42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/*
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* link implementation for busybox
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*
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* Copyright (C) 2017 Denys Vlasenko <vda.linux@googlemail.com>
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*
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* Licensed under GPLv2, see file LICENSE in this source tree.
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*/
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//config:config LINK
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//config: bool "link (3.1 kb)"
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//config: default y
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//config: help
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//config: link creates hard links between files.
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//applet:IF_LINK(APPLET_NOFORK(link, link, BB_DIR_BIN, BB_SUID_DROP, link))
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//kbuild:lib-$(CONFIG_LINK) += link.o
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//usage:#define link_trivial_usage
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//usage: "FILE LINK"
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//usage:#define link_full_usage "\n\n"
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//usage: "Create hard LINK to FILE"
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#include "libbb.h"
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/* This is a NOFORK applet. Be very careful! */
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int link_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int link_main(int argc UNUSED_PARAM, char **argv)
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{
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opt_complementary = "=2"; /* exactly 2 params */
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getopt32(argv, "");
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argv += optind;
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if (link(argv[0], argv[1]) != 0) {
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/* shared message */
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bb_perror_msg_and_die("can't create %slink "
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"%s to %s", "hard",
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argv[1], argv[0]
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);
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}
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return EXIT_SUCCESS;
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}
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