devilutionX/Source/utils/console.cpp
2021-04-16 03:57:22 +02:00

78 lines
1.4 KiB
C++

#include "./console.h"
#if defined(_WIN64) || defined(_WIN32)
#include <cstddef>
#include <cstdio>
// Suppress definitions of `min` and `max` macros by <windows.h>:
#define NOMINMAX 1
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
namespace devilution {
namespace {
HANDLE GetStderrHandle()
{
static HANDLE handle = NULL;
if (handle == NULL) {
if (AttachConsole(ATTACH_PARENT_PROCESS)) {
handle = GetStdHandle(STD_ERROR_HANDLE);
}
}
return handle;
}
} // namespace
void printInConsole(const char *fmt, ...)
{
HANDLE handle = GetStderrHandle();
if (handle == NULL)
return;
char message[4096];
va_list ap;
va_start(ap, fmt);
std::vsnprintf(message, sizeof(message), fmt, ap);
va_end(ap);
WriteConsole(handle, message, strlen(message), NULL, NULL);
}
void printInConsoleV(const char *fmt, va_list ap)
{
HANDLE handle = GetStderrHandle();
if (handle == NULL)
return;
char message[4096];
std::vsnprintf(message, sizeof(message), fmt, ap);
if (handle == NULL)
return;
WriteConsole(handle, message, strlen(message), NULL, NULL);
}
} // namespace devilution
#else
#include <cstdio>
namespace devilution {
void printInConsole(const char *fmt, ...)
{
std::va_list ap;
va_start(ap, fmt);
std::vfprintf(stderr, fmt, ap);
va_end(ap);
}
void printInConsoleV(const char *fmt, std::va_list ap)
{
std::vfprintf(stderr, fmt, ap);
}
} // namespace devilution
#endif