dup() -> dup2()

gcc would warn about an unused result. We know it is 0 and dup()
can't fail in these circumstances, as we closed fd0 previously.
Using dup2() to do the same saves one line and shuts gcc up, bringing
us a clean build back.
This commit is contained in:
FRIGN 2015-09-22 13:13:25 +02:00
parent bf8c71e429
commit 20d53cebc1

3
st.c
View File

@ -1430,8 +1430,7 @@ ttynew(void)
if (opt_line) {
if ((cmdfd = open(opt_line, O_RDWR)) < 0)
die("open line failed: %s\n", strerror(errno));
close(0);
dup(cmdfd);
dup2(cmdfd, 0);
stty();
return;
}