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-rw-r--r--toys/posix/ln.c86
1 files changed, 42 insertions, 44 deletions
diff --git a/toys/posix/ln.c b/toys/posix/ln.c
index a83df7f6..bde77269 100644
--- a/toys/posix/ln.c
+++ b/toys/posix/ln.c
@@ -1,6 +1,4 @@
-/* vi: set sw=4 ts=4:
- *
- * ln.c - Create filesystem links
+/* ln.c - Create filesystem links
*
* Copyright 2012 Andre Renaud <andre@bluewatersys.com>
*
@@ -9,17 +7,17 @@
USE_LN(NEWTOY(ln, "<1nfs", TOYFLAG_BIN))
config LN
- bool "ln"
- default y
- help
- usage: ln [-sf] [FROM...] TO
+ bool "ln"
+ default y
+ help
+ usage: ln [-sf] [FROM...] TO
- Create a link between FROM and TO.
- With only one argument, create link in current directory.
+ Create a link between FROM and TO.
+ With only one argument, create link in current directory.
- -s Create a symbolic link
- -f Force the creation of the link, even if TO already exists
- -n Symlink at destination treated as file
+ -s Create a symbolic link
+ -f Force the creation of the link, even if TO already exists
+ -n Symlink at destination treated as file
*/
#define FOR_ln
@@ -27,41 +25,41 @@ config LN
void ln_main(void)
{
- char *dest = toys.optargs[--toys.optc], *new;
- struct stat buf;
- int i;
+ char *dest = toys.optargs[--toys.optc], *new;
+ struct stat buf;
+ int i;
- // With one argument, create link in current directory.
- if (!toys.optc) {
- toys.optc++;
- dest=".";
- }
+ // With one argument, create link in current directory.
+ if (!toys.optc) {
+ toys.optc++;
+ dest=".";
+ }
- // Is destination a directory?
- if (((toys.optflags&FLAG_n) ? lstat : stat)(dest, &buf)
- || !S_ISDIR(buf.st_mode))
- {
- if (toys.optc>1) error_exit("'%s' not a directory");
- buf.st_mode = 0;
- }
+ // Is destination a directory?
+ if (((toys.optflags&FLAG_n) ? lstat : stat)(dest, &buf)
+ || !S_ISDIR(buf.st_mode))
+ {
+ if (toys.optc>1) error_exit("'%s' not a directory");
+ buf.st_mode = 0;
+ }
- for (i=0; i<toys.optc; i++) {
- int rc;
- char *try = toys.optargs[i];
+ for (i=0; i<toys.optc; i++) {
+ int rc;
+ char *try = toys.optargs[i];
- if (S_ISDIR(buf.st_mode)) {
- new = strrchr(try, '/');
- if (!new) new = try;
- new = xmsprintf("%s/%s", dest, new);
- } else new = dest;
- /* Silently unlink the existing target. If it doesn't exist,
- * then we just move on */
- if (toys.optflags & FLAG_f) unlink(new);
+ if (S_ISDIR(buf.st_mode)) {
+ new = strrchr(try, '/');
+ if (!new) new = try;
+ new = xmsprintf("%s/%s", dest, new);
+ } else new = dest;
+ /* Silently unlink the existing target. If it doesn't exist,
+ * then we just move on */
+ if (toys.optflags & FLAG_f) unlink(new);
- rc = (toys.optflags & FLAG_s) ? symlink(try, new) : link(try, new);
- if (rc)
- perror_exit("cannot create %s link from '%s' to '%s'",
- (toys.optflags & FLAG_s) ? "symbolic" : "hard", try, new);
- if (new != dest) free(new);
- }
+ rc = (toys.optflags & FLAG_s) ? symlink(try, new) : link(try, new);
+ if (rc)
+ perror_exit("cannot create %s link from '%s' to '%s'",
+ (toys.optflags & FLAG_s) ? "symbolic" : "hard", try, new);
+ if (new != dest) free(new);
+ }
}