utils-std

commit: 5342b24f9fb82f1c77c50e5bd1a079d65ae4eec5
parent 03cb1a2b8b6ca7d01c50966cbbc5c0a45f9be35e
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Wed, 22 Jan 2025 13:05:16 +0100

cmd/ln: support target-less usage

Diffstat:
M
cmd/ln.1
12
++++++++++--
M
cmd/ln.c
15
++++++++++-----
M
test-cmd/ln.t
5
+++++

3 files changed, 25 insertions(+), 7 deletions(-)
diff --git a/cmd/ln.1 b/cmd/ln.1
@@ -12,12 +12,12 @@
 .Op Fl fnv
 .Op Fl L Ns | Ns Fl P
 .Ar source...
-.Ar target
+.Op Ar target
 .Nm
 .Fl s
 .Op Fl fn
 .Ar reference...
-.Ar target
+.Op Ar target
 .Sh DESCRIPTION
 .Nm
 create links at
@@ -37,6 +37,11 @@ are given,
 .Nm
 will create links into
 .Ar target .
+If
+.Ar target
+is unspecified, then it is set to the current directory, as if
+.Qq \&.
+would have been passed.
 .Pp
 Should be noted that unlike commands like
 .Xr cp 1 ,
@@ -78,5 +83,8 @@ The
 and
 .Fl v
 options are extensions.
+Support for unspecified
+.Ar target
+is an extension.
 .Sh AUTHORS
 .An Haelwenn (lanodan) Monnier Aq Mt contact+utils@hacktivis.me
diff --git a/cmd/ln.c b/cmd/ln.c
@@ -168,11 +168,19 @@ main(int argc, char *argv[])
 	argc -= optind;
 	argv += optind;
 
-	if(argc <= 1)
+	char *dest = argv[argc - 1];
+	char target[PATH_MAX] = "";
+
+	if(argc <= 0)
 	{
-		fprintf(stderr, "ln: error: Not enough operands, %d given, expect >= 2\n", argc);
+		fprintf(stderr, "ln: error: Not enough operands, %d given, expect >= 1\n", argc);
 		return 1;
 	}
+	else if(argc == 1)
+	{
+		dest = (char *)".";
+		argc++;
+	}
 	else if(argc == 2)
 	{
 		errno = 0;
@@ -194,9 +202,6 @@ main(int argc, char *argv[])
 		}
 	}
 
-	char *dest = argv[argc - 1];
-	char target[PATH_MAX] = "";
-
 	for(int i = 0; i < argc - 1; i++)
 	{
 		char *src = argv[i];
diff --git a/test-cmd/ln.t b/test-cmd/ln.t
@@ -90,5 +90,10 @@
   hardlink
   $ rm -r e_target_dir e_src_dir
 
+  $ ln -sn //example.org
+  $ readlink ./example.org
+  //example.org
+  $ rm ./example.org
+
   $ find .
   .