rtos: Rewrite rtos_try_next() for readability

[fw/openocd] / src / rtos / rtos.c

diff --git a/src/rtos/rtos.c b/src/rtos/rtos.c
index e0160839bbc4cc93566c73c97735b395fbe81a02..aa0976b5c5b2dede68dda6e3c4aef0413320269b 100644 (file)
--- a/src/rtos/rtos.c
+++ b/src/rtos/rtos.c
@@ -456,28 +456,25 @@ int rtos_generic_stack_read(struct target *target,
 
 int rtos_try_next(struct target *target)
 {
-       int x;
+       struct rtos *os = target->rtos;
+       struct rtos_type **type = rtos_types;
 
-       if (target->rtos == NULL)
-               return -1;
-
-       for (x = 0; rtos_types[x]; x++) {
-               if (target->rtos->type == rtos_types[x]) {
-                       /* found */
-                       if (rtos_types[x+1] != NULL) {
-                               target->rtos->type = rtos_types[x+1];
-                               if (target->rtos->symbols != NULL)
-                                       free(target->rtos->symbols);
-                               return 1;
-                       } else {
-                               /* No more rtos types */
-                               return 0;
-                       }
+       if (!os)
+               return 0;
 
-               }
+       while (*type && os->type != *type)
+               type++;
+
+       if (!*type || !*(++type))
+               return 0;
+
+       os->type = *type;
+       if (os->symbols) {
+               free(os->symbols);
+               os->symbols = NULL;
        }
-       return 0;
 
+       return 1;
 }
 
 static void hex_to_str(char *dst, char *hex_src)