Added test for interactive streams (_IOLBF / _IOFBF)

[pdclib] / platform / example / functions / _PDCLIB / isinteractive.c

diff --git a/platform/example/functions/_PDCLIB/isinteractive.c b/platform/example/functions/_PDCLIB/isinteractive.c
new file mode 100644 (file)
index 0000000..ec3e778
--- /dev/null
+++ b/platform/example/functions/_PDCLIB/isinteractive.c
@@ -0,0 +1,38 @@
+/* $Id$ */
+
+/* _PDCLIB_isinteractive( _PDCLIB_fd_t fd )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+/* This is an example implementation of _PDCLIB_isinteractive() (declared in
+   _PDCLIB_glue.h), fit for use in POSIX kernels.
+   If you do not have an equivalent function, replace this with a return (1)
+   and you will have all streams line-buffered by default.
+*/
+
+#ifndef REGTEST
+#include <_PDCLIB_glue.h>
+
+int isatty( int );
+
+int _PDCLIB_isinteractive( int fd )
+{
+    return isatty( fd );
+}
+
+#endif
+
+#ifdef TEST
+/* TODO: Work around the following undef */
+#undef SEEK_SET
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    TESTCASE( NO_TESTDRIVER );
+    return TEST_RESULTS;
+}
+
+#endif