add license

1 files changed, 26 insertions, 21 deletions

diff --git a/lr.c b/lr.c
index 2f8e0d3..b4a0305 100644
--- a/lr.c
+++ b/lr.c
@@ -1,13 +1,32 @@
-// lr - a better recursive ls/find
+/* lr - a better recursive ls/find */
+
 /*
-##% gcc -Os -Wall -g -o $STEM $FILE -Wno-switch -Wextra -Wwrite-strings
-*/
+ * Copyright (C) 2015 Christian Neukirchen <purl.org/net/chneukirchen>
+ * Parts of code derived from musl libc, which is
+ * Copyright (C) 2005-2014 Rich Felker, et al.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
 
 /*
-TODO:
-- %NNx formatting strings
-- error handling? keep going
-- avoid stat in recurse
+##% gcc -Os -Wall -g -o $STEM $FILE -Wno-switch -Wextra -Wwrite-strings
 */
 
 #define _GNU_SOURCE
@@ -70,20 +89,6 @@ struct fileinfo {
 	struct stat sb;
 };
 
-/*
->> (false && true) || true
-=> true
->> false && true || true
-=> true
-
-  - expr && expr
-  - expr || expr
-  - (expr)
-  - value > < >= <= == !=
-  - !expr
-  - prune?
-*/
-
 enum op {
 	EXPR_OR = 1,
 	EXPR_AND,