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1 | (* Copyright (C) 2017 Matthew Fluet. |
2 | * Copyright (C) 2002-2007 Henry Cejtin, Matthew Fluet, Suresh | |
3 | * Jagannathan, and Stephen Weeks. | |
4 | * | |
5 | * MLton is released under a BSD-style license. | |
6 | * See the file MLton-LICENSE for details. | |
7 | *) | |
8 | ||
9 | functor MLtonIO (S: MLTON_IO_ARG): MLTON_IO = | |
10 | struct | |
11 | ||
12 | open S | |
13 | ||
14 | fun mkstemps {prefix, suffix}: string * outstream = | |
15 | let | |
16 | fun loop () = | |
17 | let | |
18 | val name = concat [prefix, MLtonRandom.alphaNumString 6, suffix] | |
19 | open Posix.FileSys | |
20 | in | |
21 | (name, | |
22 | newOut (createf (name, O_WRONLY, O.flags [O.excl], | |
23 | let open S | |
24 | in flags [irusr, iwusr] | |
25 | end), | |
26 | name)) | |
27 | end handle e as PosixError.SysErr (_, s) => | |
28 | if s = SOME Posix.Error.exist | |
29 | then loop () | |
30 | else raise e | |
31 | in | |
32 | loop () | |
33 | end | |
34 | ||
35 | fun mkstemp s = mkstemps {prefix = s, suffix = ""} | |
36 | ||
37 | fun tempPrefix file = | |
38 | case MLtonPlatform.OS.host of | |
39 | MLtonPlatform.OS.MinGW => | |
40 | (case MinGW.getTempPath () of | |
41 | SOME d => d | |
42 | | NONE => "C:\\temp\\") ^ file | |
43 | | _ => "/tmp/" ^ file | |
44 | ||
45 | end |