2021-10-26 12:18:07 +02:00
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/*
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* CUPS functions
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*
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* Copyright 2021 Huw Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#include <string.h>
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#ifdef HAVE_CUPS_CUPS_H
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#include <cups/cups.h>
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#endif
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#ifdef HAVE_CUPS_PPD_H
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#include <cups/ppd.h>
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#endif
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "winreg.h"
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#include "wingdi.h"
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#include "winspool.h"
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#include "ddk/winsplp.h"
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#include "wine/debug.h"
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2021-10-26 12:18:10 +02:00
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#include "wine/unicode.h"
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2021-10-26 12:18:07 +02:00
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#include "wspool.h"
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WINE_DEFAULT_DEBUG_CHANNEL(winspool);
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2021-10-26 12:18:10 +02:00
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/* Temporary helpers until switch to unixlib */
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#include "winnls.h"
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#include "wine/heap.h"
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#define malloc( sz ) heap_alloc( sz )
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#define free( ptr ) heap_free( ptr )
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static DWORD ntdll_umbstowcs( const char *src, DWORD srclen, WCHAR *dst, DWORD dstlen )
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{
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return MultiByteToWideChar( CP_UNIXCP, 0, src, srclen, dst, dstlen );
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}
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2021-10-26 12:18:07 +02:00
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#ifdef SONAME_LIBCUPS
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void *libcups_handle = NULL;
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#define CUPS_FUNCS \
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DO_FUNC(cupsAddOption); \
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DO_FUNC(cupsFreeDests); \
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DO_FUNC(cupsFreeOptions); \
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DO_FUNC(cupsGetDests); \
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DO_FUNC(cupsGetOption); \
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DO_FUNC(cupsParseOptions); \
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DO_FUNC(cupsPrintFile)
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#define CUPS_OPT_FUNCS \
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DO_FUNC(cupsGetNamedDest); \
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DO_FUNC(cupsGetPPD); \
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DO_FUNC(cupsGetPPD3); \
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DO_FUNC(cupsLastErrorString)
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#define DO_FUNC(f) typeof(f) *p##f = NULL
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CUPS_FUNCS;
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#undef DO_FUNC
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cups_dest_t * (*pcupsGetNamedDest)(http_t *, const char *, const char *) = NULL;
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const char * (*pcupsGetPPD)(const char *) = NULL;
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http_status_t (*pcupsGetPPD3)(http_t *, const char *, time_t *, char *, size_t) = NULL;
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const char * (*pcupsLastErrorString)(void) = NULL;
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#endif /* SONAME_LIBCUPS */
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NTSTATUS unix_process_attach( void *arg )
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{
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#ifdef SONAME_LIBCUPS
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libcups_handle = dlopen( SONAME_LIBCUPS, RTLD_NOW );
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TRACE( "%p: %s loaded\n", libcups_handle, SONAME_LIBCUPS );
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if (!libcups_handle) return STATUS_DLL_NOT_FOUND;
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#define DO_FUNC(x) \
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p##x = dlsym( libcups_handle, #x ); \
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if (!p##x) \
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{ \
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ERR( "failed to load symbol %s\n", #x ); \
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libcups_handle = NULL; \
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return STATUS_ENTRYPOINT_NOT_FOUND; \
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}
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CUPS_FUNCS;
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#undef DO_FUNC
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#define DO_FUNC(x) p##x = dlsym( libcups_handle, #x )
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CUPS_OPT_FUNCS;
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#undef DO_FUNC
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return STATUS_SUCCESS;
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#else /* SONAME_LIBCUPS */
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return STATUS_NOT_SUPPORTED;
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#endif /* SONAME_LIBCUPS */
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}
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2021-10-26 12:18:10 +02:00
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#ifdef SONAME_LIBCUPS
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static WCHAR *cups_get_optionW( const char *opt_name, int num_options, cups_option_t *options )
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{
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const char *value;
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WCHAR *ret;
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int len;
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value = pcupsGetOption( opt_name, num_options, options );
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if (!value) return NULL;
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len = strlen( value ) + 1;
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ret = malloc( len * sizeof(WCHAR) );
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if (ret) ntdll_umbstowcs( value, len, ret, len );
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return ret;
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}
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static cups_ptype_t cups_get_printer_type( const cups_dest_t *dest )
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{
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const char *value;
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cups_ptype_t ret;
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char *end;
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value = pcupsGetOption( "printer-type", dest->num_options, dest->options );
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if (!value) return 0;
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ret = (cups_ptype_t)strtoul( value, &end, 10 );
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if (*end) ret = 0;
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return ret;
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}
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static BOOL cups_is_scanner( cups_dest_t *dest )
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{
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return cups_get_printer_type( dest ) & 0x2000000 /* CUPS_PRINTER_SCANNER */;
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}
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#endif /* SONAME_LIBCUPS */
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NTSTATUS unix_enum_printers( void *args )
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{
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struct enum_printers_params *params = args;
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#ifdef SONAME_LIBCUPS
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unsigned int num, i, name_len, comment_len, location_len, needed;
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WCHAR *comment, *location, *ptr;
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struct printer_info *info;
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cups_dest_t *dests;
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params->num = 0;
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if (!pcupsGetDests) return STATUS_NOT_SUPPORTED;
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num = pcupsGetDests( &dests );
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for (i = 0; i < num; i++)
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{
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if (cups_is_scanner( dests + i ))
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{
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TRACE( "Printer %d: %s - skipping scanner\n", i, debugstr_a( dests[i].name ) );
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continue;
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}
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TRACE( "Printer %d: %s\n", i, debugstr_a( dests[i].name ) );
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params->num++;
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}
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needed = sizeof( *info ) * params->num;
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info = params->printers;
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ptr = (WCHAR *)(info + params->num);
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for (i = 0; i < num; i++)
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{
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if (cups_is_scanner( dests + i )) continue;
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comment = cups_get_optionW( "printer-info", dests[i].num_options, dests[i].options );
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location = cups_get_optionW( "printer-location", dests[i].num_options, dests[i].options );
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name_len = strlen( dests[i].name ) + 1;
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comment_len = comment ? strlenW( comment ) + 1 : 0;
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location_len = location ? strlenW( location ) + 1 : 0;
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needed += (name_len + comment_len + location_len) * sizeof(WCHAR);
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if (needed <= params->size)
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{
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info->name = ptr;
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ntdll_umbstowcs( dests[i].name, name_len, info->name, name_len );
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info->comment = comment ? ptr + name_len : NULL;
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memcpy( info->comment, comment, comment_len * sizeof(WCHAR) );
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info->location = location ? ptr + name_len + comment_len : NULL;
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memcpy( info->location, location, location_len * sizeof(WCHAR) );
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info->is_default = dests[i].is_default;
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info++;
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ptr += name_len + comment_len + location_len;
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}
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free( comment );
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free( location );
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}
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pcupsFreeDests( num, dests );
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if (needed > params->size)
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{
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params->size = needed;
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return STATUS_BUFFER_OVERFLOW;
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}
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return STATUS_SUCCESS;
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#else
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params->num = 0;
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return STATUS_NOT_SUPPORTED;
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#endif /* SONAME_LIBCUPS */
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}
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