From 0cba405924f31e64e6abba52fa7572998cb4a9f2 Mon Sep 17 00:00:00 2001
From: Seunghun Lee <shiin.lee@samsung.com>
Date: Mon, 18 May 2020 14:13:08 +0900
Subject: [PATCH] Revert "remove getenv() function."

it needs to be more verified.

This reverts commit df7381bc4111c24cbe7363dd039572332270230b.

Change-Id: If7c555fd0a9ca4159abb5b7de906a0e2b5016eab
---
 src/tbm_backend.c        |  7 ++++++-
 src/tbm_bufmgr.c         | 11 ++++++++++-
 src/tbm_bufmgr_backend.c |  7 ++++++-
 3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/src/tbm_backend.c b/src/tbm_backend.c
index cd241b2..4c9ce19 100644
--- a/src/tbm_backend.c
+++ b/src/tbm_backend.c
@@ -38,13 +38,18 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 int
 tbm_backend_bufmgr_query_display_server(tbm_bufmgr bufmgr, tbm_error_e *error)
 {
+	const char *value;
+
 	if (!bufmgr) {
 		if (error)
 			*error = TBM_ERROR_INVALID_PARAMETER;
 		return 0;
 	}
 
-	if (gBufMgr->display_server) {
+	/* TODO: TBM_DISPLAY_SERVER will be removed */
+	value = (const char*)getenv("TBM_DISPLAY_SERVER");
+
+	if (value || gBufMgr->display_server) {
 		if (error)
 			*error = TBM_ERROR_NONE;
 		return 1;
diff --git a/src/tbm_bufmgr.c b/src/tbm_bufmgr.c
index d80f7ec..eefe8e8 100644
--- a/src/tbm_bufmgr.c
+++ b/src/tbm_bufmgr.c
@@ -480,7 +480,16 @@ _tbm_bufmgr_init(int fd, int server)
 #endif
 
 	bDlog = 1;
-	trace_mask = 0;
+
+	/* LCOV_EXCL_START */
+#ifdef TRACE
+	env = getenv("TBM_TRACE");
+	if (env) {
+		trace_mask = atoi(env);
+		TBM_DBG("TBM_TRACE=%s\n", env);
+	} else
+		trace_mask = 0;
+#endif
 
 	pthread_mutex_lock(&gLock);
 
diff --git a/src/tbm_bufmgr_backend.c b/src/tbm_bufmgr_backend.c
index 11aa5eb..87d3c78 100644
--- a/src/tbm_bufmgr_backend.c
+++ b/src/tbm_bufmgr_backend.c
@@ -110,12 +110,17 @@ void *tbm_backend_get_bo_priv(tbm_bo bo)
 
 int tbm_backend_is_display_server(void)
 {
+	const char *value;
+
 	if (gBufMgr == NULL) {
 		TBM_ERR("error: no gBufMgr.\n");
 		return 0;
 	}
 
-	if (gBufMgr->display_server)
+	/* TODO: TBM_DISPLAY_SERVER will be removed */
+	value = (const char*)getenv("TBM_DISPLAY_SERVER");
+
+	if (value || gBufMgr->display_server)
 		return 1;
 
 	return 0;
-- 
2.7.4