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6b547686c5
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351636 91177308-0d34-0410-b5e6-96231b3b80d8
91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
/*===-- include/llvm-c/DataTypes.h - Define fixed size types ------*- C -*-===*\
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|* *|
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|* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
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|* Exceptions. *|
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|* See https://llvm.org/LICENSE.txt for license information. *|
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|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
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|* *|
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|*===----------------------------------------------------------------------===*|
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|* *|
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|* This file contains definitions to figure out the size of _HOST_ data types.*|
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|* This file is important because different host OS's define different macros,*|
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|* which makes portability tough. This file exports the following *|
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|* definitions: *|
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|* *|
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|* [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*|
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|* [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values. *|
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|* *|
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|* No library is required when using these functions. *|
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|* *|
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|*===----------------------------------------------------------------------===*/
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/* Please leave this file C-compatible. */
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#ifndef LLVM_C_DATATYPES_H
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#define LLVM_C_DATATYPES_H
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#ifdef __cplusplus
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#include <cmath>
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#else
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#include <math.h>
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#endif
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#include <inttypes.h>
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#include <stdint.h>
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#ifndef _MSC_VER
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#if !defined(UINT32_MAX)
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# error "The standard header <cstdint> is not C++11 compliant. Must #define "\
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"__STDC_LIMIT_MACROS before #including llvm-c/DataTypes.h"
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#endif
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#if !defined(UINT32_C)
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# error "The standard header <cstdint> is not C++11 compliant. Must #define "\
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"__STDC_CONSTANT_MACROS before #including llvm-c/DataTypes.h"
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#endif
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/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
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#include <sys/types.h>
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#ifdef _AIX
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// GCC is strict about defining large constants: they must have LL modifier.
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#undef INT64_MAX
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#undef INT64_MIN
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#endif
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#else /* _MSC_VER */
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#ifdef __cplusplus
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#include <cstddef>
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#include <cstdlib>
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#else
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#include <stddef.h>
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#include <stdlib.h>
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#endif
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#include <sys/types.h>
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#if defined(_WIN64)
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typedef signed __int64 ssize_t;
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#else
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typedef signed int ssize_t;
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#endif /* _WIN64 */
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#endif /* _MSC_VER */
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/* Set defaults for constants which we cannot find. */
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#if !defined(INT64_MAX)
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# define INT64_MAX 9223372036854775807LL
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#endif
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#if !defined(INT64_MIN)
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# define INT64_MIN ((-INT64_MAX)-1)
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#endif
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#if !defined(UINT64_MAX)
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# define UINT64_MAX 0xffffffffffffffffULL
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#endif
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#ifndef HUGE_VALF
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#define HUGE_VALF (float)HUGE_VAL
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#endif
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#endif /* LLVM_C_DATATYPES_H */
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