sbase/ln.c

57 lines
847 B
C
Raw Normal View History

2011-05-24 08:00:30 -04:00
/* See LICENSE file for copyright and license details. */
2011-06-03 21:56:18 -04:00
#include <errno.h>
2011-05-24 08:00:30 -04:00
#include <stdbool.h>
2011-06-03 21:56:18 -04:00
#include <stdio.h>
2011-05-24 08:00:30 -04:00
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
2011-05-24 08:00:30 -04:00
#include "util.h"
2013-06-14 14:20:47 -04:00
static void
usage(void)
{
eprintf("usage: %s [-fs] target [linkname]\n", argv0);
2013-06-14 14:20:47 -04:00
}
2011-05-24 08:00:30 -04:00
int
main(int argc, char *argv[])
{
2014-02-17 06:41:37 -05:00
int (*flink)(const char *, const char *);
char *fname, *to;
2014-02-17 06:41:37 -05:00
bool sflag = false;
bool fflag = false;
2013-06-14 14:20:47 -04:00
ARGBEGIN {
case 'f':
fflag = true;
break;
case 's':
sflag = true;
break;
default:
usage();
} ARGEND;
if(sflag) {
flink = symlink;
fname = "symlink";
} else {
flink = link;
fname = "link";
}
if(argc < 2) {
if((to = strrchr(argv[0], '/')))
to++;
} else {
to = argv[1];
}
2014-02-17 06:41:37 -05:00
if (fflag == true)
remove(argv[1]);
if (flink(argv[0], to) < 0)
2014-02-17 06:41:37 -05:00
eprintf("%s:", fname);
2013-06-14 14:20:47 -04:00
return EXIT_SUCCESS;
2011-05-24 08:00:30 -04:00
}