external/bsd/openldap/dist/include/ac/alloca.h

   1 /* Generic alloca.h */
   2 /* $OpenLDAP: pkg/ldap/include/ac/alloca.h,v 1.18.2.3 2008/02/11 23:26:40 kurt Exp $ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2008 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #ifndef _AC_ALLOCA_H
  18 #define _AC_ALLOCA_H
  19
  20 /*
  21  * use of alloca is disallowed as it is machine dependent
  22  */
  23 #error  "alloca() not supported, use malloc()"
  24
  25 /* AIX requires this to be the first thing in the file.  */
  26 #ifdef __GNUC__
  27 # define alloca __builtin_alloca
  28 #else
  29 # ifdef HAVE_ALLOCA_H
  30 #  include <alloca.h>
  31 # else
  32 #  ifdef _AIX
  33 #pragma alloca
  34 #  else
  35 #   ifndef alloca /* predefined by HP cc +Olibcalls */
  36 extern char *(alloca)();
  37 #   endif
  38 #  endif
  39 # endif
  40 #endif
  41
  42
  43 #endif /* _AC_ALLOCA_H */