PDCLIB-16: Add _unlocked variations of all I/O routines; move work into these versions

[pdclib] / functions / stdio / vfprintf.c

diff --git a/functions/stdio/vfprintf.c b/functions/stdio/vfprintf.c
index cc6e7a6e40388f9c65a187c3df3bea8e7e3dff8c..ffb4bbe6e49794509ccf20d018e924e22d0ac22c 100644 (file)
--- a/functions/stdio/vfprintf.c
+++ b/functions/stdio/vfprintf.c
@@ -12,7 +12,9 @@
 
 #ifndef REGTEST
 
-int vfprintf( struct _PDCLIB_file_t * _PDCLIB_restrict stream, const char * _PDCLIB_restrict format, va_list arg )
+int vfprintf_unlocked( struct _PDCLIB_file_t * _PDCLIB_restrict stream, 
+                       const char * _PDCLIB_restrict format, 
+                       va_list arg )
 {
     /* TODO: This function should interpret format as multibyte characters.  */
     struct _PDCLIB_status_t status;
@@ -46,6 +48,16 @@ int vfprintf( struct _PDCLIB_file_t * _PDCLIB_restrict stream, const char * _PDC
     return status.i;
 }
 
+int vfprintf( struct _PDCLIB_file_t * _PDCLIB_restrict stream, 
+              const char * _PDCLIB_restrict format, 
+              va_list arg )
+{
+    flockfile( stream );
+    int r = vfprintf_unlocked( stream, format, arg );
+    funlockfile( stream );
+    return r;
+}
+
 #endif
 
 #ifdef TEST