new API function mrb_string_value_len()

mruby · Dec 1, 2015 · 36fabe1 · 36fabe1
1 parent 0701236
commit 36fabe1
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diff --git a/include/mruby/string.h b/include/mruby/string.h
@@ -123,7 +123,8 @@ MRB_API mrb_value mrb_check_string_type(mrb_state *mrb, mrb_value str);
 MRB_API mrb_value mrb_str_buf_new(mrb_state *mrb, size_t capa);
 
 MRB_API const char *mrb_string_value_cstr(mrb_state *mrb, mrb_value *ptr);
-MRB_API const char *mrb_string_value_ptr(mrb_state *mrb, mrb_value ptr);
+MRB_API const char *mrb_string_value_ptr(mrb_state *mrb, mrb_value str);
+MRB_API mrb_int mrb_string_value_len(mrb_state *mrb, mrb_value str);
 
 /*
  * Duplicates a string object.

diff --git a/src/string.c b/src/string.c
@@ -1013,6 +1013,13 @@ mrb_string_value_ptr(mrb_state *mrb, mrb_value ptr)
   return RSTRING_PTR(str);
 }
 
+MRB_API mrb_int
+mrb_string_value_len(mrb_state *mrb, mrb_value ptr)
+{
+  mrb_value str = mrb_str_to_str(mrb, ptr);
+  return RSTRING_LEN(str);
+}
+
 void
 mrb_noregexp(mrb_state *mrb, mrb_value self)
 {