From: Owen Shepherd <owen.shepherd@e43.eu>
Date: Wed, 20 Feb 2013 01:01:40 +0000 (+0000)
Subject: gets: lock file before performing read
X-Git-Url: https://pd.if.org/git/?p=pdclib;a=commitdiff_plain;h=e836b9b3bd886a45b4493b22989ee9b322a02e9e

gets: lock file before performing read
---

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';