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authorJakob Kaivo <jkk@ung.org>2019-08-06 08:50:17 -0400
committerJakob Kaivo <jkk@ung.org>2019-08-06 08:50:17 -0400
commite14e15c4f6a62b253da26279e7cc616e19caa704 (patch)
treeee12f44d3cf7a22824fc694de9c13f44780ae552
parent9f1904aa426aa3d32df647b8d853e57e587a97ec (diff)
clean upHEADmaster
-rw-r--r--link.c42
1 files changed, 26 insertions, 16 deletions
diff --git a/link.c b/link.c
index defb2ff..63f17e2 100644
--- a/link.c
+++ b/link.c
@@ -1,23 +1,28 @@
/*
* UNG's Not GNU
*
- * Copyright (c) 2011-2017, Jakob Kaivo <jkk@ung.org>
+ * Copyright (c) 2011-2019, Jakob Kaivo <jkk@ung.org>
*
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
-#define _XOPEN_SOURCE 700
+#define _POSIX_C_SOURCE 2
#include <errno.h>
#include <stdio.h>
#include <string.h>
@@ -29,14 +34,19 @@ int main(int argc, char *argv[])
return 1;
}
- if (optind != argc - 2) {
- fprintf(stderr, "link: Must specify a source and destination\n");
+ if (argc - optind > 2) {
+ fprintf(stderr, "link: extra operands\n");
+ return 1;
+ }
+
+ if (argc - optind < 2) {
+ fprintf(stderr, "link: missing operands\n");
return 1;
}
if (link(argv[optind], argv[optind + 1]) != 0) {
- fprintf(stderr, "link: Couldn't link '%s' to '%s': %s\n",
- argv[optind], argv[optind + 1], strerror(errno));
+ fprintf(stderr, "link: %s -> %s: %s\n", argv[optind],
+ argv[optind + 1], strerror(errno));
return 1;
}