summaryrefslogtreecommitdiffstats
path: root/cpukit/libcsupport/src/fchmod.c
diff options
context:
space:
mode:
Diffstat (limited to 'cpukit/libcsupport/src/fchmod.c')
-rw-r--r--cpukit/libcsupport/src/fchmod.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/fchmod.c b/cpukit/libcsupport/src/fchmod.c
new file mode 100644
index 0000000000..a3ca4507ab
--- /dev/null
+++ b/cpukit/libcsupport/src/fchmod.c
@@ -0,0 +1,50 @@
+/*
+ * fchmod() - POSIX 1003.1b 5.6.4 - Change File Modes
+ *
+ * COPYRIGHT (c) 1989-1998.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#include <unistd.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+#include <rtems.h>
+#include <rtems/libio.h>
+#include "libio_.h"
+
+int fchmod(
+ int fd,
+ mode_t mode
+)
+{
+ rtems_libio_t *iop;
+
+ /*
+ * If this is not a file system based entity, it is an error.
+ */
+
+ if ( rtems_file_descriptor_type( fd ) )
+ set_errno_and_return_minus_one( EBADF );
+
+ /*
+ * Now process the fchmod().
+ */
+
+ iop = rtems_libio_iop( fd );
+ rtems_libio_check_fd( fd );
+ rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
+
+ if ( !iop->handlers->fchmod )
+ set_errno_and_return_minus_one( ENOTSUP );
+
+ return (*iop->pathinfo.handlers->fchmod)( &iop->pathinfo, mode );
+}
+