From: taeyoung <ty317.kim@samsung.com>
Date: Tue, 5 Jul 2016 00:58:32 +0000 (+0900)
Subject: tizenid: change rand() to rand_r( to fix the thread unsafe issue
X-Git-Tag: submit/tizen/20160705.090208~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=03ed3e23e958e25bff41bca4a418ea3ca20d0759;p=platform%2Fcore%2Fapi%2Fsystem-info.git

tizenid: change rand() to rand_r( to fix the thread unsafe issue

Change-Id: I172b39587d12bb066fbdda43ba6084f78a68a3cd
Signed-off-by: taeyoung <ty317.kim@samsung.com>
---

diff --git a/src/tizenid/tizenid.c b/src/tizenid/tizenid.c
index 56fccd2..16382af 100755
--- a/src/tizenid/tizenid.c
+++ b/src/tizenid/tizenid.c
@@ -49,15 +49,16 @@ static int get_pw_key(char *pw, unsigned int len)
 {
 	int i, val, poolsize;
 	char *charpool = CHAR_POOL;
+	unsigned int seed;
 
 	if (!pw)
 		return -EINVAL;
 
 	poolsize = strlen(charpool);
-	srand(time(NULL));
+	seed = time(NULL);
 
 	for (i = 0 ; i < len ; i++) {
-		val = rand() % poolsize;
+		val = rand_r(&seed) % poolsize;
 		pw[i] = *(charpool + val);
 	}