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winspool: Implement EnumPrintProcessors[A|W].

This commit is contained in:
Detlef Riekenberg 2009-10-14 23:45:00 +02:00 committed by Alexandre Julliard
parent 212d1e36bf
commit 353fe2ed15
1 changed files with 140 additions and 9 deletions
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149
dlls/winspool.drv/info.c
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@ -6634,26 +6634,157 @@ BOOL WINAPI EnumPrintProcessorDatatypesW(LPWSTR pName, LPWSTR pPrintProcessorNam
/*****************************************************************************
* EnumPrintProcessorsA [WINSPOOL.@]
*
* See EnumPrintProcessorsW.
*
*/
BOOL WINAPI EnumPrintProcessorsA(LPSTR pName, LPSTR pEnvironment, DWORD Level,
LPBYTE pPrintProcessorInfo, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcbReturned)
LPBYTE pPPInfo, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned)
{
FIXME("Stub: %s %s %d %p %d %p %p\n", pName, pEnvironment, Level,
pPrintProcessorInfo, cbBuf, pcbNeeded, pcbReturned);
return FALSE;
BOOL res;
LPBYTE bufferW = NULL;
LPWSTR nameW = NULL;
LPWSTR envW = NULL;
DWORD needed = 0;
DWORD numentries = 0;
INT len;
TRACE("(%s, %s, %d, %p, %d, %p, %p)\n", debugstr_a(pName), debugstr_a(pEnvironment),
Level, pPPInfo, cbBuf, pcbNeeded, pcReturned);
/* convert names to unicode */
if (pName) {
len = MultiByteToWideChar(CP_ACP, 0, pName, -1, NULL, 0);
nameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, pName, -1, nameW, len);
}
if (pEnvironment) {
len = MultiByteToWideChar(CP_ACP, 0, pEnvironment, -1, NULL, 0);
envW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, pEnvironment, -1, envW, len);
}
/* alloc (userbuffersize*sizeof(WCHAR) and try to enum the monitors */
needed = cbBuf * sizeof(WCHAR);
if (needed) bufferW = HeapAlloc(GetProcessHeap(), 0, needed);
res = EnumPrintProcessorsW(nameW, envW, Level, bufferW, needed, pcbNeeded, pcReturned);
if(!res && (GetLastError() == ERROR_INSUFFICIENT_BUFFER)) {
if (pcbNeeded) needed = *pcbNeeded;
/* HeapReAlloc return NULL, when bufferW was NULL */
bufferW = (bufferW) ? HeapReAlloc(GetProcessHeap(), 0, bufferW, needed) :
HeapAlloc(GetProcessHeap(), 0, needed);
/* Try again with the large Buffer */
res = EnumPrintProcessorsW(nameW, envW, Level, bufferW, needed, pcbNeeded, pcReturned);
}
numentries = pcReturned ? *pcReturned : 0;
needed = 0;
if (res) {
/* EnumPrintProcessorsW collected all Data. Parse them to calculate ANSI-Size */
DWORD index;
LPSTR ptr;
PPRINTPROCESSOR_INFO_1W ppiw;
PPRINTPROCESSOR_INFO_1A ppia;
/* First pass: calculate the size for all Entries */
ppiw = (PPRINTPROCESSOR_INFO_1W) bufferW;
ppia = (PPRINTPROCESSOR_INFO_1A) pPPInfo;
index = 0;
while (index < numentries) {
index++;
needed += sizeof(PRINTPROCESSOR_INFO_1A);
TRACE("%p: parsing #%d (%s)\n", ppiw, index, debugstr_w(ppiw->pName));
needed += WideCharToMultiByte(CP_ACP, 0, ppiw->pName, -1,
NULL, 0, NULL, NULL);
ppiw = (PPRINTPROCESSOR_INFO_1W) (((LPBYTE)ppiw) + sizeof(PRINTPROCESSOR_INFO_1W));
ppia = (PPRINTPROCESSOR_INFO_1A) (((LPBYTE)ppia) + sizeof(PRINTPROCESSOR_INFO_1A));
}
/* check for errors and quit on failure */
if (cbBuf < needed) {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
res = FALSE;
goto epp_cleanup;
}
len = numentries * sizeof(PRINTPROCESSOR_INFO_1A); /* room for structs */
ptr = (LPSTR) &pPPInfo[len]; /* start of strings */
cbBuf -= len ; /* free Bytes in the user-Buffer */
ppiw = (PPRINTPROCESSOR_INFO_1W) bufferW;
ppia = (PPRINTPROCESSOR_INFO_1A) pPPInfo;
index = 0;
/* Second Pass: Fill the User Buffer (if we have one) */
while ((index < numentries) && pPPInfo) {
index++;
TRACE("%p: writing PRINTPROCESSOR_INFO_1A #%d\n", ppia, index);
ppia->pName = ptr;
len = WideCharToMultiByte(CP_ACP, 0, ppiw->pName, -1,
ptr, cbBuf , NULL, NULL);
ptr += len;
cbBuf -= len;
ppiw = (PPRINTPROCESSOR_INFO_1W) (((LPBYTE)ppiw) + sizeof(PRINTPROCESSOR_INFO_1W));
ppia = (PPRINTPROCESSOR_INFO_1A) (((LPBYTE)ppia) + sizeof(PRINTPROCESSOR_INFO_1A));
}
}
epp_cleanup:
if (pcbNeeded) *pcbNeeded = needed;
if (pcReturned) *pcReturned = (res) ? numentries : 0;
HeapFree(GetProcessHeap(), 0, nameW);
HeapFree(GetProcessHeap(), 0, envW);
HeapFree(GetProcessHeap(), 0, bufferW);
TRACE("returning %d with %d (%d byte for %d entries)\n",
(res), GetLastError(), needed, numentries);
return (res);
}
/*****************************************************************************
* EnumPrintProcessorsW [WINSPOOL.@]
*
* Enumerate available Print Processors
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* pEnvironment [I] Printing-Environment or NULL (Default)
* Level [I] Structure-Level (Only 1 is allowed)
* pPPInfo [O] PTR to Buffer that receives the Result
* cbBuf [I] Size of Buffer at pMonitors
* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used / required for pPPInfo
* pcReturned [O] PTR to DWORD that receives the number of Print Processors in pPPInfo
*
* RETURNS
* Success: TRUE
* Failure: FALSE and in pcbNeeded the Bytes required for pPPInfo, if cbBuf is too small
*
*/
BOOL WINAPI EnumPrintProcessorsW(LPWSTR pName, LPWSTR pEnvironment, DWORD Level,
LPBYTE pPrintProcessorInfo, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcbReturned)
LPBYTE pPPInfo, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned)
{
FIXME("Stub: %s %s %d %p %d %p %p\n", debugstr_w(pName),
debugstr_w(pEnvironment), Level, pPrintProcessorInfo,
cbBuf, pcbNeeded, pcbReturned);
return FALSE;
TRACE("(%s, %s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), debugstr_w(pEnvironment),
Level, pPPInfo, cbBuf, pcbNeeded, pcReturned);
if ((backend == NULL) && !load_backend()) return FALSE;
if (!pcbNeeded || !pcReturned) {
SetLastError(RPC_X_NULL_REF_POINTER);
return FALSE;
}
if (!pPPInfo && (cbBuf > 0)) {
SetLastError(ERROR_INVALID_USER_BUFFER);
return FALSE;
}
return backend->fpEnumPrintProcessors(pName, pEnvironment, Level, pPPInfo,
cbBuf, pcbNeeded, pcReturned);
}
/*****************************************************************************