code.delx.au - pulseaudio/blob - polyp/xmalloc.h

   1 #ifndef foomemoryhfoo
   2 #define foomemoryhfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of polypaudio.
   8
   9   polypaudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   polypaudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with polypaudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #include <sys/types.h>
  26 #include <stdlib.h>
  27 #include <limits.h>
  28 #include <assert.h>
  29
  30 void* pa_xmalloc(size_t l);
  31 void *pa_xmalloc0(size_t l);
  32 void *pa_xrealloc(void *ptr, size_t size);
  33 #define pa_xfree free
  34
  35 char *pa_xstrdup(const char *s);
  36 char *pa_xstrndup(const char *s, size_t l);
  37
  38 void* pa_xmemdup(const void *p, size_t l);
  39
  40 /** Internal helper for pa_xnew() */
  41 static inline void* pa_xnew_internal(unsigned n, size_t k) {
  42     assert(n < INT_MAX/k);
  43     return pa_xmalloc(n*k);
  44 }
  45
  46 /** Allocate n new structures of the specified type. */
  47 #define pa_xnew(type, n) ((type*) pa_xnew_internal((n), sizeof(type)))
  48
  49 /** Internal helper for pa_xnew0() */
  50 static inline void* pa_xnew0_internal(unsigned n, size_t k) {
  51     assert(n < INT_MAX/k);
  52     return pa_xmalloc0(n*k);
  53 }
  54
  55 /** Same as pa_xnew() but set the memory to zero */
  56 #define pa_xnew0(type, n) ((type*) pa_xnew0_internal((n), sizeof(type)))
  57
  58 #endif