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#ifndef __ivl_alloc_H
#define __ivl_alloc_H
/*
* Copyright (C) 2010 Cary R. (cygcary@yahoo.com)
*
* 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.
*/
#ifdef __cplusplus
# include <cstdlib>
# include <cstdio>
#else
# include <stdlib.h>
# include <stdio.h>
#endif
/*
* Define a safer version of malloc().
*/
#define malloc(__ivl_size) \
({ \
/* To be safe we only evaluate the argument once. */ \
size_t __ivl_lsize = __ivl_size; \
void *__ivl_rtn = malloc(__ivl_lsize); \
/* If we run out of memory then exit with a message. */ \
if ((__ivl_rtn == NULL) && (__ivl_lsize != 0)) { \
fprintf(stderr, "%s:%d: Error: malloc() ran out of memory.\n", \
__FILE__, __LINE__); \
exit(1); \
} \
__ivl_rtn; \
})
/*
* Define a safer version of realloc().
*/
#define realloc(__ivl_ptr, __ivl_size) \
({ \
/* To be safe we only evaluate the arguments once. */ \
void *__ivl_lptr = __ivl_ptr; \
size_t __ivl_lsize = __ivl_size; \
void *__ivl_rtn = realloc(__ivl_lptr, __ivl_lsize); \
/* If we run out of memory then exit with a message. */ \
if ((__ivl_rtn == NULL) && (__ivl_lsize != 0)) { \
fprintf(stderr, "%s:%d: Error: realloc() ran out of memory.\n", \
__FILE__, __LINE__); \
free(__ivl_lptr); \
exit(1); \
} \
__ivl_rtn; \
})
/*
* Define a safer version of calloc().
*/
#define calloc(__ivl_count, __ivl_size) \
({ \
/* To be safe we only evaluate the arguments once. */ \
size_t __ivl_lcount = __ivl_count; \
size_t __ivl_lsize = __ivl_size; \
void *__ivl_rtn = calloc(__ivl_lcount, __ivl_lsize); \
/* If we run out of memory then exit with a message. */ \
if ((__ivl_rtn == NULL) && (__ivl_lcount != 0) && (__ivl_lsize != 0)) { \
fprintf(stderr, "%s:%d: Error: calloc() ran out of memory.\n", \
__FILE__, __LINE__); \
exit(1); \
} \
__ivl_rtn; \
})
#endif
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