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/* -*- Mode: C -*- */
/* mem.c --- memory management routines
* Copyright (C) 2002 Gary V. Vaughan
* Originally by Paolo Bonzini, 2002
* This file is part of Snprintfv
*
* Snprintfv 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.
*
* Snprintfv 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.
*
* As a special exception to the GNU General Public License, if you
* distribute this file as part of a program that also links with and
* uses the libopts library from AutoGen, you may include it under
* the same distribution terms used by the libopts library.
*/
/* Code: */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_DMALLOC
# include <dmalloc.h>
#endif
#include "mem.h"
/* We deliberately don't prototype the malloc functions; they are cast
to match the function pointers we expose to avoid compiler warnings
from mismatched prototypes (if we find a host implementation.
Not also that if this file is compiled -DWITH_DMALLOC, the inclusion
in mem.h will cause the malloc references below to be redirected
correctly. */
malloc_proc_t* snv_malloc = (malloc_proc_t*)malloc;
realloc_proc_t* snv_realloc = (realloc_proc_t*)realloc;
free_proc_t* snv_free = (free_proc_t*)free;
/* Unportable memory management functions are reimplemented tout court. */
snv_pointer
snv_xrealloc (snv_pointer old, size_t count)
{
if (count < 1)
{
snv_free (old);
return NULL;
}
if (!old)
return snv_malloc (count);
else
return snv_realloc (old, count);
}
char *
snv_strdup (const char *str)
{
size_t len = strlen (str);
char *result = snv_malloc (len + 1);
memcpy (result, str, len + 1);
return result;
}
/*
* Local Variables:
* mode: C
* c-file-style: "gnu"
* indent-tabs-mode: nil
* End:
* end of snprintfv/mem.c */
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