winspool: Implement EnumPrintProcessors[A|W].
This commit is contained in:
Detlef Riekenberg
Alexandre Julliard
parent
212d1e36bf
commit
353fe2ed15
@ -6634,26 +6634,157 @@ BOOL WINAPI EnumPrintProcessorDatatypesW(LPWSTR pName, LPWSTR pPrintProcessorNam
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/*****************************************************************************
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/*****************************************************************************
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* EnumPrintProcessorsA [WINSPOOL.@]
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* EnumPrintProcessorsA [WINSPOOL.@]
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*
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*
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* See EnumPrintProcessorsW.
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*
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*/
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*/
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BOOL WINAPI EnumPrintProcessorsA(LPSTR pName, LPSTR pEnvironment, DWORD Level,
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BOOL WINAPI EnumPrintProcessorsA(LPSTR pName, LPSTR pEnvironment, DWORD Level,
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LPBYTE pPrintProcessorInfo, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcbReturned)
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LPBYTE pPPInfo, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned)
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{
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{
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FIXME("Stub: %s %s %d %p %d %p %p\n", pName, pEnvironment, Level,
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BOOL res;
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pPrintProcessorInfo, cbBuf, pcbNeeded, pcbReturned);
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LPBYTE bufferW = NULL;
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return FALSE;
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LPWSTR nameW = NULL;
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LPWSTR envW = NULL;
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DWORD needed = 0;
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DWORD numentries = 0;
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INT len;
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TRACE("(%s, %s, %d, %p, %d, %p, %p)\n", debugstr_a(pName), debugstr_a(pEnvironment),
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Level, pPPInfo, cbBuf, pcbNeeded, pcReturned);
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/* convert names to unicode */
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if (pName) {
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len = MultiByteToWideChar(CP_ACP, 0, pName, -1, NULL, 0);
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nameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
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MultiByteToWideChar(CP_ACP, 0, pName, -1, nameW, len);
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}
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if (pEnvironment) {
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len = MultiByteToWideChar(CP_ACP, 0, pEnvironment, -1, NULL, 0);
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envW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
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MultiByteToWideChar(CP_ACP, 0, pEnvironment, -1, envW, len);
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}
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/* alloc (userbuffersize*sizeof(WCHAR) and try to enum the monitors */
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needed = cbBuf * sizeof(WCHAR);
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if (needed) bufferW = HeapAlloc(GetProcessHeap(), 0, needed);
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res = EnumPrintProcessorsW(nameW, envW, Level, bufferW, needed, pcbNeeded, pcReturned);
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if(!res && (GetLastError() == ERROR_INSUFFICIENT_BUFFER)) {
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if (pcbNeeded) needed = *pcbNeeded;
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/* HeapReAlloc return NULL, when bufferW was NULL */
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bufferW = (bufferW) ? HeapReAlloc(GetProcessHeap(), 0, bufferW, needed) :
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HeapAlloc(GetProcessHeap(), 0, needed);
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/* Try again with the large Buffer */
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res = EnumPrintProcessorsW(nameW, envW, Level, bufferW, needed, pcbNeeded, pcReturned);
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}
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numentries = pcReturned ? *pcReturned : 0;
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needed = 0;
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if (res) {
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/* EnumPrintProcessorsW collected all Data. Parse them to calculate ANSI-Size */
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DWORD index;
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LPSTR ptr;
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PPRINTPROCESSOR_INFO_1W ppiw;
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PPRINTPROCESSOR_INFO_1A ppia;
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/* First pass: calculate the size for all Entries */
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ppiw = (PPRINTPROCESSOR_INFO_1W) bufferW;
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ppia = (PPRINTPROCESSOR_INFO_1A) pPPInfo;
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index = 0;
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while (index < numentries) {
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index++;
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needed += sizeof(PRINTPROCESSOR_INFO_1A);
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TRACE("%p: parsing #%d (%s)\n", ppiw, index, debugstr_w(ppiw->pName));
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needed += WideCharToMultiByte(CP_ACP, 0, ppiw->pName, -1,
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NULL, 0, NULL, NULL);
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ppiw = (PPRINTPROCESSOR_INFO_1W) (((LPBYTE)ppiw) + sizeof(PRINTPROCESSOR_INFO_1W));
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ppia = (PPRINTPROCESSOR_INFO_1A) (((LPBYTE)ppia) + sizeof(PRINTPROCESSOR_INFO_1A));
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}
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/* check for errors and quit on failure */
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if (cbBuf < needed) {
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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res = FALSE;
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goto epp_cleanup;
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}
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len = numentries * sizeof(PRINTPROCESSOR_INFO_1A); /* room for structs */
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ptr = (LPSTR) &pPPInfo[len]; /* start of strings */
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cbBuf -= len ; /* free Bytes in the user-Buffer */
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ppiw = (PPRINTPROCESSOR_INFO_1W) bufferW;
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ppia = (PPRINTPROCESSOR_INFO_1A) pPPInfo;
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index = 0;
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/* Second Pass: Fill the User Buffer (if we have one) */
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while ((index < numentries) && pPPInfo) {
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index++;
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TRACE("%p: writing PRINTPROCESSOR_INFO_1A #%d\n", ppia, index);
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ppia->pName = ptr;
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len = WideCharToMultiByte(CP_ACP, 0, ppiw->pName, -1,
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ptr, cbBuf , NULL, NULL);
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ptr += len;
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cbBuf -= len;
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ppiw = (PPRINTPROCESSOR_INFO_1W) (((LPBYTE)ppiw) + sizeof(PRINTPROCESSOR_INFO_1W));
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ppia = (PPRINTPROCESSOR_INFO_1A) (((LPBYTE)ppia) + sizeof(PRINTPROCESSOR_INFO_1A));
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}
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}
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epp_cleanup:
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if (pcbNeeded) *pcbNeeded = needed;
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if (pcReturned) *pcReturned = (res) ? numentries : 0;
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HeapFree(GetProcessHeap(), 0, nameW);
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HeapFree(GetProcessHeap(), 0, envW);
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HeapFree(GetProcessHeap(), 0, bufferW);
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TRACE("returning %d with %d (%d byte for %d entries)\n",
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(res), GetLastError(), needed, numentries);
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return (res);
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}
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}
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/*****************************************************************************
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/*****************************************************************************
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* EnumPrintProcessorsW [WINSPOOL.@]
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* EnumPrintProcessorsW [WINSPOOL.@]
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*
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*
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* Enumerate available Print Processors
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*
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* PARAMS
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* pName [I] Servername or NULL (local Computer)
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* pEnvironment [I] Printing-Environment or NULL (Default)
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* Level [I] Structure-Level (Only 1 is allowed)
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* pPPInfo [O] PTR to Buffer that receives the Result
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* cbBuf [I] Size of Buffer at pMonitors
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* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used / required for pPPInfo
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* pcReturned [O] PTR to DWORD that receives the number of Print Processors in pPPInfo
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE and in pcbNeeded the Bytes required for pPPInfo, if cbBuf is too small
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*
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*/
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*/
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BOOL WINAPI EnumPrintProcessorsW(LPWSTR pName, LPWSTR pEnvironment, DWORD Level,
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BOOL WINAPI EnumPrintProcessorsW(LPWSTR pName, LPWSTR pEnvironment, DWORD Level,
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LPBYTE pPrintProcessorInfo, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcbReturned)
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LPBYTE pPPInfo, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned)
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{
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{
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FIXME("Stub: %s %s %d %p %d %p %p\n", debugstr_w(pName),
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debugstr_w(pEnvironment), Level, pPrintProcessorInfo,
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TRACE("(%s, %s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), debugstr_w(pEnvironment),
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cbBuf, pcbNeeded, pcbReturned);
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Level, pPPInfo, cbBuf, pcbNeeded, pcReturned);
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if ((backend == NULL) && !load_backend()) return FALSE;
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if (!pcbNeeded || !pcReturned) {
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SetLastError(RPC_X_NULL_REF_POINTER);
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return FALSE;
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return FALSE;
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}
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if (!pPPInfo && (cbBuf > 0)) {
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SetLastError(ERROR_INVALID_USER_BUFFER);
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return FALSE;
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}
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return backend->fpEnumPrintProcessors(pName, pEnvironment, Level, pPPInfo,
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cbBuf, pcbNeeded, pcReturned);
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}
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}
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/*****************************************************************************
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/*****************************************************************************
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