102 lines
1.8 KiB
C
102 lines
1.8 KiB
C
/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
|
|
/*
|
|
* ctype function definitions for NOLIBC
|
|
* Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
|
|
*/
|
|
|
|
#ifndef _NOLIBC_CTYPE_H
|
|
#define _NOLIBC_CTYPE_H
|
|
|
|
#include "std.h"
|
|
|
|
/*
|
|
* As much as possible, please keep functions alphabetically sorted.
|
|
*/
|
|
|
|
static __attribute__((unused))
|
|
int isascii(int c)
|
|
{
|
|
/* 0x00..0x7f */
|
|
return (unsigned int)c <= 0x7f;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int isblank(int c)
|
|
{
|
|
return c == '\t' || c == ' ';
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int iscntrl(int c)
|
|
{
|
|
/* 0x00..0x1f, 0x7f */
|
|
return (unsigned int)c < 0x20 || c == 0x7f;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int isdigit(int c)
|
|
{
|
|
return (unsigned int)(c - '0') < 10;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int isgraph(int c)
|
|
{
|
|
/* 0x21..0x7e */
|
|
return (unsigned int)(c - 0x21) < 0x5e;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int islower(int c)
|
|
{
|
|
return (unsigned int)(c - 'a') < 26;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int isprint(int c)
|
|
{
|
|
/* 0x20..0x7e */
|
|
return (unsigned int)(c - 0x20) < 0x5f;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int isspace(int c)
|
|
{
|
|
/* \t is 0x9, \n is 0xA, \v is 0xB, \f is 0xC, \r is 0xD */
|
|
return ((unsigned int)c == ' ') || (unsigned int)(c - 0x09) < 5;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int isupper(int c)
|
|
{
|
|
return (unsigned int)(c - 'A') < 26;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int isxdigit(int c)
|
|
{
|
|
return isdigit(c) || (unsigned int)(c - 'A') < 6 || (unsigned int)(c - 'a') < 6;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int isalpha(int c)
|
|
{
|
|
return islower(c) || isupper(c);
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int isalnum(int c)
|
|
{
|
|
return isalpha(c) || isdigit(c);
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int ispunct(int c)
|
|
{
|
|
return isgraph(c) && !isalnum(c);
|
|
}
|
|
|
|
/* make sure to include all global symbols */
|
|
#include "nolibc.h"
|
|
|
|
#endif /* _NOLIBC_CTYPE_H */
|