Snappy/snappy-stubs-public.h

// Copyright 2011 Google Inc. All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * 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.
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// 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
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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//
// Various type stubs for the open-source version of Snappy.
//
// This file cannot include config.h, as it is included from snappy.h,
// which is a public header. Instead, snappy-stubs-public.h is generated by
// from snappy-stubs-public.h.in at configure time.

#ifndef THIRD_PARTY_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_
#define THIRD_PARTY_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_

#include <cstddef>

// Original cmake configure baked HAVE_SYS_UIO_H=1 on the Linux host that
// pre-generated this header; gate it on _WIN32 so cross-compiles to Windows
// fall back to the iovec definition below.
#if !defined(_WIN32)  // HAVE_SYS_UIO_H
#include <sys/uio.h>
#endif  // HAVE_SYS_UIO_H

#define SNAPPY_MAJOR 1
#define SNAPPY_MINOR 2
#define SNAPPY_PATCHLEVEL 2
#define SNAPPY_VERSION \
    ((SNAPPY_MAJOR << 16) | (SNAPPY_MINOR << 8) | SNAPPY_PATCHLEVEL)

namespace snappy {

#if defined(_WIN32)  // !HAVE_SYS_UIO_H
// Windows does not have an iovec type, yet the concept is universally useful.
// It is simple to define it ourselves, so we put it inside our own namespace.
struct iovec {
  void* iov_base;
  size_t iov_len;
};
#endif  // !HAVE_SYS_UIO_H

}  // namespace snappy

#endif  // THIRD_PARTY_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_