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[c-host] windows: add log file output option

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This commit is contained in:
Geoffrey McRae 2019-05-17 09:26:42 +10:00
parent a7daeb2a12
commit 0ba931cbed
2 changed files with 29 additions and 22 deletions
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2
VERSION
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@ -1 +1 @@
a12-187-g2fe9dc7ca1+1
a12-188-ga7daeb2a12+1

49
c-host/platform/Windows/src/platform.c
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@ -113,19 +113,33 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
{
int result = 0;
char tempPath[MAX_PATH+1];
GetTempPathA(sizeof(tempPath), tempPath);
int len = snprintf(NULL, 0, "%slooking-glass-host.txt", tempPath);
char * logFilePath = malloc(len + 1);
sprintf(logFilePath, "%slooking-glass-host.txt", tempPath);
struct Option options[] =
{
{
.module = "os",
.name = "shmDevice",
.description = "The IVSHMEM device to use",
.type = OPTION_TYPE_INT,
.value.x_int = 0
.module = "os",
.name = "shmDevice",
.description = "The IVSHMEM device to use",
.type = OPTION_TYPE_INT,
.value.x_int = 0
},
{
.module = "os",
.name = "logFile",
.description = "The log file to write to",
.type = OPTION_TYPE_STRING,
.value.x_string = logFilePath
},
{0}
};
option_register(options);
free(logFilePath);
// convert the command line to the standard argc and argv
LPWSTR * wargv = CommandLineToArgvW(GetCommandLineW(), &app.argc);
@ -141,20 +155,6 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
GetModuleFileName(NULL, app.executable, sizeof(app.executable));
// redirect stderr to a file
{
char tempPath[MAX_PATH+1];
GetTempPathA(sizeof(tempPath), tempPath);
int len = snprintf(NULL, 0, "%slooking-glass-host.txt", tempPath);
char * path = malloc(len + 1);
sprintf(path, "%slooking-glass-host.txt", tempPath);
freopen(path, "a", stderr);
free(path);
}
// always flush stderr
setbuf(stderr, NULL);
// setup a handler for ctrl+c
SetConsoleCtrlHandler(CtrlHandler, TRUE);
@ -198,7 +198,6 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
goto shutdown;
}
DEBUG_INFO("Platform shutdown");
break;
}
@ -225,7 +224,15 @@ finish:
bool app_init()
{
int shmDevice = option_get_int("os", "shmDevice");
const int shmDevice = option_get_int ("os", "shmDevice");
const char * logFile = option_get_string("os", "logFile" );
// redirect stderr to a file
if (logFile && strcmp(logFile, "stderr") != 0)
freopen(logFile, "a", stderr);
// always flush stderr
setbuf(stderr, NULL);
HDEVINFO deviceInfoSet;
PSP_DEVICE_INTERFACE_DETAIL_DATA infData = NULL;