mirror of
https://github.com/TerryCavanagh/VVVVVV.git
synced 2024-12-23 01:59:43 +01:00
8426e0930d
The main issue was mostly that we have to build C files as C++ in some cases, and extern "C" wasn't being used everywhere, so linker errors popped up. The rest is the usual tedious VS2010 stuff like casting void* to other stuff, so this commit as a whole is pretty boring!
287 lines
6.2 KiB
C
287 lines
6.2 KiB
C
#include "Vlogging.h"
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#include <stdarg.h>
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#include <stdio.h>
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#ifdef __ANDROID__
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// forward to SDL logging on Android, since stdout/stderr are /dev/null
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#define VLOG_USE_SDL 1
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#endif
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#ifdef VLOG_USE_SDL
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# include <SDL_log.h>
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#elif defined(_WIN32)
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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#elif defined(__unix__) || defined(__APPLE__)
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# include <unistd.h>
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#endif
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#define COLOR(EXPR) (color_enabled && color_supported ? EXPR : "")
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#define Color_RESET COLOR("\x1b[0m")
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#define Color_BOLD COLOR("\x1b[1m")
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#define Color_BOLD_YELLOW COLOR("\x1b[1;33m")
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#define Color_BOLD_RED COLOR("\x1b[1;31m")
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#define Color_BOLD_GRAY COLOR("\x1b[1;90m")
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#ifdef __ANDROID__
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const int color_supported = 0;
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#else
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static int color_supported = 0;
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#endif
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static int output_enabled = 1;
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static int color_enabled = 1;
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static int debug_enabled = 0;
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static int info_enabled = 1;
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static int warn_enabled = 1;
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static int error_enabled = 1;
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static void check_color_support(void);
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void vlog_init(void)
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{
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#ifdef VLOG_USE_SDL
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SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_VERBOSE);
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#endif
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check_color_support();
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}
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void vlog_toggle_output(const int enable_output)
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{
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output_enabled = enable_output;
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}
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void vlog_toggle_color(const int enable_color)
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{
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color_enabled = enable_color;
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}
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void vlog_toggle_debug(const int enable_debug)
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{
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debug_enabled = enable_debug;
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}
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void vlog_toggle_info(const int enable_info)
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{
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info_enabled = enable_info;
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}
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void vlog_toggle_warn(const int enable_warn)
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{
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warn_enabled = enable_warn;
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}
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void vlog_toggle_error(const int enable_error)
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{
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error_enabled = enable_error;
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}
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SDL_PRINTF_VARARG_FUNC(1) void vlog_debug(const char* text, ...)
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{
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va_list list;
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if (!output_enabled || !debug_enabled)
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{
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return;
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}
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#ifdef VLOG_USE_SDL
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va_start(list, text);
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SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG, text, list);
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va_end(list);
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#else
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printf(Color_BOLD_GRAY);
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printf("[DEBUG]");
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printf(Color_RESET);
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printf(" ");
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va_start(list, text);
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vprintf(text, list);
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va_end(list);
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putchar('\n');
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#endif
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}
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SDL_PRINTF_VARARG_FUNC(1) void vlog_info(const char* text, ...)
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{
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va_list list;
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if (!output_enabled || !info_enabled)
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{
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return;
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}
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#ifdef VLOG_USE_SDL
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va_start(list, text);
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SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, text, list);
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va_end(list);
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#else
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printf(Color_BOLD);
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printf("[INFO]");
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printf(Color_RESET);
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printf(" ");
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va_start(list, text);
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vprintf(text, list);
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va_end(list);
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putchar('\n');
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#endif
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}
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SDL_PRINTF_VARARG_FUNC(1) void vlog_warn(const char* text, ...)
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{
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va_list list;
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if (!output_enabled || !warn_enabled)
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{
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return;
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}
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#ifdef VLOG_USE_SDL
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va_start(list, text);
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SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_WARN, text, list);
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va_end(list);
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#else
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fprintf(stderr, Color_BOLD_YELLOW);
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fprintf(stderr, "[WARN]");
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fprintf(stderr, Color_RESET);
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fprintf(stderr, " ");
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va_start(list, text);
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vfprintf(stderr, text, list);
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va_end(list);
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fputc('\n', stderr);
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#endif
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}
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SDL_PRINTF_VARARG_FUNC(1) void vlog_error(const char* text, ...)
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{
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va_list list;
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if (!output_enabled || !error_enabled)
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{
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return;
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}
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#ifdef VLOG_USE_SDL
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va_start(list, text);
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SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_ERROR, text, list);
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va_end(list);
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#else
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fprintf(stderr, Color_BOLD_RED);
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fprintf(stderr, "[ERROR]");
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fprintf(stderr, Color_RESET);
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fprintf(stderr, " ");
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va_start(list, text);
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vfprintf(stderr, text, list);
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va_end(list);
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fputc('\n', stderr);
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#endif
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}
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#ifdef _WIN32
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void vlog_open_console(void)
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{
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static int run_once = 0;
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if (run_once)
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{
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return;
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}
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run_once = 1;
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const BOOL success = AllocConsole();
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if (!success)
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{
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/* Debug, not error, because it might not be an error.
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* (E.g. there is already an attached console.) */
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vlog_debug(
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"Could not open console: AllocConsole() failed with %d",
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GetLastError()
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);
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return;
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}
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const FILE* handle = freopen("CON", "w", stdout);
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if (handle == NULL)
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{
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vlog_error("Could not redirect STDOUT to console.");
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}
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handle = freopen("CON", "w", stderr);
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if (handle == NULL)
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{
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vlog_error("Could not redirect STDERR to console.");
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}
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check_color_support();
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if (!SetConsoleOutputCP(CP_UTF8))
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{
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vlog_warn(
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"Could not set code page for console output to UTF-8: "
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"SetConsoleOutputCP() failed with %d",
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GetLastError()
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);
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}
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}
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#endif /* _WIN32 */
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static void check_color_support(void)
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{
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#ifdef _WIN32
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/* VT100 colors are supported since Windows 10 build 16257,
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* but it's not enabled by default. So we have to set it. */
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const HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
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if (hStdout == INVALID_HANDLE_VALUE)
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{
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vlog_error(
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"Could not set color support: GetStdHandle() failed with %d",
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GetLastError()
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);
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return;
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}
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const HANDLE hStderr = GetStdHandle(STD_ERROR_HANDLE);
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if (hStderr == INVALID_HANDLE_VALUE)
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{
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vlog_error(
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"Could not enable color support: GetStdHandle() failed with %d",
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GetLastError()
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);
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return;
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}
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/* Older VS releases don't have this defined yet */
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#ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
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#define ENABLE_VIRTUAL_TERMINAL_PROCESSING 0x0004
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#endif
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const BOOL success = SetConsoleMode(
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hStdout, ENABLE_PROCESSED_OUTPUT | ENABLE_VIRTUAL_TERMINAL_PROCESSING
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);
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if (!success)
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{
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/* Debug, not error, because it might not be an error.
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* (E.g. this version of Windows doesn't support VT100 colors.) */
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vlog_debug(
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"Could not enable color support: SetConsoleMode() failed with %d",
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GetLastError()
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);
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return;
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}
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color_supported = 1;
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#elif (defined(__unix__) || defined(__APPLE__)) && !defined(VLOG_USE_SDL)
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if (isatty(STDOUT_FILENO) && isatty(STDERR_FILENO))
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{
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color_supported = 1;
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}
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#endif
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}
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