/* $Xorg: CvtCache.c,v 1.5 2001/02/09 02:03:52 xorgcvs Exp $ */ /* Copyright 1989, 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. */ /* $XFree86: xc/lib/Xmu/CvtCache.c,v 3.6 2001/08/23 00:03:21 dawes Exp $ */ /* * Author: Jim Fulton, MIT X Consortium */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <stdio.h> #include <X11/Xlib.h> #include <X11/Xos.h> #include <X11/Xmu/CvtCache.h> #include <stdlib.h> /* * Prototypes */ static int _CloseDisplay(XmuDisplayQueue*, XmuDisplayQueueEntry*); static int _FreeCCDQ(XmuDisplayQueue*); static void _InitializeCvtCache(XmuCvtCache*); /* * Initialization */ static XmuDisplayQueue *dq = NULL; /* * internal utility callbacks */ static int _FreeCCDQ(XmuDisplayQueue *q) { XmuDQDestroy (dq, False); dq = NULL; return (0); } static int _CloseDisplay(XmuDisplayQueue *q, XmuDisplayQueueEntry *e) { XmuCvtCache *c; if (e && (c = (XmuCvtCache *)(e->data))) { _XmuStringToBitmapFreeCache (c); /* insert calls to free any cached memory */ } return 0; } static void _InitializeCvtCache(register XmuCvtCache *c) { _XmuStringToBitmapInitCache (c); /* insert calls to init any cached memory */ } /* * XmuCCLookupDisplay - return the cache entry for the indicated display; * initialize the cache if necessary */ XmuCvtCache * _XmuCCLookupDisplay(Display *dpy) { XmuDisplayQueueEntry *e; /* * If no displays have been added before this, create the display queue. */ if (!dq) { dq = XmuDQCreate (_CloseDisplay, _FreeCCDQ, NULL); if (!dq) return NULL; } /* * See if the display is already there */ e = XmuDQLookupDisplay (dq, dpy); /* see if it's there */ if (!e) { /* else create it */ XmuCvtCache *c = (XmuCvtCache *) malloc (sizeof (XmuCvtCache)); if (!c) return NULL; /* * Add the display to the queue */ e = XmuDQAddDisplay (dq, dpy, (XPointer) c); if (!e) { free ((char *) c); return NULL; } /* * initialize fields in cache */ _InitializeCvtCache (c); } /* * got it */ return (XmuCvtCache *)(e->data); }