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Helloworld.lua: fix file_put_contents depending on a wrong return value of io.write + use a cleaner version of if(file == nil) (thanks to Christophe Gragnic)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21731 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-07-08 21:05:56 +00:00
parent 90e3b727dd
commit 408213f263
1 changed files with 3 additions and 3 deletions
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6
apps/plugins/helloworld.lua
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@ -65,7 +65,7 @@ end
-- Helper function which reads the contents of a file -- Helper function which reads the contents of a file
function file_get_contents(filename) function file_get_contents(filename)
local file = io.open(filename, "r") local file = io.open(filename, "r")
if(file == nil) then if not file then
return nil return nil
end end
@ -78,11 +78,11 @@ end
-- Helper function which saves contents to a file -- Helper function which saves contents to a file
function file_put_contents(filename, contents) function file_put_contents(filename, contents)
local file = io.open(filename, "w+") -- See Lua manual for more information local file = io.open(filename, "w+") -- See Lua manual for more information
if(file == nil) then if not file then
return false return false
end end
local ret = file:write(contents) == 1 local ret = file:write(contents) == true
file:close() -- GC takes care of this if you would've forgotten it file:close() -- GC takes care of this if you would've forgotten it
return ret return ret
end end