b0e8ced35
Denys Vlasenko
2011-03-21
Subject
ln: explain why we use xstrdup
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coreutils/ln.c+5 -1
| @@ -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)); | |
| } | |