X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Fclearerr.c;h=20af80f298b4a1e792e6e8de80b5cce58f4e977a;hb=0e35e82c5e9a0804864839e8fc0e985b1ae41f07;hp=af25029032f1fc4d79ec89654bb4bd690a81592e;hpb=f0c4a925a835e6efd444b2de5406219551dc65d4;p=pdclib.old

diff --git a/functions/stdio/clearerr.c b/functions/stdio/clearerr.c
index af25029..20af80f 100644
--- a/functions/stdio/clearerr.c
+++ b/functions/stdio/clearerr.c
@@ -9,12 +9,20 @@
 #include <stdio.h>
 
 #ifndef REGTEST
+#include <_PDCLIB_io.h>
 
-void clearerr( struct _PDCLIB_file_t * stream )
+void clearerr_unlocked( FILE * stream )
 {
     stream->status &= ~( _PDCLIB_ERRORFLAG | _PDCLIB_EOFFLAG );
 }
 
+void clearerr( FILE * stream )
+{
+    flockfile( stream );
+    clearerr_unlocked( stream );
+    funlockfile( stream );
+}
+
 #endif
 
 #ifdef TEST
@@ -28,6 +36,7 @@ int main( void )
     TESTCASE( ! ferror( fh ) );
     TESTCASE( ! feof( fh ) );
     /* Reading from input stream - should provoke error */
+    /* FIXME: Apparently glibc disagrees on this assumption. How to provoke error on glibc? */
     TESTCASE( fgetc( fh ) == EOF );
     TESTCASE( ferror( fh ) );
     TESTCASE( ! feof( fh ) );