| 1 | /** @file
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| 2 | Localization functions and macros.
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| 3 |
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| 4 | Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
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| 5 | This program and the accompanying materials are licensed and made available under
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| 6 | the terms and conditions of the BSD License that accompanies this distribution.
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| 7 | The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | * Copyright (c) 1991, 1993
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| 14 | * The Regents of the University of California. All rights reserved.
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| 15 | *
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| 16 | * Redistribution and use in source and binary forms, with or without
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| 17 | * modification, are permitted provided that the following conditions
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| 18 | * are met:
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| 19 | * 1. Redistributions of source code must retain the above copyright
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| 20 | * notice, this list of conditions and the following disclaimer.
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| 21 | * 2. Redistributions in binary form must reproduce the above copyright
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| 22 | * notice, this list of conditions and the following disclaimer in the
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| 23 | * documentation and/or other materials provided with the distribution.
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| 24 | * 3. Neither the name of the University nor the names of its contributors
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| 25 | * may be used to endorse or promote products derived from this software
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| 26 | * without specific prior written permission.
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| 27 | *
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| 28 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 29 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 30 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 31 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 32 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 36 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 37 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 38 | * SUCH DAMAGE.
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| 39 | *
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| 40 | * @(#)locale.h 8.1 (Berkeley) 6/2/93
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| 41 | * $NetBSD: locale.h,v 1.14 2005/02/03 04:39:32 perry Exp
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| 42 | **/
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| 43 |
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| 44 | #ifndef _LOCALE_H_
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| 45 | #define _LOCALE_H_
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| 46 |
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| 47 | /** This is a structure containing members pertaining to the formatting and display of numeric values.
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| 48 | Each member of this structure is commented with its value in the "C" locale.
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| 49 |
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| 50 | The decimal_point member must point to a string with a length greater than zero.
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| 51 | All other pointer members may point to "" in order to indicate that the value is not available
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| 52 | in the current locale, or that it is of zero length. Except for grouping and mon_grouping, the
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| 53 | strings start and end in the initial shift state.
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| 54 |
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| 55 | The remaining members, of type char, are non-negative numbers or CHAR_MAX, which indicates that
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| 56 | the value is not available in the current locale.
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| 57 |
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| 58 | Members grouping and mon_grouping point to strings where each element (character) of the string
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| 59 | indicates the size of the corresponding group of digits and is interpreted as follows:
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| 60 | - CHAR_MAX No further grouping is to be performed.
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| 61 | - 0 The previous element is to be repeatedly used for the remainder of the digits.
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| 62 | - other The ISO specification states: "The integer value is the number of digits that
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| 63 | compose the current group. The next element is examined to determine the size
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| 64 | of the next group of digits before the current group." The EDK II implementation
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| 65 | interprets this to mean that the groups are specified left-to-right.
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| 66 |
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| 67 | The *_sep_by_space members are interpreted as follows:
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| 68 | - 0 No space separates the currency symbol and value.
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| 69 | - 1 If the currency symbol and sign string are adjacent, a space separates them from the
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| 70 | value; otherwise, a space separates the currency symbol from the value.
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| 71 | - 2 If the currency symbol and sign string are adjacent, a space separates them;
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| 72 | otherwise, a space separates the sign string from the value.
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| 73 | For int_p_sep_by_space and int_n_sep_by_space, the fourth character of int_curr_symbol is
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| 74 | used instead of a space.
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| 75 |
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| 76 | The values of the *_sign_posn members are interpreted as follows:
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| 77 | - 0 Parentheses surround the quantity and currency symbol.
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| 78 | - 1 The sign string precedes the quantity and currency symbol.
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| 79 | - 2 The sign string succeeds the quantity and currency symbol.
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| 80 | - 3 The sign string immediately precedes the currency symbol.
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| 81 | - 4 The sign string immediately succeeds the currency symbol.
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| 82 | **/
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| 83 | struct lconv {
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| 84 | char *decimal_point; /**< "." Non-monetary decimal-point. */
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| 85 | char *thousands_sep; /**< "" Separates groups of digits before the decimal-point */
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| 86 | char *grouping; /**< "" A string whose elements (characters) indicate the size
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| 87 | of each group of digits in formatted nonmonetary quantities. */
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| 88 | char *int_curr_symbol; /**< "" A 4-character string providing the international currency
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| 89 | symbol. The first three characters contain the alphabetic
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| 90 | international currency symbol in accordance with those
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| 91 | specified in ISO 4217. The fourth character, immediately
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| 92 | preceding the null character, is the character used to separate
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| 93 | the international currency symbol from the monetary quantity. */
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| 94 | char *currency_symbol; /**< "" The local currency symbol for the current locale. */
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| 95 | char *mon_decimal_point; /**< "" The decimal point used for monetary values. */
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| 96 | char *mon_thousands_sep; /**< "" The separator for digit groups preceeding the decimal-point. */
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| 97 | char *mon_grouping; /**< "" A string, like grouping, for monetary values. */
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| 98 | char *positive_sign; /**< "" A string to indicate a non-negative monetary value. */
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| 99 | char *negative_sign; /**< "" A string to indicate a negative monetary value. */
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| 100 | char int_frac_digits; /**< CHAR_MAX The number of digits after the decimal-point for international
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| 101 | monetary values. */
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| 102 | char frac_digits; /**< CHAR_MAX The number of digits after the decimal-point for local
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| 103 | monetary values. */
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| 104 | char p_cs_precedes; /**< CHAR_MAX Set to 1 or 0 if the currency_symbol respectively precedes or
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| 105 | succeeds the value for non-negative local monetary values. */
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| 106 | char p_sep_by_space; /**< CHAR_MAX Value specifying the separation between the currency_symbol,
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| 107 | the sign string, and the value for non-negative local values. */
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| 108 | char n_cs_precedes; /**< CHAR_MAX Set to 1 or 0 if the currency_symbol respectively precedes or
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| 109 | succeeds the value for negative local monetary values. */
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| 110 | char n_sep_by_space; /**< CHAR_MAX Value specifying the separation between the currency_symbol,
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| 111 | the sign string, and the value for negative local values. */
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| 112 | char p_sign_posn; /**< CHAR_MAX Value specifying the positioning of the positive_sign for a
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| 113 | non-negative local monetary quantity. */
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| 114 | char n_sign_posn; /**< CHAR_MAX Value specifying the positioning of the negative_sign for a
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| 115 | negative local monetary quantity. */
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| 116 | char int_p_cs_precedes; /**< CHAR_MAX Set to 1 or 0 if the currency_symbol respectively precedes or
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| 117 | succeeds the value for non-negative international monetary values. */
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| 118 | char int_n_cs_precedes; /**< CHAR_MAX Set to 1 or 0 if the currency_symbol respectively precedes or
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| 119 | succeeds the value for negative international monetary values. */
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| 120 | char int_p_sep_by_space; /**< CHAR_MAX Value specifying the separation between the currency_symbol,
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| 121 | the sign string, and the value for non-negative international values. */
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| 122 | char int_n_sep_by_space; /**< CHAR_MAX Value specifying the separation between the currency_symbol,
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| 123 | the sign string, and the value for negative international values. */
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| 124 | char int_p_sign_posn; /**< CHAR_MAX Value specifying the positioning of the positive_sign for a
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| 125 | non-negative international monetary quantity. */
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| 126 | char int_n_sign_posn; /**< CHAR_MAX Value specifying the positioning of the negative_sign for a
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| 127 | negative international monetary quantity. */
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| 128 | };
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| 129 |
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| 130 | /** @{
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| 131 | These macros expand to integer expressions suitable for use as the first
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| 132 | argument (category) to the setlocale() function.
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| 133 |
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| 134 | Only the first six macros are required by the C language specification.
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| 135 | Implementations are free to extend this list, as has been done with LC_MESSAGES,
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| 136 | with additional macro definitions, beginning with the characters LC_ and
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| 137 | an uppercase letter.
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| 138 | **/
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| 139 | #define LC_ALL 0 ///< The application's entire locale.
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| 140 | #define LC_COLLATE 1 ///< Affects the behavior of the strcoll and strxfrm functions.
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| 141 | #define LC_CTYPE 2 ///< Affects the behavior of the character handling, multibyte, and wide character functions.
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| 142 | #define LC_MONETARY 3 ///< Affects monetary formatting information.
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| 143 | #define LC_NUMERIC 4 ///< Affects the decimal-point character and non-monetary formatting information.
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| 144 | #define LC_TIME 5 ///< Affects the behavior of the strftime and wcsftime functions.
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| 145 | #define LC_MESSAGES 6
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| 146 | #define _LC_LAST 7 ///< Number of defined macros. Marks end.
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| 147 | /*@}*/
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| 148 |
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| 149 | #include <sys/EfiCdefs.h>
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| 150 |
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| 151 | /** @fn char *setlocale(int category, const char *locale)
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| 152 |
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| 153 | @brief The setlocale function is used to retrieve or change parts or all of the current locale.
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| 154 |
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| 155 | @details If locale is NULL, or the same as the current locale, this function just retrieves the
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| 156 | values for the specified category in the current locale. Otherwise, the specified category
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| 157 | in the current locale is set to the corresponding values from the specified locale and a pointer
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| 158 | to the new values is returned.
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| 159 |
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| 160 | @param[in] category The portion of the current locale to be affected by this call.
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| 161 | The LC_ macros list the supported categories and the meaning of each.
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| 162 | @param[in] locale A value of "C" for locale specifies the minimal environment for C translation;
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| 163 | A value of "" specifies the native environment, which is "C" for this
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| 164 | implementation. If locale is NULL, the current locale is specified.
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| 165 |
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| 166 | @return A pointer to the string associated with the specified category for the new locale,
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| 167 | a pointer to the string associated with the category for the current locale,
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| 168 | or NULL if category or locale can not be honored. The return value should not be
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| 169 | modified by the program, but may be overwritten by subsequent calls to either
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| 170 | setlocale or localeconv.
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| 171 | **/
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| 172 |
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| 173 | /** @fn struct lconv *localeconv(void)
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| 174 |
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| 175 | @brief The localeconv function returns a pointer to a lconv structure containing the appropriate
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| 176 | values for the current locale.
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| 177 |
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| 178 | @return A pointer to a filled-in lconv structure. The returned structure should not be
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| 179 | modified by the program, but may be overwritten by subsequent calls to either
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| 180 | setlocale or localeconv.
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| 181 | **/
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| 182 |
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| 183 | __BEGIN_DECLS
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| 184 | #ifdef __SETLOCALE_SOURCE__
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| 185 | char *setlocale(int category, const char *locale);
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| 186 | char *__setlocale(int category, const char *locale);
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| 187 | #else /* !__SETLOCALE_SOURCE__ */
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| 188 | char *setlocale(int category, const char *locale) __RENAME(__setlocale_mb_len_max_32);
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| 189 | #endif /* !__SETLOCALE_SOURCE__ */
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| 190 | struct lconv *localeconv(void);
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| 191 | char *__setlocale_mb_len_max_32(int category, const char *locale);
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| 192 | __END_DECLS
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| 193 |
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| 194 | #endif /* _LOCALE_H_ */
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