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-/** @file
- Character classification function implementations for <ctype.h>.
-
- Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials are licensed and made available under
- the terms and conditions of the BSD License that accompanies this distribution.
- The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-**/
-#include <LibConfig.h>
-
-#define NO_CTYPE_MACROS // So that we don't define the classification macros
-#include <ctype.h>
-
-/** Internal worker function for character classification.
-
- Determines if a character is a member of a set of character classes.
-
- @param[in] _c The character to be tested.
- @param[in] mask A bitmapped specification of the character classes to
- test the character against. These bits are defined
- in _ctype.h.
-
- @retval 0 The character, _c, is NOT a member of the character classes specified by mask.
- @retval nonZero The character, _c, IS a member of a specified character class.
-**/
-int
-__isCClass(
- IN int _c,
- unsigned int mask
- )
-{
- return ((_c < 0 || _c > 127) ? 0 : (_cClass[_c] & mask));
-}
-
-/** The isalnum function tests for any character for which isalpha or isdigit
- is true.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-isalnum(
- IN int c
- )
-{
- return (__isCClass( c, (_CD | _CU | _CL | _XA)));
-}
-
-/** The isalpha function tests for any character for which isupper or islower
- is true, or any character that is one of a locale-specific set of
- alphabetic characters for which none of iscntrl, isdigit, ispunct, or
- isspace is true. In the "C" locale, isalpha returns true only for the
- characters for which isupper or islower is true.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-isalpha(
- IN int c
- )
-{
- return (__isCClass( c, (_CU | _CL | _XA)));
-}
-
-/** The iscntrl function tests for any control character.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-iscntrl(
- IN int c
- )
-{
- return (__isCClass( c, (_CC)));
-}
-
-/** The isdigit function tests for any decimal-digit character.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-isdigit(
- IN int c
- )
-{
- return (__isCClass( c, (_CD)));
-}
-
-/** The isgraph function tests for any printing character except space (' ').
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-isgraph(
- IN int c
- )
-{
- return (__isCClass( c, (_CG)));
-}
-
-/** The islower function tests for any character that is a lowercase letter or
- is one of a locale-specific set of characters for which none of iscntrl,
- isdigit, ispunct, or isspace is true. In the "C" locale, islower returns
- true only for the lowercase letters.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-islower(
- IN int c
- )
-{
- return (__isCClass( c, (_CL)));
-}
-
-/** The isprint function tests for any printing character including space (' ').
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-isprint(
- IN int c
- )
-{
- return (__isCClass( c, (_CS | _CG)));
-}
-
-/** The ispunct function tests for any printing character that is one of a
- locale-specific set of punctuation characters for which neither isspace nor
- isalnum is true. In the "C" locale, ispunct returns true for every printing
- character for which neither isspace nor isalnum is true.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-ispunct(
- IN int c
- )
-{
- return (__isCClass( c, (_CP)));
-}
-
-/** The isspace function tests for any character that is a standard white-space
- character or is one of a locale-specific set of characters for which
- isalnum is false. The standard white-space characters are the following:
- space (' '), form feed ('\f'), new-line ('\n'), carriage return ('\r'),
- horizontal tab ('\t'), and vertical tab ('\v'). In the "C" locale, isspace
- returns true only for the standard white-space characters.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-isspace(
- IN int c
- )
-{
- return (__isCClass( c, (_CW)));
-}
-
-/** The isupper function tests for any character that is an uppercase letter or
- is one of a locale-specific set of characters for which none of iscntrl,
- isdigit, ispunct, or isspace is true. In the "C" locale, isupper returns
- true only for the uppercase letters.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-isupper(
- IN int c
- )
-{
- return (__isCClass( c, (_CU)));
-}
-
-/** The isxdigit function tests for any hexadecimal-digit character.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-isxdigit(
- IN int c
- )
-{
- return (__isCClass( c, (_CD | _CX)));
-}
-
-/** The isblank function tests that a character is a white-space character that results
- in a number of space (' ') characters being sent to the output device. In the C locale
- this is either ' ' or '\t'.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-isblank(
- IN int c
- )
-{
- return (__isCClass( c, (_CB)));
-}
-
-/** The isascii function tests that a character is one of the 128 7-bit ASCII characters.
-
- @param[in] c The character to test.
-
- @return Returns nonzero (true) if c is a valid ASCII character. Otherwize,
- zero (false) is returned.
-**/
-int
-isascii(
- IN int c
- )
-{
- return ((c >= 0) && (c < 128));
-}
-
-/** Test whether a character is one of the characters used as a separator
- between directory elements in a path.
-
- Characters are '/', '\\'
-
- This non-standard function is unique to this implementation.
-
- @param[in] c The character to be tested.
-
- @return Returns nonzero (true) if and only if the value of the parameter c
- can be classified as specified in the description of the function.
-**/
-int
-isDirSep(int c)
-{
- return (__isCClass( c, (_C0)));
-}
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