clean some "unused" warnings

hw/xfree86/common/xf86Helper.c

@@ -1093,7 +1093,6 @@ xf86SetRootClip (ScreenPtr pScreen, Bool enable)
     WindowPtr	pChild;
     Bool	WasViewable = (Bool)(pWin->viewable);
     Bool	anyMarked = FALSE;
-    RegionPtr	pOldClip = NULL;
 #ifdef DO_SAVE_UNDERS
     Bool	dosave = FALSE;
 #endif

hw/xfree86/ddc/xf86DDC.c

@@ -13,8 +13,6 @@
 #include "ddcPriv.h"
 #include <string.h>
 
-static const OptionInfoRec *DDCAvailableOptions(void *unused);
-
 #define RETRIES 4
 
 static unsigned char *EDIDRead_DDC1(
@@ -58,13 +56,6 @@ static const OptionInfoRec DDCOptions[] = {
     { -1,		NULL,		OPTV_NONE,	{0},	FALSE },
 };
 
-/*ARGSUSED*/
-static const OptionInfoRec *
-DDCAvailableOptions(void *unused)
-{
-    return (DDCOptions);
-}
-
 /**
  * Attempts to probe the monitor for EDID information, if NoDDC and NoDDC1 are
  * unset.  EDID information blocks are interpreted and the results returned in

hw/xfree86/int10/helper_exec.c

@@ -46,8 +46,6 @@ static void SetResetBIOSVars(xf86Int10InfoPtr pInt, Bool set);
 
 #define REG pInt
 
-static int pci_config_cycle = 0;
-
 int
 setup_int(xf86Int10InfoPtr pInt)
 {

hw/xfree86/parser/Screen.c

@@ -508,7 +508,6 @@ xf86validateScreen (XF86ConfigPtr p)
 {
 	XF86ConfScreenPtr screen = p->conf_screen_lst;
 	XF86ConfMonitorPtr monitor;
-	XF86ConfDevicePtr device;
 	XF86ConfAdaptorLinkPtr adaptor;
 
 	while (screen)

hw/xfree86/parser/scan.c

@@ -612,7 +612,7 @@ DoSubstitution(const char *template, const char *cmdline, const char *projroot,
 {
 	char *result;
 	int i, l;
-	static const char *env = NULL, *home = NULL;
+	static const char *env = NULL;
 	static char *hostname = NULL;
 	static char majorvers[3] = "";
 

hw/xfree86/vbe/vbeModes.c

@@ -127,10 +127,9 @@ CheckMode(ScrnInfoPtr pScrn, vbeInfoPtr pVbe, VbeInfoBlock *vbe, int id,
 {
     CARD16 major;
     VbeModeInfoBlock *mode;
-    DisplayModePtr pMode, p;
+    DisplayModePtr pMode;
     VbeModeInfoData *data;
     Bool modeOK = FALSE;
-    ModeStatus status = MODE_OK;
 
     major = (unsigned)(vbe->VESAVersion >> 8);
 

mi/midash.c

@@ -52,38 +52,6 @@ SOFTWARE.
 #include "mistruct.h"
 #include "mifpoly.h"
 
-static miDashPtr CheckDashStorage(miDashPtr *ppseg, int nseg, int *pnsegMax);
-
-#define NSEGDELTA 16
-
-/* returns a pointer to the pseg[nseg-1], growing the storage as
-necessary.  this interface seems unnecessarily cumbersome.
-
-*/
-
-static miDashPtr
-CheckDashStorage(
-    miDashPtr *ppseg,		/* base pointer */
-    int nseg,			/* number of segment we want to write to */
-    int *pnsegMax)		/* size (in segments) of list so far */
-{
-    if (nseg > *pnsegMax)
-    {
-	miDashPtr newppseg;
-
-	*pnsegMax += NSEGDELTA;
-	newppseg = (miDashPtr)xrealloc(*ppseg,
-				       (*pnsegMax)*sizeof(miDashRec));
-	if (!newppseg)
-	{
-	    xfree(*ppseg);
-	    return (miDashPtr)NULL;
-	}
-	*ppseg = newppseg;
-    }
-    return(*ppseg+(nseg-1));
-}
-
 _X_EXPORT void
 miStepDash (dist, pDashIndex, pDash, numInDashList, pDashOffset)
     int dist;			/* distance to step */

mi/miexpose.c

@@ -288,8 +288,6 @@ miHandleExposures(pSrcDrawable, pDstDrawable,
 #endif
     if (extents)
     {
-	WindowPtr pWin = (WindowPtr)pDstDrawable;
-
 	expBox = *REGION_EXTENTS(pscr, &rgnExposed);
 	REGION_RESET(pscr, &rgnExposed, &expBox);
     }

mi/mioverlay.c

@@ -1528,7 +1528,6 @@ miOverlaySetShape(WindowPtr pWin)
 {
     Bool	WasViewable = (Bool)(pWin->viewable);
     ScreenPtr 	pScreen = pWin->drawable.pScreen;
-    RegionPtr	pOldClip = NULL;
 #ifdef DO_SAVE_UNDERS
     Bool	dosave = FALSE;
 #endif

mi/miwindow.c

@@ -938,7 +938,6 @@ miSetShape(pWin)
     Bool	WasViewable = (Bool)(pWin->viewable);
     ScreenPtr 	pScreen = pWin->drawable.pScreen;
     Bool	anyMarked = FALSE;
-    RegionPtr	pOldClip = NULL;
 #ifdef DO_SAVE_UNDERS
     Bool	dosave = FALSE;
 #endif

os/connection.c

@@ -546,7 +546,6 @@ AuthAudit (ClientPtr client, Bool letin,
 {
     char addr[128];
     char *out = addr;
-    int client_uid;
     char client_uid_string[64];
     LocalClientCredRec *lcc;
 #ifdef XSERVER_DTRACE

os/io.c

@@ -91,8 +91,6 @@ _X_EXPORT CallbackListPtr       FlushCallback;
 
 static ConnectionInputPtr AllocateInputBuffer(void);
 static ConnectionOutputPtr AllocateOutputBuffer(void);
-static xReqPtr PeekNextRequest(xReqPtr req, ClientPtr client, Bool readmore);
-static void SkipRequests(xReqPtr req, ClientPtr client, int numskipped);
 
 /* check for both EAGAIN and EWOULDBLOCK, because some supposedly POSIX
  * systems are broken and return EWOULDBLOCK when they should return EAGAIN
@@ -618,135 +616,8 @@ ResetCurrentRequest(ClientPtr client)
 
 
 
-/*****************************************************************
- *  PeekNextRequest and SkipRequests were implemented to support DBE 
- *  idioms, but can certainly be used outside of DBE.  There are two 
- *  related macros in os.h, ReqLen and CastxReq.  See the porting 
- *  layer document for more details.
- *
- **********************/
-
-
-/*****************************************************************
- *  PeekNextRequest
- *      lets you look ahead at the unexecuted requests in a 
- *      client's request buffer.
- *
- *      Note: this implementation of PeekNextRequest ignores the
- *      readmore parameter.
- *
- **********************/
-
-static xReqPtr
-PeekNextRequest(
-    xReqPtr req,	/* request we're starting from */
-    ClientPtr client,	/* client whose requests we're skipping */
-    Bool readmore)	/* attempt to read more if next request isn't there? */
-{
-    register ConnectionInputPtr oci = ((OsCommPtr)client->osPrivate)->input;
-    xReqPtr pnextreq;
-    int needed, gotnow, reqlen;
-
-    if (!oci) return NULL;
-
-    if (!req)
-    {
-	/* caller wants the request after the one currently being executed */
-	pnextreq = (xReqPtr)
-	    (((CARD32 *)client->requestBuffer) + client->req_len);
-    }
-    else
-    {
-	/* caller wants the request after the one specified by req */
-	reqlen = get_req_len(req, client);
-#ifdef BIGREQS
-	if (!reqlen) reqlen = get_big_req_len(req, client);
-#endif
-	pnextreq = (xReqPtr)(((char *)req) + (reqlen << 2));
-    }
-
-    /* see how much of the next request we have available */
-
-    gotnow = oci->bufcnt - (((char *)pnextreq) - oci->buffer);
-
-    if (gotnow < sizeof(xReq))
-	return NULL;
-
-    needed = get_req_len(pnextreq, client) << 2;
-#ifdef BIGREQS
-    if (!needed)
-    {
-	/* it's a big request */
-	if (gotnow < sizeof(xBigReq))
-	    return NULL;
-	needed = get_big_req_len(pnextreq, client) << 2;
-    }
-#endif
-
-    /* if we have less than we need, return NULL */
-
-    return (gotnow < needed) ? NULL : pnextreq;
-}
-
-/*****************************************************************
- *  SkipRequests 
- *      lets you skip over some of the requests in a client's
- *      request buffer.  Presumably the caller has used PeekNextRequest
- *      to examine the requests being skipped and has performed whatever 
- *      actions they dictate.
- *
- **********************/
-
 _X_EXPORT CallbackListPtr SkippedRequestsCallback = NULL;
 
-static void
-SkipRequests(
-    xReqPtr req,	/* last request being skipped */
-    ClientPtr client,   /* client whose requests we're skipping */
-    int numskipped)	/* how many requests we're skipping */
-{
-    OsCommPtr oc = (OsCommPtr)client->osPrivate;
-    register ConnectionInputPtr oci = oc->input;
-    int reqlen;
-
-    /* see if anyone wants to snoop the skipped requests */
-
-    if (SkippedRequestsCallback)
-    {
-	SkippedRequestInfoRec skipinfo;
-	skipinfo.req = req;
-	skipinfo.client = client;
-	skipinfo.numskipped = numskipped;
-	CallCallbacks(&SkippedRequestsCallback, &skipinfo);
-    }
-
-    /* adjust the sequence number */
-    client->sequence += numskipped;
-
-    /* twiddle the oci to skip over the requests */
-
-    reqlen = get_req_len(req, client);
-#ifdef BIGREQS
-    if (!reqlen) reqlen = get_big_req_len(req, client);
-#endif
-    reqlen <<= 2;
-    oci->bufptr = (char *)req;
-    oci->lenLastReq = reqlen;
-
-    /* see if any requests left in the buffer */
-
-    if ( ((char *)req + reqlen) == (oci->buffer + oci->bufcnt) )
-    {
-	/* no requests; mark input buffer as available and client
-	 * as having no input
-	 */
-	int fd = oc->fd;
-	AvailableInput = oc;
-	YieldControlNoInput();
-    }
-}
-
-
     /* lookup table for adding padding bytes to data that is read from
     	or written to the X socket.  */
 static int padlength[4] = {0, 3, 2, 1};

randr/rrscreen.c

@@ -731,7 +731,6 @@ ProcRRSetScreenConfig (ClientPtr client)
     int			    n, rc;
     ScreenPtr		    pScreen;
     rrScrPrivPtr	    pScrPriv;
-    TimeStamp		    configTime;
     TimeStamp		    time;
     int			    i;
     Rotation		    rotation;