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-rw-r--r--cpukit/libcsupport/src/fpathconf.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/fpathconf.c b/cpukit/libcsupport/src/fpathconf.c
new file mode 100644
index 0000000000..accaae1585
--- /dev/null
+++ b/cpukit/libcsupport/src/fpathconf.c
@@ -0,0 +1,87 @@
+/*
+ * fpathconf() - POSIX 1003.1b - 5.7.1 - Configurable Pathname Varables
+ *
+ * COPYRIGHT (c) 1989-1999.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/libio_.h>
+#include <rtems/seterr.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;
+
+ rtems_libio_check_fd(fd);
+ iop = rtems_libio_iop(fd);
+ rtems_libio_check_is_open(iop);
+ rtems_libio_check_permissions(iop, LIBIO_FLAGS_READ);
+
+ /*
+ * Now process the information request.
+ */
+
+ 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:
+ rtems_set_errno_and_return_minus_one( EINVAL );
+ break;
+ }
+
+ return return_value;
+}