freediameter ptest cases testmesg_stress.c and testloadext.c need load
extensions both build time and runtime. Then they search extensions with
build directory that causes runtime failures.

Pass an environment variable to define runtime extension path.

Upstream-Status: Inappropriate [OE ptest specific]

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>

diff -Nur freeDiameter-1.2.0.orig/tests/testloadext.c freeDiameter-1.2.0/tests/testloadext.c
--- freeDiameter-1.2.0.orig/tests/testloadext.c	2014-02-19 17:33:24.785405032 +0800
+++ freeDiameter-1.2.0/tests/testloadext.c	2014-02-19 20:08:03.871403924 +0800
@@ -49,7 +49,7 @@
 {
 	DIR *dir;
 	struct dirent *dp;
-	char fullname[512];
+	char fullname[1024];
 	int pathlen;
 
 	/* First, initialize the daemon modules */
@@ -57,11 +57,16 @@
 	CHECK( 0, fd_queues_init()  );
 	CHECK( 0, fd_msg_init()  );
 	CHECK( 0, fd_rtdisp_init()  );
-	
+
+	char *ext_dir = getenv("EXTENSIONS_DIR");
+	if (ext_dir)
+		pathlen = snprintf(fullname, sizeof(fullname), "%s", ext_dir);
+	else
+		pathlen = snprintf(fullname, sizeof(fullname), BUILD_DIR "/extensions/");
+
 	/* Find all extensions which have been compiled along the test */
-	TRACE_DEBUG(INFO, "Loading from: '%s'", BUILD_DIR "/extensions");
-	CHECK( 0, (dir = opendir (BUILD_DIR "/extensions")) == NULL ? 1 : 0 );
-	pathlen = snprintf(fullname, sizeof(fullname), BUILD_DIR "/extensions/");
+	TRACE_DEBUG(INFO, "Loading from: '%s'", fullname);
+	CHECK( 0, (dir = opendir (fullname)) == NULL ? 1 : 0 );
 	
 	while ((dp = readdir (dir)) != NULL) {
 		char * dot = strrchr(dp->d_name, '.');
diff -Nur freeDiameter-1.2.0.orig/tests/testmesg_stress.c freeDiameter-1.2.0/tests/testmesg_stress.c
--- freeDiameter-1.2.0.orig/tests/testmesg_stress.c	2014-02-19 17:33:24.785405032 +0800
+++ freeDiameter-1.2.0/tests/testmesg_stress.c	2014-02-19 20:08:03.928403924 +0800
@@ -67,15 +67,20 @@
 {
 	DIR *dir;
 	struct dirent *dp;
-	char fullname[512];
+	char fullname[1024];
 	int pathlen;
 	struct fd_list all_extensions = FD_LIST_INITIALIZER(all_extensions);
 	struct fd_list ext_with_depends = FD_LIST_INITIALIZER(ext_with_depends);
 
+	char *ext_dir = getenv("EXTENSIONS_DIR");
+	if (ext_dir)
+		pathlen = snprintf(fullname, sizeof(fullname), "%s", ext_dir);
+	else
+		pathlen = snprintf(fullname, sizeof(fullname), BUILD_DIR "/extensions/");
+
 	/* Find all extensions which have been compiled along the test */
-	LOG_D("Loading %s*.fdx from: '%s'", BUILD_DIR "/extensions", prefix ?: "");
-	CHECK( 0, (dir = opendir (BUILD_DIR "/extensions")) == NULL ? 1 : 0 );
-	pathlen = snprintf(fullname, sizeof(fullname), BUILD_DIR "/extensions/");
+	TRACE_DEBUG(INFO, "Loading from: '%s'", fullname);
+	CHECK( 0, (dir = opendir (fullname)) == NULL ? 1 : 0 );
 	
 	while ((dp = readdir (dir)) != NULL) {
 		char * dot = strrchr(dp->d_name, '.');