dup() -> dup2() - st - simple terminal HTML git clone https://git.parazyd.org/st DIR Log DIR Files DIR Refs DIR README DIR LICENSE --- DIR commit 20d53cebc122829449524ef339ce44e13c6e85ec DIR parent bf8c71e42937b623f76ced22c9557f87e3d945da HTML Author: FRIGN <dev@frign.de> Date: Tue, 22 Sep 2015 13:13:25 +0200 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. Diffstat: M st.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- DIR diff --git 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; }