diff options
Diffstat (limited to 'erts/preloaded/src/erl_prim_loader.erl')
| -rw-r--r-- | erts/preloaded/src/erl_prim_loader.erl | 109 |
1 files changed, 58 insertions, 51 deletions
diff --git a/erts/preloaded/src/erl_prim_loader.erl b/erts/preloaded/src/erl_prim_loader.erl index 14a7a2bf20..f820d6226d 100644 --- a/erts/preloaded/src/erl_prim_loader.erl +++ b/erts/preloaded/src/erl_prim_loader.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -824,10 +824,11 @@ prim_set_primary_archive(PS, undefined, undefined, undefined) -> debug(PS2, {return, Res}), {Res, PS2} end; -prim_set_primary_archive(PS, ArchiveFile, ArchiveBin, #file_info{} = FileInfo) - when is_list(ArchiveFile), is_binary(ArchiveBin) -> +prim_set_primary_archive(PS, ArchiveFile0, ArchiveBin, #file_info{} = FileInfo) + when is_list(ArchiveFile0), is_binary(ArchiveBin) -> %% Try the archive file - debug(PS, {set_primary_archive, ArchiveFile, byte_size(ArchiveBin)}), + debug(PS, {set_primary_archive, ArchiveFile0, byte_size(ArchiveBin)}), + ArchiveFile = absname(ArchiveFile0), {Res3, PS3} = case PS#prim_state.primary_archive of undefined -> @@ -1084,6 +1085,8 @@ open_archive(Archive, FileInfo, Acc, Fun) -> ensure_virtual_dirs(Funny, Fun, FakeFI, Includes, FunnyDirs, Acc) -> case Funny of + [_] -> + {Includes, FunnyDirs, Acc}; [_ | FunnyDir] -> case lists:member(FunnyDir, FunnyDirs) of % BIF false -> @@ -1096,11 +1099,9 @@ ensure_virtual_dirs(Funny, Fun, FakeFI, Includes, FunnyDirs, Acc) -> {_Continue, Acc3} = Fun({VirtualDir, GetInfo, GetBin}, Acc2), {I, F, Acc3}; true -> - {reverse(Includes), FunnyDirs, Acc} - end; - [] -> - {reverse(Includes), FunnyDirs, Acc} - end. + ensure_virtual_dirs(FunnyDir,Fun,FakeFI,Includes,FunnyDirs,Acc) + end + end. foldl_archive(PrimZip, Acc, Fun) -> Wrapper = @@ -1235,26 +1236,22 @@ do_name_split(undefined, File) -> %% False match. Assume plain file {file, File} end; -do_name_split(ArchiveFile0, File) -> +do_name_split(ArchiveFile, File) -> %% Look first in primary archive - ArchiveFile = absname(ArchiveFile0), case string_match(File, ArchiveFile, []) of no_match -> %% Archive or plain file do_name_split(undefined, File); {match, _RevPrimArchiveFile, FileInArchive} -> %% Primary archive - case FileInArchive of - [$/ | FileInArchive2] -> - {archive, ArchiveFile, FileInArchive2}; - _ -> - {archive, ArchiveFile, FileInArchive} - end + {archive, ArchiveFile, FileInArchive} end. string_match([Char | File], [Char | Archive], RevTop) -> string_match(File, Archive, [Char | RevTop]); -string_match(File, [], RevTop) -> +string_match([] = File, [], RevTop) -> + {match, RevTop, File}; +string_match([$/ | File], [], RevTop) -> {match, RevTop, File}; string_match(_File, _Archive, _RevTop) -> no_match. @@ -1307,24 +1304,26 @@ ipv4_addr([], D, [C,B,A]) when D < 256 -> {A,B,C,D}. %% A simplified version of filename:absname/1 absname(Name) -> Name2 = normalize(Name, []), - case pathtype(Name2) of - absolute -> - Name2; - relative -> - case prim_file:get_cwd() of - {ok, Cwd} -> - Cwd ++ "/" ++ Name2; - {error, _} -> - Name2 - end; - volumerelative -> - case prim_file:get_cwd() of - {ok, Cwd} -> - absname_vr(Name2, Cwd); - {error, _} -> - Name2 - end - end. + Name3 = + case pathtype(Name2) of + absolute -> + Name2; + relative -> + case prim_file:get_cwd() of + {ok, Cwd} -> + Cwd ++ "/" ++ Name2; + {error, _} -> + Name2 + end; + volumerelative -> + case prim_file:get_cwd() of + {ok, Cwd} -> + absname_vr(Name2, Cwd); + {error, _} -> + Name2 + end + end, + path_flatten(Name3). %% Assumes normalized name absname_vr([$/ | NameRest], [Drive, $\: | _]) -> @@ -1380,22 +1379,12 @@ win32_pathtype(Name) -> win32_pathtype([Char | List++Rest]); [$/, $/|_] -> absolute; - [$\\, $/|_] -> - absolute; - [$/, $\\|_] -> - absolute; - [$\\, $\\|_] -> - absolute; [$/|_] -> volumerelative; - [$\\|_] -> - volumerelative; [C1, C2, List | Rest] when is_list(List) -> - pathtype([C1, C2|List ++ Rest]); + win32_pathtype([C1, C2|List ++ Rest]); [_Letter, $:, $/|_] -> absolute; - [_Letter, $:, $\\|_] -> - absolute; [_Letter, $:|_] -> volumerelative; _ -> @@ -1408,8 +1397,6 @@ vxworks_first(Name) -> {not_device, [], []}; [$/ | T] -> vxworks_first2(device, T, [$/]); - [$\\ | T] -> - vxworks_first2(device, T, [$/]); [H | T] when is_list(H) -> vxworks_first(H ++ T); [H | T] -> @@ -1422,8 +1409,6 @@ vxworks_first2(Devicep, Name, FirstComp) -> {Devicep, [], FirstComp}; [$/ |T ] -> {Devicep, [$/ | T], FirstComp}; - [$\\ | T] -> - {Devicep, [$/ | T], FirstComp}; [$: | T]-> {device, T, [$: | FirstComp]}; [H | T] when is_list(H) -> @@ -1445,3 +1430,25 @@ normalize(Name, Acc) -> [] -> reverse(Acc) end. + +%% Remove .. and . from the path, e.g. +%% /path/./to/this/../file -> /path/to/file +path_flatten(Name) -> + path_flatten(Name,[],[]). + +path_flatten([$/,$.,$.,$/|Rest],_RevLast,RevTop) -> + path_flatten(Rest,[],RevTop); +path_flatten([$/,$.,$/|Rest],RevLast,RevTop) -> + path_flatten([$/|Rest],RevLast,RevTop); +path_flatten([$/,$.,$.],_RevLast,RevTop) -> + path_flatten([],[],RevTop); +path_flatten([$/,$.],RevLast,RevTop) -> + path_flatten([],RevLast,RevTop); +path_flatten([$/],RevLast,RevTop) -> + path_flatten([],RevLast,RevTop); +path_flatten([$/|Rest],RevLast,RevTop) -> + path_flatten(Rest,[],[$/|RevLast++RevTop]); +path_flatten([Ch|Rest],RevLast,RevTop) -> + path_flatten(Rest,[Ch|RevLast],RevTop); +path_flatten([],RevLast,RevTop) -> + reverse(RevLast++RevTop). |