inpcom.c, inp_get_param_level(), rewrite for readability

src/frontend/inpcom.c

@@ -3517,28 +3517,27 @@ struct dependency
 static int
 inp_get_param_level(int param_num, struct dependency *deps, int total_params)
 {
-    int index1 = 0, comp_level = 0, temp_level = 0;
-    int index2 = 0;
+    int index1, comp_level = 0, temp_level;
+    int index2;
 
     if (deps[param_num].level != -1)
         return deps[param_num].level;
 
-    while (deps[param_num].depends_on[index1] != NULL) {
-        index2 = 0;
-        while (index2 < total_params &&
-               deps[index2].param_name != deps[param_num].depends_on[index1])
-            index2++;
+    for (index1 = 0; deps[param_num].depends_on[index1]; index1++) {
+
+        for (index2 = 0; index2 < total_params; index2++)
+            if (deps[param_num].depends_on[index1] == deps[index2].param_name)
+                break;
 
         if (index2 >= total_params) {
             fprintf(stderr, "ERROR: unable to find dependency parameter for %s!\n", deps[param_num].param_name);
             controlled_exit(EXIT_FAILURE);
         }
-        temp_level = inp_get_param_level(index2, deps, total_params);
-        temp_level++;
+
+        temp_level = inp_get_param_level(index2, deps, total_params) + 1;
 
         if (comp_level < temp_level)
             comp_level = temp_level;
-        index1++;
     }
 
     deps[param_num].level = comp_level;