From ea62779338c8223bdb178cd6388f52f0fb8bfd69 Mon Sep 17 00:00:00 2001
From: Antony Dovgal <tony2001@php.net>
Date: Mon, 12 May 2008 08:47:01 +0000
Subject: [PATCH] MFH: revert patch that causes invalid reads/crashes on Linux

---
 ext/standard/basic_functions.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index 16222432ee..feb150ccd2 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -3820,7 +3820,9 @@ static void php_putenv_destructor(putenv_entry *pe) /* {{{ */
 		SetEnvironmentVariable(pe->key, "bugbug");
 #endif
 		putenv(pe->previous_value);
+# if defined(PHP_WIN32)
 		efree(pe->previous_value);
+# endif
 	} else {
 # if HAVE_UNSETENV
 		unsetenv(pe->key);
@@ -4425,8 +4427,12 @@ PHP_FUNCTION(putenv)
 		pe.previous_value = NULL;
 		for (env = environ; env != NULL && *env != NULL; env++) {
 			if (!strncmp(*env, pe.key, pe.key_len) && (*env)[pe.key_len] == '=') {	/* found it */
-				/* must copy previous value because putenv can free the string without notice */
+#if defined(PHP_WIN32)
+				/* must copy previous value because MSVCRT's putenv can free the string without notice */
 				pe.previous_value = estrdup(*env);
+#else
+				pe.previous_value = *env;
+#endif
 				break;
 			}
 		}
-- 
2.40.0