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author | BobTheBob <32057864+BobTheBob9@users.noreply.github.com> | 2022-08-24 00:32:31 +0100 |
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committer | GitHub <noreply@github.com> | 2022-08-24 00:32:31 +0100 |
commit | f9bc3c9d1834cb8bd5f872b749b057c33e8b0102 (patch) | |
tree | e96e2da0d95798dd42eddf644a82a74555db858f /NorthstarDLL/include/internal/endian.h | |
parent | 812893d8219daa60f5b5b7fd22cbd6b175603399 (diff) | |
download | NorthstarLauncher-f9bc3c9d1834cb8bd5f872b749b057c33e8b0102.tar.gz NorthstarLauncher-f9bc3c9d1834cb8bd5f872b749b057c33e8b0102.zip |
Adjust folder structure (#242)
* Adjust folder structure
* change launcher directory name
Diffstat (limited to 'NorthstarDLL/include/internal/endian.h')
-rw-r--r-- | NorthstarDLL/include/internal/endian.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/NorthstarDLL/include/internal/endian.h b/NorthstarDLL/include/internal/endian.h new file mode 100644 index 00000000..8b34e03e --- /dev/null +++ b/NorthstarDLL/include/internal/endian.h @@ -0,0 +1,51 @@ +/* + * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#ifndef OSSL_INTERNAL_ENDIAN_H +# define OSSL_INTERNAL_ENDIAN_H +# pragma once + +/* + * IS_LITTLE_ENDIAN and IS_BIG_ENDIAN can be used to detect the endiannes + * at compile time. To use it, DECLARE_IS_ENDIAN must be used to declare + * a variable. + * + * L_ENDIAN and B_ENDIAN can be used at preprocessor time. They can be set + * in the configarion using the lib_cppflags variable. If neither is + * set, it will fall back to code works with either endianness. + */ + +# if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) +# define DECLARE_IS_ENDIAN const int ossl_is_little_endian = __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +# define IS_LITTLE_ENDIAN (ossl_is_little_endian) +# define IS_BIG_ENDIAN (!ossl_is_little_endian) +# if defined(L_ENDIAN) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__) +# error "L_ENDIAN defined on a big endian machine" +# endif +# if defined(B_ENDIAN) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) +# error "B_ENDIAN defined on a little endian machine" +# endif +# if !defined(L_ENDIAN) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) +# define L_ENDIAN +# endif +# if !defined(B_ENDIAN) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__) +# define B_ENDIAN +# endif +# else +# define DECLARE_IS_ENDIAN \ + const union { \ + long one; \ + char little; \ + } ossl_is_endian = { 1 } + +# define IS_LITTLE_ENDIAN (ossl_is_endian.little != 0) +# define IS_BIG_ENDIAN (ossl_is_endian.little == 0) +# endif + +#endif |