintf("usage: %s [-fs] target [linkname]\n", argv0);
}
int
main(int argc, char *argv[])
{
int (*flink)(const char *, const char *);
char *fname, *to;
int sflag = 0;
int fflag = 0;
ARGBEGIN {
case 'f':
fflag = 1;
break;
case 's':
sflag = 1;
break;
default:
usage();
} ARGEND;
if (argc == 0 || argc > 2)
usage();
if (sflag) {
flink = symlink;
fname = "symlink";
} else {
flink = link;
fname = "link";
}
to = argc < 2 ? basename(argv[0]) : argv[1];
if (fflag)
remove(to);
if (flink(argv[0], to) < 0)
eprintf("%s %s <- %s:", fname, argv[0], to);
return 0;
}