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-rw-r--r--erts/preloaded/src/erl_prim_loader.erl109
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).