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console.cpp
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86 lines (76 loc) · 1.95 KB
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/**
* @file posix/console.cpp
* @brief POSIX console/terminal control
*
* (c) 2013-2014 by Mega Limited, Wellsford, New Zealand
*
* This file is part of the MEGA SDK - Client Access Engine.
*
* Applications using the MEGA API must present a valid application key
* and comply with the the rules set forth in the Terms of Service.
*
* The MEGA SDK is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* @copyright Simplified (2-clause) BSD License.
*
* You should have received a copy of the license along with this
* program.
*/
#include "mega.h"
namespace mega {
using namespace std;
PosixConsole::PosixConsole()
{
// set up the console
if (tcgetattr(STDIN_FILENO, &term) < 0)
{
perror("tcgetattr");
throw runtime_error("tcgetattr");
}
oldlflag = term.c_lflag;
oldvtime = term.c_cc[VTIME];
term.c_lflag &= ~ICANON;
term.c_cc[VTIME] = 1;
if (tcsetattr(STDIN_FILENO, TCSANOW, &term) < 0)
{
perror("tcsetattr");
throw runtime_error("tcsetattr at ctor");
}
}
PosixConsole::~PosixConsole()
{
term.c_lflag = oldlflag;
term.c_cc[VTIME] = oldvtime;
if (tcsetattr(STDIN_FILENO, TCSANOW, &term) < 0)
{
perror("tcsetattr");
}
}
// FIXME: UTF-8 compatibility
void PosixConsole::readpwchar(char* pw_buf, int pw_buf_size, int* pw_buf_pos, char** line)
{
char c;
if (read(STDIN_FILENO, &c, 1) == 1)
{
if (c == 8 && *pw_buf_pos)
{
(*pw_buf_pos)--;
}
else if (c == 13)
{
*line = (char*) malloc(*pw_buf_pos + 1);
memcpy(*line, pw_buf, *pw_buf_pos);
(*line)[*pw_buf_pos] = 0;
}
else if (*pw_buf_pos < pw_buf_size)
{
pw_buf[(*pw_buf_pos)++] = c;
}
}
}
void PosixConsole::setecho(bool /*echo*/)
{
}
} // namespace