xmalloc.h

   1 /* xmalloc.h -- defines for the `x' memory allocation functions */
   2
   3 /* Copyright (C) 2001-2009 Free Software Foundation, Inc.
   4
   5    This file is part of GNU Bash, the Bourne Again SHell.
   6
   7    Bash is free software: you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation, either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    Bash is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with Bash.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #if !defined (_XMALLOC_H_)
  22 #define _XMALLOC_H_
  23
  24 #include "stdc.h"
  25 #include "bashansi.h"
  26
  27 /* Generic pointer type. */
  28 #ifndef PTR_T
  29
  30 #if defined (__STDC__)
  31 #  define PTR_T void *
  32 #else
  33 #  define PTR_T char *
  34 #endif
  35
  36 #endif /* PTR_T */
  37
  38 /* Allocation functions in xmalloc.c */
  39 extern PTR_T xmalloc __P((size_t));
  40 extern PTR_T xrealloc __P((void *, size_t));
  41 extern void xfree __P((void *));
  42
  43 #if defined(USING_BASH_MALLOC) && !defined (DISABLE_MALLOC_WRAPPERS)
  44 extern PTR_T sh_xmalloc __P((size_t, const char *, int));
  45 extern PTR_T sh_xrealloc __P((void *, size_t, const char *, int));
  46 extern void sh_xfree __P((void *, const char *, int));
  47
  48 #define xmalloc(x)      sh_xmalloc((x), __FILE__, __LINE__)
  49 #define xrealloc(x, n)  sh_xrealloc((x), (n), __FILE__, __LINE__)
  50 #define xfree(x)        sh_xfree((x), __FILE__, __LINE__)
  51
  52 #ifdef free
  53 #undef free
  54 #endif
  55 #define free(x)         sh_xfree((x), __FILE__, __LINE__)
  56 #endif  /* USING_BASH_MALLOC */
  57
  58 #endif  /* _XMALLOC_H_ */