382 lines
11 KiB
C
382 lines
11 KiB
C
/*
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* Wine porting definitions
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*
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* Copyright 1996 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __WINE_WINE_PORT_H
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#define __WINE_WINE_PORT_H
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#ifndef __WINE_CONFIG_H
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# error You must include config.h to use this header
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#endif
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#define _GNU_SOURCE /* for pread/pwrite */
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_DIRECT_H
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# include <direct.h>
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#endif
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#ifdef HAVE_IO_H
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# include <io.h>
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#endif
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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/****************************************************************
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* Type definitions
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*/
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#ifndef HAVE_MODE_T
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typedef int mode_t;
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#endif
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#ifndef HAVE_OFF_T
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typedef long off_t;
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#endif
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#ifndef HAVE_PID_T
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typedef int pid_t;
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#endif
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#ifndef HAVE_SIZE_T
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typedef unsigned int size_t;
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#endif
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#ifndef HAVE_SSIZE_T
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typedef int ssize_t;
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#endif
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#if !defined(HAVE_GETNETBYADDR) && !defined(HAVE_GETNETBYNAME)
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struct netent {
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char *n_name;
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char **n_aliases;
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int n_addrtype;
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unsigned long n_net;
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};
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#endif /* !defined(HAVE_GETNETBYADDR) && !defined(HAVE_GETNETBYNAME) */
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#if !defined(HAVE_GETPROTOBYNAME) && !defined(HAVE_GETPROTOBYNUMBER)
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struct protoent {
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char *p_name;
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char **p_aliases;
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int p_proto;
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};
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#endif /* !defined(HAVE_GETPROTOBYNAME) && !defined(HAVE_GETPROTOBYNUMBER) */
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#ifndef HAVE_STATFS
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# ifdef __BEOS__
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# define STATFS_HAS_BFREE
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struct statfs {
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long f_bsize; /* block_size */
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long f_blocks; /* total_blocks */
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long f_bfree; /* free_blocks */
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};
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# else /* defined(__BEOS__) */
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struct statfs;
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# endif /* defined(__BEOS__) */
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#endif /* !defined(HAVE_STATFS) */
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/****************************************************************
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* Macro definitions
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*/
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#ifdef HAVE_DLFCN_H
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#include <dlfcn.h>
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#else
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#define RTLD_LAZY 0x001
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#define RTLD_NOW 0x002
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#define RTLD_GLOBAL 0x100
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#endif
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#if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
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#define ftruncate chsize
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#endif
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#if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
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#define popen _popen
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#endif
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#if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE)
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#define pclose _pclose
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#endif
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#if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
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#define snprintf _snprintf
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#endif
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#ifndef S_ISLNK
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# define S_ISLNK(mod) (0)
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#endif /* S_ISLNK */
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/* So we open files in 64 bit access mode on Linux */
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#ifndef O_LARGEFILE
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# define O_LARGEFILE 0
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#endif
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/* Macros to define assembler functions somewhat portably */
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#ifdef NEED_UNDERSCORE_PREFIX
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# define __ASM_NAME(name) "_" name
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#else
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# define __ASM_NAME(name) name
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#endif
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#ifdef NEED_TYPE_IN_DEF
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# define __ASM_FUNC(name) ".def " __ASM_NAME(name) "; .scl 2; .type 32; .endef"
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#else
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# define __ASM_FUNC(name) ".type " __ASM_NAME(name) ",@function"
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#endif
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#ifdef __GNUC__
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# define __ASM_GLOBAL_FUNC(name,code) \
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__asm__( ".align 4\n\t" \
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".globl " __ASM_NAME(#name) "\n\t" \
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__ASM_FUNC(#name) "\n" \
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__ASM_NAME(#name) ":\n\t" \
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code );
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#else /* __GNUC__ */
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# define __ASM_GLOBAL_FUNC(name,code) \
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void __asm_dummy_##name(void) { \
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asm( ".align 4\n\t" \
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".globl " __ASM_NAME(#name) "\n\t" \
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__ASM_FUNC(#name) "\n" \
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__ASM_NAME(#name) ":\n\t" \
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code ); \
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}
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#endif /* __GNUC__ */
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/* Macros to access unaligned or wrong-endian WORDs and DWORDs. */
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#define PUT_WORD(ptr, w) (*(WORD *)(ptr) = (w))
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#define GET_WORD(ptr) (*(WORD *)(ptr))
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#define PUT_DWORD(ptr, d) (*(DWORD *)(ptr) = (d))
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#define GET_DWORD(ptr) (*(DWORD *)(ptr))
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#define PUT_LE_WORD(ptr, w) \
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do { ((BYTE *)(ptr))[0] = LOBYTE(w); \
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((BYTE *)(ptr))[1] = HIBYTE(w); } while (0)
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#define GET_LE_WORD(ptr) \
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MAKEWORD( ((BYTE *)(ptr))[0], \
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((BYTE *)(ptr))[1] )
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#define PUT_LE_DWORD(ptr, d) \
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do { PUT_LE_WORD(&((WORD *)(ptr))[0], LOWORD(d)); \
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PUT_LE_WORD(&((WORD *)(ptr))[1], HIWORD(d)); } while (0)
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#define GET_LE_DWORD(ptr) \
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((DWORD)MAKELONG( GET_LE_WORD(&((WORD *)(ptr))[0]), \
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GET_LE_WORD(&((WORD *)(ptr))[1]) ))
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#define PUT_BE_WORD(ptr, w) \
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do { ((BYTE *)(ptr))[1] = LOBYTE(w); \
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((BYTE *)(ptr))[0] = HIBYTE(w); } while (0)
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#define GET_BE_WORD(ptr) \
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MAKEWORD( ((BYTE *)(ptr))[1], \
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((BYTE *)(ptr))[0] )
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#define PUT_BE_DWORD(ptr, d) \
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do { PUT_BE_WORD(&((WORD *)(ptr))[1], LOWORD(d)); \
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PUT_BE_WORD(&((WORD *)(ptr))[0], HIWORD(d)); } while (0)
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#define GET_BE_DWORD(ptr) \
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((DWORD)MAKELONG( GET_BE_WORD(&((WORD *)(ptr))[1]), \
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GET_BE_WORD(&((WORD *)(ptr))[0]) ))
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#if defined(ALLOW_UNALIGNED_ACCESS)
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#define PUT_UA_WORD(ptr, w) PUT_WORD(ptr, w)
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#define GET_UA_WORD(ptr) GET_WORD(ptr)
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#define PUT_UA_DWORD(ptr, d) PUT_DWORD(ptr, d)
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#define GET_UA_DWORD(ptr) GET_DWORD(ptr)
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#elif defined(WORDS_BIGENDIAN)
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#define PUT_UA_WORD(ptr, w) PUT_BE_WORD(ptr, w)
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#define GET_UA_WORD(ptr) GET_BE_WORD(ptr)
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#define PUT_UA_DWORD(ptr, d) PUT_BE_DWORD(ptr, d)
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#define GET_UA_DWORD(ptr) GET_BE_DWORD(ptr)
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#else
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#define PUT_UA_WORD(ptr, w) PUT_LE_WORD(ptr, w)
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#define GET_UA_WORD(ptr) GET_LE_WORD(ptr)
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#define PUT_UA_DWORD(ptr, d) PUT_LE_DWORD(ptr, d)
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#define GET_UA_DWORD(ptr) GET_LE_DWORD(ptr)
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#endif
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/****************************************************************
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* Function definitions (only when using libwine)
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*/
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#ifndef NO_LIBWINE
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#if !defined(HAVE_CLONE) && defined(linux)
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int clone(int (*fn)(void *arg), void *stack, int flags, void *arg);
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#endif /* !defined(HAVE_CLONE) && defined(linux) */
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#ifndef HAVE_GETNETBYADDR
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struct netent *getnetbyaddr(unsigned long net, int type);
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#endif /* defined(HAVE_GETNETBYNAME) */
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#ifndef HAVE_GETNETBYNAME
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struct netent *getnetbyname(const char *name);
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#endif /* defined(HAVE_GETNETBYNAME) */
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#ifndef HAVE_GETPAGESIZE
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size_t getpagesize(void);
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#endif /* HAVE_GETPAGESIZE */
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#ifndef HAVE_GETPROTOBYNAME
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struct protoent *getprotobyname(const char *name);
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#endif /* !defined(HAVE_GETPROTOBYNAME) */
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#ifndef HAVE_GETPROTOBYNUMBER
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struct protoent *getprotobynumber(int proto);
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#endif /* !defined(HAVE_GETPROTOBYNUMBER) */
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#ifndef HAVE_GETSERVBYPORT
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struct servent *getservbyport(int port, const char *proto);
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#endif /* !defined(HAVE_GETSERVBYPORT) */
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#ifndef HAVE_GETSOCKOPT
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int getsockopt(int socket, int level, int option_name, void *option_value, size_t *option_len);
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#endif /* !defined(HAVE_GETSOCKOPT) */
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#ifndef HAVE_INET_NETWORK
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unsigned long inet_network(const char *cp);
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#endif /* !defined(HAVE_INET_NETWORK) */
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#ifndef HAVE_LSTAT
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int lstat(const char *file_name, struct stat *buf);
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#endif /* HAVE_LSTAT */
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#ifndef HAVE_MEMMOVE
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void *memmove(void *dest, const void *src, unsigned int len);
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#endif /* !defined(HAVE_MEMMOVE) */
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#ifndef HAVE_PREAD
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ssize_t pread( int fd, void *buf, size_t count, off_t offset );
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#endif /* HAVE_PREAD */
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#ifndef HAVE_PWRITE
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ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
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#endif /* HAVE_PWRITE */
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#ifndef HAVE_STATFS
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int statfs(const char *name, struct statfs *info);
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#endif /* !defined(HAVE_STATFS) */
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#ifndef HAVE_STRNCASECMP
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# ifndef HAVE__STRNICMP
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int strncasecmp(const char *str1, const char *str2, size_t n);
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# else
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# define strncasecmp _strnicmp
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# endif
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#endif /* !defined(HAVE_STRNCASECMP) */
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#ifndef HAVE_STRERROR
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const char *strerror(int err);
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#endif /* !defined(HAVE_STRERROR) */
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#ifndef HAVE_STRCASECMP
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# ifndef HAVE__STRICMP
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int strcasecmp(const char *str1, const char *str2);
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# else
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# define strcasecmp _stricmp
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# endif
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#endif /* !defined(HAVE_STRCASECMP) */
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#ifndef HAVE_USLEEP
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int usleep (unsigned int useconds);
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#endif /* !defined(HAVE_USLEEP) */
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/* Interlocked functions */
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#if defined(__i386__) && defined(__GNUC__)
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inline static long interlocked_cmpxchg( long *dest, long xchg, long compare )
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{
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long ret;
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__asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
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: "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" );
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return ret;
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}
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inline static void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare )
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{
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void *ret;
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__asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
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: "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" );
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return ret;
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}
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inline static long interlocked_xchg( long *dest, long val )
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{
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long ret;
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__asm__ __volatile__( "lock; xchgl %0,(%1)"
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: "=r" (ret) : "r" (dest), "0" (val) : "memory" );
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return ret;
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}
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inline static void *interlocked_xchg_ptr( void **dest, void *val )
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{
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void *ret;
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__asm__ __volatile__( "lock; xchgl %0,(%1)"
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: "=r" (ret) : "r" (dest), "0" (val) : "memory" );
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return ret;
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}
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inline static long interlocked_xchg_add( long *dest, long incr )
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{
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long ret;
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__asm__ __volatile__( "lock; xaddl %0,(%1)"
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: "=r" (ret) : "r" (dest), "0" (incr) : "memory" );
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return ret;
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}
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#else /* __i386___ && __GNUC__ */
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extern long interlocked_cmpxchg( long *dest, long xchg, long compare );
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extern void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
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extern long interlocked_xchg( long *dest, long val );
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extern void *interlocked_xchg_ptr( void **dest, void *val );
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extern long interlocked_xchg_add( long *dest, long incr );
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#endif /* __i386___ && __GNUC__ */
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#else /* NO_LIBWINE */
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#define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable
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#define clone __WINE_NOT_PORTABLE(clone)
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#define getnetbyaddr __WINE_NOT_PORTABLE(getnetbyaddr)
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#define getnetbyname __WINE_NOT_PORTABLE(getnetbyname)
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#define getpagesize __WINE_NOT_PORTABLE(getpagesize)
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#define getprotobyname __WINE_NOT_PORTABLE(getprotobyname)
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#define getprotobynumber __WINE_NOT_PORTABLE(getprotobynumber)
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#define getservbyport __WINE_NOT_PORTABLE(getservbyport)
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#define getsockopt __WINE_NOT_PORTABLE(getsockopt)
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#define inet_network __WINE_NOT_PORTABLE(inet_network)
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#define lstat __WINE_NOT_PORTABLE(lstat)
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#define memmove __WINE_NOT_PORTABLE(memmove)
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#define pread __WINE_NOT_PORTABLE(pread)
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#define pwrite __WINE_NOT_PORTABLE(pwrite)
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#define statfs __WINE_NOT_PORTABLE(statfs)
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#define strcasecmp __WINE_NOT_PORTABLE(strcasecmp)
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#define strerror __WINE_NOT_PORTABLE(strerror)
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#define strncasecmp __WINE_NOT_PORTABLE(strncasecmp)
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#define usleep __WINE_NOT_PORTABLE(usleep)
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#endif /* NO_LIBWINE */
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#endif /* !defined(__WINE_WINE_PORT_H) */
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