X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Fferror.c;h=f683787e567975ad8cd759b58bee255a16ddc990;hb=0e35e82c5e9a0804864839e8fc0e985b1ae41f07;hp=6f24080697ba63e435fe41c1b6583857ef64603e;hpb=52e702f02142dc34a476f01ca6bf8257cc9bc7e4;p=pdclib.old

diff --git a/functions/stdio/ferror.c b/functions/stdio/ferror.c
index 6f24080..f683787 100644
--- a/functions/stdio/ferror.c
+++ b/functions/stdio/ferror.c
@@ -9,12 +9,21 @@
 #include <stdio.h>
 
 #ifndef REGTEST
+#include <_PDCLIB_io.h>
 
-int ferror( struct _PDCLIB_file_t * stream )
+int ferror_unlocked( FILE * stream )
 {
     return stream->status & _PDCLIB_ERRORFLAG;
 }
 
+int ferror( FILE * stream )
+{
+    flockfile( stream );
+    int error = ferror_unlocked( stream );
+    funlockfile( stream );
+    return error;
+}
+
 #endif
 
 #ifdef TEST
@@ -27,3 +36,4 @@ int main( void )
 }
 
 #endif
+