From 7caf98dd189a6cc2c238d8d8db731d1d5846bd63 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Sun, 28 Feb 2010 18:39:11 +0100
Subject: [PATCH] Move update_if_necessary to util.c, will be necessary later

---
 include/util.h |  7 +++++++
 src/layout.c   | 11 -----------
 src/util.c     | 11 +++++++++++
 3 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/include/util.h b/include/util.h
index e45fc75a..d1384962 100644
--- a/include/util.h
+++ b/include/util.h
@@ -41,6 +41,13 @@ extern struct keyvalue_table_head by_child;
 int min(int a, int b);
 int max(int a, int b);
 
+/**
+ * Updates *destination with new_value and returns true if it was changed or false
+ * if it was the same
+ *
+ */
+bool update_if_necessary(uint32_t *destination, const uint32_t new_value);
+
 /**
  * Safe-wrapper around malloc which exits if malloc returns NULL (meaning that
  * there is no more memory available)
diff --git a/src/layout.c b/src/layout.c
index 1017c3dd..182870df 100644
--- a/src/layout.c
+++ b/src/layout.c
@@ -31,17 +31,6 @@
 #include "log.h"
 #include "container.h"
 
-/*
- * Updates *destination with new_value and returns true if it was changed or false
- * if it was the same
- *
- */
-static bool update_if_necessary(uint32_t *destination, const uint32_t new_value) {
-        uint32_t old_value = *destination;
-
-        return ((*destination = new_value) != old_value);
-}
-
 /*
  * Gets the unoccupied space (= space which is available for windows which were resized by the user)
  * for the given row. This is necessary to render both, customly resized windows and never touched
diff --git a/src/util.c b/src/util.c
index 1cdc758a..f14052b0 100644
--- a/src/util.c
+++ b/src/util.c
@@ -46,6 +46,17 @@ int max(int a, int b) {
         return (a > b ? a : b);
 }
 
+/*
+ * Updates *destination with new_value and returns true if it was changed or false
+ * if it was the same
+ *
+ */
+bool update_if_necessary(uint32_t *destination, const uint32_t new_value) {
+        uint32_t old_value = *destination;
+
+        return ((*destination = new_value) != old_value);
+}
+
 /*
  * The s* functions (safe) are wrappers around malloc, strdup, …, which exits if one of
  * the called functions returns NULL, meaning that there is no more memory available