[PATCH iptables] print warnings to stderr
iptables prints some of its error messages and warnings to stdout.
This patch applies to svn r7075 and will make iptables print
diagnostic messages to stderr instead.
Signed-off-by: Max Kellermann <max@duempel.org>
diff --git a/xtables.c b/xtables.c
index 58b4e81..6107119 100644
--- a/xtables.c
+++ b/xtables.c
@@ -246,9 +246,10 @@
if (vianame[i] == ':' ||
vianame[i] == '!' ||
vianame[i] == '*') {
- printf("Warning: weird character in interface"
- " `%s' (No aliases, :, ! or *).\n",
- vianame);
+ fprintf(stderr,
+ "Warning: weird character in interface"
+ " `%s' (No aliases, :, ! or *).\n",
+ vianame);
break;
}
}