Separate `mrb_str_buf_new` and `mrb_str_new_capa`.

`mrb_str_buf_new` is an old function that ensures capacity size of
`MRB_STR_BUF_MIN_SIZE` minimum. Usually one need to use
`mrb_str_new_capa` instead.

1 files changed, 14 insertions, 8 deletions

diff --git a/src/string.c b/src/string.c
index 551d33a12..801e77f16 100644
--- a/src/string.c
+++ b/src/string.c
@@ -94,12 +94,8 @@ mrb_str_new_empty(mrb_state *mrb, mrb_value str)
   return mrb_obj_value(s);
 }
 
-#ifndef MRB_STR_BUF_MIN_SIZE
-# define MRB_STR_BUF_MIN_SIZE 128
-#endif
-
 MRB_API mrb_value
-mrb_str_buf_new(mrb_state *mrb, size_t capa)
+mrb_str_new_capa(mrb_state *mrb, size_t capa)
 {
   struct RString *s;
 
@@ -108,9 +104,6 @@ mrb_str_buf_new(mrb_state *mrb, size_t capa)
   if (capa >= MRB_INT_MAX) {
     mrb_raise(mrb, E_ARGUMENT_ERROR, "string capacity size too big");
   }
-  if (capa < MRB_STR_BUF_MIN_SIZE) {
-    capa = MRB_STR_BUF_MIN_SIZE;
-  }
   s->as.heap.len = 0;
   s->as.heap.aux.capa = (mrb_int)capa;
   s->as.heap.ptr = (char *)mrb_malloc(mrb, capa+1);
@@ -119,6 +112,19 @@ mrb_str_buf_new(mrb_state *mrb, size_t capa)
   return mrb_obj_value(s);
 }
 
+#ifndef MRB_STR_BUF_MIN_SIZE
+# define MRB_STR_BUF_MIN_SIZE 128
+#endif
+
+MRB_API mrb_value
+mrb_str_buf_new(mrb_state *mrb, size_t capa)
+{
+  if (capa < MRB_STR_BUF_MIN_SIZE) {
+    capa = MRB_STR_BUF_MIN_SIZE;
+  }
+  return mrb_str_new_capa(mrb, capa);
+}
+
 static void
 resize_capa(mrb_state *mrb, struct RString *s, size_t capacity)
 {