diff options
author | Jakob Kaivo <jkk@ung.org> | 2019-08-06 08:50:17 -0400 |
---|---|---|
committer | Jakob Kaivo <jkk@ung.org> | 2019-08-06 08:50:17 -0400 |
commit | e14e15c4f6a62b253da26279e7cc616e19caa704 (patch) | |
tree | ee12f44d3cf7a22824fc694de9c13f44780ae552 /link.c | |
parent | 9f1904aa426aa3d32df647b8d853e57e587a97ec (diff) |
Diffstat (limited to 'link.c')
-rw-r--r-- | link.c | 42 |
1 files changed, 26 insertions, 16 deletions
@@ -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; } |