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