718 lines
20 KiB
C
718 lines
20 KiB
C
/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifndef OS_H
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#define OS_H
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#include "misc.h"
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#include <stdarg.h>
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#include <stdint.h>
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#include <string.h>
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#define SCREEN_SAVER_ON 0
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#define SCREEN_SAVER_OFF 1
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#define SCREEN_SAVER_FORCER 2
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#define SCREEN_SAVER_CYCLE 3
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#ifndef MAX_REQUEST_SIZE
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#define MAX_REQUEST_SIZE 65535
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#endif
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#ifndef MAX_BIG_REQUEST_SIZE
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#define MAX_BIG_REQUEST_SIZE 4194303
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#endif
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typedef struct _FontPathRec *FontPathPtr;
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typedef struct _NewClientRec *NewClientPtr;
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#ifndef xnfalloc
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#define xnfalloc(size) XNFalloc((unsigned long)(size))
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#define xnfcalloc(_num, _size) XNFcallocarray((_num), (_size))
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#define xnfrealloc(ptr, size) XNFrealloc((void *)(ptr), (unsigned long)(size))
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#define xstrdup(s) Xstrdup(s)
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#define xnfstrdup(s) XNFstrdup(s)
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#define xallocarray(num, size) reallocarray(NULL, (num), (size))
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#define xnfallocarray(num, size) XNFreallocarray(NULL, (num), (size))
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#define xnfreallocarray(ptr, num, size) XNFreallocarray((ptr), (num), (size))
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#endif
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#include <stdio.h>
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#include <stdarg.h>
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#ifdef DDXBEFORERESET
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extern void ddxBeforeReset(void);
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#endif
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#ifdef DDXOSVERRORF
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extern _X_EXPORT void (*OsVendorVErrorFProc) (const char *,
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va_list args)
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_X_ATTRIBUTE_PRINTF(1, 0);
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#endif
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extern _X_EXPORT int WaitForSomething(int * /*pClientsReady */
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);
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extern _X_EXPORT int ReadRequestFromClient(ClientPtr /*client */ );
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#if XTRANS_SEND_FDS
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extern _X_EXPORT int ReadFdFromClient(ClientPtr client);
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extern _X_EXPORT int WriteFdToClient(ClientPtr client, int fd, Bool do_close);
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#endif
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extern _X_EXPORT Bool InsertFakeRequest(ClientPtr /*client */ ,
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char * /*data */ ,
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int /*count */ );
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extern _X_EXPORT void ResetCurrentRequest(ClientPtr /*client */ );
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extern _X_EXPORT void FlushAllOutput(void);
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extern _X_EXPORT void FlushIfCriticalOutputPending(void);
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extern _X_EXPORT void SetCriticalOutputPending(void);
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extern _X_EXPORT int WriteToClient(ClientPtr /*who */ , int /*count */ ,
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const void * /*buf */ );
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extern _X_EXPORT void ResetOsBuffers(void);
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extern _X_EXPORT void InitConnectionLimits(void);
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extern _X_EXPORT void NotifyParentProcess(void);
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extern _X_EXPORT void CreateWellKnownSockets(void);
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extern _X_EXPORT void ResetWellKnownSockets(void);
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extern _X_EXPORT void CloseWellKnownConnections(void);
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extern _X_EXPORT XID AuthorizationIDOfClient(ClientPtr /*client */ );
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extern _X_EXPORT const char *ClientAuthorized(ClientPtr /*client */ ,
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unsigned int /*proto_n */ ,
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char * /*auth_proto */ ,
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unsigned int /*string_n */ ,
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char * /*auth_string */ );
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extern _X_EXPORT Bool EstablishNewConnections(ClientPtr clientUnused,
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void *closure);
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extern _X_EXPORT void CheckConnections(void);
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extern _X_EXPORT void CloseDownConnection(ClientPtr /*client */ );
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extern _X_EXPORT void AddGeneralSocket(int /*fd */ );
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extern _X_EXPORT void RemoveGeneralSocket(int /*fd */ );
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extern _X_EXPORT void AddEnabledDevice(int /*fd */ );
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extern _X_EXPORT void RemoveEnabledDevice(int /*fd */ );
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extern _X_EXPORT int OnlyListenToOneClient(ClientPtr /*client */ );
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extern _X_EXPORT void ListenToAllClients(void);
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extern _X_EXPORT void IgnoreClient(ClientPtr /*client */ );
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extern _X_EXPORT void AttendClient(ClientPtr /*client */ );
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extern _X_EXPORT void MakeClientGrabImpervious(ClientPtr /*client */ );
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extern _X_EXPORT void MakeClientGrabPervious(ClientPtr /*client */ );
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extern _X_EXPORT void ListenOnOpenFD(int /* fd */ , int /* noxauth */ );
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extern _X_EXPORT Bool AddClientOnOpenFD(int /* fd */ );
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extern _X_EXPORT CARD32 GetTimeInMillis(void);
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extern _X_EXPORT CARD64 GetTimeInMicros(void);
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extern _X_EXPORT void AdjustWaitForDelay(void *waitTime,
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unsigned long newdelay);
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typedef struct _OsTimerRec *OsTimerPtr;
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typedef CARD32 (*OsTimerCallback) (OsTimerPtr timer,
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CARD32 time,
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void *arg);
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extern _X_EXPORT void TimerInit(void);
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extern _X_EXPORT Bool TimerForce(OsTimerPtr /* timer */ );
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#define TimerAbsolute (1<<0)
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#define TimerForceOld (1<<1)
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extern _X_EXPORT OsTimerPtr TimerSet(OsTimerPtr timer,
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int flags,
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CARD32 millis,
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OsTimerCallback func,
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void *arg);
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extern _X_EXPORT void TimerCheck(void);
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extern _X_EXPORT void TimerCancel(OsTimerPtr /* pTimer */ );
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extern _X_EXPORT void TimerFree(OsTimerPtr /* pTimer */ );
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extern _X_EXPORT void SetScreenSaverTimer(void);
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extern _X_EXPORT void FreeScreenSaverTimer(void);
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extern _X_EXPORT void AutoResetServer(int /*sig */ );
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extern _X_EXPORT void GiveUp(int /*sig */ );
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extern _X_EXPORT void UseMsg(void);
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extern _X_EXPORT void ProcessCommandLine(int /*argc */ , char * /*argv */ []);
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extern _X_EXPORT int set_font_authorizations(char **authorizations,
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int *authlen,
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void *client);
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/*
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* This function malloc(3)s buffer, terminating the server if there is not
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* enough memory.
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*/
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extern _X_EXPORT void *
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XNFalloc(unsigned long /*amount */ );
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/*
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* This function calloc(3)s buffer, terminating the server if there is not
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* enough memory.
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*/
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extern _X_EXPORT void *
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XNFcalloc(unsigned long /*amount */ ) _X_DEPRECATED;
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/*
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* This function calloc(3)s buffer, terminating the server if there is not
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* enough memory or the arguments overflow when multiplied
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*/
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extern _X_EXPORT void *
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XNFcallocarray(size_t nmemb, size_t size);
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/*
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* This function realloc(3)s passed buffer, terminating the server if there is
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* not enough memory.
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*/
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extern _X_EXPORT void *
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XNFrealloc(void * /*ptr */ , unsigned long /*amount */ );
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/*
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* This function reallocarray(3)s passed buffer, terminating the server if
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* there is not enough memory or the arguments overflow when multiplied.
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*/
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extern _X_EXPORT void *
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XNFreallocarray(void *ptr, size_t nmemb, size_t size);
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/*
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* This function strdup(3)s passed string. The only difference from the library
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* function that it is safe to pass NULL, as NULL will be returned.
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*/
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extern _X_EXPORT char *
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Xstrdup(const char *s);
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/*
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* This function strdup(3)s passed string, terminating the server if there is
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* not enough memory. If NULL is passed to this function, NULL is returned.
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*/
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extern _X_EXPORT char *
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XNFstrdup(const char *s);
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/* Include new X*asprintf API */
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#include "Xprintf.h"
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/* Older api deprecated in favor of the asprintf versions */
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extern _X_EXPORT char *
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Xprintf(const char *fmt, ...)
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_X_ATTRIBUTE_PRINTF(1, 2)
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_X_DEPRECATED;
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extern _X_EXPORT char *
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Xvprintf(const char *fmt, va_list va)
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_X_ATTRIBUTE_PRINTF(1, 0)
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_X_DEPRECATED;
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extern _X_EXPORT char *
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XNFprintf(const char *fmt, ...)
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_X_ATTRIBUTE_PRINTF(1, 2)
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_X_DEPRECATED;
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extern _X_EXPORT char *
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XNFvprintf(const char *fmt, va_list va)
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_X_ATTRIBUTE_PRINTF(1, 0)
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_X_DEPRECATED;
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typedef void (*OsSigHandlerPtr) (int /* sig */ );
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typedef int (*OsSigWrapperPtr) (int /* sig */ );
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extern _X_EXPORT OsSigHandlerPtr
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OsSignal(int /* sig */ , OsSigHandlerPtr /* handler */ );
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extern _X_EXPORT OsSigWrapperPtr
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OsRegisterSigWrapper(OsSigWrapperPtr newWrap);
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extern _X_EXPORT int auditTrailLevel;
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extern _X_EXPORT void
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LockServer(void);
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extern _X_EXPORT void
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UnlockServer(void);
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#ifdef X_PRIVSEP
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extern _X_EXPORT int
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ChownLock(uid_t, gid_t);
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extern _X_EXPORT int
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priv_open_device(const char *);
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#endif
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extern _X_EXPORT int
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OsLookupColor(int /*screen */ ,
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char * /*name */ ,
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unsigned /*len */ ,
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unsigned short * /*pred */ ,
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unsigned short * /*pgreen */ ,
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unsigned short * /*pblue */ );
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extern _X_EXPORT void
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OsInit(void);
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extern _X_EXPORT void
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OsCleanup(Bool);
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extern _X_EXPORT void
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OsVendorFatalError(const char *f, va_list args)
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_X_ATTRIBUTE_PRINTF(1, 0);
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extern _X_EXPORT void
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OsVendorInit(void);
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extern _X_EXPORT void
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OsBlockSignals(void);
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extern _X_EXPORT void
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OsReleaseSignals(void);
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extern _X_EXPORT int
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OsBlockSIGIO(void);
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extern _X_EXPORT void
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OsReleaseSIGIO(void);
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extern void
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OsResetSignals(void);
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extern _X_EXPORT void
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OsAbort(void)
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_X_NORETURN;
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#if !defined(WIN32)
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extern _X_EXPORT int
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System(const char *);
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extern _X_EXPORT void *
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Popen(const char *, const char *);
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extern _X_EXPORT int
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Pclose(void *);
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extern _X_EXPORT void *
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Fopen(const char *, const char *);
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extern _X_EXPORT int
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Fclose(void *);
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#else
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extern const char *
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Win32TempDir(void);
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extern int
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System(const char *cmdline);
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#define Fopen(a,b) fopen(a,b)
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#define Fclose(a) fclose(a)
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#endif
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extern _X_EXPORT void
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CheckUserParameters(int argc, char **argv, char **envp);
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extern _X_EXPORT void
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CheckUserAuthorization(void);
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extern _X_EXPORT int
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AddHost(ClientPtr /*client */ ,
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int /*family */ ,
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unsigned /*length */ ,
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const void * /*pAddr */ );
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extern _X_EXPORT Bool
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ForEachHostInFamily(int family,
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Bool (*func)(
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unsigned char *addr,
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short len,
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void *closure),
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void *closure);
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extern _X_EXPORT int
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RemoveHost(ClientPtr client,
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int family,
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unsigned length,
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void *pAddr);
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extern _X_EXPORT int
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GetHosts(void ** /*data */ ,
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int * /*pnHosts */ ,
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int * /*pLen */ ,
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BOOL * /*pEnabled */ );
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typedef struct sockaddr *sockaddrPtr;
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extern _X_EXPORT int
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InvalidHost(sockaddrPtr /*saddr */ , int /*len */ , ClientPtr client);
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#define LCC_UID_SET (1 << 0)
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#define LCC_GID_SET (1 << 1)
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#define LCC_PID_SET (1 << 2)
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#define LCC_ZID_SET (1 << 3)
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typedef struct {
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int fieldsSet; /* Bit mask of fields set */
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int euid; /* Effective uid */
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int egid; /* Primary effective group id */
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int nSuppGids; /* Number of supplementary group ids */
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int *pSuppGids; /* Array of supplementary group ids */
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int pid; /* Process id */
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int zoneid; /* Only set on Solaris 10 & later */
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} LocalClientCredRec;
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extern _X_EXPORT int
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GetLocalClientCreds(ClientPtr, LocalClientCredRec **);
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extern _X_EXPORT void
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FreeLocalClientCreds(LocalClientCredRec *);
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extern _X_EXPORT int
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ChangeAccessControl(ClientPtr /*client */ , int /*fEnabled */ );
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extern _X_EXPORT int
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GetClientFd(ClientPtr);
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extern _X_EXPORT Bool
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ClientIsLocal(ClientPtr client);
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extern _X_EXPORT int
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GetAccessControl(void);
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extern _X_EXPORT void
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AddLocalHosts(void);
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extern _X_EXPORT void
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ResetHosts(const char *display);
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extern _X_EXPORT void
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EnableLocalAccess(void);
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extern _X_EXPORT void
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DisableLocalAccess(void);
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extern _X_EXPORT void
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EnableLocalHost(void);
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extern _X_EXPORT void
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DisableLocalHost(void);
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#ifndef NO_LOCAL_CLIENT_CRED
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extern _X_EXPORT void
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EnableLocalUser(void);
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extern _X_EXPORT void
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DisableLocalUser(void);
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extern _X_EXPORT void
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LocalAccessScopeUser(void);
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#endif
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extern _X_EXPORT void
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AccessUsingXdmcp(void);
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extern _X_EXPORT void
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DefineSelf(int /*fd */ );
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#if XDMCP
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extern _X_EXPORT void
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AugmentSelf(void *from, int len);
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extern _X_EXPORT void
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RegisterAuthorizations(void);
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#endif
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extern _X_EXPORT void
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InitAuthorization(const char * /*filename */ );
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/* extern int LoadAuthorization(void); */
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extern _X_EXPORT int
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AuthorizationFromID(XID id,
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unsigned short *name_lenp,
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const char **namep,
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unsigned short *data_lenp, char **datap);
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extern _X_EXPORT XID
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CheckAuthorization(unsigned int /*namelength */ ,
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const char * /*name */ ,
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unsigned int /*datalength */ ,
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const char * /*data */ ,
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ClientPtr /*client */ ,
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const char ** /*reason */
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);
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extern _X_EXPORT void
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ResetAuthorization(void);
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extern _X_EXPORT int
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RemoveAuthorization(unsigned short name_length,
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const char *name,
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unsigned short data_length, const char *data);
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extern _X_EXPORT int
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AddAuthorization(unsigned int /*name_length */ ,
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const char * /*name */ ,
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unsigned int /*data_length */ ,
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char * /*data */ );
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#ifdef XCSECURITY
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extern _X_EXPORT XID
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GenerateAuthorization(unsigned int /* name_length */ ,
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const char * /* name */ ,
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unsigned int /* data_length */ ,
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const char * /* data */ ,
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unsigned int * /* data_length_return */ ,
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char ** /* data_return */ );
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#endif
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extern _X_EXPORT int
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ddxProcessArgument(int /*argc */ , char * /*argv */ [], int /*i */ );
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extern _X_EXPORT void
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ddxUseMsg(void);
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/* stuff for ReplyCallback */
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extern _X_EXPORT CallbackListPtr ReplyCallback;
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typedef struct {
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ClientPtr client;
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const void *replyData;
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unsigned long dataLenBytes; /* actual bytes from replyData + pad bytes */
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unsigned long bytesRemaining;
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Bool startOfReply;
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unsigned long padBytes; /* pad bytes from zeroed array */
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} ReplyInfoRec;
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/* stuff for FlushCallback */
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extern _X_EXPORT CallbackListPtr FlushCallback;
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enum ExitCode {
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EXIT_NO_ERROR = 0,
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EXIT_ERR_ABORT = 1,
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EXIT_ERR_CONFIGURE = 2,
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EXIT_ERR_DRIVERS = 3,
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};
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extern _X_EXPORT void
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AbortDDX(enum ExitCode error);
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extern _X_EXPORT void
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ddxGiveUp(enum ExitCode error);
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extern _X_EXPORT int
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TimeSinceLastInputEvent(void);
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/* Function fallbacks provided by AC_REPLACE_FUNCS in configure.ac */
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#ifndef HAVE_REALLOCARRAY
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#define reallocarray xreallocarray
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extern _X_EXPORT void *
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reallocarray(void *optr, size_t nmemb, size_t size);
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#endif
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#ifndef HAVE_STRCASECMP
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#define strcasecmp xstrcasecmp
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extern _X_EXPORT int
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xstrcasecmp(const char *s1, const char *s2);
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#endif
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#ifndef HAVE_STRNCASECMP
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#define strncasecmp xstrncasecmp
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extern _X_EXPORT int
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xstrncasecmp(const char *s1, const char *s2, size_t n);
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#endif
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#ifndef HAVE_STRCASESTR
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#define strcasestr xstrcasestr
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extern _X_EXPORT char *
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xstrcasestr(const char *s, const char *find);
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#endif
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|
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#ifndef HAVE_STRLCPY
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extern _X_EXPORT size_t
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strlcpy(char *dst, const char *src, size_t siz);
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extern _X_EXPORT size_t
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strlcat(char *dst, const char *src, size_t siz);
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#endif
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|
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#ifndef HAVE_STRNDUP
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|
extern _X_EXPORT char *
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|
strndup(const char *str, size_t n);
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#endif
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|
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|
#ifndef HAVE_TIMINGSAFE_MEMCMP
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|
extern _X_EXPORT int
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|
timingsafe_memcmp(const void *b1, const void *b2, size_t len);
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#endif
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/* Logging. */
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|
typedef enum _LogParameter {
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XLOG_FLUSH,
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XLOG_SYNC,
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XLOG_VERBOSITY,
|
|
XLOG_FILE_VERBOSITY
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} LogParameter;
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|
|
|
/* Flags for log messages. */
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|
typedef enum {
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X_PROBED, /* Value was probed */
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X_CONFIG, /* Value was given in the config file */
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|
X_DEFAULT, /* Value is a default */
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|
X_CMDLINE, /* Value was given on the command line */
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|
X_NOTICE, /* Notice */
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|
X_ERROR, /* Error message */
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|
X_WARNING, /* Warning message */
|
|
X_INFO, /* Informational message */
|
|
X_NONE, /* No prefix */
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|
X_NOT_IMPLEMENTED, /* Not implemented */
|
|
X_DEBUG, /* Debug message */
|
|
X_UNKNOWN = -1 /* unknown -- this must always be last */
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|
} MessageType;
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|
|
|
extern _X_EXPORT const char *
|
|
LogInit(const char *fname, const char *backup);
|
|
extern void
|
|
LogSetDisplay(void);
|
|
extern _X_EXPORT void
|
|
LogClose(enum ExitCode error);
|
|
extern _X_EXPORT Bool
|
|
LogSetParameter(LogParameter param, int value);
|
|
extern _X_EXPORT void
|
|
LogVWrite(int verb, const char *f, va_list args)
|
|
_X_ATTRIBUTE_PRINTF(2, 0);
|
|
extern _X_EXPORT void
|
|
LogWrite(int verb, const char *f, ...)
|
|
_X_ATTRIBUTE_PRINTF(2, 3);
|
|
extern _X_EXPORT void
|
|
LogVMessageVerb(MessageType type, int verb, const char *format, va_list args)
|
|
_X_ATTRIBUTE_PRINTF(3, 0);
|
|
extern _X_EXPORT void
|
|
LogMessageVerb(MessageType type, int verb, const char *format, ...)
|
|
_X_ATTRIBUTE_PRINTF(3, 4);
|
|
extern _X_EXPORT void
|
|
LogMessage(MessageType type, const char *format, ...)
|
|
_X_ATTRIBUTE_PRINTF(2, 3);
|
|
extern _X_EXPORT void
|
|
LogMessageVerbSigSafe(MessageType type, int verb, const char *format, ...)
|
|
_X_ATTRIBUTE_PRINTF(3, 4);
|
|
extern _X_EXPORT void
|
|
LogVMessageVerbSigSafe(MessageType type, int verb, const char *format, va_list args)
|
|
_X_ATTRIBUTE_PRINTF(3, 0);
|
|
|
|
extern _X_EXPORT void
|
|
LogVHdrMessageVerb(MessageType type, int verb,
|
|
const char *msg_format, va_list msg_args,
|
|
const char *hdr_format, va_list hdr_args)
|
|
_X_ATTRIBUTE_PRINTF(3, 0)
|
|
_X_ATTRIBUTE_PRINTF(5, 0);
|
|
extern _X_EXPORT void
|
|
LogHdrMessageVerb(MessageType type, int verb,
|
|
const char *msg_format, va_list msg_args,
|
|
const char *hdr_format, ...)
|
|
_X_ATTRIBUTE_PRINTF(3, 0)
|
|
_X_ATTRIBUTE_PRINTF(5, 6);
|
|
extern _X_EXPORT void
|
|
LogHdrMessage(MessageType type, const char *msg_format,
|
|
va_list msg_args, const char *hdr_format, ...)
|
|
_X_ATTRIBUTE_PRINTF(2, 0)
|
|
_X_ATTRIBUTE_PRINTF(4, 5);
|
|
|
|
extern _X_EXPORT void
|
|
FreeAuditTimer(void);
|
|
extern _X_EXPORT void
|
|
AuditF(const char *f, ...)
|
|
_X_ATTRIBUTE_PRINTF(1, 2);
|
|
extern _X_EXPORT void
|
|
VAuditF(const char *f, va_list args)
|
|
_X_ATTRIBUTE_PRINTF(1, 0);
|
|
extern _X_EXPORT void
|
|
FatalError(const char *f, ...)
|
|
_X_ATTRIBUTE_PRINTF(1, 2)
|
|
_X_NORETURN;
|
|
|
|
#ifdef DEBUG
|
|
#define DebugF ErrorF
|
|
#else
|
|
#define DebugF(...) /* */
|
|
#endif
|
|
|
|
extern _X_EXPORT void
|
|
VErrorF(const char *f, va_list args)
|
|
_X_ATTRIBUTE_PRINTF(1, 0);
|
|
extern _X_EXPORT void
|
|
ErrorF(const char *f, ...)
|
|
_X_ATTRIBUTE_PRINTF(1, 2);
|
|
extern _X_EXPORT void
|
|
VErrorFSigSafe(const char *f, va_list args)
|
|
_X_ATTRIBUTE_PRINTF(1, 0);
|
|
extern _X_EXPORT void
|
|
ErrorFSigSafe(const char *f, ...)
|
|
_X_ATTRIBUTE_PRINTF(1, 2);
|
|
extern _X_EXPORT void
|
|
LogPrintMarkers(void);
|
|
|
|
extern _X_EXPORT void
|
|
xorg_backtrace(void);
|
|
|
|
extern _X_EXPORT int
|
|
os_move_fd(int fd);
|
|
|
|
#endif /* OS_H */
|