mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-29 11:00:29 +00:00
78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <sys/ioctl.h>
|
|
#include <unistd.h>
|
|
|
|
static int key_fd;
|
|
|
|
static void wait_for_key()
|
|
{
|
|
printf("\033[7m--[ more ]--\033[0m");
|
|
fflush(stdout);
|
|
char dummy;
|
|
(void)read(key_fd, &dummy, 1);
|
|
printf("\n");
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
(void)argc;
|
|
(void)argv;
|
|
|
|
if (pledge("stdio rpath tty", nullptr) < 0) {
|
|
perror("pledge");
|
|
return 1;
|
|
}
|
|
|
|
key_fd = STDOUT_FILENO;
|
|
|
|
struct winsize ws;
|
|
ioctl(1, TIOCGWINSZ, &ws);
|
|
|
|
if (pledge("stdio", nullptr) < 0) {
|
|
perror("pledge");
|
|
return 1;
|
|
}
|
|
|
|
unsigned lines_printed = 0;
|
|
while (!feof(stdin)) {
|
|
char buffer[BUFSIZ];
|
|
auto* str = fgets(buffer, sizeof(buffer), stdin);
|
|
if (!str)
|
|
break;
|
|
printf("%s", str);
|
|
++lines_printed;
|
|
if ((lines_printed % (ws.ws_row - 1)) == 0) {
|
|
wait_for_key();
|
|
}
|
|
}
|
|
|
|
close(key_fd);
|
|
return 0;
|
|
}
|