internal.h File Reference

#include <limits.h>
#include "expat.h"

Go to the source code of this file.

Macros
#define	FASTCALL
#define	PTRCALL
#define	PTRFASTCALL
#define	inline
#define	EXPAT_FMT_ULL(midpart)   "%" midpart "llu"
#define	UNUSED_P(p)   (void)p
#define	EXPAT_BILLION_LAUGHS_ATTACK_PROTECTION_MAXIMUM_AMPLIFICATION_DEFAULT    100.0f
#define	EXPAT_BILLION_LAUGHS_ATTACK_PROTECTION_ACTIVATION_THRESHOLD_DEFAULT    8388608

Functions
void	_INTERNAL_trim_to_complete_utf8_characters (const char *from, const char **fromLimRef)

Macro Definition Documentation

EXPAT_BILLION_LAUGHS_ATTACK_PROTECTION_ACTIVATION_THRESHOLD_DEFAULT

#define EXPAT_BILLION_LAUGHS_ATTACK_PROTECTION_ACTIVATION_THRESHOLD_DEFAULT    8388608

Definition at line 144 of file internal.h.

EXPAT_BILLION_LAUGHS_ATTACK_PROTECTION_MAXIMUM_AMPLIFICATION_DEFAULT

#define EXPAT_BILLION_LAUGHS_ATTACK_PROTECTION_MAXIMUM_AMPLIFICATION_DEFAULT    100.0f

Definition at line 142 of file internal.h.

EXPAT_FMT_ULL

#define EXPAT_FMT_ULL

(

midpart

)

"%" midpart "llu"

Definition at line 122 of file internal.h.

FASTCALL

#define FASTCALL

Definition at line 81 of file internal.h.

inline

#define inline

Definition at line 104 of file internal.h.

PTRCALL

#define PTRCALL

Definition at line 85 of file internal.h.

PTRFASTCALL

#define PTRFASTCALL

Definition at line 89 of file internal.h.

UNUSED_P

#define UNUSED_P

(

p

)

(void)p

Definition at line 135 of file internal.h.

Function Documentation

_INTERNAL_trim_to_complete_utf8_characters()

void _INTERNAL_trim_to_complete_utf8_characters	(	const char *	from,
		const char **	fromLimRef
	)

Definition at line 326 of file xmltok.c.

                                                                    {
  const char *fromLim = *fromLimRef;
  size_t walked = 0;
  for (; fromLim > from; fromLim--, walked++) {
    const unsigned char prev = (unsigned char)fromLim[-1];
    if ((prev & 0xf8u)
        == 0xf0u) { /* 4-byte character, lead by 0b11110xxx byte */
      if (walked + 1 >= 4) {
        fromLim += 4 - 1;
        break;
      } else {
        walked = 0;
      }
    } else if ((prev & 0xf0u)
               == 0xe0u) { /* 3-byte character, lead by 0b1110xxxx byte */
      if (walked + 1 >= 3) {
        fromLim += 3 - 1;
        break;
      } else {
        walked = 0;
      }
    } else if ((prev & 0xe0u)
               == 0xc0u) { /* 2-byte character, lead by 0b110xxxxx byte */
      if (walked + 1 >= 2) {
        fromLim += 2 - 1;
        break;
      } else {
        walked = 0;
      }
    } else if ((prev & 0x80u)
               == 0x00u) { /* 1-byte character, matching 0b0xxxxxxx */
      break;
    }
  }
  *fromLimRef = fromLim;
}