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cope with situations where /dev/tty is not actually a TTY

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this can happen in situations where a child process is not running in a
session group associated with a TTY, such as on a build server.
This commit is contained in:
Ariadne Conill 2020-12-15 12:55:03 +00:00 committed by Nick Black
parent 66bd8c9769
commit b49ac58d3e
1 changed files with 6 additions and 0 deletions
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6
src/lib/notcurses.c
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@ -934,6 +934,12 @@ get_tty_fd(notcurses* nc, FILE* ttyfp){
fd = open("/dev/tty", O_RDWR | O_CLOEXEC);
if(fd < 0){
loginfo(nc, "Error opening /dev/tty (%s)\n", strerror(errno));
}else{
if(!isatty(fd)){
loginfo(nc, "File descriptor for /dev/tty (%d) is not actually a TTY\n", fd);
close(fd);
fd = -1;
}
}
}
return fd;