From: Amitay Isaacs <amitay@gmail.com>
Date: Mon, 8 Aug 2016 04:09:10 +0000 (+1000)
Subject: nss_wrapper: Add missing check for printf format validation
X-Git-Tag: tevent-0.9.30~180
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb8f523b2f14329d18ed7edc8d896a12e3e5b8e2;p=thirdparty%2Fsamba.git

nss_wrapper: Add missing check for printf format validation

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
---

diff --git a/lib/nss_wrapper/wscript b/lib/nss_wrapper/wscript
index d53accbeea8..113d99ffbe0 100644
--- a/lib/nss_wrapper/wscript
+++ b/lib/nss_wrapper/wscript
@@ -40,6 +40,18 @@ def configure(conf):
             addmain=False,
             msg='Checking for library destructor support')
 
+        # check HAVE_ATTRIBUTE_PRINTF_FORMAT
+        conf.CHECK_CODE('''
+            void log_fn(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
+
+            int main(void) {
+                return 0;
+            }
+            ''',
+            'HAVE_ATTRIBUTE_PRINTF_FORMAT',
+            addmain=False,
+            msg='Checking for printf format validation support')
+
         conf.CHECK_FUNCS('gethostbyaddr_r gethostbyname_r')
         # Solaris
         conf.CHECK_FUNCS('__posix_getpwnam_r __posix_getpwuid_r')