tReopen tty input to stdin in case input was a pipe - sacc - sacc(omys), simple console gopher client (mirror)
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---
DIR commit 078d0408656082f0cff4dd7f2b39dc988bc2391e
DIR parent f2c03523d69f506dd4f40f4258ed8e37c5f008ca
HTML Author: Quentin Rameau <quinq@fifth.space>
Date: Tue, 29 Aug 2017 14:38:32 +0200
Reopen tty input to stdin in case input was a pipe
Thanks to trqx for reporting it and to Hiltjo for the fix suggestion!
Diffstat:
M sacc.c | 8 ++++++++
1 file changed, 8 insertions(+), 0 deletions(-)
---
DIR diff --git a/sacc.c b/sacc.c
t@@ -744,8 +744,16 @@ cleanup(void)
static void
setup(void)
{
+ int fd;
+
setenv("PAGER", "more", 0);
atexit(cleanup);
+ /* reopen stdin in case we're reading from a pipe */
+ if ((fd = open("/dev/tty", O_RDONLY)) < 0)
+ die("open: /dev/tty: %s", strerror(errno));
+ if (dup2(fd, 0) < 0)
+ die("dup2: /dev/tty, stdin: %s", strerror(errno));
+ close(fd);
if ((devnullfd = open("/dev/null", O_WRONLY)) < 0)
die("open: /dev/null: %s", strerror(errno));
if (mkdir("/tmp/sacc", S_IRWXU) < 0 && errno != EEXIST)