Edit
IABSD.fr/xenocara/lib/libXp/src/XpPrinter.c
matthieu
- lib/libXp/src/XpPrinter.c
-
/* $Xorg: XpPrinter.c,v 1.4 2000/08/17 19:46:07 cpqbld Exp $ */ /****************************************************************************** ****************************************************************************** ** ** (c) Copyright 1996 Hewlett-Packard Company ** (c) Copyright 1996 International Business Machines Corp. ** (c) Copyright 1996 Sun Microsystems, Inc. ** (c) Copyright 1996 Novell, Inc. ** (c) Copyright 1996 Digital Equipment Corp. ** (c) Copyright 1996 Fujitsu Limited ** (c) Copyright 1996 Hitachi, Ltd. ** ** Permission is hereby granted, free of charge, to any person obtaining a copy ** of this software and associated documentation files (the "Software"), to deal ** in the Software without restriction, including without limitation the rights ** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell ** copies of the Software, and to permit persons to whom the Software is ** furnished to do so, subject to the following conditions: ** ** 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 ** COPYRIGHT HOLDERS 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 names of the copyright holders shall ** not be used in advertising or otherwise to promote the sale, use or other ** dealings in this Software without prior written authorization from said ** copyright holders. ** ****************************************************************************** *****************************************************************************/ /* $XFree86: xc/lib/Xp/XpPrinter.c,v 1.8 2001/04/01 14:00:02 tsi Exp $ */ #define NEED_REPLIES #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <X11/extensions/Printstr.h> #include <X11/Xlibint.h> #include "XpExtUtil.h" #define _XpPadOut(len) (((len) + 3) & ~3) XPPrinterList XpGetPrinterList ( Display *dpy, char *printer_name, int *list_count /* return value */ ) { xPrintGetPrinterListReq *req; xPrintGetPrinterListReply rep; int printer_name_len, locale_len; char *locale; /* For decoding the variable portion of Reply */ long dataLenVR; CARD8 *dataVR; /* aka STRING8 */ XPPrinterList ptr_list; XExtDisplayInfo *info = (XExtDisplayInfo *) xp_find_display (dpy); /* For converting root winID to corresponding ScreenPtr */ int i; if (XpCheckExtInit(dpy, XP_DONT_CHECK) == -1) return ( (XPPrinterList) NULL ); /* No such extension */ /* * Fetch locale information. Note: XpGetLocaleNetString has * a thread-safe mutex on _Xglobal_lock. */ locale = XpGetLocaleNetString(); LockDisplay (dpy); GetReq(PrintGetPrinterList,req); req->reqType = info->codes->major_opcode; req->printReqType = X_PrintGetPrinterList; /* * Compute lengths of variable portions. */ if ( printer_name == (char *) NULL ) req->printerNameLen = 0; else if ( *printer_name == (char) NULL ) req->printerNameLen = 0; else { printer_name_len = strlen( printer_name ); req->length += _XpPadOut(printer_name_len) >> 2; req->printerNameLen = (unsigned long) printer_name_len; } if ( locale == (char *) NULL ) req->localeLen = 0; else if ( *locale == (char) NULL ) req->localeLen = 0; else { locale_len = strlen( locale ); req->length += _XpPadOut(locale_len) >> 2; req->localeLen = (unsigned long) locale_len; } /* * Attach variable data. */ if (req->printerNameLen) Data( dpy, (char *) printer_name, (long) req->printerNameLen ); if (req->localeLen) Data( dpy, (char *) locale, (long) req->localeLen ); if (! _XReply (dpy, (xReply *) &rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return ( (XPPrinterList) NULL ); /* error */ } XFree(locale); *list_count = rep.listCount; if (*list_count) { ptr_list = (XPPrinterList) Xmalloc( (unsigned) (sizeof(XPPrinterRec) * (*list_count + 1))); if (!ptr_list) { UnlockDisplay(dpy); SyncHandle(); return ( (XPPrinterList) NULL ); /* malloc error */ } /* * NULL last entry so XpFreePrinterList can work without a list_count */ ptr_list[*list_count].name = (char *) NULL; ptr_list[*list_count].desc = (char *) NULL; for ( i = 0; i < *list_count; i++ ) { /* * Pull printer length and then name. */ _XRead32 (dpy, &dataLenVR, (long) sizeof(CARD32) ); if (dataLenVR) { dataVR = (CARD8 *) Xmalloc( (unsigned) dataLenVR + 1 ); if (!dataVR) { UnlockDisplay(dpy); SyncHandle(); return ( (XPPrinterList) NULL ); /* malloc error */ } _XReadPad (dpy, (char *) dataVR, (long) dataLenVR); dataVR[dataLenVR] = 0; ptr_list[i].name = (char *) dataVR; } else { ptr_list[i].name = (char *) NULL; } /* * Pull localized description length and then description. */ _XRead32 (dpy, &dataLenVR, (long) sizeof(CARD32) ); if (dataLenVR) { dataVR = (CARD8 *) Xmalloc( (unsigned) dataLenVR + 1 ); if (!dataVR) { UnlockDisplay(dpy); SyncHandle(); return ( (XPPrinterList) NULL ); /* malloc error */ } _XReadPad (dpy, (char *) dataVR, (long) dataLenVR); dataVR[dataLenVR] = 0; ptr_list[i].desc = (char *) dataVR; } else { ptr_list[i].desc = (char *) NULL; } } } else { ptr_list = (XPPrinterList) NULL; } UnlockDisplay(dpy); SyncHandle(); return ( ptr_list ); } void XpFreePrinterList ( XPPrinterList printer_list ) { int i; if ( printer_list == NULL ) return; i = 0; while (printer_list[i].name != NULL) { Xfree( (char *) printer_list[i].name ); Xfree( (char *) printer_list[i].desc ); i++; } Xfree( (char *) printer_list ); } void XpRehashPrinterList ( Display *dpy ) { xPrintRehashPrinterListReq *req; XExtDisplayInfo *info = (XExtDisplayInfo *) xp_find_display (dpy); if (XpCheckExtInit(dpy, XP_INITIAL_RELEASE) == -1) return; /* NoSuchExtension */ LockDisplay (dpy); GetReq(PrintRehashPrinterList,req); req->reqType = info->codes->major_opcode; req->printReqType = X_PrintRehashPrinterList; UnlockDisplay (dpy); SyncHandle (); }