From 40d50d693b7049f0d3c357487c947ec86db28934 Mon Sep 17 00:00:00 2001
From: ejurgensen <espenjurgensen@gmail.com>
Date: Sun, 22 Jan 2017 23:06:13 +0100
Subject: [PATCH] [misc] Add small function to swap pointers

---
 src/misc.c | 8 ++++++++
 src/misc.h | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/src/misc.c b/src/misc.c
index 769b15e2..101c6472 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -569,6 +569,14 @@ trimwhitespace(const char *str)
   return out;
 }
 
+void
+swap_pointers(char **a, char **b)
+{
+  char *t = *a;
+  *a = *b;
+  *b = t;
+}
+
 uint32_t
 djb_hash(const void *data, size_t len)
 {
diff --git a/src/misc.h b/src/misc.h
index de1a089e..685a3e14 100644
--- a/src/misc.h
+++ b/src/misc.h
@@ -82,6 +82,9 @@ unicode_fixup_string(char *str, const char *fromcode);
 char *
 trimwhitespace(const char *str);
 
+void
+swap_pointers(char **a, char **b);
+
 uint32_t
 djb_hash(const void *data, size_t len);