diff options
Diffstat (limited to 'coreutils/ln.c')
| -rw-r--r-- | coreutils/ln.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/coreutils/ln.c b/coreutils/ln.c index 0eb3e6579..3b822e8c7 100644 --- a/coreutils/ln.c +++ b/coreutils/ln.c @@ -20,6 +20,8 @@ //usage: "\n -n Don't dereference symlinks - treat like normal file" //usage: "\n -b Make a backup of the target (if exists) before link operation" //usage: "\n -S suf Use suffix instead of ~ when making backup files" +//usage: "\n -T 2nd arg must be a DIR" +//usage: "\n -v Verbose" //usage: //usage:#define ln_example_usage //usage: "$ ln -s BusyBox /tmp/ls\n" @@ -31,11 +33,13 @@ /* This is a NOEXEC applet. Be very careful! */ -#define LN_SYMLINK 1 -#define LN_FORCE 2 -#define LN_NODEREFERENCE 4 -#define LN_BACKUP 8 -#define LN_SUFFIX 16 +#define LN_SYMLINK (1 << 0) +#define LN_FORCE (1 << 1) +#define LN_NODEREFERENCE (1 << 2) +#define LN_BACKUP (1 << 3) +#define LN_SUFFIX (1 << 4) +#define LN_VERBOSE (1 << 5) +#define LN_LINKFILE (1 << 6) int ln_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int ln_main(int argc, char **argv) @@ -50,10 +54,15 @@ int ln_main(int argc, char **argv) int (*link_func)(const char *, const char *); opt_complementary = "-1"; /* min one arg */ - opts = getopt32(argv, "sfnbS:", &suffix); + opts = getopt32(argv, "sfnbS:vT", &suffix); last = argv[argc - 1]; argv += optind; + argc -= optind; + + if ((opts & LN_LINKFILE) && argc > 2) { + bb_error_msg_and_die("-T accepts 2 args max"); + } if (!argv[1]) { /* "ln PATH/TO/FILE" -> "ln PATH/TO/FILE FILE" */ @@ -72,6 +81,9 @@ int ln_main(int argc, char **argv) (opts & LN_NODEREFERENCE) ^ LN_NODEREFERENCE ) ) { + if (opts & LN_LINKFILE) { + bb_error_msg_and_die("'%s' is a directory", src); + } src_name = xstrdup(*argv); src = concat_path_file(src, bb_get_last_path_component_strip(src_name)); free(src_name); @@ -112,6 +124,10 @@ int ln_main(int argc, char **argv) link_func = symlink; } + if (opts & LN_VERBOSE) { + printf("'%s' -> '%s'\n", src, *argv); + } + if (link_func(*argv, src) != 0) { bb_simple_perror_msg(src); status = EXIT_FAILURE; |