1 files changed, 91 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/fpathconf.c b/cpukit/libcsupport/src/fpathconf.c
new file mode 100644
index 0000000000..ea2377e15b
--- /dev/null
+++ b/cpukit/libcsupport/src/fpathconf.c
@@ -0,0 +1,91 @@
+/*
+ *  fpathconf() - POSIX 1003.1b - 5.7.1 - Configurable Pathname Varables
+ *
+ *  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 "libio_.h"
+
+#include <unistd.h>
+#include <errno.h>
+
+long fpathconf(
+  int   fd,
+  int   name
+)
+{
+  long                                    return_value;
+  rtems_libio_t                          *iop;
+  rtems_filesystem_limits_and_options_t  *the_limits;
+
+  /*
+   *  If this file descriptor is mapped to an external set of handlers,
+   *  then it is an error since fpathconf() is not included in the 
+   *  set.
+   */
+
+  if ( rtems_file_descriptor_type( fd ) )
+    set_errno_and_return_minus_one( EBADF );
+
+  /*
+   *  Now process the information request.
+   */
+
+  iop = rtems_libio_iop(fd);
+  rtems_libio_check_fd(fd);
+  rtems_libio_check_permissions(iop, LIBIO_FLAGS_READ);
+
+  the_limits = &iop->pathinfo.mt_entry->pathconf_limits_and_options;
+
+  switch ( name ) {
+    case _PC_LINK_MAX:
+      return_value = the_limits->link_max;
+      break;
+    case _PC_MAX_CANON:
+      return_value = the_limits->max_canon;
+      break;
+    case _PC_MAX_INPUT:
+      return_value = the_limits->max_input;
+      break;
+    case _PC_NAME_MAX:
+      return_value = the_limits->name_max;
+      break;
+    case _PC_PATH_MAX:
+      return_value = the_limits->path_max;
+      break;
+    case _PC_PIPE_BUF:
+      return_value = the_limits->pipe_buf;
+      break;
+    case _PC_CHOWN_RESTRICTED:
+      return_value = the_limits->posix_chown_restrictions;
+      break;
+    case _PC_NO_TRUNC:
+      return_value = the_limits->posix_no_trunc;
+      break;
+    case _PC_VDISABLE:
+      return_value = the_limits->posix_vdisable;
+      break;
+    case _PC_ASYNC_IO:
+      return_value = the_limits->posix_async_io;
+      break;
+    case _PC_PRIO_IO:
+      return_value = the_limits->posix_prio_io;
+      break;
+    case _PC_SYNC_IO:
+      return_value = the_limits->posix_sync_io;
+      break;
+    default:
+      set_errno_and_return_minus_one( EINVAL );
+      break;
+  }
+
+  return return_value;
+}