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

Change-Id: I547e071316e8b4492b9837aae2096f27c02b67db Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
10 years ago · 3063dc12b7
parent 47b2d96357
commit 3063dc12b7
1 changed files with 1 additions and 1 deletions
--- a/ril/libril/ril.cpp
+++ b/ril/libril/ril.cpp
@ -4418,7 +4418,7 @@ RIL_register (const RIL_RadioFunctions *callbacks) {

    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);