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 (1947B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _LINUX_CTYPE_H
      3#define _LINUX_CTYPE_H
      4
      5#include <linux/compiler.h>
      6
      7/*
      8 * NOTE! This ctype does not handle EOF like the standard C
      9 * library is required to.
     10 */
     11
     12#define _U	0x01	/* upper */
     13#define _L	0x02	/* lower */
     14#define _D	0x04	/* digit */
     15#define _C	0x08	/* cntrl */
     16#define _P	0x10	/* punct */
     17#define _S	0x20	/* white space (space/lf/tab) */
     18#define _X	0x40	/* hex digit */
     19#define _SP	0x80	/* hard space (0x20) */
     20
     21extern const unsigned char _ctype[];
     22
     23#define __ismask(x) (_ctype[(int)(unsigned char)(x)])
     24
     25#define isalnum(c)	((__ismask(c)&(_U|_L|_D)) != 0)
     26#define isalpha(c)	((__ismask(c)&(_U|_L)) != 0)
     27#define iscntrl(c)	((__ismask(c)&(_C)) != 0)
     28#define isgraph(c)	((__ismask(c)&(_P|_U|_L|_D)) != 0)
     29#define islower(c)	((__ismask(c)&(_L)) != 0)
     30#define isprint(c)	((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0)
     31#define ispunct(c)	((__ismask(c)&(_P)) != 0)
     32/* Note: isspace() must return false for %NUL-terminator */
     33#define isspace(c)	((__ismask(c)&(_S)) != 0)
     34#define isupper(c)	((__ismask(c)&(_U)) != 0)
     35#define isxdigit(c)	((__ismask(c)&(_D|_X)) != 0)
     36
     37#define isascii(c) (((unsigned char)(c))<=0x7f)
     38#define toascii(c) (((unsigned char)(c))&0x7f)
     39
     40#if __has_builtin(__builtin_isdigit)
     41#define  isdigit(c) __builtin_isdigit(c)
     42#else
     43static inline int __isdigit(int c)
     44{
     45	return '0' <= c && c <= '9';
     46}
     47#define  isdigit(c) __isdigit(c)
     48#endif
     49
     50static inline unsigned char __tolower(unsigned char c)
     51{
     52	if (isupper(c))
     53		c -= 'A'-'a';
     54	return c;
     55}
     56
     57static inline unsigned char __toupper(unsigned char c)
     58{
     59	if (islower(c))
     60		c -= 'a'-'A';
     61	return c;
     62}
     63
     64#define tolower(c) __tolower(c)
     65#define toupper(c) __toupper(c)
     66
     67/*
     68 * Fast implementation of tolower() for internal usage. Do not use in your
     69 * code.
     70 */
     71static inline char _tolower(const char c)
     72{
     73	return c | 0x20;
     74}
     75
     76/* Fast check for octal digit */
     77static inline int isodigit(const char c)
     78{
     79	return c >= '0' && c <= '7';
     80}
     81
     82#endif