30 lines
649 B
C
30 lines
649 B
C
|
/* vim: tabstop=4 shiftwidth=4 noexpandtab
|
||
|
|
* This file is part of ToaruOS and is released under the terms
|
||
|
|
* of the NCSA / University of Illinois License - see LICENSE.md
|
||
|
|
* Copyright (C) 2015 Mike Gerow
|
||
|
|
*/
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
#define MAX_LINK_SIZE 4096
|
||
|
|
|
||
|
|
static char usage[] =
|
||
|
|
"Usage: %s LINK\n";
|
||
|
|
|
||
|
|
int main(int argc, char * argv[]) {
|
||
|
|
if (argc != 2) {
|
||
|
|
fprintf(stderr, usage, argv[0]);
|
||
|
|
exit(EXIT_FAILURE);
|
||
|
|
}
|
||
|
|
char * name = argv[1];
|
||
|
|
|
||
|
|
char buf[MAX_LINK_SIZE];
|
||
|
|
if (readlink(name, buf, sizeof(buf)) < 0) {
|
||
|
|
//perror("link");
|
||
|
|
exit(EXIT_FAILURE);
|
||
|
|
}
|
||
|
|
fprintf(stdout, "%s\n", buf);
|
||
|
|
exit(EXIT_SUCCESS);
|
||
|
|
}
|