From 68724d418dd085781218f00a2a68ad586ea4707b Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Fri, 16 Jan 2015 12:24:16 +0000
Subject: [PATCH] Fix double format output.

---
 src/libutil/printf.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/libutil/printf.c b/src/libutil/printf.c
index d43e38810..26fc174e8 100644
--- a/src/libutil/printf.c
+++ b/src/libutil/printf.c
@@ -411,8 +411,19 @@ rspamd_vprintf_common (rspamd_printf_append_func func,
 				case '.':
 					fmt++;
 
-					while (*fmt >= '0' && *fmt <= '9') {
-						frac_width = frac_width * 10 + *fmt++ - '0';
+					if (*fmt == '*') {
+						d = (gint)va_arg (args, gint);
+						if (G_UNLIKELY (d < 0)) {
+							msg_err ("critical error: fraction width is less than 0");
+							return 0;
+						}
+						frac_width = (guint)d;
+						fmt++;
+					}
+					else {
+						while (*fmt >= '0' && *fmt <= '9') {
+							frac_width = frac_width * 10 + *fmt++ - '0';
+						}
 					}
 
 					break;
-- 
2.39.5