dos -> unix

1 files changed, 302 insertions, 302 deletions

diff --git a/libX11/src/Context.c b/libX11/src/Context.c
index ae059cb5c..79ae7d66c 100644
--- a/libX11/src/Context.c
+++ b/libX11/src/Context.c
@@ -1,302 +1,302 @@
-

-/***********************************************************

-Copyright 1987, 1988, 1990 by Digital Equipment Corporation, Maynard,

-

-                        All Rights Reserved

-

-Permission to use, copy, modify, and distribute this software and its

-documentation for any purpose and without fee is hereby granted,

-provided that the above copyright notice appear in all copies and that

-both that copyright notice and this permission notice appear in

-supporting documentation, and that the name Digital not be

-used in advertising or publicity pertaining to distribution of the

-software without specific, written prior permission.

-

-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING

-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL

-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR

-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,

-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,

-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS

-SOFTWARE.

-

-******************************************************************/

-

-/*

-

-Copyright 1987, 1988, 1990, 1994, 1998  The Open Group

-

-Permission to use, copy, modify, distribute, and sell this software and its

-documentation for any purpose is hereby granted without fee, provided that

-the above copyright notice appear in all copies and that both that

-copyright notice and this permission notice appear in supporting

-documentation.

-

-The above copyright notice and this permission notice shall be included

-in all copies or substantial portions of the Software.

-

-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR

-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

-OTHER DEALINGS IN THE SOFTWARE.

-

-Except as contained in this notice, the name of The Open Group shall

-not be used in advertising or otherwise to promote the sale, use or

-other dealings in this Software without prior written authorization

-from The Open Group.

-

-*/

-

-/* This module implements a simple sparse array.

-

-   XSaveContext(a,b,c,d) will store d in position (a,b,c) of the array.

-   XFindContext(a,b,c,&d) will set d to be the value in position (a,b,c).

-   XDeleteContext(a,b,c) will delete the entry in (a,b,c).

-

-   a is a display id, b is a resource id, and c is a Context.  d is just an

-   XPointer.  This code will work with any range of parameters, but is geared

-   to be most efficient with very few (one or two) different a's.

-

-*/

-

-#ifdef HAVE_CONFIG_H

-#include <config.h>

-#endif

-#include "Xlibint.h"

-#include "Xutil.h"

-#ifdef XTHREADS

-#include "locking.h"

-#endif

-

-#define INITHASHMASK 63 /* Number of entries originally in the hash table. */

-

-typedef struct _TableEntryRec {	/* Stores one entry. */

-    XID 			rid;

-    XContext			context;

-    XPointer			data;

-    struct _TableEntryRec	*next;

-} TableEntryRec, *TableEntry;

-

-typedef struct _XContextDB {	/* Stores hash table for one display. */

-    TableEntry *table;		/* Pointer to array of hash entries. */

-    int mask;			/* Current size of hash table minus 1. */

-    int numentries;		/* Number of entries currently in table. */

-#ifdef XTHREADS

-    LockInfoRec linfo;

-#endif

-} DBRec, *DB;

-

-#ifdef MOTIFBC

-static DB NullDB = (DB)0;

-#endif

-

-/* Given an XID and a context, returns a value between 0 and HashSize-1.

-   Currently, this requires that HashSize be a power of 2.

-*/

-

-#define Hash(db,rid,context) \

-    (db)->table[(((rid) << 1) + context) & (db)->mask]

-

-/* Resize the given db */

-

-static void ResizeTable(DB db)

-{

-    TableEntry *otable;

-    register TableEntry entry, next, *pold, *head;

-    register int i, j;

-

-    otable = db->table;

-    for (i = INITHASHMASK+1; (i + i) < db->numentries; )

-	i += i;

-    db->table = (TableEntry *) Xcalloc((unsigned)i, sizeof(TableEntry));

-    if (!db->table) {

-	db->table = otable;

-	return;

-    }

-    j = db->mask + 1;

-    db->mask = i - 1;

-    for (pold = otable ; --j >= 0; pold++) {

-	for (entry = *pold; entry; entry = next) {

-	    next = entry->next;

-	    head = &Hash(db, entry->rid, entry->context);

-	    entry->next = *head;

-	    *head = entry;

-	}

-    }

-    Xfree((char *) otable);

-}

-

-static void _XFreeContextDB(Display *display)

-{

-    register DB db;

-    register int i;

-    register TableEntry *pentry, entry, next;

-

-    db = display->context_db;

-    if (db) {

-	for (i = db->mask + 1, pentry = db->table ; --i >= 0; pentry++) {

-	    for (entry = *pentry; entry; entry = next) {

-		next = entry->next;

-		Xfree((char *)entry);

-	    }

-	}

-	Xfree((char *) db->table);

-	_XFreeMutex(&db->linfo);

-	Xfree((char *) db);

-    }

-}

-

-/* Public routines. */

-

-/* Save the given value of data to correspond with the keys XID and context.

-   Returns nonzero error code if an error has occured, 0 otherwise.

-   Possible errors are Out-of-memory.

-*/

-

-int XSaveContext(

-    Display *display,

-    register XID rid,

-    register XContext context,

-    _Xconst char* data)

-{

-    DB *pdb;

-    register DB db;

-    TableEntry *head;

-    register TableEntry entry;

-

-#ifdef MOTIFBC

-    if (!display) {

-	pdb = &NullDB;

-	db = *pdb;

-    } else

-#endif

-    {

-	LockDisplay(display);

-	pdb = &display->context_db;

-	db = *pdb;

-	UnlockDisplay(display);

-    }

-    if (!db) {

-	db = (DB) Xmalloc(sizeof(DBRec));

-	if (!db)

-	    return XCNOMEM;

-	db->mask = INITHASHMASK;

-	db->table = (TableEntry *)Xcalloc(db->mask + 1, sizeof(TableEntry));

-	if (!db->table) {

-	    Xfree((char *)db);

-	    return XCNOMEM;

-	}

-	db->numentries = 0;

-	_XCreateMutex(&db->linfo);

-#ifdef MOTIFBC

-	if (!display) *pdb = db; else

-#endif

-	{

-	    LockDisplay(display);

-	    *pdb = db;

-	    display->free_funcs->context_db = _XFreeContextDB;

-	    UnlockDisplay(display);

-	}

-    }

-    _XLockMutex(&db->linfo);

-    head = &Hash(db, rid, context);

-    _XUnlockMutex(&db->linfo);

-    for (entry = *head; entry; entry = entry->next) {

-	if (entry->rid == rid && entry->context == context) {

-	    entry->data = (XPointer)data;

-	    return 0;

-	}

-    }

-    entry = (TableEntry) Xmalloc(sizeof(TableEntryRec));

-    if (!entry)

-	return XCNOMEM;

-    entry->rid = rid;

-    entry->context = context;

-    entry->data = (XPointer)data;

-    entry->next = *head;

-    *head = entry;

-    _XLockMutex(&db->linfo);

-    db->numentries++;

-    if (db->numentries > (db->mask << 2))

-	ResizeTable(db);

-    _XUnlockMutex(&db->linfo);

-    return 0;

-}

-

-

-

-/* Given an XID and context, returns the associated data.  Note that data

-   here is a pointer since it is a return value.  Returns nonzero error code

-   if an error has occured, 0 otherwise.  Possible errors are Entry-not-found.

-*/

-

-int XFindContext(Display *display, XID rid, XContext context, XPointer *data)

-{

-    register DB db;

-    register TableEntry entry;

-

-#ifdef MOTIFBC

-    if (!display) db = NullDB; else

-#endif

-    {

-	LockDisplay(display);

-	db = display->context_db;

-	UnlockDisplay(display);

-    }

-    if (!db)

-	return XCNOENT;

-    _XLockMutex(&db->linfo);

-    for (entry = Hash(db, rid, context); entry; entry = entry->next)

-    {

-	if (entry->rid == rid && entry->context == context) {

-	    *data = (XPointer)entry->data;

-	    _XUnlockMutex(&db->linfo);

-	    return 0;

-	}

-    }

-    _XUnlockMutex(&db->linfo);

-    return XCNOENT;

-}

-

-

-

-/* Deletes the entry for the given XID and context from the datastructure.

-   This returns the same thing that FindContext would have returned if called

-   with the same arguments.

-*/

-

-int XDeleteContext(Display *display, XID rid, XContext context)

-{

-    register DB db;

-    register TableEntry entry, *prev;

-

-#ifdef MOTIFBC

-    if (!display) db = NullDB; else

-#endif

-    {

-	LockDisplay(display);

-	db = display->context_db;

-	UnlockDisplay(display);

-    }

-    if (!db)

-	return XCNOENT;

-    _XLockMutex(&db->linfo);

-    for (prev = &Hash(db, rid, context);

-	 (entry = *prev);

-	 prev = &entry->next) {

-	if (entry->rid == rid && entry->context == context) {

-	    *prev = entry->next;

-	    Xfree((char *) entry);

-	    db->numentries--;

-	    if (db->numentries < db->mask && db->mask > INITHASHMASK)

-		ResizeTable(db);

-	    _XUnlockMutex(&db->linfo);

-	    return 0;

-	}

-    }

-    _XUnlockMutex(&db->linfo);

-    return XCNOENT;

-}

+
+/***********************************************************
+Copyright 1987, 1988, 1990 by Digital Equipment Corporation, Maynard,
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/*
+
+Copyright 1987, 1988, 1990, 1994, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+/* This module implements a simple sparse array.
+
+   XSaveContext(a,b,c,d) will store d in position (a,b,c) of the array.
+   XFindContext(a,b,c,&d) will set d to be the value in position (a,b,c).
+   XDeleteContext(a,b,c) will delete the entry in (a,b,c).
+
+   a is a display id, b is a resource id, and c is a Context.  d is just an
+   XPointer.  This code will work with any range of parameters, but is geared
+   to be most efficient with very few (one or two) different a's.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xutil.h"
+#ifdef XTHREADS
+#include "locking.h"
+#endif
+
+#define INITHASHMASK 63 /* Number of entries originally in the hash table. */
+
+typedef struct _TableEntryRec {	/* Stores one entry. */
+    XID 			rid;
+    XContext			context;
+    XPointer			data;
+    struct _TableEntryRec	*next;
+} TableEntryRec, *TableEntry;
+
+typedef struct _XContextDB {	/* Stores hash table for one display. */
+    TableEntry *table;		/* Pointer to array of hash entries. */
+    int mask;			/* Current size of hash table minus 1. */
+    int numentries;		/* Number of entries currently in table. */
+#ifdef XTHREADS
+    LockInfoRec linfo;
+#endif
+} DBRec, *DB;
+
+#ifdef MOTIFBC
+static DB NullDB = (DB)0;
+#endif
+
+/* Given an XID and a context, returns a value between 0 and HashSize-1.
+   Currently, this requires that HashSize be a power of 2.
+*/
+
+#define Hash(db,rid,context) \
+    (db)->table[(((rid) << 1) + context) & (db)->mask]
+
+/* Resize the given db */
+
+static void ResizeTable(DB db)
+{
+    TableEntry *otable;
+    register TableEntry entry, next, *pold, *head;
+    register int i, j;
+
+    otable = db->table;
+    for (i = INITHASHMASK+1; (i + i) < db->numentries; )
+	i += i;
+    db->table = (TableEntry *) Xcalloc((unsigned)i, sizeof(TableEntry));
+    if (!db->table) {
+	db->table = otable;
+	return;
+    }
+    j = db->mask + 1;
+    db->mask = i - 1;
+    for (pold = otable ; --j >= 0; pold++) {
+	for (entry = *pold; entry; entry = next) {
+	    next = entry->next;
+	    head = &Hash(db, entry->rid, entry->context);
+	    entry->next = *head;
+	    *head = entry;
+	}
+    }
+    Xfree((char *) otable);
+}
+
+static void _XFreeContextDB(Display *display)
+{
+    register DB db;
+    register int i;
+    register TableEntry *pentry, entry, next;
+
+    db = display->context_db;
+    if (db) {
+	for (i = db->mask + 1, pentry = db->table ; --i >= 0; pentry++) {
+	    for (entry = *pentry; entry; entry = next) {
+		next = entry->next;
+		Xfree((char *)entry);
+	    }
+	}
+	Xfree((char *) db->table);
+	_XFreeMutex(&db->linfo);
+	Xfree((char *) db);
+    }
+}
+
+/* Public routines. */
+
+/* Save the given value of data to correspond with the keys XID and context.
+   Returns nonzero error code if an error has occured, 0 otherwise.
+   Possible errors are Out-of-memory.
+*/
+
+int XSaveContext(
+    Display *display,
+    register XID rid,
+    register XContext context,
+    _Xconst char* data)
+{
+    DB *pdb;
+    register DB db;
+    TableEntry *head;
+    register TableEntry entry;
+
+#ifdef MOTIFBC
+    if (!display) {
+	pdb = &NullDB;
+	db = *pdb;
+    } else
+#endif
+    {
+	LockDisplay(display);
+	pdb = &display->context_db;
+	db = *pdb;
+	UnlockDisplay(display);
+    }
+    if (!db) {
+	db = (DB) Xmalloc(sizeof(DBRec));
+	if (!db)
+	    return XCNOMEM;
+	db->mask = INITHASHMASK;
+	db->table = (TableEntry *)Xcalloc(db->mask + 1, sizeof(TableEntry));
+	if (!db->table) {
+	    Xfree((char *)db);
+	    return XCNOMEM;
+	}
+	db->numentries = 0;
+	_XCreateMutex(&db->linfo);
+#ifdef MOTIFBC
+	if (!display) *pdb = db; else
+#endif
+	{
+	    LockDisplay(display);
+	    *pdb = db;
+	    display->free_funcs->context_db = _XFreeContextDB;
+	    UnlockDisplay(display);
+	}
+    }
+    _XLockMutex(&db->linfo);
+    head = &Hash(db, rid, context);
+    _XUnlockMutex(&db->linfo);
+    for (entry = *head; entry; entry = entry->next) {
+	if (entry->rid == rid && entry->context == context) {
+	    entry->data = (XPointer)data;
+	    return 0;
+	}
+    }
+    entry = (TableEntry) Xmalloc(sizeof(TableEntryRec));
+    if (!entry)
+	return XCNOMEM;
+    entry->rid = rid;
+    entry->context = context;
+    entry->data = (XPointer)data;
+    entry->next = *head;
+    *head = entry;
+    _XLockMutex(&db->linfo);
+    db->numentries++;
+    if (db->numentries > (db->mask << 2))
+	ResizeTable(db);
+    _XUnlockMutex(&db->linfo);
+    return 0;
+}
+
+
+
+/* Given an XID and context, returns the associated data.  Note that data
+   here is a pointer since it is a return value.  Returns nonzero error code
+   if an error has occured, 0 otherwise.  Possible errors are Entry-not-found.
+*/
+
+int XFindContext(Display *display, XID rid, XContext context, XPointer *data)
+{
+    register DB db;
+    register TableEntry entry;
+
+#ifdef MOTIFBC
+    if (!display) db = NullDB; else
+#endif
+    {
+	LockDisplay(display);
+	db = display->context_db;
+	UnlockDisplay(display);
+    }
+    if (!db)
+	return XCNOENT;
+    _XLockMutex(&db->linfo);
+    for (entry = Hash(db, rid, context); entry; entry = entry->next)
+    {
+	if (entry->rid == rid && entry->context == context) {
+	    *data = (XPointer)entry->data;
+	    _XUnlockMutex(&db->linfo);
+	    return 0;
+	}
+    }
+    _XUnlockMutex(&db->linfo);
+    return XCNOENT;
+}
+
+
+
+/* Deletes the entry for the given XID and context from the datastructure.
+   This returns the same thing that FindContext would have returned if called
+   with the same arguments.
+*/
+
+int XDeleteContext(Display *display, XID rid, XContext context)
+{
+    register DB db;
+    register TableEntry entry, *prev;
+
+#ifdef MOTIFBC
+    if (!display) db = NullDB; else
+#endif
+    {
+	LockDisplay(display);
+	db = display->context_db;
+	UnlockDisplay(display);
+    }
+    if (!db)
+	return XCNOENT;
+    _XLockMutex(&db->linfo);
+    for (prev = &Hash(db, rid, context);
+	 (entry = *prev);
+	 prev = &entry->next) {
+	if (entry->rid == rid && entry->context == context) {
+	    *prev = entry->next;
+	    Xfree((char *) entry);
+	    db->numentries--;
+	    if (db->numentries < db->mask && db->mask > INITHASHMASK)
+		ResizeTable(db);
+	    _XUnlockMutex(&db->linfo);
+	    return 0;
+	}
+    }
+    _XUnlockMutex(&db->linfo);
+    return XCNOENT;
+}