wireshark/libpcap/pcap/pcap-inttypes.h

/*
 * Copyright (c) 2002 - 2005 NetGroup, Politecnico di Torino (Italy)
 * Copyright (c) 2005 - 2009 CACE Technologies, Inc. Davis (California)
 * All rights reserved.
 *
 * 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. Neither the name of the Politecnico di Torino nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 COPYRIGHT
 * OWNER OR CONTRIBUTORS 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 pcap_pcap_inttypes_h
#define pcap_pcap_inttypes_h

/*
 * If we're compiling with Visual Studio, make sure the C99 integer
 * types are defined, by hook or by crook.
 *
 * XXX - verify that we have at least C99 support on UN*Xes?
 *
 * What about MinGW or various DOS toolchains?  We're currently assuming
 * sufficient C99 support there.
 */
#if defined(_MSC_VER)
  /*
   * Compiler is MSVC.
   */
  #if _MSC_VER >= 1800
    /*
     * VS 2013 or newer; we have <inttypes.h>.
     */
    #include <inttypes.h>
  #else
    /*
     * Earlier VS; we have to define this stuff ourselves.
     * We don't support building libpcap with earlier versions of VS,
     * but SDKs for Npcap have to support building applications using
     * earlier versions of VS, so we work around this by defining
     * those types ourselves, as some files use them.
     */
    typedef unsigned char uint8_t;
    typedef signed char int8_t;
    typedef unsigned short uint16_t;
    typedef signed short int16_t;
    typedef unsigned int uint32_t;
    typedef signed int int32_t;
    #ifdef _MSC_EXTENSIONS
      typedef unsigned _int64 uint64_t;
      typedef _int64 int64_t;
    #else /* _MSC_EXTENSIONS */
      typedef unsigned long long uint64_t;
      typedef long long int64_t;
    #endif
  #endif
#else /* defined(_MSC_VER) */
  /*
   * Not Visual Studio.
   * Include <inttypes.h> to get the integer types and PRI[doux]64 values
   * defined.
   *
   * If the compiler is MinGW, we assume we have <inttypes.h> - and
   * support for %zu in the formatted printing functions.
   *
   * If the target is UN*X, we assume we have a C99-or-later development
   * environment, and thus have <inttypes.h> - and support for %zu in
   * the formatted printing functions.
   *
   * If the target is MS-DOS, we assume we have <inttypes.h> - and support
   * for %zu in the formatted printing functions.
   *
   * I.e., assume we have <inttypes.h> and that it suffices.
   */

  /*
   * XXX - somehow make sure we have enough C99 support with other
   * compilers and support libraries?
   */

  #include <inttypes.h>
#endif /* defined(_MSC_VER) */

#endif /* pcap/pcap-inttypes.h */