Display the config options, sorted by their names.

[simgrid.git] / src / xbt / config.c

diff --git a/src/xbt/config.c b/src/xbt/config.c
index 456f47d..cd6cfbc 100644 (file)
--- a/src/xbt/config.c
+++ b/src/xbt/config.c
@@ -337,17 +337,30 @@ void xbt_cfg_register_str(xbt_cfg_t * cfg, const char *entry)
   free(entrycpy);               /* strdup'ed by dict mechanism, but cannot be const */
 }
 
+static int strcmp_voidp(const void *pa, const void *pb)
+{
+  return strcmp(*(const char **)pa, *(const char **)pb);
+}
+
 /** @brief Displays the declared options and their description */
 void xbt_cfg_help(xbt_cfg_t cfg)
 {
-  xbt_dict_cursor_t cursor;
+  xbt_dict_cursor_t dict_cursor;
+  unsigned int dynar_cursor;
   xbt_cfgelm_t variable;
   char *name;
+  xbt_dynar_t names = xbt_dynar_new(sizeof(char *), NULL);
 
-  int i;
-  int size;
+  xbt_dict_foreach((xbt_dict_t )cfg, dict_cursor, name, variable) {
+    xbt_dynar_push(names, &name);
+  }
+  xbt_dynar_sort(names, strcmp_voidp);
+
+  xbt_dynar_foreach(names, dynar_cursor, name) {
+    int i;
+    int size;
+    variable = xbt_dict_get((xbt_dict_t )cfg, name);
 
-  xbt_dict_foreach((xbt_dict_t) cfg, cursor, name, variable) {
     printf("   %s: %s\n", name, variable->desc);
     printf("       Type: %s; ", xbt_cfgelm_type_name[variable->type]);
     if (variable->min != 1 || variable->max != 1) {
@@ -399,6 +412,8 @@ void xbt_cfg_help(xbt_cfg_t cfg)
     }
 
   }
+
+  xbt_dynar_free(&names);
 }
 
 /** @brief Check that each variable have the right amount of values */