From c55632007e746fbdf7ff948aac64bb92eec1031a Mon Sep 17 00:00:00 2001
From: Pierre Joye <pajoye@php.net>
Date: Mon, 30 Aug 2010 17:05:56 +0000
Subject: [PATCH] - fix possible leak and error while fetching PHPRC

---
 main/php_ini.c | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/main/php_ini.c b/main/php_ini.c
index 2c699b1a4d..bc0bbf04ef 100644
--- a/main/php_ini.c
+++ b/main/php_ini.c
@@ -398,13 +398,35 @@ int php_init_config(TSRMLS_D)
 		static const char paths_separator[] = { ZEND_PATHS_SEPARATOR, 0 };
 #ifdef PHP_WIN32
 		char *reg_location;
+		char phprc_path[MAXPATHLEN];
 #endif
 
 		env_location = getenv("PHPRC");
+
+#ifdef PHP_WIN32
 		if (!env_location) {
-			env_location = "";
+			char dummybuf;
+			int size;
+
+			SetLastError(0);
+
+			/*If the given bugger is not large enough to hold the data, the return value is 
+			the buffer size,  in characters, required to hold the string and its terminating 
+			null character. We use this return value to alloc the final buffer. */
+			size = GetEnvironmentVariableA("PHPRC", &dummybuf, 0);
+			if (GetLastError() == ERROR_ENVVAR_NOT_FOUND) {
+				/* The environment variable doesn't exist. */
+				env_location = "";
+			} else {
+				if (size == 0) {
+					env_location = "";
+				} else {
+					size = GetEnvironmentVariableA("PHPRC", phprc_path, size);
+					env_location = phprc_path;
+				}
+			}
 		}
-
+#endif
 		/*
 		 * Prepare search path
 		 */
-- 
2.50.1