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Seek all Windows print functions in winspool.drv.

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Rather than loading some from spoolss.dll, which some MSDN documentation
suggests, but which doesn't work very well in practice.
(Also, remove an unused variable.)
This commit is contained in:
Jacob Nevins 2017-06-15 23:33:57 +01:00
parent a9e1053c8a
commit 892d4a0188
1 changed files with 12 additions and 7 deletions
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19
windows/winprint.c
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@ -33,20 +33,25 @@ DECL_WINDOWS_FUNCTION(static, BOOL, WritePrinter,
static void init_winfuncs(void)
{
static int initialised = FALSE;
char buf[4096];
if (initialised)
return;
{
HMODULE winspool_module = load_system32_dll("winspool.drv");
HMODULE spoolss_module = load_system32_dll("spoolss.dll");
/* Some MSDN documentation claims that some of the below functions
* should be loaded from spoolss.dll, but this doesn't seem to
* be reliable in practice.
* Nevertheless, we load spoolss.dll ourselves using our safe
* loading method, against the possibility that winspool.drv
* later loads it unsafely. */
(void) load_system32_dll("spoolss.dll");
GET_WINDOWS_FUNCTION_PP(winspool_module, EnumPrinters);
GET_WINDOWS_FUNCTION_PP(winspool_module, OpenPrinter);
GET_WINDOWS_FUNCTION_PP(spoolss_module, ClosePrinter);
GET_WINDOWS_FUNCTION_PP(winspool_module, ClosePrinter);
GET_WINDOWS_FUNCTION_PP(winspool_module, StartDocPrinter);
GET_WINDOWS_FUNCTION_PP(spoolss_module, EndDocPrinter);
GET_WINDOWS_FUNCTION_PP(spoolss_module, StartPagePrinter);
GET_WINDOWS_FUNCTION_PP(spoolss_module, EndPagePrinter);
GET_WINDOWS_FUNCTION_PP(spoolss_module, WritePrinter);
GET_WINDOWS_FUNCTION_PP(winspool_module, EndDocPrinter);
GET_WINDOWS_FUNCTION_PP(winspool_module, StartPagePrinter);
GET_WINDOWS_FUNCTION_PP(winspool_module, EndPagePrinter);
GET_WINDOWS_FUNCTION_PP(winspool_module, WritePrinter);
}
initialised = TRUE;
}