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| author | Denys Vlasenko | 2011-03-21 12:36:35 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2011-03-21 12:36:35 +0100 |
| commit | b0e8ced3589c601ad5c15e74d6f82b1928e1eb8f (patch) | |
| tree | be5e6987b72e57a0a098709bb7c3280da24b8026 | |
| parent | 32176ccec4eb1a3bc26b0217fa8d23f6ff44fab8 (diff) | |
| download | busybox-b0e8ced3589c601ad5c15e74d6f82b1928e1eb8f.zip busybox-b0e8ced3589c601ad5c15e74d6f82b1928e1eb8f.tar.gz | |
ln: explain why we use xstrdup
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | coreutils/ln.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/coreutils/ln.c b/coreutils/ln.c index ddad120..6da290c 100644 --- a/coreutils/ln.c +++ b/coreutils/ln.c @@ -40,8 +40,12 @@ int ln_main(int argc, char **argv) last = argv[argc - 1]; argv += optind; - if (argc == optind + 1) { + if (!argv[1]) { + /* "ln PATH/TO/FILE" -> "ln PATH/TO/FILE FILE" */ *--argv = last; + /* xstrdup is needed: "ln -s PATH/TO/FILE/" is equivalent to + * "ln -s PATH/TO/FILE/ FILE", not "ln -s PATH/TO/FILE FILE" + */ last = bb_get_last_path_component_strip(xstrdup(last)); } |