commit 3063dc12b7d53e46de3634242fd95a4e229d768a
author Andreas Schneider <asn@cryptomilk.org> Mon Apr 13 23:04:05 2015 +0200
committer Ethan Chen <intervigil@gmail.com> Mon Apr 13 21:39:15 2015 +0000
tree 884683e89f817575bb980d8d5f53f1ce2bf9b0f7
parent 47b2d963573042077ddbc3acc875c8e77a9b643d

libril: Avoid strncat which doesn't check if we overflow

Change-Id: I547e071316e8b4492b9837aae2096f27c02b67db
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>

ril/libril/ril.cpp

diff --git a/ril/libril/ril.cpp b/ril/libril/ril.cpp
index 66dd958..37582f0 100644
--- a/ril/libril/ril.cpp
+++ b/ril/libril/ril.cpp
@@ -4418,7 +4418,7 @@
 
     char rildebug[MAX_DEBUG_SOCKET_NAME_LENGTH] = SOCKET_NAME_RIL_DEBUG;
     if (inst != NULL) {
-        strncat(rildebug, inst, MAX_DEBUG_SOCKET_NAME_LENGTH);
+        snprintf(rildebug, sizeof(rildebug), "%s%s", SOCKET_NAME_RIL_DEBUG, inst);
     }
 
     s_fdDebug = android_get_control_socket(rildebug);