trunk/src/memory.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2015 ircd-hybrid development team
 *
 *  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 2 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 *  USA
 */

/*! \file memory.c
 * \brief Memory utilities.
 * \version $Id$
 */

#include "stdinc.h"
#include "ircd_defs.h"
#include "irc_string.h"
#include "memory.h"
#include "restart.h"


/*
 * MyCalloc - allocate memory, call outofmemory on failure
 */
void *
MyCalloc(size_t size)
{
  void *ret = calloc(1, size);

  if (ret == NULL)
    outofmemory();

  return ret;
}

/*
 * MyRealloc - reallocate memory, call outofmemory on failure
 */
void *
MyRealloc(void *x, size_t y)
{
  void *ret = realloc(x, y);

  if (y && ret == NULL)
    outofmemory();

  return ret;
}

void
MyFree(void *x)
{
  free(x);
}

void *
xstrdup(const char *s)
{
  void *ret = malloc(strlen(s) + 1);

  if (ret == NULL)
    outofmemory();

  strcpy(ret, s);

  return ret;
}

void *
xstrndup(const char *s, size_t len)
{
  void *ret = malloc(len + 1);

  if (ret == NULL)
    outofmemory();

  strlcpy(ret, s, len + 1);

  return ret;
}

/* outofmemory()
 *
 * input        - NONE
 * output       - NONE
 * side effects - simply try to report there is a problem.
 *                Abort if it was called more than once
 */
void
outofmemory(void)
{
  static int was_here = 0;

  if (was_here++)
    abort();

  server_die("out of memory", SERVER_RESTART);
}
Revision:	6556
Committed:	Sat Oct 3 17:18:49 2015 UTC (9 years, 10 months ago) by michael
Content type:	text/x-csrc
File size:	2103 byte(s)
Log Message:	- memory.c:outofmemory(): removed redundant logging. server_die() already does the logging
#	User	Rev	Content
1	adx	30	/*
2	michael	2916	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	5347	* Copyright (c) 1997-2015 ircd-hybrid development team
5	adx	30	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18	michael	4565	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	adx	30	* USA
20			*/
21
22	michael	2916	/*! \file memory.c
23			* \brief Memory utilities.
24			* \version $Id$
25			*/
26	adx	30
27			#include "stdinc.h"
28			#include "ircd_defs.h"
29			#include "irc_string.h"
30			#include "memory.h"
31			#include "restart.h"
32
33
34			/*
35	michael	3504	* MyCalloc - allocate memory, call outofmemory on failure
36	adx	30	*/
37			void *
38	michael	3504	MyCalloc(size_t size)
39	adx	30	{
40			void *ret = calloc(1, size);
41
42			if (ret == NULL)
43			outofmemory();
44	michael	1011
45			return ret;
46	adx	30	}
47
48			/*
49			* MyRealloc - reallocate memory, call outofmemory on failure
50			*/
51			void *
52			MyRealloc(void *x, size_t y)
53			{
54			void *ret = realloc(x, y);
55
56	michael	4473	if (y && ret == NULL)
57	adx	30	outofmemory();
58	michael	1011
59			return ret;
60	adx	30	}
61
62			void
63			MyFree(void *x)
64			{
65	michael	5425	free(x);
66	adx	30	}
67
68	michael	1646	void *
69			xstrdup(const char *s)
70	adx	30	{
71	michael	1646	void *ret = malloc(strlen(s) + 1);
72
73			if (ret == NULL)
74			outofmemory();
75
76			strcpy(ret, s);
77
78			return ret;
79	adx	30	}
80
81	michael	1646	void *
82			xstrndup(const char *s, size_t len)
83			{
84			void *ret = malloc(len + 1);
85
86			if (ret == NULL)
87			outofmemory();
88
89			strlcpy(ret, s, len + 1);
90
91			return ret;
92			}
93
94	adx	30	/* outofmemory()
95			*
96			* input - NONE
97			* output - NONE
98			* side effects - simply try to report there is a problem.
99			* Abort if it was called more than once
100			*/
101			void
102			outofmemory(void)
103			{
104			static int was_here = 0;
105
106	michael	1011	if (was_here++)
107	adx	30	abort();
108
109	michael	6556	server_die("out of memory", SERVER_RESTART);
110	adx	30	}