hkl/hkl-macros.c

   1 /* This file is part of the hkl library.
   2  *
   3  * The hkl library is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, either version 3 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * The hkl library is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with the hkl library.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  * Copyright (C) 2003-2015 Synchrotron SOLEIL
  17  *                         L'Orme des Merisiers Saint-Aubin
  18  *                         BP 48 91192 GIF-sur-YVETTE CEDEX
  19  *
  20  * Authors: Picca Frédéric-Emmanuel <picca@synchrotron-soleil.fr>
  21  */
  22 #include <execinfo.h>                   // for backtrace, etc
  23 #include <stdio.h>                      // for fprintf, printf, stderr
  24 #include <stdlib.h>                     // for calloc, exit, free
  25
  26 #ifndef _MSC_VER
  27 void hkl_printbt(void)
  28 {
  29         void *array[20];
  30         int size;
  31         char **strings;
  32         int i;
  33
  34         size = backtrace(array, 20);
  35         strings = backtrace_symbols(array, size);
  36
  37         printf("Got a backtrace:\n");
  38         for(i=0; i<size; ++i)
  39                 fprintf(stderr, "#%i %s\n", i, strings[i]);
  40
  41         free(strings);
  42 }
  43 #else
  44 int vasprintf(char **strp, const char *fmt, va_list ap)
  45 {
  46         int len;
  47         char *buffer;
  48
  49         len = vsnprintf(*strp, 0, fmt, ap);
  50         buffer = malloc(len);
  51         vsnprintf(buffer, len-1, fmt, ap);
  52         *strp = buffer;
  53
  54         return len;
  55 }
  56 #endif
  57
  58 void *_hkl_malloc(int size, const char *error)
  59 {
  60         void *tmp;
  61
  62         tmp = calloc(1, size);
  63         if(!tmp){
  64                 fprintf(stderr, "%s", error);
  65                 exit(128);
  66         }
  67
  68         return tmp;
  69 }