kc3-lang/libbsd/include/bsd/sys/cdefs.h

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• Hash : e1f2a6f8
  Author :
  Date : 2011-05-25T21:27:58
  

  Add new __packed, __aligned and __nonnull attributes

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• include/bsd/sys/cdefs.h

• /*
   * Copyright © 2004-2006, 2009-2011 Guillem Jover
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
   * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
   * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef LIBBSD_CDEFS_H
  #define LIBBSD_CDEFS_H
  
  #ifdef LIBBSD_OVERLAY
  #include_next <sys/cdefs.h>
  #else
  #include <sys/cdefs.h>
  #endif
  
  /*
   * Some kFreeBSD headers expect those macros to be set for sanity checks.
   */
  #ifndef _SYS_CDEFS_H_
  #define _SYS_CDEFS_H_
  #endif
  #ifndef _SYS_CDEFS_H
  #define _SYS_CDEFS_H
  #endif
  
  #ifdef __GNUC__
  #define LIBBSD_GCC_VERSION (__GNUC__ << 8 | __GNUC_MINOR__)
  #else
  #define LIBBSD_GCC_VERSION 0
  #endif
  
  #ifndef __dead2
  # if LIBBSD_GCC_VERSION >= 0x0207
  #  define __dead2 __attribute__((__noreturn__))
  # else
  #  define __dead2
  # endif
  #endif
  
  #ifndef __pure2
  # if LIBBSD_GCC_VERSION >= 0x0207
  #  define __pure2 __attribute__((__const__))
  # else
  #  define __pure2
  # endif
  #endif
  
  #ifndef __packed
  # if LIBBSD_GCC_VERSION >= 0x0207
  #  define __packed __attribute__((__packed__))
  # else
  #  define __packed
  # endif
  #endif
  
  #ifndef __aligned
  # if LIBBSD_GCC_VERSION >= 0x0207
  #  define __aligned(x) __attribute__((__aligned__(x)))
  # else
  #  define __aligned(x)
  # endif
  #endif
  
  /* Linux headers define a struct with a member names __unused.
   * Debian bugs: #522773 (linux), #522774 (libc).
   * Disable for now. */
  #if 0
  #ifndef __unused
  # if LIBBSD_GCC_VERSION >= 0x0300
  #  define __unused __attribute__((unused))
  # else
  #  define __unused
  # endif
  #endif
  #endif
  
  #ifndef __printflike
  # if LIBBSD_GCC_VERSION >= 0x0300
  #  define __printflike(x, y) __attribute((format(printf, (x), (y))))
  # else
  #  define __printflike(x, y)
  # endif
  #endif
  
  #ifndef __nonnull
  # if LIBBSD_GCC_VERSION >= 0x0302
  #  define __nonnull(x) __attribute__((__nonnull__(x)))
  # else
  #  define __nonnull(x)
  # endif
  #endif
  
  #ifndef __bounded__
  # define __bounded__(x, y, z)
  #endif
  
  #ifndef __RCSID
  # define __RCSID(x)
  #endif
  
  #ifndef __FBSDID
  # define __FBSDID(x)
  #endif
  
  #ifndef __RCSID
  # define __RCSID(x)
  #endif
  
  #ifndef __RCSID_SOURCE
  # define __RCSID_SOURCE(x)
  #endif
  
  #ifndef __SCCSID
  # define __SCCSID(x)
  #endif
  
  #ifndef __COPYRIGHT
  # define __COPYRIGHT(x)
  #endif
  
  #endif
  

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