phpredis
diff --git a/‎redis_session.c‎
Lines changed: 2 additions & 6 deletions b/‎redis_session.c‎
Lines changed: 2 additions & 6 deletions
@@ -207,7 +207,7 @@ static int set_session_lock_key(RedisSock *redis_sock, char *cmd, int cmd_len
 static int lock_acquire(RedisSock *redis_sock, redis_session_lock_status *lock_status
                        )
 {
-    char *cmd, hostname[HOST_NAME_MAX] = {0}, suffix[] = "_LOCK", pid[32];
+    char *cmd, hostname[HOST_NAME_MAX] = {0}, suffix[] = "_LOCK";
     int cmd_len, lock_wait_time, retries, i, set_lock_key_result, expiry;
 
     /* Short circuit if we are already locked or not using session locks */
@@ -240,12 +240,8 @@ static int lock_acquire(RedisSock *redis_sock, redis_session_lock_status *lock_s
 
     /* Calculate lock secret */
     gethostname(hostname, HOST_NAME_MAX);
-    size_t hostname_len = strlen(hostname);
-    size_t pid_len = snprintf(pid, sizeof(pid), "|%ld", (long)getpid());
     if (lock_status->lock_secret) zend_string_release(lock_status->lock_secret);
-    lock_status->lock_secret = zend_string_alloc(hostname_len + pid_len, 0);
-    memcpy(ZSTR_VAL(lock_status->lock_secret), hostname, hostname_len);
-    memcpy(ZSTR_VAL(lock_status->lock_secret) + hostname_len, pid, pid_len);
+    lock_status->lock_secret = strpprintf(0, "%s|%ld", hostname, (long)getpid());
 
     if (expiry > 0) {
         cmd_len = REDIS_SPPRINTF(&cmd, "SET", "SSssd", lock_status->lock_key,