Clarift uc_dstr_ensure

src/dstr.c

@@ -22,13 +22,13 @@ size_t uc_dstr_available(const struct DStr *str)
     return str->allocated - str->len;
 }
 
-int uc_dstr_ensure(struct DStr *str, size_t len)
+int uc_dstr_ensure(struct DStr *str, size_t total)
 {
-    if (str->allocated < len) {
+    if (str->allocated < total) {
         //allocate a minimum no. of bytes, and one
         //additional for the common case of nul terminating
         //the string
-        size_t new_len = UC_MAX(7U, len) + 1;
+        size_t new_len = UC_MAX(7U, total) + 1;
         char *new_str = realloc(str->str, new_len);
 
         if (new_str == NULL) {