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Bug 772187 - OS.Type refactoring (Windows-specific). r=froydnj

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This commit is contained in:
David Rajchenbach-Teller 2012-08-09 15:13:46 -04:00
parent f91eddba9b
commit c56ca54b3a
1 changed files with 18 additions and 32 deletions
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50
toolkit/components/osfile/osfile_win_back.jsm
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@ -73,70 +73,56 @@
// Initialize types
Types.HANDLE =
new Type("HANDLE",
ctypes.voidptr_t);
Types.voidptr_t.withName("HANDLE");
/**
* A C integer holding INVALID_HANDLE_VALUE in case of error or
* a file descriptor in case of success.
*/
Types.maybe_HANDLE =
new Type("maybe_HANDLE",
Types.HANDLE.implementation,
function (maybe) {
if (ctypes.cast(maybe, ctypes.int).value == invalid_handle) {
// Ensure that API clients can effectively compare against
// Const.INVALID_HANDLE_VALUE. Without this cast,
// == would always return |false|.
return invalid_handle;
}
return ctypes.CDataFinalizer(maybe, _CloseHandle);
});
Types.HANDLE.withName("maybe_HANDLE");
Types.maybe_HANDLE.importFromC =
function maybe_HANDLE_importFromC(maybe) {
if (Types.int.cast(maybe).value == INVALID_HANDLE) {
// Ensure that API clients can effectively compare against
// Const.INVALID_HANDLE_VALUE. Without this cast,
// == would always return |false|.
return INVALID_HANDLE;
}
return ctypes.CDataFinalizer(maybe, _CloseHandle);
};
/**
* A C integer holding INVALID_HANDLE_VALUE in case of error or
* a file descriptor in case of success.
*/
Types.maybe_find_HANDLE =
new Type("maybe_find_HANDLE",
Types.HANDLE.implementation,
function (maybe) {
if (ctypes.cast(maybe, ctypes.int).value == invalid_handle) {
// Ensure that API clients can effectively compare against
// Const.INVALID_HANDLE_VALUE. Without this cast,
// == would always return |false|.
return invalid_handle;
}
return ctypes.CDataFinalizer(maybe, _FindClose);
});
Types.maybe_HANDLE.withName("maybe_find_HANDLE");
let invalid_handle = exports.OS.Constants.Win.INVALID_HANDLE_VALUE;
let INVALID_HANDLE = exports.OS.Constants.Win.INVALID_HANDLE_VALUE;
Types.DWORD = Types.int32_t;
Types.DWORD = Types.int32_t.withName("DWORD");
/**
* A C integer holding -1 in case of error or a positive integer
* in case of success.
*/
Types.negative_or_DWORD =
new Type("negative_or_DWORD",
ctypes.int32_t);
Types.DWORD.withName("negative_or_DWORD");
/**
* A C integer holding 0 in case of error or a positive integer
* in case of success.
*/
Types.zero_or_DWORD =
new Type("zero_or_DWORD",
ctypes.int32_t);
Types.DWORD.withName("zero_or_DWORD");
/**
* A C integer holding 0 in case of error, any other value in
* case of success.
*/
Types.zero_or_nothing =
new Type("zero_or_nothing",
Types.bool.implementation);
Types.int.withName("zero_or_nothing");
Types.FILETIME =
new Type("FILETIME",