wip - scroll - scrollbackbuffer program for st
(HTM) git clone git://git.suckless.org/scroll
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---
(DIR) commit da549bbe4627628c229b9b3e77448aa3bae04bd2
(DIR) parent 6f1e4abb64c2d4204c722d5357da004062f90b92
(HTM) Author: Jan Klemkow <j.klemkow@wemelug.de>
Date: Wed, 15 Apr 2020 22:44:40 +0200
wip
Diffstat:
M ptty.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
---
(DIR) diff --git 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;
}