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sbase/ln.c
Hiltjo Posthuma 81bb8422a5 ln: allow with one argument
Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>
2014-07-21 16:44:06 +01:00

57 lines
847 B
C

/* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.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;
bool sflag = false;
bool fflag = false;
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];
}
if (fflag == true)
remove(argv[1]);
if (flink(argv[0], to) < 0)
eprintf("%s:", fname);
return EXIT_SUCCESS;
}