0270cf13ac
Changes how flexible array members are defined so clang does not error out during compilation.
118 lines
2.9 KiB
C
118 lines
2.9 KiB
C
/*
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* os.h
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*
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* Sleazy OS-specific defines.
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*
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* Copyright (c) 2000 Dug Song <dugsong@monkey.org>
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*
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* $Id: os.h,v 1.10 2004/05/04 03:19:42 dugsong Exp $
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*/
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#ifndef DNET_OS_H
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#define DNET_OS_H
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#ifdef _WIN32
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# include <windows.h>
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# include <winsock2.h>
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# include <stdint.h>
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/* XXX */
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# undef IP_OPT_LSRR
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# undef IP_OPT_TS
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# undef IP_OPT_RR
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# undef IP_OPT_SSRR
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#else
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# include <sys/param.h>
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# include <sys/types.h>
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# include <sys/socket.h>
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# include <netinet/in.h>
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# include <arpa/inet.h>
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# include <netdb.h>
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# ifdef __bsdi__
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# include <machine/types.h>
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typedef u_int8_t uint8_t;
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typedef u_int16_t uint16_t;
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typedef u_int32_t uint32_t;
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typedef u_int64_t uint64_t;
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# else
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# include <inttypes.h>
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# endif
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#endif
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#define DNET_LIL_ENDIAN 1234
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#define DNET_BIG_ENDIAN 4321
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/* BSD and IRIX */
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#ifdef BYTE_ORDER
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#if BYTE_ORDER == LITTLE_ENDIAN
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# define DNET_BYTESEX DNET_LIL_ENDIAN
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#elif BYTE_ORDER == BIG_ENDIAN
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# define DNET_BYTESEX DNET_BIG_ENDIAN
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#endif
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#endif
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/* Linux */
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#ifdef __BYTE_ORDER
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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# define DNET_BYTESEX DNET_LIL_ENDIAN
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#elif __BYTE_ORDER == __BIG_ENDIAN
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# define DNET_BYTESEX DNET_BIG_ENDIAN
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#endif
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#endif
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/* Solaris */
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#if defined(_BIT_FIELDS_LTOH)
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# define DNET_BYTESEX DNET_LIL_ENDIAN
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#elif defined (_BIT_FIELDS_HTOL)
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# define DNET_BYTESEX DNET_BIG_ENDIAN
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#endif
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/* Nastiness from old BIND code. */
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#ifndef DNET_BYTESEX
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# if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
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defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
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defined(__alpha__) || defined(__alpha)
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# define DNET_BYTESEX DNET_LIL_ENDIAN
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# elif defined(sel) || defined(pyr) || defined(mc68000) || defined(sparc) || \
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defined(is68k) || defined(tahoe) || defined(ibm032) || defined(ibm370) || \
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defined(MIPSEB) || defined(_MIPSEB) || defined(_IBMR2) || defined(DGUX) ||\
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defined(apollo) || defined(__convex__) || defined(_CRAY) || \
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defined(__hppa) || defined(__hp9000) || \
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defined(__hp9000s300) || defined(__hp9000s700) || defined(__ia64) || \
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defined (BIT_ZERO_ON_LEFT) || defined(m68k)
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# define DNET_BYTESEX DNET_BIG_ENDIAN
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# else
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# error "bytesex unknown"
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# endif
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#endif
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/* C++ support. */
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#undef __BEGIN_DECLS
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#undef __END_DECLS
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#ifdef __cplusplus
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# define __BEGIN_DECLS extern "C" {
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# define __END_DECLS } /* extern "C" */
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#else
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# define __BEGIN_DECLS
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# define __END_DECLS
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#endif
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/* Support for flexible arrays. */
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#undef __flexarr
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#if !defined(__clang__) && defined(__GNUC__) && \
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((__GNUC__ > 2) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97))
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/* GCC 2.97 supports C99 flexible array members. */
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# define __flexarr []
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#else
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# ifdef __GNUC__
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# define __flexarr [0]
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# else
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# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
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# define __flexarr []
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# else
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/* Some other non-C99 compiler. Approximate with [1]. */
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# define __flexarr [1]
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# endif
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# endif
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#endif
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#endif /* DNET_OS_H */
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