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1 | /* Copyright Vladimir Prus 2003. | |
2 | * Distributed under the Boost Software License, Version 1.0. | |
3 | * (See accompanying file LICENSE_1_0.txt or copy at | |
4 | * http://www.boost.org/LICENSE_1_0.txt) | |
5 | */ | |
6 | ||
7 | #include "../constants.h" | |
8 | #include "../frames.h" | |
9 | #include "../lists.h" | |
10 | #include "../native.h" | |
11 | #include "../filesys.h" | |
12 | ||
13 | ||
14 | LIST * path_exists( FRAME * frame, int flags ) | |
15 | { | |
16 | return file_query( list_front( lol_get( frame->args, 0 ) ) ) ? | |
17 | list_new( object_copy( constant_true ) ) : L0; | |
18 | } | |
19 | ||
20 | ||
21 | void init_path() | |
22 | { | |
23 | char const * args[] = { "location", 0 }; | |
24 | declare_native_rule( "path", "exists", args, path_exists, 1 ); | |
25 | } |