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tdup() -> dup2() - st - [fork] customized build of st, the simple terminal |
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git clone git://src.adamsgaard.dk/st |
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Log |
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Files |
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Refs |
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README |
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LICENSE |
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--- |
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commit 20d53cebc122829449524ef339ce44e13c6e85ec |
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parent bf8c71e42937b623f76ced22c9557f87e3d945da |
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Author: FRIGN <[email protected]> |
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Date: Tue, 22 Sep 2015 13:13:25 +0200 |
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dup() -> dup2() |
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gcc would warn about an unused result. We know it is 0 and dup() |
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can't fail in these circumstances, as we closed fd0 previously. |
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Using dup2() to do the same saves one line and shuts gcc up, bringing |
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us a clean build back. |
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Diffstat: |
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M st.c | 3 +-- |
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1 file changed, 1 insertion(+), 2 deletions(-) |
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--- |
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diff --git a/st.c b/st.c |
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t@@ -1430,8 +1430,7 @@ ttynew(void) |
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if (opt_line) { |
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if ((cmdfd = open(opt_line, O_RDWR)) < 0) |
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die("open line failed: %s\n", strerror(errno)); |
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- close(0); |
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- dup(cmdfd); |
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+ dup2(cmdfd, 0); |
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stty(); |
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return; |
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} |
