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c6ee3d79ad
* cfg.mk: Remove sc_prohibit_have_config_h from local-checks-to-skip * libwget/*.c: Include <config.h> unconditionally * src/*.c: Likewise * tests/*.c: Likewise
145 lines
3.3 KiB
C
145 lines
3.3 KiB
C
/*
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* Copyright(c) 2016 Free Software Foundation, Inc.
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*
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* This file is part of libwget.
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*
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* Libwget is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Libwget is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libwget. If not, see <https://www.gnu.org/licenses/>.
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*
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*
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* Console functions
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*
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*/
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#include <config.h>
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#include <wget.h>
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#include "private.h"
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#ifdef _WIN32
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#include <windows.h>
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CONSOLE_SCREEN_BUFFER_INFO g_console_info;
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HANDLE g_stdout_hnd = INVALID_HANDLE_VALUE;
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CRITICAL_SECTION g_trace_crit;
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#endif
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/**
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* \file
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* \brief Console functions
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* \defgroup libwget-console Console functions
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* @{
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*
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* Routines to address console controls like cursor positioning, fg+bg colors, ...
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*/
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static void _reset_color(void)
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{
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#ifdef _WIN32
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fflush(stdout);
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if (g_stdout_hnd != INVALID_HANDLE_VALUE) {
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SetConsoleTextAttribute(g_stdout_hnd, g_console_info.wAttributes);
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g_stdout_hnd = INVALID_HANDLE_VALUE;
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}
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#else
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if (isatty(fileno(stdout)))
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fputs("\033[m", stdout);
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fflush(stdout);
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#endif
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}
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/**
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* \param[in] colorid Number of foreground/text color to set
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*
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* Sets the console foreground (text) color.
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*/
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#ifdef _WIN32
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void wget_console_set_fg_color(wget_console_color_t colorid)
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{
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static short color[] = {
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[WGET_CONSOLE_COLOR_WHITE] = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED,
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[WGET_CONSOLE_COLOR_BLUE] = FOREGROUND_BLUE,
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[WGET_CONSOLE_COLOR_GREEN] = FOREGROUND_GREEN,
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[WGET_CONSOLE_COLOR_RED] = FOREGROUND_RED,
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[WGET_CONSOLE_COLOR_MAGENTA] = FOREGROUND_RED | FOREGROUND_BLUE
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};
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if (g_stdout_hnd != INVALID_HANDLE_VALUE) {
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fflush (stdout);
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if (colorid == WGET_CONSOLE_COLOR_RESET)
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SetConsoleTextAttribute (g_stdout_hnd, g_console_info.wAttributes);
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else if (colorid < countof(color)) {
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WORD attr = (g_console_info.wAttributes & ~7) | color[colorid];
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SetConsoleTextAttribute (g_stdout_hnd, attr | FOREGROUND_INTENSITY);
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}
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}
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}
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#else
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void wget_console_set_fg_color(wget_console_color_t colorid G_GNUC_WGET_UNUSED)
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{
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}
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#endif
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/**
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* Resets the console foreground (text) color.
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*/
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void wget_console_reset_fg_color(void)
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{
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wget_console_set_fg_color(WGET_CONSOLE_COLOR_RESET);
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}
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/**
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* \return 0 on success, or -1 on error
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*
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* Initializes the console.
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*/
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int wget_console_init(void)
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{
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#ifdef _WIN32
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static int win_init;
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if (win_init)
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return 0;
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g_stdout_hnd = GetStdHandle(STD_OUTPUT_HANDLE);
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if (g_stdout_hnd != INVALID_HANDLE_VALUE) {
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GetConsoleScreenBufferInfo(g_stdout_hnd, &g_console_info);
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if (GetFileType(g_stdout_hnd) != FILE_TYPE_CHAR) /* The console is redirected */
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g_stdout_hnd = INVALID_HANDLE_VALUE;
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}
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win_init = 1;
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#endif
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atexit(_reset_color);
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return 0;
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}
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/**
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* \return 0 on success, or -1 on error
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*
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* Deinitializes the console.
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*/
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int wget_console_deinit(void)
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{
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_reset_color();
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return 0;
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}
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/**@}*/
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