X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdio%2Fferror.c;h=394dcda2bc7dd07dee9cad93b61dfd95ec50ddd1;hp=7ca531ed441bb00eec8b35e59370b6928f7aa798;hb=6ca24b75c75b9c6f22e1e69693d326b8e3330841;hpb=6cb7e8dab67e8807aad79c3bdc8f96d78a5e5dbc

diff --git a/functions/stdio/ferror.c b/functions/stdio/ferror.c
index 7ca531e..394dcda 100644
--- a/functions/stdio/ferror.c
+++ b/functions/stdio/ferror.c
@@ -10,11 +10,19 @@
 
 #ifndef REGTEST
 
-int ferror( struct _PDCLIB_file_t * stream )
+int ferror_unlocked( struct _PDCLIB_file_t * stream )
 {
     return stream->status & _PDCLIB_ERRORFLAG;
 }
 
+int ferror( struct _PDCLIB_file_t * stream )
+{
+    flockfile( stream );
+    int error = ferror_unlocked( stream );
+    funlockfile( stream );
+    return error;
+}
+
 #endif
 
 #ifdef TEST