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// SPDX-License-Identifier: BSD-2-Clause-Patent
/*
* ctype.h - standard ctype functions
*/
#ifdef SHIM_UNIT_TEST
#include_next <ctype.h>
#else
#ifndef _CTYPE_H
#define _CTYPE_H
#define isprint(c) ((c) >= 0x20 && (c) <= 0x7e)
/* Determines if a particular character is a decimal-digit character */
static inline __attribute__((__unused__)) int
isdigit(int c)
{
//
// <digit> ::= [0-9]
//
return (('0' <= (c)) && ((c) <= '9'));
}
/* Determine if an integer represents character that is a hex digit */
static inline __attribute__((__unused__)) int
isxdigit(int c)
{
//
// <hexdigit> ::= [0-9] | [a-f] | [A-F]
//
return ((('0' <= (c)) && ((c) <= '9')) ||
(('a' <= (c)) && ((c) <= 'f')) ||
(('A' <= (c)) && ((c) <= 'F')));
}
/* Determines if a particular character represents a space character */
static inline __attribute__((__unused__)) int
isspace(int c)
{
//
// <space> ::= [ ]
//
return ((c) == ' ');
}
/* Determine if a particular character is an alphanumeric character */
static inline __attribute__((__unused__)) int
isalnum(int c)
{
//
// <alnum> ::= [0-9] | [a-z] | [A-Z]
//
return ((('0' <= (c)) && ((c) <= '9')) ||
(('a' <= (c)) && ((c) <= 'z')) ||
(('A' <= (c)) && ((c) <= 'Z')));
}
/* Determines if a particular character is in upper case */
static inline __attribute__((__unused__)) int
isupper(int c)
{
//
// <uppercase letter> := [A-Z]
//
return (('A' <= (c)) && ((c) <= 'Z'));
}
/* Convert character to lowercase */
static inline __attribute__((__unused__)) int
tolower(int c)
{
if (('A' <= (c)) && ((c) <= 'Z')) {
return (c - ('A' - 'a'));
}
return (c);
}
static inline __attribute__((__unused__)) int
toupper(int c)
{
return ((c >= 'a' && c <= 'z') ? c - ('a' - 'A') : c);
}
#endif /* !_CTYPE_H */
#endif /* !SHIM_UNIT_TEST */
// vim:fenc=utf-8:tw=75:noet
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