1dce9a72dSNico Weber /*===-- include/llvm-c/DataTypes.h - Define fixed size types ------*- C -*-===*\ 2dce9a72dSNico Weber |* *| 3*2946cd70SChandler Carruth |* Part of the LLVM Project, under the Apache License v2.0 with LLVM *| 4*2946cd70SChandler Carruth |* Exceptions. *| 5*2946cd70SChandler Carruth |* See https://llvm.org/LICENSE.txt for license information. *| 6*2946cd70SChandler Carruth |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *| 7dce9a72dSNico Weber |* *| 8dce9a72dSNico Weber |*===----------------------------------------------------------------------===*| 9dce9a72dSNico Weber |* *| 10dce9a72dSNico Weber |* This file contains definitions to figure out the size of _HOST_ data types.*| 11dce9a72dSNico Weber |* This file is important because different host OS's define different macros,*| 12dce9a72dSNico Weber |* which makes portability tough. This file exports the following *| 13dce9a72dSNico Weber |* definitions: *| 14dce9a72dSNico Weber |* *| 15dce9a72dSNico Weber |* [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*| 16dce9a72dSNico Weber |* [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values. *| 17dce9a72dSNico Weber |* *| 18dce9a72dSNico Weber |* No library is required when using these functions. *| 19dce9a72dSNico Weber |* *| 20dce9a72dSNico Weber |*===----------------------------------------------------------------------===*/ 21dce9a72dSNico Weber 22dce9a72dSNico Weber /* Please leave this file C-compatible. */ 23dce9a72dSNico Weber 24dce9a72dSNico Weber #ifndef LLVM_C_DATATYPES_H 25dce9a72dSNico Weber #define LLVM_C_DATATYPES_H 26dce9a72dSNico Weber 27dce9a72dSNico Weber #include <inttypes.h> 28dce9a72dSNico Weber #include <stdint.h> 29dce9a72dSNico Weber 30dce9a72dSNico Weber #ifndef _MSC_VER 31dce9a72dSNico Weber 32dce9a72dSNico Weber #if !defined(UINT32_MAX) 33dce9a72dSNico Weber # error "The standard header <cstdint> is not C++11 compliant. Must #define "\ 34dce9a72dSNico Weber "__STDC_LIMIT_MACROS before #including llvm-c/DataTypes.h" 35dce9a72dSNico Weber #endif 36dce9a72dSNico Weber 37dce9a72dSNico Weber #if !defined(UINT32_C) 38dce9a72dSNico Weber # error "The standard header <cstdint> is not C++11 compliant. Must #define "\ 39dce9a72dSNico Weber "__STDC_CONSTANT_MACROS before #including llvm-c/DataTypes.h" 40dce9a72dSNico Weber #endif 41dce9a72dSNico Weber 42dce9a72dSNico Weber /* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */ 43dce9a72dSNico Weber #include <sys/types.h> 44dce9a72dSNico Weber 45dce9a72dSNico Weber #ifdef _AIX 46dce9a72dSNico Weber // GCC is strict about defining large constants: they must have LL modifier. 47dce9a72dSNico Weber #undef INT64_MAX 48dce9a72dSNico Weber #undef INT64_MIN 49dce9a72dSNico Weber #endif 50dce9a72dSNico Weber 51dce9a72dSNico Weber #else /* _MSC_VER */ 52dce9a72dSNico Weber #ifdef __cplusplus 53dce9a72dSNico Weber #include <cstddef> 54dce9a72dSNico Weber #include <cstdlib> 55dce9a72dSNico Weber #else 56dce9a72dSNico Weber #include <stddef.h> 57dce9a72dSNico Weber #include <stdlib.h> 58dce9a72dSNico Weber #endif 59dce9a72dSNico Weber #include <sys/types.h> 60dce9a72dSNico Weber 61dce9a72dSNico Weber #if defined(_WIN64) 62dce9a72dSNico Weber typedef signed __int64 ssize_t; 63dce9a72dSNico Weber #else 64dce9a72dSNico Weber typedef signed int ssize_t; 65dce9a72dSNico Weber #endif /* _WIN64 */ 66dce9a72dSNico Weber 67dce9a72dSNico Weber #endif /* _MSC_VER */ 68dce9a72dSNico Weber 69dce9a72dSNico Weber /* Set defaults for constants which we cannot find. */ 70dce9a72dSNico Weber #if !defined(INT64_MAX) 71dce9a72dSNico Weber # define INT64_MAX 9223372036854775807LL 72dce9a72dSNico Weber #endif 73dce9a72dSNico Weber #if !defined(INT64_MIN) 74dce9a72dSNico Weber # define INT64_MIN ((-INT64_MAX)-1) 75dce9a72dSNico Weber #endif 76dce9a72dSNico Weber #if !defined(UINT64_MAX) 77dce9a72dSNico Weber # define UINT64_MAX 0xffffffffffffffffULL 78dce9a72dSNico Weber #endif 79dce9a72dSNico Weber 80dce9a72dSNico Weber #endif /* LLVM_C_DATATYPES_H */ 81