ptty: error handling of close(2) - scroll - scrollbackbuffer program for st
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---
(DIR) commit e96f0b9671d12a6977225ea22f7edf455331aa6e
(DIR) parent 702a5592b8309cc3c91fc562fcfff0b4f58fb2f0
(HTM) Author: Jan Klemkow <j.klemkow@wemelug.de>
Date: Thu, 16 Apr 2020 22:03:04 +0200
ptty: error handling of close(2)
Diffstat:
M ptty.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
---
(DIR) diff --git a/ptty.c b/ptty.c
@@ -112,7 +112,8 @@ main(int argc, char *argv[])
die("read:");
if (n == 0) {
pfd[0].fd = -1;
- close(mfd);
+ if (close(mfd) == -1)
+ die("close:");
break;
}
if (write(mfd, buf, n) == -1)
@@ -129,7 +130,8 @@ main(int argc, char *argv[])
if (pfd[0].revents & POLLHUP) {
pfd[0].fd = -1;
- close(mfd);
+ if (close(mfd) == -1)
+ die("close:");
break;
}
if (pfd[1].revents & POLLHUP)