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stdint.h
/* Copyright (C) 1997-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ /* * ISO C99: 7.18 Integer types <stdint.h> */ #ifndef _STDINT_H #define _STDINT_H 1 #define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION #include <bits/libc-header-start.h> #include <bits/types.h> #include <bits/wchar.h> #include <bits/wordsize.h> /* Exact integral types. */ /* Signed. */ #include <bits/stdint-intn.h> /* Unsigned. */ #include <bits/stdint-uintn.h> /* Small types. */ /* Signed. */ typedef __int_least8_t int_least8_t; typedef __int_least16_t int_least16_t; typedef __int_least32_t int_least32_t; typedef __int_least64_t int_least64_t; /* Unsigned. */ typedef __uint_least8_t uint_least8_t; typedef __uint_least16_t uint_least16_t; typedef __uint_least32_t uint_least32_t; typedef __uint_least64_t uint_least64_t; /* Fast types. */ /* Signed. */ typedef signed char int_fast8_t; #if __WORDSIZE == 64 typedef long int int_fast16_t; typedef long int int_fast32_t; typedef long int int_fast64_t; #else typedef int int_fast16_t; typedef int int_fast32_t; __extension__ typedef long long int int_fast64_t; #endif /* Unsigned. */ typedef unsigned char uint_fast8_t; #if __WORDSIZE == 64 typedef unsigned long int uint_fast16_t; typedef unsigned long int uint_fast32_t; typedef unsigned long int uint_fast64_t; #else typedef unsigned int uint_fast16_t; typedef unsigned int uint_fast32_t; __extension__ typedef unsigned long long int uint_fast64_t; #endif /* Types for `void *' pointers. */ #if __WORDSIZE == 64 # ifndef __intptr_t_defined typedef long int intptr_t; # define __intptr_t_defined # endif typedef unsigned long int uintptr_t; #else # ifndef __intptr_t_defined typedef int intptr_t; # define __intptr_t_defined # endif typedef unsigned int uintptr_t; #endif /* Largest integral types. */ typedef __intmax_t intmax_t; typedef __uintmax_t uintmax_t; # if __WORDSIZE == 64 # define __INT64_C(c) c ## L # define __UINT64_C(c) c ## UL # else # define __INT64_C(c) c ## LL # define __UINT64_C(c) c ## ULL # endif /* Limits of integral types. */ /* Minimum of signed integral types. */ # define INT8_MIN (-128) # define INT16_MIN (-32767-1) # define INT32_MIN (-2147483647-1) # define INT64_MIN (-__INT64_C(9223372036854775807)-1) /* Maximum of signed integral types. */ # define INT8_MAX (127) # define INT16_MAX (32767) # define INT32_MAX (2147483647) # define INT64_MAX (__INT64_C(9223372036854775807)) /* Maximum of unsigned integral types. */ # define UINT8_MAX (255) # define UINT16_MAX (65535) # define UINT32_MAX (4294967295U) # define UINT64_MAX (__UINT64_C(18446744073709551615)) /* Minimum of signed integral types having a minimum size. */ # define INT_LEAST8_MIN (-128) # define INT_LEAST16_MIN (-32767-1) # define INT_LEAST32_MIN (-2147483647-1) # define INT_LEAST64_MIN (-__INT64_C(9223372036854775807)-1) /* Maximum of signed integral types having a minimum size. */ # define INT_LEAST8_MAX (127) # define INT_LEAST16_MAX (32767) # define INT_LEAST32_MAX (2147483647) # define INT_LEAST64_MAX (__INT64_C(9223372036854775807)) /* Maximum of unsigned integral types having a minimum size. */ # define UINT_LEAST8_MAX (255) # define UINT_LEAST16_MAX (65535) # define UINT_LEAST32_MAX (4294967295U) # define UINT_LEAST64_MAX (__UINT64_C(18446744073709551615)) /* Minimum of fast signed integral types having a minimum size. */ # define INT_FAST8_MIN (-128) # if __WORDSIZE == 64 # define INT_FAST16_MIN (-9223372036854775807L-1) # define INT_FAST32_MIN (-9223372036854775807L-1) # else # define INT_FAST16_MIN (-2147483647-1) # define INT_FAST32_MIN (-2147483647-1) # endif # define INT_FAST64_MIN (-__INT64_C(9223372036854775807)-1) /* Maximum of fast signed integral types having a minimum size. */ # define INT_FAST8_MAX (127) # if __WORDSIZE == 64 # define INT_FAST16_MAX (9223372036854775807L) # define INT_FAST32_MAX (9223372036854775807L) # else # define INT_FAST16_MAX (2147483647) # define INT_FAST32_MAX (2147483647) # endif # define INT_FAST64_MAX (__INT64_C(9223372036854775807)) /* Maximum of fast unsigned integral types having a minimum size. */ # define UINT_FAST8_MAX (255) # if __WORDSIZE == 64 # define UINT_FAST16_MAX (18446744073709551615UL) # define UINT_FAST32_MAX (18446744073709551615UL) # else # define UINT_FAST16_MAX (4294967295U) # define UINT_FAST32_MAX (4294967295U) # endif # define UINT_FAST64_MAX (__UINT64_C(18446744073709551615)) /* Values to test for integral types holding `void *' pointer. */ # if __WORDSIZE == 64 # define INTPTR_MIN (-9223372036854775807L-1) # define INTPTR_MAX (9223372036854775807L) # define UINTPTR_MAX (18446744073709551615UL) # else # define INTPTR_MIN (-2147483647-1) # define INTPTR_MAX (2147483647) # define UINTPTR_MAX (4294967295U) # endif /* Minimum for largest signed integral type. */ # define INTMAX_MIN (-__INT64_C(9223372036854775807)-1) /* Maximum for largest signed integral type. */ # define INTMAX_MAX (__INT64_C(9223372036854775807)) /* Maximum for largest unsigned integral type. */ # define UINTMAX_MAX (__UINT64_C(18446744073709551615)) /* Limits of other integer types. */ /* Limits of `ptrdiff_t' type. */ # if __WORDSIZE == 64 # define PTRDIFF_MIN (-9223372036854775807L-1) # define PTRDIFF_MAX (9223372036854775807L) # else # if __WORDSIZE32_PTRDIFF_LONG # define PTRDIFF_MIN (-2147483647L-1) # define PTRDIFF_MAX (2147483647L) # else # define PTRDIFF_MIN (-2147483647-1) # define PTRDIFF_MAX (2147483647) # endif # endif /* Limits of `sig_atomic_t'. */ # define SIG_ATOMIC_MIN (-2147483647-1) # define SIG_ATOMIC_MAX (2147483647) /* Limit of `size_t' type. */ # if __WORDSIZE == 64 # define SIZE_MAX (18446744073709551615UL) # else # if __WORDSIZE32_SIZE_ULONG # define SIZE_MAX (4294967295UL) # else # define SIZE_MAX (4294967295U) # endif # endif /* Limits of `wchar_t'. */ # ifndef WCHAR_MIN /* These constants might also be defined in <wchar.h>. */ # define WCHAR_MIN __WCHAR_MIN # define WCHAR_MAX __WCHAR_MAX # endif /* Limits of `wint_t'. */ # define WINT_MIN (0u) # define WINT_MAX (4294967295u) /* Signed. */ # define INT8_C(c) c # define INT16_C(c) c # define INT32_C(c) c # if __WORDSIZE == 64 # define INT64_C(c) c ## L # else # define INT64_C(c) c ## LL # endif /* Unsigned. */ # define UINT8_C(c) c # define UINT16_C(c) c # define UINT32_C(c) c ## U # if __WORDSIZE == 64 # define UINT64_C(c) c ## UL # else # define UINT64_C(c) c ## ULL # endif /* Maximal type. */ # if __WORDSIZE == 64 # define INTMAX_C(c) c ## L # define UINTMAX_C(c) c ## UL # else # define INTMAX_C(c) c ## LL # define UINTMAX_C(c) c ## ULL # endif #if __GLIBC_USE (IEC_60559_BFP_EXT_C2X) # define INT8_WIDTH 8 # define UINT8_WIDTH 8 # define INT16_WIDTH 16 # define UINT16_WIDTH 16 # define INT32_WIDTH 32 # define UINT32_WIDTH 32 # define INT64_WIDTH 64 # define UINT64_WIDTH 64 # define INT_LEAST8_WIDTH 8 # define UINT_LEAST8_WIDTH 8 # define INT_LEAST16_WIDTH 16 # define UINT_LEAST16_WIDTH 16 # define INT_LEAST32_WIDTH 32 # define UINT_LEAST32_WIDTH 32 # define INT_LEAST64_WIDTH 64 # define UINT_LEAST64_WIDTH 64 # define INT_FAST8_WIDTH 8 # define UINT_FAST8_WIDTH 8 # define INT_FAST16_WIDTH __WORDSIZE # define UINT_FAST16_WIDTH __WORDSIZE # define INT_FAST32_WIDTH __WORDSIZE # define UINT_FAST32_WIDTH __WORDSIZE # define INT_FAST64_WIDTH 64 # define UINT_FAST64_WIDTH 64 # define INTPTR_WIDTH __WORDSIZE # define UINTPTR_WIDTH __WORDSIZE # define INTMAX_WIDTH 64 # define UINTMAX_WIDTH 64 # define PTRDIFF_WIDTH __WORDSIZE # define SIG_ATOMIC_WIDTH 32 # define SIZE_WIDTH __WORDSIZE # define WCHAR_WIDTH 32 # define WINT_WIDTH 32 #endif #endif /* stdint.h */
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