Otherwise ip6tables-save piped to ip6tables-restore can cause a parse
error when the expression list is empty.
Signed-off-by: Jan Engelhardt <jengelh@xxxxxxxxxx>
---
extensions/libxt_u32.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/extensions/libxt_u32.c b/extensions/libxt_u32.c
index 054a5b2..378de0c 100644
--- a/extensions/libxt_u32.c
+++ b/extensions/libxt_u32.c
@@ -45,6 +45,7 @@ static void u32_dump(const struct xt_u32 *data)
const struct xt_u32_test *ct;
unsigned int testind, i;
+ putchar('\"');
for (testind = 0; testind < data->ntests; ++testind) {
ct = &data->tests[testind];
@@ -81,7 +82,7 @@ static void u32_dump(const struct xt_u32 *data)
ct->value[i].max);
}
}
- printf(" ");
+ printf("\" ");
}
/* string_to_number() is not quite what we need here ... */
--
1.7.1
--
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