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Create a branch for header work.

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svn path=/branches/header-work/; revision=45691
This commit is contained in:
Timo Kreuzer 2010-02-26 22:57:55 +00:00
parent 14fe274b1c
commit 9ea495ba33
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lib/sdk/delayimp/delayimp.c Normal file
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/*
* PROJECT: ReactOS SDK Library
* LICENSE: LGPL, see LGPL.txt in top level directory.
* FILE: lib/sdk/delayimp/delayimp.c
* PURPOSE: Library for delay importing from dlls
* PROGRAMMERS: Timo Kreuzer <timo.kreuzer@reactos.org>
*
*/
#include <windows.h>
#include <delayimp.h>
/**** load helper ****/
FARPROC WINAPI
__delayLoadHelper2(PCImgDelayDescr pidd, PImgThunkData pIATEntry)
{
DelayLoadInfo dli;
int index;
PImgThunkData pIAT;
PImgThunkData pINT;
HMODULE *phMod;
FARPROC pProc;
pIAT = PFromRva(pidd->rvaIAT);
pINT = PFromRva(pidd->rvaINT);
phMod = PFromRva(pidd->rvaHmod);
index = IndexFromPImgThunkData(pIATEntry, pIAT);
dli.cb = sizeof(dli);
dli.pidd = pidd;
dli.ppfn = (FARPROC*)pIATEntry->u1.Function;
dli.szDll = PFromRva(pidd->rvaDLLName);
dli.dlp.fImportByName = !(pINT[index].u1.Ordinal & IMAGE_ORDINAL_FLAG);
if (dli.dlp.fImportByName)
{
/* u1.AdressOfData points to a IMAGE_IMPORT_BY_NAME struct */
PIMAGE_IMPORT_BY_NAME piibn = PFromRva((RVA)pINT[index].u1.AddressOfData);
dli.dlp.szProcName = (LPCSTR)&piibn->Name;
}
else
{
dli.dlp.dwOrdinal = pINT[index].u1.Ordinal & ~IMAGE_ORDINAL_FLAG;
}
dli.hmodCur = *phMod;
dli.pfnCur = (FARPROC)pIAT[index].u1.Function;
dli.dwLastError = GetLastError();
pProc = __pfnDliNotifyHook2(dliStartProcessing, &dli);
if (pProc)
{
pIAT[index].u1.Function = (DWORD_PTR)pProc;
return pProc;
}
if (dli.hmodCur == NULL)
{
dli.hmodCur = LoadLibraryA(dli.szDll);
if (!dli.hmodCur)
{
dli.dwLastError = GetLastError();
__pfnDliFailureHook2(dliFailLoadLib, &dli);
// if (ret)
// {
// }
// FIXME: raise exception;
return NULL;
}
*phMod = dli.hmodCur;
}
/* dli.dlp.szProcName might also contain the ordinal */
pProc = GetProcAddress(dli.hmodCur, dli.dlp.szProcName);
if (!pProc)
{
dli.dwLastError = GetLastError();
__pfnDliFailureHook2(dliFailGetProc, &dli);
// FIXME: handle return value & raise exception
return NULL;
}
pIAT[index].u1.Function = (DWORD_PTR)pProc;
return pProc;
}
/*** The default hooks ***/
FARPROC WINAPI
DefaultDliNotifyHook2(unsigned dliNotify, PDelayLoadInfo pdli)
{
return NULL;
}
FARPROC WINAPI
DefaultDliFailureHook2(unsigned dliNotify, PDelayLoadInfo pdli)
{
return NULL;
}
PfnDliHook __pfnDliNotifyHook2 = DefaultDliNotifyHook2;
PfnDliHook __pfnDliFailureHook2 = DefaultDliFailureHook2;