# --- T2-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
# 
# T2 SDE: package/.../dietlibc/putenv.patch
# Copyright (C) 2006 The T2 SDE Project
# 
# More information can be found in the files COPYING and README.
# 
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
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For clearenv().

   - Rene Rebe <rene@exactcode.de>

--- ./lib/putenv.c	19 Feb 2006 15:38:28 -0000	1.9
+++ ./lib/putenv.c	22 Jun 2006 14:13:24 -0000
@@ -2,6 +2,8 @@
 #include <string.h>
 #include <errno.h>
 
+char **__origenv; /* also used by clearenv */
+
 int putenv(const char *string) {
   size_t len;
   int envc;
@@ -9,8 +11,7 @@
   char *tmp;
   const char **ep;
   char **newenv;
-  static char **origenv;
-  if (!origenv) origenv=environ;
+  if (!__origenv) __origenv=environ;
   if (!(tmp=strchr(string,'='))) {
     len=strlen(string);
     remove=1;
@@ -29,11 +30,11 @@
     ++envc;
   }
   if (tmp) {
-    newenv = (char**) realloc(environ==origenv?0:environ,
+    newenv = (char**) realloc(environ==__origenv?0:environ,
 			      (envc+2)*sizeof(char*));
     if (!newenv) return -1;
-    if (envc && (environ==origenv)) {
-      memcpy(newenv,origenv,envc*sizeof(char*));
+    if (envc && (environ==__origenv)) {
+      memcpy(newenv,__origenv,envc*sizeof(char*));
     }
     newenv[envc]=(char*)string;
     newenv[envc+1]=0;