# st

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    commit 20d53cebc122829449524ef339ce44e13c6e85ec
    parent bf8c71e42937b623f76ced22c9557f87e3d945da
    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:
    Mst.c | 3+--

    1 file changed, 1 insertion(+), 2 deletions(-)
    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;
     	}