Add license arg, fewer glib leaks

COPYING

@@ -1,5 +1,7 @@
 Copyright (c) 2021 Macoy Madson
 
+Email: macoy@macoy.me
+
 This file is part of Auto Color.
 
 Auto Color is free software: you can redistribute it and/or modify

src/AutoColor.cake

@@ -47,12 +47,14 @@
       (return false))
 
     (snprintf wallpaper-out wallpaper-out-size "%s" (+ background file-uri-prefix-length))
+    (g_free background)
 
     ;; GLib puts %20 for e.g. space in strings. Parse those out into valid file paths
     (var found-bad-char bool false)
     (each-char-in-string wallpaper-out current-char
       (when (= '%' (deref current-char))
-        (set found-bad-char true)))
+        (set found-bad-char true)
+        (break)))
     (when found-bad-char
       (uriUnescapeInPlaceEx wallpaper-out))
     (return true)))

src/AutoColorCLI.cake

@@ -1,5 +1,5 @@
 (import "AutoColor.cake")
-(c-import "<stdio.h>")
+(c-import "<stdio.h>" "<string.h>")
 
 (var g-copyright-string (* (const char))
   #"#Auto Color
@@ -20,24 +20,67 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with Auto Color.  If not, see <https://www.gnu.org/licenses/>.
 
-Uses color conversion functions with the following preamble:
+--------------------------------------------------------------------------------
+
+Uses modified color conversion functions with the following preamble:
 Ported by Renaud Bédard (@renaudbedard) from original code from Tanner Helland:
 http://www.tannerhelland.com/4435/convert-temperature-rgb-algorithm-code/
 Color space functions translated from HLSL versions on Chilli Ant (by Ian Taylor):
 http://www.chilliant.com/rgb2hsv.html
 Licensed and released under Creative Commons 3.0 Attribution:
 https://creativecommons.org/licenses/by/3.0/
+
 Copied from https://github.com/mixaal/imageprocessor.
-Modified by converting to Cakelisp by Macoy Madson.#"#)
+Modified by Macoy Madson.
+
+--------------------------------------------------------------------------------
+
+Uses modified code from uriparser:
+uriparser - RFC 3986 URI parsing library
+
+Copyright (C) 2007, Weijia Song <songweijia@gmail.com>
+Copyright (C) 2007, Sebastian Pipping <sebastian@pipping.org>
+All rights reserved.
 
-;; (defun-local print-help ()
-;;   (fprintf stderr "Expected filename\n"))
+Redistribution and use in source  and binary forms, with or without
+modification, are permitted provided  that the following conditions
+are met:
+
+    1. Redistributions  of  source  code   must  retain  the  above
+       copyright notice, this list  of conditions and the following
+       disclaimer.
+
+    2. Redistributions  in binary  form  must  reproduce the  above
+       copyright notice, this list  of conditions and the following
+       disclaimer  in  the  documentation  and/or  other  materials
+       provided with the distribution.
+
+    3. Neither the  name of the  copyright holder nor the  names of
+       its contributors may be used  to endorse or promote products
+       derived from  this software  without specific  prior written
+       permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND  ANY EXPRESS OR IMPLIED WARRANTIES,  INCLUDING, BUT NOT
+LIMITED TO,  THE IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS
+FOR  A  PARTICULAR  PURPOSE  ARE  DISCLAIMED.  IN  NO  EVENT  SHALL
+THE  COPYRIGHT HOLDER  OR CONTRIBUTORS  BE LIABLE  FOR ANY  DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA,  OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+STRICT  LIABILITY,  OR  TORT (INCLUDING  NEGLIGENCE  OR  OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+OF THE POSSIBILITY OF SUCH DAMAGE.#"#)
 
 (defun main (num-arguments int arguments ([] (* char)) &return int)
-  ;; (unless (> 1 num-arguments)
-  ;;   (print-help)
-  ;;   (return 1))
-  (fprintf stderr "%s\n" g-copyright-string)
+  (when (> num-arguments 1)
+    (when (= 0 (strcmp (at 1 arguments) "--license"))
+      (fprintf stderr "%s\n" g-copyright-string)
+      (return 0)))
+  (fprintf stderr "Auto Color\nCopyright (c) 2021 Macoy Madson.\n
+Pass --license to see copyright and license info.\n")
+
   (unless (auto-color-pick-from-current-background)
     (return 1))
   (return 0))