From: Alan T. DeKok <aland@freeradius.org>
Date: Tue, 19 Feb 2019 23:06:08 +0000 (-0500)
Subject: allow "%.*s" for strings
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24a318ca7fa9def7771f2d7973fd959ddcbc35bf;p=thirdparty%2Ffreeradius-server.git

allow "%.*s" for strings

so we don't crash when using them.
---

diff --git a/src/lib/util/print.c b/src/lib/util/print.c
index a8b80883e20..e587e1da406 100644
--- a/src/lib/util/print.c
+++ b/src/lib/util/print.c
@@ -518,9 +518,13 @@ char *fr_vasprintf(TALLOC_CTX *ctx, char const *fmt, va_list ap)
 	done_flags:
 
 		/*
-		 *	Check for width field
+		 *	Check for width field.  First for strings, and
+		 *	then for other parameters.
 		 */
-		if (*p == '*') {
+		if ((*p == '.') && (*(p + 1) == '*') && (*(p + 2) == 's')) {
+			(void) va_arg(ap_q, int);
+			p += 2;
+		} else if (*p == '*') {
 			(void) va_arg(ap_q, int);
 			p++;
 		} else {