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 "log.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();

  ilog(LOG_TYPE_IRCD, "Out of memory: restarting server...");
  server_die("Out of Memory", SERVER_RESTART);
}
Revision:	6357
Committed:	Mon Aug 17 16:38:13 2015 UTC (10 years ago) by michael
Content type:	text/x-csrc
File size:	2182 byte(s)
Log Message:	- Make server_die() use enum; minor cleanups here and there
#	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	michael	1309	#include "log.h"
32	adx	30	#include "restart.h"
33
34
35			/*
36	michael	3504	* MyCalloc - allocate memory, call outofmemory on failure
37	adx	30	*/
38			void *
39	michael	3504	MyCalloc(size_t size)
40	adx	30	{
41			void *ret = calloc(1, size);
42
43			if (ret == NULL)
44			outofmemory();
45	michael	1011
46			return ret;
47	adx	30	}
48
49			/*
50			* MyRealloc - reallocate memory, call outofmemory on failure
51			*/
52			void *
53			MyRealloc(void *x, size_t y)
54			{
55			void *ret = realloc(x, y);
56
57	michael	4473	if (y && ret == NULL)
58	adx	30	outofmemory();
59	michael	1011
60			return ret;
61	adx	30	}
62
63			void
64			MyFree(void *x)
65			{
66	michael	5425	free(x);
67	adx	30	}
68
69	michael	1646	void *
70			xstrdup(const char *s)
71	adx	30	{
72	michael	1646	void *ret = malloc(strlen(s) + 1);
73
74			if (ret == NULL)
75			outofmemory();
76
77			strcpy(ret, s);
78
79			return ret;
80	adx	30	}
81
82	michael	1646	void *
83			xstrndup(const char *s, size_t len)
84			{
85			void *ret = malloc(len + 1);
86
87			if (ret == NULL)
88			outofmemory();
89
90			strlcpy(ret, s, len + 1);
91
92			return ret;
93			}
94
95	adx	30	/* outofmemory()
96			*
97			* input - NONE
98			* output - NONE
99			* side effects - simply try to report there is a problem.
100			* Abort if it was called more than once
101			*/
102			void
103			outofmemory(void)
104			{
105			static int was_here = 0;
106
107	michael	1011	if (was_here++)
108	adx	30	abort();
109
110	michael	1247	ilog(LOG_TYPE_IRCD, "Out of memory: restarting server...");
111	michael	6357	server_die("Out of Memory", SERVER_RESTART);
112	adx	30	}