mirror of
https://github.com/git/git.git
synced 2024-11-01 14:57:52 +01:00
435bdf8c7f
Centralize the include of windows.h in git-compat-util.h, turn on WIN32_LEAN_AND_MEAN to avoid including plenty of other header files which is not needed in Git. Also ensure we load winsock2.h first, so we don't load the older winsock definitions at a later stage, since they contain duplicate definitions. When moving windows.h into git-compat-util.h, we need to protect the definition of struct pollfd in mingw.h, since this file is used by both MinGW and MSVC, and the latter defines this struct in winsock2.h. We need to keep the windows.h include in compat/win32.h, since its shared by both MinGW and Cygwin, and we're not touching Cygwin in this commit. The include in git-compat-util.h is protected with an ifdef WIN32, which is not the case when compiling for Cygwin. Signed-off-by: Marius Storm-Olsen <mstormo@gmail.com> Acked-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
357 lines
6.9 KiB
C
357 lines
6.9 KiB
C
/*
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* Copyright 2008 Peter Harris <git@peter.is-a-geek.org>
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*/
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#include "../git-compat-util.h"
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/*
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Functions to be wrapped:
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*/
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#undef printf
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#undef fprintf
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#undef fputs
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/* TODO: write */
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/*
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ANSI codes used by git: m, K
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This file is git-specific. Therefore, this file does not attempt
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to implement any codes that are not used by git.
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*/
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static HANDLE console;
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static WORD plain_attr;
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static WORD attr;
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static int negative;
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static void init(void)
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{
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CONSOLE_SCREEN_BUFFER_INFO sbi;
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static int initialized = 0;
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if (initialized)
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return;
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console = GetStdHandle(STD_OUTPUT_HANDLE);
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if (console == INVALID_HANDLE_VALUE)
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console = NULL;
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if (!console)
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return;
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GetConsoleScreenBufferInfo(console, &sbi);
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attr = plain_attr = sbi.wAttributes;
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negative = 0;
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initialized = 1;
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}
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#define FOREGROUND_ALL (FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE)
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#define BACKGROUND_ALL (BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE)
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static void set_console_attr(void)
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{
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WORD attributes = attr;
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if (negative) {
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attributes &= ~FOREGROUND_ALL;
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attributes &= ~BACKGROUND_ALL;
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/* This could probably use a bitmask
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instead of a series of ifs */
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if (attr & FOREGROUND_RED)
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attributes |= BACKGROUND_RED;
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if (attr & FOREGROUND_GREEN)
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attributes |= BACKGROUND_GREEN;
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if (attr & FOREGROUND_BLUE)
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attributes |= BACKGROUND_BLUE;
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if (attr & BACKGROUND_RED)
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attributes |= FOREGROUND_RED;
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if (attr & BACKGROUND_GREEN)
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attributes |= FOREGROUND_GREEN;
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if (attr & BACKGROUND_BLUE)
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attributes |= FOREGROUND_BLUE;
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}
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SetConsoleTextAttribute(console, attributes);
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}
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static void erase_in_line(void)
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{
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CONSOLE_SCREEN_BUFFER_INFO sbi;
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DWORD dummy; /* Needed for Windows 7 (or Vista) regression */
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if (!console)
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return;
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GetConsoleScreenBufferInfo(console, &sbi);
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FillConsoleOutputCharacterA(console, ' ',
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sbi.dwSize.X - sbi.dwCursorPosition.X, sbi.dwCursorPosition,
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&dummy);
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}
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static const char *set_attr(const char *str)
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{
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const char *func;
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size_t len = strspn(str, "0123456789;");
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func = str + len;
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switch (*func) {
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case 'm':
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do {
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long val = strtol(str, (char **)&str, 10);
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switch (val) {
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case 0: /* reset */
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attr = plain_attr;
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negative = 0;
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break;
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case 1: /* bold */
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attr |= FOREGROUND_INTENSITY;
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break;
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case 2: /* faint */
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case 22: /* normal */
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attr &= ~FOREGROUND_INTENSITY;
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break;
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case 3: /* italic */
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/* Unsupported */
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break;
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case 4: /* underline */
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case 21: /* double underline */
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/* Wikipedia says this flag does nothing */
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/* Furthermore, mingw doesn't define this flag
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attr |= COMMON_LVB_UNDERSCORE; */
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break;
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case 24: /* no underline */
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/* attr &= ~COMMON_LVB_UNDERSCORE; */
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break;
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case 5: /* slow blink */
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case 6: /* fast blink */
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/* We don't have blink, but we do have
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background intensity */
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attr |= BACKGROUND_INTENSITY;
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break;
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case 25: /* no blink */
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attr &= ~BACKGROUND_INTENSITY;
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break;
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case 7: /* negative */
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negative = 1;
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break;
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case 27: /* positive */
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negative = 0;
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break;
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case 8: /* conceal */
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case 28: /* reveal */
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/* Unsupported */
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break;
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case 30: /* Black */
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attr &= ~FOREGROUND_ALL;
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break;
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case 31: /* Red */
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attr &= ~FOREGROUND_ALL;
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attr |= FOREGROUND_RED;
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break;
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case 32: /* Green */
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attr &= ~FOREGROUND_ALL;
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attr |= FOREGROUND_GREEN;
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break;
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case 33: /* Yellow */
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attr &= ~FOREGROUND_ALL;
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attr |= FOREGROUND_RED | FOREGROUND_GREEN;
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break;
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case 34: /* Blue */
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attr &= ~FOREGROUND_ALL;
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attr |= FOREGROUND_BLUE;
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break;
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case 35: /* Magenta */
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attr &= ~FOREGROUND_ALL;
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attr |= FOREGROUND_RED | FOREGROUND_BLUE;
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break;
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case 36: /* Cyan */
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attr &= ~FOREGROUND_ALL;
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attr |= FOREGROUND_GREEN | FOREGROUND_BLUE;
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break;
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case 37: /* White */
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attr |= FOREGROUND_RED |
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FOREGROUND_GREEN |
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FOREGROUND_BLUE;
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break;
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case 38: /* Unknown */
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break;
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case 39: /* reset */
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attr &= ~FOREGROUND_ALL;
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attr |= (plain_attr & FOREGROUND_ALL);
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break;
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case 40: /* Black */
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attr &= ~BACKGROUND_ALL;
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break;
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case 41: /* Red */
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attr &= ~BACKGROUND_ALL;
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attr |= BACKGROUND_RED;
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break;
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case 42: /* Green */
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attr &= ~BACKGROUND_ALL;
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attr |= BACKGROUND_GREEN;
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break;
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case 43: /* Yellow */
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attr &= ~BACKGROUND_ALL;
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attr |= BACKGROUND_RED | BACKGROUND_GREEN;
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break;
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case 44: /* Blue */
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attr &= ~BACKGROUND_ALL;
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attr |= BACKGROUND_BLUE;
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break;
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case 45: /* Magenta */
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attr &= ~BACKGROUND_ALL;
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attr |= BACKGROUND_RED | BACKGROUND_BLUE;
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break;
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case 46: /* Cyan */
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attr &= ~BACKGROUND_ALL;
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attr |= BACKGROUND_GREEN | BACKGROUND_BLUE;
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break;
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case 47: /* White */
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attr |= BACKGROUND_RED |
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BACKGROUND_GREEN |
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BACKGROUND_BLUE;
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break;
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case 48: /* Unknown */
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break;
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case 49: /* reset */
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attr &= ~BACKGROUND_ALL;
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attr |= (plain_attr & BACKGROUND_ALL);
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break;
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default:
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/* Unsupported code */
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break;
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}
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str++;
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} while (*(str-1) == ';');
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set_console_attr();
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break;
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case 'K':
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erase_in_line();
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break;
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default:
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/* Unsupported code */
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break;
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}
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return func + 1;
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}
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static int ansi_emulate(const char *str, FILE *stream)
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{
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int rv = 0;
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const char *pos = str;
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while (*pos) {
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pos = strstr(str, "\033[");
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if (pos) {
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size_t len = pos - str;
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if (len) {
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size_t out_len = fwrite(str, 1, len, stream);
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rv += out_len;
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if (out_len < len)
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return rv;
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}
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str = pos + 2;
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rv += 2;
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fflush(stream);
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pos = set_attr(str);
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rv += pos - str;
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str = pos;
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} else {
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rv += strlen(str);
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fputs(str, stream);
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return rv;
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}
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}
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return rv;
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}
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int winansi_fputs(const char *str, FILE *stream)
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{
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int rv;
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if (!isatty(fileno(stream)))
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return fputs(str, stream);
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init();
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if (!console)
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return fputs(str, stream);
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rv = ansi_emulate(str, stream);
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if (rv >= 0)
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return 0;
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else
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return EOF;
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}
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static int winansi_vfprintf(FILE *stream, const char *format, va_list list)
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{
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int len, rv;
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char small_buf[256];
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char *buf = small_buf;
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va_list cp;
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if (!isatty(fileno(stream)))
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goto abort;
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init();
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if (!console)
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goto abort;
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va_copy(cp, list);
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len = vsnprintf(small_buf, sizeof(small_buf), format, cp);
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va_end(cp);
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if (len > sizeof(small_buf) - 1) {
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buf = malloc(len + 1);
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if (!buf)
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goto abort;
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len = vsnprintf(buf, len + 1, format, list);
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}
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rv = ansi_emulate(buf, stream);
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if (buf != small_buf)
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free(buf);
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return rv;
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abort:
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rv = vfprintf(stream, format, list);
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return rv;
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}
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int winansi_fprintf(FILE *stream, const char *format, ...)
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{
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va_list list;
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int rv;
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va_start(list, format);
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rv = winansi_vfprintf(stream, format, list);
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va_end(list);
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return rv;
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}
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int winansi_printf(const char *format, ...)
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{
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va_list list;
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int rv;
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va_start(list, format);
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rv = winansi_vfprintf(stdout, format, list);
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va_end(list);
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return rv;
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}
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