Enable ANSI colors on Windows 10+ (#311)

* Enable ANSI colors on Windows 10+

On older versions function will silently fail without any ill effects

* Do not call SetConsoleMode if the mode is already set

* Update main.cpp

---------

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
This commit is contained in:
anzz1 2023-03-21 18:14:46 +02:00 committed by GitHub
parent 1daf4dd712
commit c86ba036e6
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@ -20,6 +20,13 @@
#include <signal.h>
#endif
#if defined (_WIN32)
#pragma comment(lib,"kernel32.lib")
extern "C" __declspec(dllimport) void* __stdcall GetStdHandle(unsigned long nStdHandle);
extern "C" __declspec(dllimport) int __stdcall GetConsoleMode(void* hConsoleHandle, unsigned long* lpMode);
extern "C" __declspec(dllimport) int __stdcall SetConsoleMode(void* hConsoleHandle, unsigned long dwMode);
#endif
#define ANSI_COLOR_RED "\x1b[31m"
#define ANSI_COLOR_GREEN "\x1b[32m"
#define ANSI_COLOR_YELLOW "\x1b[33m"
@ -946,6 +953,14 @@ int main(int argc, char ** argv) {
// set the color for the prompt which will be output initially
if (params.use_color) {
#if defined (_WIN32)
// Enable ANSI colors on Windows 10+
unsigned long dwMode = 0;
void* hConOut = GetStdHandle((unsigned long)-11); // STD_OUTPUT_HANDLE (-11)
if (hConOut && hConOut != (void*)-1 && GetConsoleMode(hConOut, &dwMode) && !(dwMode & 0x4)) {
SetConsoleMode(hConOut, dwMode | 0x4); // ENABLE_VIRTUAL_TERMINAL_PROCESSING (0x4)
}
#endif
printf(ANSI_COLOR_YELLOW);
}