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Load system modules with full paths

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6647 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
anders_k 2015-11-29 13:54:35 +00:00
parent 3e416abd5c
commit 726bf760cd
5 changed files with 53 additions and 33 deletions
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30
Contrib/Dialer/dialer.c
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@ -16,20 +16,32 @@ BOOL WINAPI DllMain(HINSTANCE hInst, ULONG ul_reason_for_call, LPVOID lpReserved
* LOADER *
\*************/
HMODULE hWinInet = NULL;
HMODULE g_hWinInet = NULL;
// GetProcAddress only takes ANSI.
FARPROC GetWinInetFunc(char *func) {
hWinInet = LoadLibrary(_T("wininet.dll"));
if (hWinInet)
return GetProcAddress(hWinInet, func);
HMODULE NSISCALL LoadSystemLibrary(LPCSTR name) {
LPCTSTR fmt = sizeof(*fmt) > 1 ? TEXT("%s%S.dll") : TEXT("%s%s.dll"); // The module name is always ANSI
BYTE bytebuf[(MAX_PATH+1+20+1+3+!0) * sizeof(*fmt)]; // 20+4 is more than enough for
LPTSTR path = (LPTSTR) bytebuf; // the dllnames we are using.
UINT cch = GetSystemDirectory(path, MAX_PATH);
if (cch > MAX_PATH) // MAX_PATH was somehow not large enough and we don't support
cch = 0; // \\?\ paths so we have to settle for just the name.
wsprintf(path + cch, fmt, TEXT("\\") + (!cch || path[cch-1] == '\\'), name);
return LoadLibrary(path);
}
FARPROC GetWinInetFunc(LPCSTR funcname) {
g_hWinInet = LoadSystemLibrary("WININET");
if (g_hWinInet)
return GetProcAddress(g_hWinInet, funcname);
return NULL;
}
void FreeWinInet() {
if (hWinInet)
FreeLibrary(hWinInet);
hWinInet = NULL;
if (g_hWinInet)
FreeLibrary(g_hWinInet);
g_hWinInet = NULL;
}
/*************\