[hackers] [scroll] wip || Jan Klemkow

[git]

commit da549bbe4627628c229b9b3e77448aa3bae04bd2
Author:     Jan Klemkow <j.klem...@wemelug.de>
AuthorDate: Wed Apr 15 22:44:40 2020 +0200
Commit:     Jan Klemkow <j.klem...@wemelug.de>
CommitDate: Wed Apr 15 23:09:50 2020 +0200

    wip

diff --git a/ptty.c b/ptty.c
index 475c8ef..486008d 100644
--- a/ptty.c
+++ b/ptty.c
@@ -93,6 +93,7 @@ main(int argc, char *argv[])
        if (closeflag && close(mfd) == -1)
                die("close:");
 
+       int pfds = 2;
        struct pollfd pfd[2] = {
                { STDIN_FILENO, POLLIN, 0},
                { mfd,          POLLIN, 0}
@@ -103,13 +104,18 @@ main(int argc, char *argv[])
                ssize_t n;
                int r;
 
-               if ((r = poll(pfd, 2, -1)) == -1)
+               if ((r = poll(pfd, pfds, -1)) == -1)
                        die("poll:");
 
                if (pfd[0].revents & POLLIN) {
                        if ((n = read(STDIN_FILENO, buf, sizeof buf)) == -1)
                                die("read:");
-                       if (n == 0) break;
+                       if (n == 0) {
+                               close(mfd);
+                               //pfds = 1;
+                               pfd[0].fd = -1;
+                               break;
+                       }
                        if (write(mfd, buf, n) == -1)
                                die("write:");
                }
@@ -122,7 +128,12 @@ main(int argc, char *argv[])
                                die("write:");
                }
 
-               if (pfd[0].revents & POLLHUP || pfd[1].revents & POLLHUP)
+               if (pfd[0].revents & POLLHUP) {
+                       //pfds = 1;
+                       pfd[0].fd = -1;
+                       close(mfd);
+               }
+               if (pfd[1].revents & POLLHUP)
                        break;
        }