Increase the size of the buffer used for storing device tree names.

source/common.c

@@ -219,9 +219,8 @@ int lookup_uart_by_name(const char *input_name, char *dt)
     uart_t *p;
     for (p = uart_table; p->name != NULL; ++p) {
         if (strcmp(p->name, input_name) == 0) {
-            strncpy(dt, p->dt, 8);
-            dt[8] = '\0';
-            fprintf(stderr, "return 1 lookup_uart_by_name");
+            strncpy(dt, p->dt, FILENAME_BUFFER_SIZE);
+            dt[FILENAME_BUFFER_SIZE - 1] = '\0';
             return 1;                
         }
     }

source/common.h

@@ -34,6 +34,8 @@ SOFTWARE.
 
 #define ARRAY_SIZE(a)  (sizeof(a) / sizeof(a[0]))
 
+#define FILENAME_BUFFER_SIZE 128
+
 int gpio_mode;
 int gpio_direction[120];
 int pwm_pins[120];

source/py_uart.c

@@ -40,7 +40,7 @@ static PyObject *py_cleanup(PyObject *self, PyObject *args)
 // python function setup()
 static PyObject *py_setup_uart(PyObject *self, PyObject *args)
 {
-    char dt[9];
+    char dt[FILENAME_BUFFER_SIZE];
     char *channel;
 
     if (!PyArg_ParseTuple(args, "s", &channel)) {