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/*
* Copyright (C) 1996-2025 The Squid Software Foundation and contributors
*
* Squid software is distributed under GPLv2+ license and includes
* contributions from numerous individuals and organizations.
* Please see the COPYING and CONTRIBUTORS files for details.
*/
#ifndef SQUID_COMPAT_OS_LINUX_H
#define SQUID_COMPAT_OS_LINUX_H
#if _SQUID_LINUX_
/****************************************************************************
*--------------------------------------------------------------------------*
* DO *NOT* MAKE ANY CHANGES below here unless you know what you're doing...*
*--------------------------------------------------------------------------*
****************************************************************************/
#if USE_ASYNC_IO
#define _SQUID_LINUX_THREADS_
#endif
/*
* res_init() is just a macro re-definition of __res_init on Linux (Debian/Ubuntu)
*/
#if !defined(HAVE_RES_INIT) && defined(HAVE___RES_INIT) && !defined(res_init)
#define res_init __res_init
#define HAVE_RES_INIT HAVE___RES_INIT
#endif
/*
* Netfilter header madness. (see Bug 4323)
*
* Netfilter have a history of defining their own versions of network protocol
* primitives without sufficient protection against the POSIX defines which are
* always present in Linux.
*
* netinet/in.h must be included before any other sys header in order to properly
* activate include guards in <linux/libc-compat.h> the kernel maintainers added
* to workaround it.
*/
#if HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
/*
* glob.h is provided by GNU on Linux and contains some unavoidable preprocessor
* logic errors in its 64-bit definitions which are hit by non-GCC compilers.
*
* #if __USE_FILE_OFFSET64 && __GNUC__ < 2
* # define glob glob64
* #endif
* #if !defined __USE_FILE_OFFSET64 || __GNUC__ < 2
* extern "C" glob(...);
* #endif
* extern "C" glob64(...);
*
* ... and multiple "C" definitions of glob64 refuse to compile.
* Because __GNUC__ being undefined equates to 0 and (0 < 2)
*/
#if __USE_FILE_OFFSET64 && __GNUC__ < 2
#if HAVE_GLOB_H
#undef HAVE_GLOB_H
#endif
#if HAVE_GLOB
#undef HAVE_GLOB
#endif
#endif
#endif /* _SQUID_LINUX_ */
#endif /* SQUID_COMPAT_OS_LINUX_H */
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