diff options
| -rw-r--r-- | rin.c | 66 |
1 files changed, 46 insertions, 20 deletions
@@ -1,34 +1,60 @@ +#include <curses.h> #include <err.h> #include <fcntl.h> -#include <signal.h> -#include <termios.h> #include <unistd.h> +#include <sys/select.h> int main() { - int c, n, o, t; - struct termios orig, term; + fd_set rfds; + int c, in, n, out, startx, y; + struct timeval tv; + WINDOW *w; - t = 0; + w = initscr(); + raw(); + noecho(); + timeout(1); - if((o = open("/var/tmp/r.in", O_RDWR)) == -1) + if((in = open("/var/tmp/r.in", O_RDWR)) == -1) err(1, "/var/tmp/r.in"); + if((out = open("/var/tmp/r.out", O_RDWR)) == -1) + err(1, "/var/tmp/r.out"); - /* Enter "raw" terminal mode. */ - tcgetattr(t, &orig); - tcgetattr(t, &term); - term.c_lflag &= ~(ICANON|ECHO|ISIG); - tcsetattr(t, TCSANOW, &term); - - while((n = read(t, &c, 1)) > 0){ - if(c == 26) /* ^Z */ - break; - if(c != '\n') - write(t, &c, 1); - write(o, &c, 1); + tv.tv_sec = 0; + tv.tv_usec = 1; + FD_ZERO(&rfds); + + startx = 0; + + for(;;){ + FD_SET(out, &rfds); + if(select(out+1, &rfds, NULL, NULL, &tv) > 0){ + read(out, &c, 1); + printw("%c", c); + + startx = -1; + } + if((c = getch()) != ERR){ + if(startx == -1) + startx = getcurx(w); + if(c == 26) /* ^Z */ + break; + if(c == 21){ /* ^U */ +move: y = getcury(w); + move(y, startx); + continue; + } + if(c == '\n') + goto move; + else + printw("%c", c); + write(in, &c, 1); + } } - /* Restore original terminal mode. */ - tcsetattr(t, TCSANOW, &orig); + echo(); + noraw(); + endwin(); } |