added pooled memory allocator taking code from tre for tre porting

qse/include/qse/cmn/Makefile.am

@@ -16,6 +16,7 @@ pkginclude_HEADERS = \
 	oht.h \
 	opt.h \
 	pio.h \
+	pma.h \
 	rbt.h \
 	rex.h \
 	sio.h \

qse/include/qse/cmn/Makefile.in

@@ -51,9 +51,9 @@ CONFIG_CLEAN_VPATH_FILES =
 SOURCES =
 DIST_SOURCES =
 am__pkginclude_HEADERS_DIST = alg.h chr.h dll.h fio.h fma.h gdl.h \
-	htb.h lda.h main.h map.h mem.h misc.h oht.h opt.h pio.h rbt.h \
-	rex.h sio.h sll.h stdio.h str.h time.h tio.h xma.h Mmgr.hpp \
-	StdMmgr.hpp Mmged.hpp
+	htb.h lda.h main.h map.h mem.h misc.h oht.h opt.h pio.h pma.h \
+	rbt.h rex.h sio.h sll.h stdio.h str.h time.h tio.h xma.h \
+	Mmgr.hpp StdMmgr.hpp Mmged.hpp
 am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
 am__vpath_adj = case $$p in \
     $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
@@ -219,8 +219,8 @@ top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 pkginclude_HEADERS = alg.h chr.h dll.h fio.h fma.h gdl.h htb.h lda.h \
-	main.h map.h mem.h misc.h oht.h opt.h pio.h rbt.h rex.h sio.h \
-	sll.h stdio.h str.h time.h tio.h xma.h $(am__append_1)
+	main.h map.h mem.h misc.h oht.h opt.h pio.h pma.h rbt.h rex.h \
+	sio.h sll.h stdio.h str.h time.h tio.h xma.h $(am__append_1)
 all: all-am
 
 .SUFFIXES:

qse/include/qse/cmn/pma.h

@@ -0,0 +1,100 @@
+/*
+ * $Id$
+ *
+    Copyright 2006-2011 Chung, Hyung-Hwan.
+    This file is part of QSE.
+
+    QSE is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as
+    published by the Free Software Foundation, either version 3 of
+    the License, or (at your option) any later version.
+
+    QSE is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with QSE. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ tre-mem.h - TRE memory allocator interface
+
+ This software is released under a BSD-style license.
+ See the file LICENSE for details and copyright.
+
+ */
+
+#ifndef _QSE_CMN_PMA_H_
+#define _QSE_CMN_PMA_H_
+
+#include <qse/types.h>
+#include <qse/macros.h>
+
+#define QSE_PMA_BLOCK_SIZE 1024
+
+typedef struct qse_pma_blk_t qse_pma_blk_t;
+
+struct qse_pma_blk_t
+{
+	void *data;
+	qse_pma_blk_t* next;
+};
+
+typedef struct qse_pma_t qse_pma_t;
+
+struct qse_pma_t
+{
+	QSE_DEFINE_COMMON_FIELDS (pma)
+
+	qse_pma_blk_t* blocks;
+	qse_pma_blk_t* current;
+
+	char *ptr;
+	qse_size_t n;
+	int failed;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+QSE_DEFINE_COMMON_FUNCTIONS (pma)
+
+qse_pma_t* qse_pma_open (
+	qse_mmgr_t* mmgr,    /**< memory manager */
+	qse_size_t  xtnsize  /**< extension size in bytes */
+);
+
+void qse_pma_close (
+	qse_pma_t* pma /**< memory allocator */
+);
+
+qse_pma_t* qse_pma_init (
+	qse_pma_t*  pma,     /**< memory allocator */
+	qse_mmgr_t* mmgr     /**< memory manager */
+);
+
+void qse_pma_fini (
+	qse_pma_t* pma /**< memory allocator */
+);
+
+
+void* qse_pma_alloc (
+	qse_pma_t* pma,
+	qse_size_t size
+);	
+
+void* qse_pma_realloc (
+	qse_pma_t* pma,  /**< memory allocator */
+	void*      blk,  /**< memory block */
+	qse_size_t size  /**< new size in bytes */
+);
+
+void qse_pma_free (
+	qse_pma_t* pma, /**< memory allocator */
+	void*      blk  /**< memory block */
+);
+
+#endif