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'__builtin_unreachable' is not available on Windows

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Replaced with macro that inserts Windows equivalent
This commit is contained in:
Matt Powley 2019-03-21 12:31:02 +00:00
parent cdcc26134e
commit ff21be2947
3 changed files with 59 additions and 6 deletions
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5
include/jwt/algorithm.hpp
View file

@ -43,6 +43,7 @@ SOFTWARE.
#include <openssl/buffer.h>
#include <openssl/opensslv.h>
#include "jwt/assertions.hpp"
#include "jwt/exceptions.hpp"
#include "jwt/string_view.hpp"
#include "jwt/error_codes.hpp"
@ -239,7 +240,7 @@ inline jwt::string_view alg_to_str(SCOPED_ENUM algorithm alg) noexcept
default: assert (0 && "Unknown Algorithm");
};
return "UNKN";
assert (0 && "Code not reached");
JWT_NOT_REACHED("Code not reached");
}
/**
@ -263,7 +264,7 @@ inline SCOPED_ENUM algorithm str_to_alg(const jwt::string_view alg) noexcept
return algorithm::UNKN;
assert (0 && "Code not reached");
JWT_NOT_REACHED("Code not reached");
}
/**

51
include/jwt/assertions.hpp Normal file
View file

@ -0,0 +1,51 @@
/*
Copyright (c) 2017 Arun Muralidharan
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#ifndef CPP_JWT_ASSERTIONS_HPP
#define CPP_JWT_ASSERTIONS_HPP
#include <cassert>
namespace jwt {
#if defined(__clang__)
# define JWT_NOT_REACHED_MARKER() __builtin_unreachable()
#elif defined(__GNUC__)
# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
# define JWT_NOT_REACHED_MARKER() __builtin_unreachable()
# endif
#elif defined(_MSC_VER)
# define JWT_NOT_REACHED_MARKER() __assume(0)
#endif
#if defined(DEBUG)
# define JWT_NOT_REACHED(reason) do { \
assert (0 && reason); \
JWT_NOT_REACHED_MARKER(); \
} while (0)
#else
# define JWT_NOT_REACHED(reason) JWT_NOT_REACHED_MARKER()
#endif
} // END namespace jwt
#endif

9
include/jwt/jwt.hpp
View file

@ -31,6 +31,7 @@ SOFTWARE.
#include <cassert>
#include <cstring>
#include "jwt/assertions.hpp"
#include "jwt/base64.hpp"
#include "jwt/config.hpp"
#include "jwt/algorithm.hpp"
@ -67,7 +68,7 @@ inline enum type str_to_type(const jwt::string_view typ) noexcept
if (!strcasecmp(typ.data(), "jwt")) return type::JWT;
else if(!strcasecmp(typ.data(), "none")) return type::NONE;
assert (0 && "Code not reached");
JWT_NOT_REACHED("Code not reached");
return type::NONE;
}
@ -82,8 +83,8 @@ inline jwt::string_view type_to_str(SCOPED_ENUM type typ)
case type::JWT: return "JWT";
default: assert (0 && "Unknown type");
};
__builtin_unreachable();
assert (0 && "Code not reached");
JWT_NOT_REACHED("Code not reached");
}
@ -125,8 +126,8 @@ inline jwt::string_view reg_claims_to_str(SCOPED_ENUM registered_claims claim) n
case registered_claims::jti: return "jti";
default: assert (0 && "Not a registered claim");
};
JWT_NOT_REACHED("Code not reached");
return "";
assert (0 && "Code not reached");
}
/**