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1 | /** @file\r |
| 2 | The header <limits.h> defines several macros that expand to various limits and\r |
| 3 | parameters of the standard integer types.\r |
| 4 | \r |
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5 | The values given below are constant expressions suitable for\r |
| 6 | use in #if preprocessing directives. Except for CHAR_BIT and\r |
| 7 | MB_LEN_MAX, they have the same\r |
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8 | type as would an expression that is an object of the corresponding type\r |
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9 | converted according to the integer promotions.\r |
| 10 | \r |
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11 | Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>\r |
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12 | This program and the accompanying materials are licensed and made available under\r |
| 13 | the terms and conditions of the BSD License that accompanies this distribution.\r |
| 14 | The full text of the license may be found at\r |
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15 | http://opensource.org/licenses/bsd-license.\r |
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16 | \r |
| 17 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 18 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
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19 | **/\r |
| 20 | #ifndef _LIMITS_H\r |
| 21 | #define _LIMITS_H\r |
| 22 | #include <sys/EfiCdefs.h>\r |
| 23 | #include <Library/PcdLib.h>\r |
| 24 | \r |
| 25 | /* Get the architecturally defined limits for this compilation unit. */\r |
| 26 | #include <machine/limits.h>\r |
| 27 | \r |
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28 | /* Define the values required by the ISO/IEC 9899 Specification. */\r |
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29 | \r |
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30 | /** Maximum number of bytes in a multibyte character, for any supported locale. **/\r |
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31 | #define MB_LEN_MAX 4 /* UTF-8 can require up to 4 bytes */\r |
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32 | \r |
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33 | /** Number of bits comprising the smallest object that is not a bit-field (byte). **/\r |
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34 | #define CHAR_BIT __CHAR_BIT\r |
| 35 | \r |
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36 | /** Minimum value for an object of type signed char. **/\r |
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37 | #define SCHAR_MIN __SCHAR_MIN\r |
| 38 | \r |
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39 | /** Maximum value for an object of type signed char. **/\r |
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40 | #define SCHAR_MAX __SCHAR_MAX\r |
| 41 | \r |
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42 | /** Maximum value for an object of type unsigned char. **/\r |
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43 | #define UCHAR_MAX __UCHAR_MAX\r |
| 44 | \r |
| 45 | #ifdef __CHAR_UNSIGNED__\r |
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46 | /** Maximum value for an object of type char. **/\r |
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47 | #define CHAR_MAX UCHAR_MAX\r |
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48 | /** Minimum value for an object of type char. **/\r |
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49 | #define CHAR_MIN 0\r |
| 50 | #else\r |
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51 | /** Maximum value for an object of type char. **/\r |
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52 | #define CHAR_MAX SCHAR_MAX\r |
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53 | /** Minimum value for an object of type char. **/\r |
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54 | #define CHAR_MIN SCHAR_MIN\r |
| 55 | #endif\r |
| 56 | \r |
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57 | /** Minimum value for an object of type short int. **/\r |
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58 | #define SHRT_MIN __SHRT_MIN\r |
| 59 | \r |
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60 | /** Maximum value for an object of type short int. **/\r |
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61 | #define SHRT_MAX __SHRT_MAX\r |
| 62 | \r |
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63 | /** Maximum value for an object of type unsigned short int. **/\r |
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64 | #define USHRT_MAX __USHRT_MAX\r |
| 65 | \r |
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66 | /** Minimum value for an object of type int. **/\r |
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67 | #define INT_MIN __INT_MIN\r |
| 68 | \r |
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69 | /** Maximum value for an object of type int. **/\r |
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70 | #define INT_MAX __INT_MAX\r |
| 71 | \r |
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72 | /** Maximum value for an object of type unsigned int. **/\r |
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73 | #define UINT_MAX __UINT_MAX\r |
| 74 | \r |
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75 | /** Minimum value for an object of type long int. **/\r |
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76 | #define LONG_MIN __LONG_MIN\r |
| 77 | \r |
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78 | /** Maximum value for an object of type long int. **/\r |
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79 | #define LONG_MAX __LONG_MAX\r |
| 80 | \r |
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81 | /** Maximum value for an object of type unsigned long int. **/\r |
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82 | #define ULONG_MAX __ULONG_MAX\r |
| 83 | \r |
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84 | /** Minimum value for an object of type long long int. **/\r |
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85 | #define LLONG_MIN __LLONG_MIN\r |
| 86 | \r |
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87 | /** Maximum value for an object of type long long int. **/\r |
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88 | #define LLONG_MAX __LLONG_MAX\r |
| 89 | \r |
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90 | /** Maximum value for an object of type unsigned long long int. **/\r |
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91 | #define ULLONG_MAX __ULLONG_MAX\r |
| 92 | \r |
| 93 | /* Object limits used in the Standard Libraries */\r |
| 94 | #if (PcdGet32(PcdMaximumAsciiStringLength) > 0)\r |
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95 | /** Maximum length of an arbitrary "narrow-character" string. **/\r |
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96 | #define ASCII_STRING_MAX PcdGet32(PcdMaximumAsciiStringLength)\r |
| 97 | #else\r |
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98 | /** Maximum length of an arbitrary "narrow-character" string. **/\r |
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99 | #define ASCII_STRING_MAX 256\r |
| 100 | #endif\r |
| 101 | \r |
| 102 | #if (PcdGet32(PcdMaximumUnicodeStringLength) > 0)\r |
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103 | /** Maximum length of an arbitrary "wide-character" string. **/\r |
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104 | #define UNICODE_STRING_MAX PcdGet32(PcdMaximumUnicodeStringLength)\r |
| 105 | #else\r |
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106 | /** Maximum length of an arbitrary "wide-character" string. **/\r |
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107 | #define UNICODE_STRING_MAX 512\r |
| 108 | #endif\r |
| 109 | \r |
| 110 | /* Limits for BSD Compatibility */\r |
| 111 | #define NL_TEXTMAX 2048\r |
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112 | \r |
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113 | #include <sys/syslimits.h>\r |
| 114 | \r |
| 115 | #endif /* _LIMITS_H */\r |
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