From 50e84d8661b8485bd9f8ffed887a685303d5dada Mon Sep 17 00:00:00 2001
From: Jie Zhang <jie.zhang@analog.com>
Date: Fri, 1 Jul 2011 19:15:09 +0000
Subject: [PATCH] Avoid redundant initialization of hex table.

  * src/lib/hex.c (hex_init): Avoid redundant initialization.


git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1950 b68d4a1b-bc3d-0410-92ed-d4ac073336b7
---
 urjtag/ChangeLog     | 2 ++
 urjtag/src/lib/hex.c | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/urjtag/ChangeLog b/urjtag/ChangeLog
index 2ec93196..ac37ee4b 100644
--- a/urjtag/ChangeLog
+++ b/urjtag/ChangeLog
@@ -13,6 +13,8 @@
   * src/global/data_dir.c (make_relative_prefix): Don't declare.
     Include libiberty.h.
 
+  * src/lib/hex.c (hex_init): Avoid redundant initialization.
+
 2011-06-30  Mike Frysinger  <vapier@gentoo.org>
 
   * cmd/cmd_initbus.c (cmd_initbus_complete): Complete bus parameters too.
diff --git a/urjtag/src/lib/hex.c b/urjtag/src/lib/hex.c
index 5eeafdbd..1f346f85 100644
--- a/urjtag/src/lib/hex.c
+++ b/urjtag/src/lib/hex.c
@@ -159,8 +159,14 @@ void
 hex_init (void)
 {
 #ifndef HEX_TABLE_INITIALIZED
+  static bool inited;
   int i;
 
+  if (inited)
+    return;
+
+  inited = true;
+
   for (i=0; i<_hex_array_size; i++)
     {
       switch (i)