Differential D10098 Diff 27944 head/usr.bin/grep/regex/tre-fastmatch.c

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head/usr.bin/grep/regex/tre-fastmatch.c

Show First 20 Lines • Show All 92 Lines • ▼ Show 20 Lines	#define STORE_MBS_PAT \
fg->len = siz; \		fg->len = siz; \
fg->pattern = malloc(siz + 1); \		fg->pattern = malloc(siz + 1); \
if (fg->pattern == NULL) \		if (fg->pattern == NULL) \
return REG_ESPACE; \		return REG_ESPACE; \
wcstombs(fg->pattern, fg->wpattern, siz); \		wcstombs(fg->pattern, fg->wpattern, siz); \
fg->pattern[siz] = '\0'; \		fg->pattern[siz] = '\0'; \
} \		} \

		#define CONV_MBS_PAT(src, dest, destsz) \
		{ \
		destsz = wcstombs(NULL, src, 0); \
		if (destsz == (size_t)-1) \
		return REG_BADPAT; \
		dest = malloc(destsz + 1); \
		if (dest == NULL) \
		return REG_ESPACE; \
		wcstombs(dest, src, destsz); \
		dest[destsz] = '\0'; \
		} \

#define IS_OUT_OF_BOUNDS \		#define IS_OUT_OF_BOUNDS \
((!fg->reversed \		((!fg->reversed \
? ((type == STR_WIDE) ? ((j + fg->wlen) > len) \		? ((type == STR_WIDE) ? ((j + fg->wlen) > len) \
: ((j + fg->len) > len)) \		: ((j + fg->len) > len)) \
: (j < 0)))		: (j < 0)))

/*		/*
* Checks whether the new position after shifting in the input string		* Checks whether the new position after shifting in the input string
▲ Show 20 Lines • Show All 609 Lines • ▼ Show 20 Lines	if (fg->hasdot \|\| (fg->wescmap != NULL))
if (fg->escmap == NULL)		if (fg->escmap == NULL)
{		{
tre_free_fast(fg);		tre_free_fast(fg);
return REG_ESPACE;		return REG_ESPACE;
}		}
}		}

escaped = false;		escaped = false;
for (unsigned int i = 0; i < fg->len; i++)		char *_checkpat = NULL;
if (fg->pattern[i] == '\\')		size_t _checklen = 0;
		unsigned int escofs = 0;
		/*
		* Make a copy here of the original pattern, because fg->pattern has
		* already been stripped of all escape sequences in the above processing.
		* This is necessary if we wish to later treat fg->escmap as an actual,
		* functional replacement of fg->wescmap.
		*/
		CONV_MBS_PAT(pat, _checkpat, _checklen);
		for (unsigned int i = 0; i < n; i++)
		if (_checkpat[i] == '\\')
		{
escaped = !escaped;		escaped = !escaped;
else if (fg->pattern[i] == '.' && fg->escmap && escaped)		if (escaped)
		++escofs;
		}
		else if (_checkpat[i] == '.' && fg->escmap != NULL && escaped)
{		{
fg->escmap[i] = true;		fg->escmap[i - escofs] = true;
escaped = false;		escaped = false;
}		}
else if (fg->pattern[i] == '.' && !escaped)		else if (_checkpat[i] == '.' && !escaped)
{		{
hasdot = i;		hasdot = i;
if (firstdot == -1)		if (firstdot == -1)
firstdot = i;		firstdot = i;
}		}
else		else
escaped = false;		escaped = false;
		free(_checkpat);
}		}
#else		#else
SAVE_PATTERN(tmp, pos, fg->pattern, fg->len);		SAVE_PATTERN(tmp, pos, fg->pattern, fg->len);
fg->escmap = _escmap;		fg->escmap = _escmap;
#endif		#endif

free(tmp);		free(tmp);

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