* ffluci/core: fs.lua: add wrapper for mkdir() to allow recursive creation of directo...

diff --git a/core/src/fs.lua b/core/src/fs.lua
index 70962ba59d596c04cbaa8eb7340d079b12aa3869..fc47287b90f4a3890e973dd9844f506727b0e110 100644 (file)
--- a/core/src/fs.lua
+++ b/core/src/fs.lua
@@ -12,9 +12,9 @@ Copyright 2008 Steven Barth <steven@midlink.org>
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
-You may obtain a copy of the License at 
+You may obtain a copy of the License at
 
-       http://www.apache.org/licenses/LICENSE-2.0 
+       http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
@@ -36,32 +36,32 @@ function isfile(filename)
        local fp = io.open(filename, "r")
        if fp then fp:close() end
        return fp ~= nil
-end    
+end
 
 -- Returns the content of file
 function readfile(filename)
        local fp, err = io.open(filename)
-       
+
        if fp == nil then
                return nil, err
        end
-       
+
        local data = fp:read("*a")
        fp:close()
-       return data     
+       return data
 end
 
 -- Writes given data to a file
 function writefile(filename, data)
        local fp, err = io.open(filename, "w")
-       
+
        if fp == nil then
                return nil, err
        end
-       
+
        fp:write(data)
        fp:close()
-       
+
        return true
 end
 
@@ -79,8 +79,39 @@ dirname = posix.dirname
 -- dir wrapper
 dir = posix.dir
 
--- Alias for posix.mkdir
-mkdir = posix.mkdir
+-- wrapper for posix.mkdir
+function mkdir(path, recursive)
+       if recursive then
+               local base = "."
+
+               if path:sub(1,1) == "/" then
+                       base = ""
+                       path = path:gsub("^/+","")
+               end
+
+               for elem in path:gmatch("([^/]+)/*") do
+                       base = base .. "/" .. elem
+
+                       local stat = posix.stat( base )
+
+                       if not stat then
+                               local stat, errmsg, errno = posix.mkdir( base )
+
+                               if type(stat) ~= "number" or stat ~= 0 then
+                                       return stat, errmsg, errno
+                               end
+                       else
+                               if stat.type ~= "directory" then
+                                       return nil, base .. ": File exists", 17
+                               end
+                       end
+               end
+
+               return 0
+       else
+               return posix.mkdir( path )
+       end
+end
 
 -- Alias for posix.rmdir
 rmdir = posix.rmdir
@@ -95,4 +126,4 @@ chmod = posix.chmod
 link = posix.link
 
 -- Alias for posix.unlink
-unlink = posix.unlink
\ No newline at end of file
+unlink = posix.unlink