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42 lines
1.1 KiB
42 lines
1.1 KiB
11 months ago
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From bea48d4a3323ce41973674e2edd64b990f8a849e Mon Sep 17 00:00:00 2001
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From: Phil Sutter <phil@nwl.cc>
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Date: Sat, 1 Oct 2022 00:17:50 +0200
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Subject: [PATCH] extensions: libip6t_dst: Fix output for empty options
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If no --dst-opts were given, print_options() would print just a
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whitespace.
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Fixes: 73866357e4a7a ("iptables: do not print trailing whitespaces")
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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(cherry picked from commit 11e06cbb3a87739a3d958ba4c2f08fea7b100a68)
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---
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extensions/libip6t_dst.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/extensions/libip6t_dst.c b/extensions/libip6t_dst.c
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index fe7e3403468ce..ba8cd66b13182 100644
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--- a/extensions/libip6t_dst.c
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+++ b/extensions/libip6t_dst.c
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@@ -127,15 +127,15 @@ static void
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print_options(unsigned int optsnr, uint16_t *optsp)
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{
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unsigned int i;
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+ char sep = ' ';
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- printf(" ");
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for(i = 0; i < optsnr; i++) {
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- printf("%d", (optsp[i] & 0xFF00) >> 8);
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+ printf("%c%d", sep, (optsp[i] & 0xFF00) >> 8);
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if ((optsp[i] & 0x00FF) != 0x00FF)
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printf(":%d", (optsp[i] & 0x00FF));
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- printf("%c", (i != optsnr - 1) ? ',' : ' ');
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+ sep = ',';
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}
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}
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--
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2.40.0
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