1 //===- AutoConvert.h - Auto conversion between ASCII/EBCDIC -----*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file contains functions used for auto conversion between
10 // ASCII/EBCDIC codepages specific to z/OS.
11 //
12 //===----------------------------------------------------------------------===//i
13 
14 #ifndef LLVM_SUPPORT_AUTOCONVERT_H
15 #define LLVM_SUPPORT_AUTOCONVERT_H
16 
17 #ifdef __MVS__
18 #include <_Ccsid.h>
19 #ifdef __cplusplus
20 #include <system_error>
21 #endif // __cplusplus
22 
23 #define CCSID_IBM_1047 1047
24 #define CCSID_UTF_8 1208
25 #define CCSID_ISO8859_1 819
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif // __cplusplus
30 int enableAutoConversion(int FD);
31 int disableAutoConversion(int FD);
32 int restoreStdHandleAutoConversion(int FD);
33 #ifdef __cplusplus
34 }
35 #endif // __cplusplus
36 
37 #ifdef __cplusplus
38 namespace llvm {
39 
40 /// \brief Disable the z/OS enhanced ASCII auto-conversion for the file
41 /// descriptor.
42 std::error_code disableAutoConversion(int FD);
43 
44 /// \brief Query the z/OS enhanced ASCII auto-conversion status of a file
45 /// descriptor and force the conversion if the file is not tagged with a
46 /// codepage.
47 std::error_code enableAutoConversion(int FD);
48 
49 /// Restore the z/OS enhanced ASCII auto-conversion for the std handle.
50 std::error_code restoreStdHandleAutoConversion(int FD);
51 
52 /// \brief Set the tag information for a file descriptor.
53 std::error_code setFileTag(int FD, int CCSID, bool Text);
54 
55 } // namespace llvm
56 #endif // __cplusplus
57 
58 #endif // __MVS__
59 
60 #endif // LLVM_SUPPORT_AUTOCONVERT_H
61