rxvt-unicode/src/rxvtutil.C

/*----------------------------------------------------------------------*
 * File:        rxvtutil.C
 *----------------------------------------------------------------------*
 *
 * All portions of code are copyright by their respective author/s.
 * Copyright (c) 2004-2006 Marc Lehmann <schmorp@schmorp.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *----------------------------------------------------------------------*/

// we include emman.c here to avoid relying on a C compiler, or
// on the c++ compiler not complaining about .c, which is unlikely,
// but...
// This must be the first include, because the _GNU_SOURCE and
// _XOPEN_SOURCE macros, used by emman.c, must be defined before
// inclusion of any header.
#include "emman.c"

#include <stdlib.h>
#include <string.h>
#include <inttypes.h>

#include "rxvtutil.h"

void *
zero_initialized::operator new (size_t s)
{
  void *p = malloc (s);

  memset (p, 0, s);
  return p;
}

void
zero_initialized::operator delete (void *p, size_t s)
{
  free (p);
}

static void *temp_buf;
static uint32_t temp_len;

void *
rxvt_temp_buf (int len)
{
  if (len > temp_len)
    {
      free (temp_buf);
      temp_buf = malloc (len);
      temp_len = len;
    }

  return temp_buf;
}

Revision:	1.22
Committed:	Wed Nov 12 12:12:02 2014 UTC (9 years, 6 months ago) by sf-exg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rxvt-unicode-rel-9_29, rxvt-unicode-rel-9_26, rxvt-unicode-rel-9_25, rxvt-unicode-rel-9_22, rxvt-unicode-rel-9_21, rxvt-unicode-rel-9_30, HEAD
Changes since 1.21:	+0 -13 lines
Log Message:	Make new/delete compatible with C++11 and change new to use rxvt_malloc.
#	Content
1	/----------------------------------------------------------------------
2	* File: rxvtutil.C
3	----------------------------------------------------------------------
4	*
5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2004-2006 Marc Lehmann <schmorp@schmorp.de>
7	*
8	* This program is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 3 of the License, or
11	* (at your option) any later version.
12	*
13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	----------------------------------------------------------------------/
22
23	// we include emman.c here to avoid relying on a C compiler, or
24	// on the c++ compiler not complaining about .c, which is unlikely,
25	// but...
26	// This must be the first include, because the _GNU_SOURCE and
27	// _XOPEN_SOURCE macros, used by emman.c, must be defined before
28	// inclusion of any header.
29	#include "emman.c"
30
31	#include <stdlib.h>
32	#include <string.h>
33	#include <inttypes.h>
34
35	#include "rxvtutil.h"
36
37	void *
38	zero_initialized::operator new (size_t s)
39	{
40	void *p = malloc (s);
41
42	memset (p, 0, s);
43	return p;
44	}
45
46	void
47	zero_initialized::operator delete (void *p, size_t s)
48	{
49	free (p);
50	}
51
52	static void *temp_buf;
53	static uint32_t temp_len;
54
55	void *
56	rxvt_temp_buf (int len)
57	{
58	if (len > temp_len)
59	{
60	free (temp_buf);
61	temp_buf = malloc (len);
62	temp_len = len;
63	}
64
65	return temp_buf;
66	}
67