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ln: allow with one argument 

Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>
This commit is contained in:
Hiltjo Posthuma 2014-07-10 21:00:02 +00:00 committed by sin
parent 72b909df9c
commit 81bb8422a5
1 changed files with 18 additions and 5 deletions
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23
ln.c
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@ -4,19 +4,20 @@
#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);
eprintf("usage: %s [-fs] target [linkname]\n", argv0);
}
int
main(int argc, char *argv[])
{
int (*flink)(const char *, const char *);
char *fname;
char *fname, *to;
bool sflag = false;
bool fflag = false;
@ -31,12 +32,24 @@ main(int argc, char *argv[])
usage();
} ARGEND;
flink = sflag ? symlink : link;
fname = sflag ? "symlink" : "link";
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], argv[1]) < 0)
if (flink(argv[0], to) < 0)
eprintf("%s:", fname);
return EXIT_SUCCESS;