remove support for non-ANSI compilation

          --- old/usr/src/head/assert.h
          +++ new/usr/src/head/assert.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  /*      Copyright (c) 1988 AT&T */
  23   23  /*        All Rights Reserved   */
  24   24  
  25      -
  26   25  /*
       26 + * Copyright 2014 Garrett D'Amore <garrett@damore.org>
       27 + *
  27   28   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  28   29   * Use is subject to license terms.
  29   30   */
  30   31  
  31   32  #ifndef _ASSERT_H
  32   33  #define _ASSERT_H
  33   34  
  34      -#pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.6.1.4 */
  35      -
  36   35  #ifdef  __cplusplus
  37   36  extern "C" {
  38   37  #endif
  39   38  
  40      -#if defined(__STDC__)
  41   39  #if __STDC_VERSION__ - 0 >= 199901L
  42   40  extern void __assert_c99(const char *, const char *, int, const char *);
  43   41  #else
  44   42  extern void __assert(const char *, const char *, int);
  45   43  #endif /* __STDC_VERSION__ - 0 >= 199901L */
  46      -#else
  47      -extern void _assert();
  48      -#endif
  49   44  
  50   45  #ifdef  __cplusplus
  51   46  }
  52   47  #endif
  53   48  
  54   49  #endif  /* _ASSERT_H */
  55   50  
  56   51  /*
  57   52   * Note that the ANSI C Standard requires all headers to be idempotent except
  58   53   * <assert.h> which is explicitly required not to be idempotent (section 4.1.2).

  59   54   * Therefore, it is by intent that the header guards (#ifndef _ASSERT_H) do
  60   55   * not span this entire file.

  61   56   */
  62   57  
  63   58  #undef  assert
  64   59  
  65   60  #ifdef  NDEBUG
  66   61  
  67   62  #define assert(EX) ((void)0)
  68   63  
  69   64  #else
  70   65  
  71      -#if defined(__STDC__)
  72   66  #if __STDC_VERSION__ - 0 >= 199901L
  73   67  #define assert(EX) (void)((EX) || \
  74   68          (__assert_c99(#EX, __FILE__, __LINE__, __func__), 0))
  75   69  #else
  76   70  #define assert(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0))
  77   71  #endif /* __STDC_VERSION__ - 0 >= 199901L */
  78      -#else
  79      -#define assert(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0))
  80      -#endif  /* __STDC__ */
  81   72  
  82   73  #endif  /* NDEBUG */
    

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