61 lines
1.3 KiB
C
61 lines
1.3 KiB
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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* 2018 K. Lange
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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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#include <errno.h>
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static const char usage[] =
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"Usage: %s [-s] TARGET NAME\n"
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" -s: Create a symbolic link.\n"
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" -h: Print this help message and exit.\n";
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int main(int argc, char * argv[]) {
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int symlink_flag = 0;
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int c;
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while ((c = getopt(argc, argv, "sh")) != -1) {
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switch (c) {
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case 's':
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symlink_flag = 1;
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break;
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case 'h':
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fprintf(stdout, usage, argv[0]);
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exit(EXIT_SUCCESS);
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default:
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fprintf(stderr, usage, argv[0]);
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exit(EXIT_FAILURE);
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}
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}
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if (argc - optind < 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 * target = argv[optind];
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char * name = argv[optind + 1];
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if (symlink_flag) {
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if(symlink(target, name) < 0) {
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fprintf(stderr, "%s: %s: %s\n", argv[0], name, strerror(errno));
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exit(EXIT_FAILURE);
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}
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exit(EXIT_SUCCESS);
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}
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#ifdef link
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if (link(target, name) < 0) {
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fprintf(stderr, "%s: %s: %s\n", argv[0], name, strerror(errno));
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exit(EXIT_FAILURE);
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}
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#else
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fprintf(stderr, "%s: %s: hard link not supported\n", argv[0], name);
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#endif
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exit(EXIT_SUCCESS);
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}
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