cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ctype.h (1732B)


      1/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
      2/*
      3 * ctype function definitions for NOLIBC
      4 * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
      5 */
      6
      7#ifndef _NOLIBC_CTYPE_H
      8#define _NOLIBC_CTYPE_H
      9
     10#include "std.h"
     11
     12/*
     13 * As much as possible, please keep functions alphabetically sorted.
     14 */
     15
     16static __attribute__((unused))
     17int isascii(int c)
     18{
     19	/* 0x00..0x7f */
     20	return (unsigned int)c <= 0x7f;
     21}
     22
     23static __attribute__((unused))
     24int isblank(int c)
     25{
     26	return c == '\t' || c == ' ';
     27}
     28
     29static __attribute__((unused))
     30int iscntrl(int c)
     31{
     32	/* 0x00..0x1f, 0x7f */
     33	return (unsigned int)c < 0x20 || c == 0x7f;
     34}
     35
     36static __attribute__((unused))
     37int isdigit(int c)
     38{
     39	return (unsigned int)(c - '0') < 10;
     40}
     41
     42static __attribute__((unused))
     43int isgraph(int c)
     44{
     45	/* 0x21..0x7e */
     46	return (unsigned int)(c - 0x21) < 0x5e;
     47}
     48
     49static __attribute__((unused))
     50int islower(int c)
     51{
     52	return (unsigned int)(c - 'a') < 26;
     53}
     54
     55static __attribute__((unused))
     56int isprint(int c)
     57{
     58	/* 0x20..0x7e */
     59	return (unsigned int)(c - 0x20) < 0x5f;
     60}
     61
     62static __attribute__((unused))
     63int isspace(int c)
     64{
     65	/* \t is 0x9, \n is 0xA, \v is 0xB, \f is 0xC, \r is 0xD */
     66	return ((unsigned int)c == ' ') || (unsigned int)(c - 0x09) < 5;
     67}
     68
     69static __attribute__((unused))
     70int isupper(int c)
     71{
     72	return (unsigned int)(c - 'A') < 26;
     73}
     74
     75static __attribute__((unused))
     76int isxdigit(int c)
     77{
     78	return isdigit(c) || (unsigned int)(c - 'A') < 6 || (unsigned int)(c - 'a') < 6;
     79}
     80
     81static __attribute__((unused))
     82int isalpha(int c)
     83{
     84	return islower(c) || isupper(c);
     85}
     86
     87static __attribute__((unused))
     88int isalnum(int c)
     89{
     90	return isalpha(c) || isdigit(c);
     91}
     92
     93static __attribute__((unused))
     94int ispunct(int c)
     95{
     96	return isgraph(c) && !isalnum(c);
     97}
     98
     99#endif /* _NOLIBC_CTYPE_H */