61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/// @file limits.h
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/// @brief OS numeric limits.
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/// @copyright (c) 2014-2024 This file is distributed under the MIT License.
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/// See LICENSE.md for details.
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#pragma once
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/// Number of bits in a `char'.
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#define CHAR_BIT 8
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/// Minimum value a `signed char' can hold.
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#define SCHAR_MIN -128
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/// Maximum value a `signed char' can hold.
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#define SCHAR_MAX +127
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/// Minimum value a `signed char' can hold.
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#define CHAR_MIN SCHAR_MIN
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/// Maximum value a `signed char' can hold.
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#define CHAR_MAX SCHAR_MAX
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/// Maximum value a `char' can hold.
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#define UCHAR_MAX 255
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/// Minimum value a `signed short int' can hold.
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#define SHRT_MIN (-32768)
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/// Maximum value a `signed short int' can hold.
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#define SHRT_MAX (+32767)
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/// Maximum value a `unsigned short int' can hold.
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#define USHRT_MAX 65535
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/// Minimum value a `signed int' can hold.
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#define INT_MIN (-2147483648)
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/// Maximum values a `signed int' can hold.
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#define INT_MAX (+2147483647)
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/// Maximum value an `unsigned int' can hold.
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#define UINT_MAX (+2147483647)
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/// Maximum value a `signed long int' can hold.
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#define LONG_MIN (-2147483648L)
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/// Minimum value a `signed long int' can hold.
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#define LONG_MAX (+2147483647L)
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/// Maximum number of characters in a file name.
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#define NAME_MAX 255
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/// Maximum number of characters in a path name.
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#define PATH_MAX 4096
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/// Maximum length of arguments provided to exec function.
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#define ARG_MAX 256
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/// Maximum pid number.
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#define PID_MAX_LIMIT 32768
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