From a31f895e9a7ac1aec1a7d188a52f04f0544879e2 Mon Sep 17 00:00:00 2001
From: Owen Shepherd <owen.shepherd@e43.eu>
Date: Wed, 20 Feb 2013 01:01:40 +0000
Subject: [PATCH] gets: lock file before performing read

---
 functions/stdio/gets.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/functions/stdio/gets.c b/functions/stdio/gets.c
index 83a261e..798df76 100644
--- a/functions/stdio/gets.c
+++ b/functions/stdio/gets.c
@@ -14,13 +14,16 @@
 
 char * gets( char * s )
 {
+    _PDCLIB_flockfile( stdin );
     if ( _PDCLIB_prepread( stdin ) == EOF )
     {
+        _PDCLIB_funlockfile( stdin );
         return NULL;
     }
     char * dest = s;
     
     dest += _PDCLIB_getchars( dest, SIZE_MAX, '\n', stdin );
+    _PDCLIB_funlockfile( stdin );
 
     if(*(dest - 1) == '\n') {
         *(--dest) = '\0';
-- 
2.40.0