diff options
Diffstat (limited to '')
-rw-r--r-- | c/src/exec/libcsupport/src/fchmod.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/c/src/exec/libcsupport/src/fchmod.c b/c/src/exec/libcsupport/src/fchmod.c new file mode 100644 index 0000000000..a3ca4507ab --- /dev/null +++ b/c/src/exec/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 ); +} + |