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Refactor clear(1) - ubase - suckless linux base utils |
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git clone git://git.suckless.org/ubase |
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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 7b27c7f87c01b00b6a3e5cd7a60fb832681d5ccc |
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parent b6669b5f196275bcf205abe5904b63bcd9213011 |
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Author: FRIGN <[email protected]> |
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Date: Mon, 7 Sep 2015 12:33:16 +0200 |
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Refactor clear(1) |
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Adopting best practices(tm) we developed with sbase. |
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Diffstat: |
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M clear.1 | 2 +- |
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M clear.c | 16 +++++++++++++++- |
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2 files changed, 16 insertions(+), 2 deletions(-) |
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--- |
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diff --git a/clear.1 b/clear.1 |
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@@ -8,4 +8,4 @@ |
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.Nm |
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.Sh DESCRIPTION |
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.Nm |
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-clears the screen |
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+clears the screen. |
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diff --git a/clear.c b/clear.c |
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@@ -2,9 +2,23 @@ |
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#include <stdio.h> |
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#include <stdlib.h> |
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+#include "util.h" |
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+ |
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+static void |
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+usage(void) |
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+{ |
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+ eprintf("usage: %s\n", argv0); |
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+} |
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+ |
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int |
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-main(void) |
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+main(int argc, char *argv[]) |
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{ |
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+ argv0 = argv[0], argc--, argv++; |
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+ |
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+ if (argc) |
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+ usage(); |
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+ |
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printf("\x1b[2J\x1b[H"); |
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+ |
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return 0; |
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} |
