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#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <curses.h>
int main(int argc, char *argv[]) {
char *buffer = 0;
size_t file_size = 0;
if (argc > 1) {
int file_descriptor = open(argv[1], O_RDONLY);
assert(file_descriptor != -1);
struct stat file_stat;
assert(stat(argv[1], &file_stat) != -1);
file_size = file_stat.st_size;
buffer = malloc(file_size);
assert(buffer);
assert(read(file_descriptor, buffer, file_size) != -1);
assert(close(file_descriptor) != -1);
}
initscr();
cbreak();
noecho();
nonl();
intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
int window_height = getmaxy(stdscr);
while (1) {
int current_line = 0;
for (int i = 0; i < file_size && current_line < window_height; i++) {
addch(buffer[i]);
if (buffer[i] == '\n') current_line++;
}
getch();
clear();
}
endwin();
return 0;
}
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