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Fixed a bug in the fgrep patch, exposed by the dfa-optional patch

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(RH bug #138558). Removed bogus part of grep-2.5.1-fgrep patch.

Obtained from:	Fedora (Jakub Jelinek, Tim Waugh)
This commit is contained in:
Tim J. Robbins 2005-05-14 04:17:07 +00:00
parent e20df16c79
commit 1bd8c187c0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=146201
1 changed files with 22 additions and 27 deletions
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49
gnu/usr.bin/grep/search.c
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@ -442,7 +442,7 @@ EGexecute (char const *buf, size_t size, size_t *match_size, int exact)
if ((start == 0 || !WCHAR ((unsigned char) beg[start - 1]))
&& (len == end - beg - 1
|| !WCHAR ((unsigned char) beg[start + len])))
goto success_in_start_and_len;
goto success_in_beg_and_end;
if (len > 0)
{
/* Try a shorter length anchored at the same place. */
@ -569,32 +569,27 @@ Fexecute (char const *buf, size_t size, size_t *match_size, int exact)
goto success;
}
else if (match_words)
{
while (offset >= 0)
{
if ((offset == 0 || !WCHAR ((unsigned char) beg[-1]))
&& (len == end - beg - 1 || !WCHAR ((unsigned char) beg[len])))
{
if (!exact)
/* Returns the whole line now we know there's a word match. */
goto success;
else
/* Returns just this word match. */
goto success_in_beg_and_len;
}
if (len > 0)
{
/* Try a shorter length anchored at the same place. */
--len;
offset = kwsexec (kwset, beg, len, &kwsmatch);
if (offset == -1) {
break; /* Try a different anchor. */
}
beg += offset;
len = kwsmatch.size[0];
}
}
}
for (try = beg; len; )
{
if (try > buf && WCHAR((unsigned char) try[-1]))
break;
if (try + len < buf + size && WCHAR((unsigned char) try[len]))
{
offset = kwsexec (kwset, beg, --len, &kwsmatch);
if (offset == (size_t) -1)
{
#ifdef MBS_SUPPORT
if (MB_CUR_MAX > 1)
free (mb_properties);
#endif /* MBS_SUPPORT */
return offset;
}
try = beg + offset;
len = kwsmatch.size[0];
}
else
goto success;
}
else
goto success;
}