From f7936b47091fc4effa92ea4a67c9624c64305e80 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Tue, 17 May 2011 10:15:53 -0700
Subject: [PATCH] Avoid multiple getenv calls to the same var

---
 Alc/alcConfig.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/Alc/alcConfig.c b/Alc/alcConfig.c
index 847e5d13..12eb4ff5 100644
--- a/Alc/alcConfig.c
+++ b/Alc/alcConfig.c
@@ -206,6 +206,7 @@ static void LoadConfigFromFile(FILE *f)
 
 void ReadALConfig(void)
 {
+    const char *str;
     FILE *f;
 
     cfgBlocks = calloc(1, sizeof(ConfigBlock));
@@ -231,9 +232,9 @@ void ReadALConfig(void)
         LoadConfigFromFile(f);
         fclose(f);
     }
-    if(getenv("HOME") && *(getenv("HOME")))
+    if((str=getenv("HOME")) != NULL && *str)
     {
-        snprintf(buffer, sizeof(buffer), "%s/.alsoftrc", getenv("HOME"));
+        snprintf(buffer, sizeof(buffer), "%s/.alsoftrc", str);
         f = fopen(buffer, "r");
         if(f)
         {
@@ -242,9 +243,9 @@ void ReadALConfig(void)
         }
     }
 #endif
-    if(getenv("ALSOFT_CONF"))
+    if((str=getenv("ALSOFT_CONF")) != NULL && *str)
     {
-        f = fopen(getenv("ALSOFT_CONF"), "r");
+        f = fopen(str, "r");
         if(f)
         {
             LoadConfigFromFile(f);