tdup() -> dup2() - st - [fork] customized build of st, the simple terminal
 (HTM) git clone git://src.adamsgaard.dk/st
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       ---
 (DIR) commit 20d53cebc122829449524ef339ce44e13c6e85ec
 (DIR) parent bf8c71e42937b623f76ced22c9557f87e3d945da
 (HTM) 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
       t@@ -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;
                }