compat_ctype.h File Reference

Locale-independent character-type inspection (header) More...

#include "orconfig.h"
#include "lib/cc/torint.h"

Go to the source code of this file.

Macros
#define	DECLARE_CTYPE_FN(name)
#define	TOR_TOLOWER(c)
#define	TOR_TOUPPER(c)

Functions
static int	hex_decode_digit (char c)

Variables
const uint8_t	TOR_TOUPPER_TABLE []
const uint8_t	TOR_TOLOWER_TABLE []

Detailed Description

Locale-independent character-type inspection (header)

Definition in file compat_ctype.h.

Macro Definition Documentation

DECLARE_CTYPE_FN

#define DECLARE_CTYPE_FN

(

name

)

Value:

  static int TOR_##name(char c);                                        \
  extern const uint32_t TOR_##name##_TABLE[];                           \
  static inline int TOR_##name(char c) {                                \
    uint8_t u = c;                                                      \
    return !!(TOR_##name##_TABLE[(u >> 5) & 7] & (1u << (u & 31)));     \
  }

Definition at line 19 of file compat_ctype.h.

TOR_TOLOWER

#define TOR_TOLOWER

(

c

)

Value:

(TOR_TOLOWER_TABLE[(uint8_t)c])

Definition at line 36 of file compat_ctype.h.

TOR_TOUPPER

#define TOR_TOUPPER

(

c

)

Value:

(TOR_TOUPPER_TABLE[(uint8_t)c])

Definition at line 37 of file compat_ctype.h.

Function Documentation

hex_decode_digit()

static int hex_decode_digit ( char c )

inlinestatic

Helper: given a hex digit, return its value, or -1 if it isn't hex.

Definition at line 43 of file compat_ctype.h.

Referenced by base16_decode(), scan_unsigned(), tor_addr_parse_PTR_name(), and unescape_string().

Variable Documentation

TOR_TOLOWER_TABLE

const uint8_t TOR_TOLOWER_TABLE[]

extern

Definition at line 55 of file compat_ctype.c.

TOR_TOUPPER_TABLE

const uint8_t TOR_TOUPPER_TABLE[]

extern

Upper-casing and lowercasing tables to map characters to upper/lowercase equivalents. Used by tor_toupper() and tor_tolower().

Definition at line 37 of file compat_ctype.c.