diff options
Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libc/unlink.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/c/src/lib/libc/unlink.c b/c/src/lib/libc/unlink.c new file mode 100644 index 0000000000..d4a5520bcb --- /dev/null +++ b/c/src/lib/libc/unlink.c @@ -0,0 +1,44 @@ +/* + * unlink() - POSIX 1003.1b - 5.5.1 - Remove an existing link + * + * 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 <errno.h> + +#include "libio_.h" + +int unlink( + const char *path +) +{ + rtems_filesystem_location_info_t loc; + int result; + + /* + * Get the node to be unlinked. + */ + + result = rtems_filesystem_evaluate_path( path, 0, &loc, FALSE ); + if ( result != 0 ) + return -1; + + if ( !loc.ops->node_type ) + set_errno_and_return_minus_one( ENOTSUP ); + + if ( (*loc.ops->node_type)( &loc ) == RTEMS_FILESYSTEM_DIRECTORY ) + set_errno_and_return_minus_one( EISDIR ); + + if ( !loc.ops->unlink ) + set_errno_and_return_minus_one( ENOTSUP ); + + return (*loc.ops->unlink)( &loc ); +} |