fixed some unreadVariable Cppcheck warnings

common/log.c

@@ -1015,7 +1015,7 @@ internal_log_message(const enum logLevels lvl,
     char buff[LOG_BUFFER_SIZE + 43]; /* 31 ("[2022-10-07T19:58:33.065+0900] ") + 8 (log level) + 4 (space+cr+lf+\0) */
     int len = 0;
     enum logReturns rv = LOG_STARTUP_OK;
-    int writereply = 0;
+    int writereply;
 
     if (g_staticLogConfig == NULL)
     {

common/os_calls.c

@@ -2060,7 +2060,7 @@ g_obj_wait(tintptr *read_objs, int rcount, tintptr *write_objs, int wcount,
 #else
     struct pollfd pollfd[MAX_HANDLES];
     int sck;
-    int i = 0;
+    int i;
     unsigned int j = 0;
     int rv = 1;
 

common/string_calls.c

@@ -777,7 +777,7 @@ g_strtrim(char *str, int trim_flags)
 char *
 g_strnjoin(char *dest, int dest_len, const char *joiner, const char *src[], int src_len)
 {
-    int len = 0;
+    int len;
     int joiner_len;
     int i = 0;
     int dest_remaining;

common/trans.c

@@ -308,11 +308,11 @@ trans_send_waiting(struct trans *self, int block)
 int
 trans_check_wait_objs(struct trans *self)
 {
-    tbus in_sck = (tbus) 0;
+    tbus in_sck;
     struct trans *in_trans = (struct trans *) NULL;
-    int read_bytes = 0;
-    unsigned int to_read = 0;
-    unsigned int read_so_far = 0;
+    int read_bytes;
+    unsigned int to_read;
+    unsigned int read_so_far;
     int rv = 0;
     enum xrdp_source cur_source;
 
@@ -616,7 +616,6 @@ trans_write_copy_s(struct trans *self, struct stream *out_s)
         return 1;
     }
     out_data = out_s->data;
-    sent = 0;
     size = (int) (out_s->end - out_s->data);
     if (self->wait_s == 0)
     {