aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFRIGN <dev@frign.de>2015-09-22 13:13:25 +0200
committerFRIGN <dev@frign.de>2015-09-22 14:15:24 +0200
commit20d53cebc122829449524ef339ce44e13c6e85ec (patch)
tree5059811bdd2f953b8ed8ead80fcf300689c60ea9
parentbf8c71e42937b623f76ced22c9557f87e3d945da (diff)
downloadst-20d53cebc122829449524ef339ce44e13c6e85ec.tar.gz
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.
-rw-r--r--st.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/st.c b/st.c
index bd8b815..bcf74b3 100644
--- a/st.c
+++ b/st.c
@@ -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;
}