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malloc.c

00001 /*
00002  * Copyright (c) 2002, 2009 Jens Keiner, Stefan Kunis, Daniel Potts
00003  *
00004  * This program is free software; you can redistribute it and/or modify it under
00005  * the terms of the GNU General Public License as published by the Free Software
00006  * Foundation; either version 2 of the License, or (at your option) any later
00007  * version.
00008  *
00009  * This program is distributed in the hope that it will be useful, but WITHOUT
00010  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00011  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
00012  * details.
00013  *
00014  * You should have received a copy of the GNU General Public License along with
00015  * this program; if not, write to the Free Software Foundation, Inc., 51
00016  * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00017  */
00018 
00019 /* $Id: malloc.c 3169 2009-04-15 14:22:15Z keiner $ */
00020 
00021 #include "nfft3.h"
00022 #include <stdio.h>
00023 #include <stdlib.h>
00024 
00025 nfft_malloc_type_function nfft_malloc_hook = 0;
00026 nfft_free_type_function nfft_free_hook = 0;
00027 nfft_die_type_function nfft_die_hook = 0;
00028 
00029 void *nfft_malloc(size_t n)
00030 {
00031   void *p;
00032 
00033   if (nfft_malloc_hook)
00034     return nfft_malloc_hook(n);
00035 
00036   if (n == 0)
00037     n = 1;
00038 
00039   p = fftw_malloc(n);
00040 
00041   if (!p)
00042   {
00043     fprintf(stderr,"nfft_malloc: n = %d.\n",n);
00044     nfft_die("nfft_malloc: out of memory\n");
00045   }
00046 
00047   return p;
00048 }
00049 
00050 void nfft_free(void *p)
00051 {
00052   if (p)
00053   {
00054     if (nfft_free_hook)
00055     {
00056       nfft_free_hook(p);
00057       return;
00058     }
00059     fftw_free(p);
00060   }
00061 }
00062 
00063 void nfft_die(const char *s)
00064 {
00065   if (nfft_die_hook)
00066     nfft_die_hook(s);
00067 
00068   fflush(stdout);
00069   fprintf(stderr, "nfft: %s", s);
00070   exit(EXIT_FAILURE);
00071 }

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