From b6e14c7be34c32090792d66d601f18ed356af342 Mon Sep 17 00:00:00 2001
From: hyung-hwan <hyunghwan.chung@gmail.com>
Date: Tue, 23 Sep 2008 05:21:08 +0000
Subject: [PATCH] added the hint parameter to the sizer function

---
 ase/include/ase/cmn/str.h | 5 +++--
 ase/include/ase/types.h   | 4 ++--
 ase/lib/cmn/str_dyn.c     | 7 ++++---
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/ase/include/ase/cmn/str.h b/ase/include/ase/cmn/str.h
index eee2415c..bdaaf0a1 100644
--- a/ase/include/ase/cmn/str.h
+++ b/ase/include/ase/cmn/str.h
@@ -1,5 +1,5 @@
 /*
- * $Id: str.h 366 2008-09-04 11:15:53Z baconevi $
+ * $Id: str.h 369 2008-09-22 11:21:08Z baconevi $
  *
  * {License}
  */
@@ -237,7 +237,8 @@ ase_sizer_t ase_str_getsizer (
  * DESCRIPTION:
  *  The ase_str_setsizer() function specify a new sizer for a dynamic string.
  *  With no sizer specified, the dynamic string doubles the current buffer
- *  when it needs to increase its size.
+ *  when it needs to increase its size. The sizer function is passed a dynamic
+ *  string and the minimum capacity required to hold data after resizing.
  */
 void ase_str_setsizer (
 	ase_str_t* str    /* a dynamic string */,
diff --git a/ase/include/ase/types.h b/ase/include/ase/types.h
index 742e1e17..0143691b 100644
--- a/ase/include/ase/types.h
+++ b/ase/include/ase/types.h
@@ -1,5 +1,5 @@
 /*
- * $Id: types.h 363 2008-09-04 10:58:08Z baconevi $
+ * $Id: types.h 369 2008-09-22 11:21:08Z baconevi $
  *
  * {License}
  */
@@ -360,6 +360,6 @@ struct ase_ccls_t
  *  The ase_sizer_t is a generic type used by many other modules usually to
  *  get the new size for resizing data structure.
  */
-typedef ase_size_t (*ase_sizer_t) (void* data);
+typedef ase_size_t (*ase_sizer_t) (void* data, ase_size_t hint);
 
 #endif
diff --git a/ase/lib/cmn/str_dyn.c b/ase/lib/cmn/str_dyn.c
index ff28ae3e..cb579498 100644
--- a/ase/lib/cmn/str_dyn.c
+++ b/ase/lib/cmn/str_dyn.c
@@ -1,5 +1,5 @@
 /*
- * $Id: str_dyn.c 363 2008-09-04 10:58:08Z baconevi $
+ * $Id: str_dyn.c 369 2008-09-22 11:21:08Z baconevi $
  *
  * {License}
  */
@@ -210,8 +210,9 @@ ase_size_t ase_str_ncat (ase_str_t* str, const ase_char_t* s, ase_size_t len)
 		}
 		else
 		{
-			/* let the user determine the new capacity */
-			ncapa = str->sizer (str);
+			/* let the user determine the new capacity.
+			 * pass the minimum capacity required as a hint */
+			ncapa = str->sizer (str, str->size + len);
 		}
 
 		if (ase_str_setcapa (str, ncapa) == (ase_size_t)-1)