175 строки
2.3 KiB
C
175 строки
2.3 KiB
C
/*
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* $HEADER$
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*
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* This file includes the C99 stdint.h file if available, and otherwise
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* defines fixed-width types according to the SIZEOF information
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* gathered by configure.
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*/
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#ifndef LAM_STDINT_H
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#define LAM_STDINT_H 1
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#include "lam_config.h"
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#else
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/*
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* Include what we can and define what is missing.
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*/
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#if HAVE_INTTYPES_H
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#include <inttypes.h>
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#endif
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#if HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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/* 8-bit */
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#if SIZEOF_CHAR == 1
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#ifndef HAVE_INT8_T
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typedef signed char int8_t;
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#endif
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#ifndef HAVE_UINT8_T
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typedef unsigned char uint8_t;
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#endif
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#else
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#error Failed to define 8-bit types
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#endif
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/* 16-bit */
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#if SIZEOF_SHORT == 2
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#ifndef HAVE_INT16_T
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typedef signed short int16_t;
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#endif
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#ifndef HAVE_UINT16_T
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typedef unsigned short uint16_t;
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#endif
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#else
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#error Failed to define 16-bit types
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#endif
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/* 32-bit */
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#if SIZEOF_INT == 4
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#ifndef HAVE_INT32_T
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typedef signed int int32_t;
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#endif
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#ifndef HAVE_UINT32_T
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typedef unsigned int uint32_t;
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#endif
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#elif SIZEOF_LONG == 4
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#ifndef HAVE_INT32_T
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typedef signed long int32_t;
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#endif
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#ifndef HAVE_UINT32_T
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typedef unsigned long uint32_t;
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#endif
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#else
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#error Failed to define 32-bit types
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#endif
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/* 64-bit */
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#if SIZEOF_INT == 8
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#ifndef HAVE_INT64_T
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typedef signed int int64_t;
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#endif
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#ifndef HAVE_UINT64_T
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typedef unsigned int uint64_t;
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#endif
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#elif SIZEOF_LONG == 8
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#ifndef HAVE_INT64_T
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typedef signed long int64_t;
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#endif
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#ifndef HAVE_UINT64_T
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typedef unsigned long uint64_t;
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#endif
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#elif HAVE_LONG_LONG && SIZEOF_LONG_LONG == 8
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#ifndef HAVE_INT64_T
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typedef signed long long int64_t;
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#endif
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#ifndef HAVE_UINT64_T
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typedef unsigned long long uint64_t;
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#endif
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#else
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#error Failed to define 64-bit types
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#endif
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/* Pointers */
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#if SIZEOF_VOID_P == SIZEOF_INT
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#ifndef HAVE_INTPTR_T
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typedef signed int intptr_t;
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#endif
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#ifndef HAVE_UINTPTR_T
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typedef unsigned int uintptr_t;
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#endif
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#elif SIZEOF_VOID_P == SIZEOF_LONG
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#ifndef HAVE_INTPTR_T
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typedef signed long intptr_t;
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#endif
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#ifndef HAVE_UINTPTR_T
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typedef unsigned long uintptr_t;
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#endif
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#elif HAVE_LONG_LONG && SIZEOF_VOID_P == SIZEOF_LONG_LONG
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#ifndef HAVE_INTPTR_T
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typedef signed long long intptr_t;
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#endif
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#ifndef HAVE_UINTPTR_T
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typedef unsigned long long uintptr_t;
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#endif
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#else
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#error Failed to define pointer-sized integer types
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#endif
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#endif /* HAVE_STDINT_H */
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#endif /* LAM_STDINT_H */
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