remove support for non-ANSI compilation

          --- old/usr/src/head/alloca.h
          +++ new/usr/src/head/alloca.h

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License, Version 1.0 only
   6    6   * (the "License").  You may not use this file except in compliance
   7    7   * with the License.
   8    8   *
   9    9   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10   10   * or http://www.opensolaris.org/os/licensing.
  11   11   * See the License for the specific language governing permissions
  12   12   * and limitations under the License.

  13   13   *
  14   14   * When distributing Covered Code, include this CDDL HEADER in each
  15   15   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16   16   * If applicable, add the following below this CDDL HEADER, with the
  17   17   * fields enclosed by brackets "[]" replaced with your own identifying
  18   18   * information: Portions Copyright [yyyy] [name of copyright owner]
  19   19   *
  20   20   * CDDL HEADER END
  21   21   */
  22   22  /*
       23 + * Copyright 2014 Garrett D'Amore <garrett@damore.org>
       24 + *
  23   25   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24   26   * Use is subject to license terms.
  25   27   */
  26   28  
  27   29  #ifndef _ALLOCA_H
  28   30  #define _ALLOCA_H
  29   31  
  30      -#pragma ident   "%Z%%M% %I%     %E% SMI"
  31      -
  32   32  #include <sys/types.h>
  33   33  
  34   34  #ifdef __cplusplus
  35   35  extern "C" {
  36   36  #endif
  37   37  
  38   38  /*
  39   39   * Many compilation systems depend upon the use of special functions
  40   40   * built into the the compilation system to handle variable argument
  41   41   * lists and stack allocations.  The method to obtain this in SunOS

  42   42   * is to define the feature test macro "__BUILTIN_VA_ARG_INCR" which
  43   43   * enables the following special built-in functions:
  44   44   *      __builtin_alloca
  45   45   *      __builtin_va_alist
  46   46   *      __builtin_va_arg_incr
  47   47   * It is intended that the compilation system define this feature test
  48   48   * macro, not the user of the system.

  49   49   *
  50   50   * The tests on the processor type are to provide a transitional period
  51   51   * for existing compilation systems, and may be removed in a future
  52   52   * release.
  53   53   */
  54   54  
  55   55  #if defined(__BUILTIN_VA_ARG_INCR) || \
  56   56          defined(__sparc) || defined(__i386) || defined(__amd64)
  57   57  #define alloca(x)       __builtin_alloca(x)
  58   58  
  59      -#ifdef  __STDC__
  60   59  extern void *__builtin_alloca(size_t);
  61      -#else
  62      -extern void *__builtin_alloca();
  63      -#endif
  64   60  
  65   61  #else
  66   62  
  67      -#ifdef  __STDC__
  68   63  extern void *alloca(size_t);
  69      -#else
  70      -extern void *alloca();
  71      -#endif
  72   64  
  73   65  #endif  /* defined(__BUILTIN_VA_ARG_INCR) || defined(__sparc) ... */
  74   66  
  75   67  #ifdef __cplusplus
  76   68  }
  77   69  #endif
  78   70  
  79   71  #endif  /* _ALLOCA_H */
    

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