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[c-host] initial agnostic option api and parser

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This commit is contained in:
Geoffrey McRae 2019-05-09 22:06:58 +10:00
parent 22f9fa3938
commit e7345b9711
9 changed files with 465 additions and 101 deletions
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112
c-host/platform/Windows/src/platform.c
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@ -110,11 +110,6 @@ static BOOL WINAPI CtrlHandler(DWORD dwCtrlType)
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
int result = 0;
HDEVINFO deviceInfoSet;
PSP_DEVICE_INTERFACE_DETAIL_DATA infData = NULL;
SP_DEVICE_INTERFACE_DATA deviceInterfaceData;
// convert the command line to the standard argc and argv
LPWSTR * wargv = CommandLineToArgvW(GetCommandLineW(), &app.argc);
app.argv = malloc(sizeof(char *) * app.argc);
@ -143,57 +138,6 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
// always flush stderr
setbuf(stderr, NULL);
deviceInfoSet = SetupDiGetClassDevs(NULL, NULL, NULL, DIGCF_PRESENT | DIGCF_ALLCLASSES | DIGCF_DEVICEINTERFACE);
memset(&deviceInterfaceData, 0, sizeof(SP_DEVICE_INTERFACE_DATA));
deviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
if (SetupDiEnumDeviceInterfaces(deviceInfoSet, NULL, &GUID_DEVINTERFACE_IVSHMEM, 0, &deviceInterfaceData) == FALSE)
{
DWORD error = GetLastError();
if (error == ERROR_NO_MORE_ITEMS)
{
DEBUG_WINERROR("Unable to enumerate the device, is it attached?", error);
result = -1;
goto finish;
}
DEBUG_WINERROR("SetupDiEnumDeviceInterfaces failed", error);
result = -1;
goto finish;
}
DWORD reqSize = 0;
SetupDiGetDeviceInterfaceDetail(deviceInfoSet, &deviceInterfaceData, NULL, 0, &reqSize, NULL);
if (!reqSize)
{
DEBUG_WINERROR("SetupDiGetDeviceInterfaceDetail", GetLastError());
result = -1;
goto finish;
}
infData = (PSP_DEVICE_INTERFACE_DETAIL_DATA)calloc(reqSize, 1);
infData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
if (!SetupDiGetDeviceInterfaceDetail(deviceInfoSet, &deviceInterfaceData, infData, reqSize, NULL, NULL))
{
free(infData);
DEBUG_WINERROR("SetupDiGetDeviceInterfaceDetail", GetLastError());
result = -1;
goto finish;
}
app.shmemHandle = CreateFile(infData->DevicePath, 0, 0, NULL, OPEN_EXISTING, 0, 0);
if (app.shmemHandle == INVALID_HANDLE_VALUE)
{
SetupDiDestroyDeviceInfoList(deviceInfoSet);
free(infData);
DEBUG_WINERROR("CreateFile returned INVALID_HANDLE_VALUE", GetLastError());
result = -1;
goto finish;
}
free(infData);
SetupDiDestroyDeviceInfoList(deviceInfoSet);
// setup a handler for ctrl+c
SetConsoleCtrlHandler(CtrlHandler, TRUE);
@ -260,6 +204,62 @@ finish:
return result;
}
bool app_init()
{
int result = 0;
HDEVINFO deviceInfoSet;
PSP_DEVICE_INTERFACE_DETAIL_DATA infData = NULL;
SP_DEVICE_INTERFACE_DATA deviceInterfaceData;
deviceInfoSet = SetupDiGetClassDevs(NULL, NULL, NULL, DIGCF_PRESENT | DIGCF_ALLCLASSES | DIGCF_DEVICEINTERFACE);
memset(&deviceInterfaceData, 0, sizeof(SP_DEVICE_INTERFACE_DATA));
deviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
if (SetupDiEnumDeviceInterfaces(deviceInfoSet, NULL, &GUID_DEVINTERFACE_IVSHMEM, 0, &deviceInterfaceData) == FALSE)
{
DWORD error = GetLastError();
if (error == ERROR_NO_MORE_ITEMS)
{
DEBUG_WINERROR("Unable to enumerate the device, is it attached?", error);
return false;
}
DEBUG_WINERROR("SetupDiEnumDeviceInterfaces failed", error);
return false;
}
DWORD reqSize = 0;
SetupDiGetDeviceInterfaceDetail(deviceInfoSet, &deviceInterfaceData, NULL, 0, &reqSize, NULL);
if (!reqSize)
{
DEBUG_WINERROR("SetupDiGetDeviceInterfaceDetail", GetLastError());
return false;
}
infData = (PSP_DEVICE_INTERFACE_DETAIL_DATA)calloc(reqSize, 1);
infData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
if (!SetupDiGetDeviceInterfaceDetail(deviceInfoSet, &deviceInterfaceData, infData, reqSize, NULL, NULL))
{
free(infData);
DEBUG_WINERROR("SetupDiGetDeviceInterfaceDetail", GetLastError());
return false;
}
app.shmemHandle = CreateFile(infData->DevicePath, 0, 0, NULL, OPEN_EXISTING, 0, 0);
if (app.shmemHandle == INVALID_HANDLE_VALUE)
{
SetupDiDestroyDeviceInfoList(deviceInfoSet);
free(infData);
DEBUG_WINERROR("CreateFile returned INVALID_HANDLE_VALUE", GetLastError());
return false;
}
free(infData);
SetupDiDestroyDeviceInfoList(deviceInfoSet);
return true;
}
const char * os_getExecutable()
{
return app.executable;