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cvsdist |
ac51d8 |
--- grep-2.5.1/src/search.c.fgrep 2001-04-19 04:42:14.000000000 +0100
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cvsdist |
ac51d8 |
+++ grep-2.5.1/src/search.c 2004-02-26 13:09:32.000000000 +0000
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ac51d8 |
@@ -360,13 +360,7 @@
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cvsdist |
ac51d8 |
/* Find a possible match using the KWset matcher. */
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cvsdist |
ac51d8 |
size_t offset = kwsexec (kwset, beg, buflim - beg, &kwsm);
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cvsdist |
ac51d8 |
if (offset == (size_t) -1)
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cvsdist |
ac51d8 |
- {
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cvsdist |
ac51d8 |
-#ifdef MBS_SUPPORT
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cvsdist |
ac51d8 |
- if (MB_CUR_MAX > 1)
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cvsdist |
ac51d8 |
- free(mb_properties);
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cvsdist |
ac51d8 |
-#endif
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cvsdist |
ac51d8 |
- return (size_t)-1;
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cvsdist |
ac51d8 |
- }
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cvsdist |
ac51d8 |
+ goto failure;
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cvsdist |
ac51d8 |
beg += offset;
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cvsdist |
ac51d8 |
/* Narrow down to the line containing the candidate, and
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cvsdist |
ac51d8 |
run it through DFA. */
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cvsdist |
ac51d8 |
@@ -379,7 +373,7 @@
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cvsdist |
ac51d8 |
while (beg > buf && beg[-1] != eol)
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cvsdist |
ac51d8 |
--beg;
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cvsdist |
ac51d8 |
if (kwsm.index < kwset_exact_matches)
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cvsdist |
ac51d8 |
- goto success;
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cvsdist |
ac51d8 |
+ goto success_in_beg_and_end;
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cvsdist |
ac51d8 |
if (dfaexec (&dfa, beg, end - beg, &backref) == (size_t) -1)
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cvsdist |
ac51d8 |
continue;
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cvsdist |
ac51d8 |
}
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cvsdist |
ac51d8 |
@@ -398,7 +392,7 @@
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cvsdist |
ac51d8 |
}
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cvsdist |
ac51d8 |
/* Successful, no backreferences encountered! */
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cvsdist |
ac51d8 |
if (!backref)
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cvsdist |
ac51d8 |
- goto success;
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cvsdist |
ac51d8 |
+ goto success_in_beg_and_end;
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cvsdist |
ac51d8 |
}
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cvsdist |
ac51d8 |
else
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cvsdist |
ac51d8 |
end = beg + size;
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cvsdist |
ac51d8 |
@@ -413,14 +407,11 @@
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cvsdist |
ac51d8 |
end - beg - 1, &(patterns[i].regs))))
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cvsdist |
ac51d8 |
{
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cvsdist |
ac51d8 |
len = patterns[i].regs.end[0] - start;
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cvsdist |
ac51d8 |
- if (exact)
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cvsdist |
ac51d8 |
- {
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cvsdist |
ac51d8 |
- *match_size = len;
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cvsdist |
ac51d8 |
- return start;
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cvsdist |
ac51d8 |
- }
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cvsdist |
ac51d8 |
+ if (exact && !match_words)
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cvsdist |
ac51d8 |
+ goto success_in_start_and_len;
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cvsdist |
ac51d8 |
if ((!match_lines && !match_words)
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cvsdist |
ac51d8 |
|| (match_lines && len == end - beg - 1))
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cvsdist |
ac51d8 |
- goto success;
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cvsdist |
ac51d8 |
+ goto success_in_beg_and_end;
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cvsdist |
ac51d8 |
/* If -w, check if the match aligns with word boundaries.
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cvsdist |
ac51d8 |
We do this iteratively because:
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cvsdist |
ac51d8 |
(a) the line may contain more than one occurence of the
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cvsdist |
ac51d8 |
@@ -434,7 +425,7 @@
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cvsdist |
ac51d8 |
if ((start == 0 || !WCHAR ((unsigned char) beg[start - 1]))
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cvsdist |
ac51d8 |
&& (len == end - beg - 1
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|
cvsdist |
ac51d8 |
|| !WCHAR ((unsigned char) beg[start + len])))
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cvsdist |
ac51d8 |
- goto success;
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|
Tim Waugh |
41ed49 |
+ goto success_in_beg_and_end;
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cvsdist |
ac51d8 |
if (len > 0)
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cvsdist |
ac51d8 |
{
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cvsdist |
ac51d8 |
/* Try a shorter length anchored at the same place. */
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cvsdist |
ac51d8 |
@@ -461,19 +452,26 @@
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cvsdist |
ac51d8 |
}
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cvsdist |
ac51d8 |
} /* for Regex patterns. */
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cvsdist |
ac51d8 |
} /* for (beg = end ..) */
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|
cvsdist |
ac51d8 |
+
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|
cvsdist |
ac51d8 |
+ failure:
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cvsdist |
ac51d8 |
#ifdef MBS_SUPPORT
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|
cvsdist |
ac51d8 |
if (MB_CUR_MAX > 1 && mb_properties)
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|
cvsdist |
ac51d8 |
free (mb_properties);
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|
cvsdist |
ac51d8 |
#endif /* MBS_SUPPORT */
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cvsdist |
ac51d8 |
return (size_t) -1;
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|
cvsdist |
ac51d8 |
|
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cvsdist |
ac51d8 |
- success:
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|
cvsdist |
ac51d8 |
+ success_in_beg_and_end:
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|
cvsdist |
ac51d8 |
+ len = end - beg;
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|
cvsdist |
ac51d8 |
+ start = beg - buf;
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|
cvsdist |
ac51d8 |
+ /* FALLTHROUGH */
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|
cvsdist |
ac51d8 |
+
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|
cvsdist |
ac51d8 |
+ success_in_start_and_len:
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|
cvsdist |
ac51d8 |
#ifdef MBS_SUPPORT
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|
cvsdist |
ac51d8 |
if (MB_CUR_MAX > 1 && mb_properties)
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|
cvsdist |
ac51d8 |
free (mb_properties);
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|
cvsdist |
ac51d8 |
#endif /* MBS_SUPPORT */
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|
cvsdist |
ac51d8 |
- *match_size = end - beg;
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|
cvsdist |
ac51d8 |
- return beg - buf;
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cvsdist |
ac51d8 |
+ *match_size = len;
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cvsdist |
ac51d8 |
+ return start;
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cvsdist |
ac51d8 |
}
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cvsdist |
ac51d8 |
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cvsdist |
ac51d8 |
static void
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cvsdist |
ac51d8 |
@@ -516,28 +514,15 @@
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cvsdist |
ac51d8 |
{
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|
cvsdist |
ac51d8 |
size_t offset = kwsexec (kwset, beg, buf + size - beg, &kwsmatch);
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|
cvsdist |
ac51d8 |
if (offset == (size_t) -1)
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|
cvsdist |
ac51d8 |
- {
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cvsdist |
ac51d8 |
-#ifdef MBS_SUPPORT
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cvsdist |
ac51d8 |
- if (MB_CUR_MAX > 1)
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|
cvsdist |
ac51d8 |
- free(mb_properties);
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|
cvsdist |
ac51d8 |
-#endif /* MBS_SUPPORT */
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cvsdist |
ac51d8 |
- return offset;
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cvsdist |
ac51d8 |
- }
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cvsdist |
ac51d8 |
+ goto failure;
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cvsdist |
ac51d8 |
#ifdef MBS_SUPPORT
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cvsdist |
ac51d8 |
if (MB_CUR_MAX > 1 && mb_properties[offset+beg-buf] == 0)
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|
cvsdist |
ac51d8 |
continue; /* It is a part of multibyte character. */
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|
cvsdist |
ac51d8 |
#endif /* MBS_SUPPORT */
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|
cvsdist |
ac51d8 |
beg += offset;
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|
cvsdist |
ac51d8 |
len = kwsmatch.size[0];
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|
cvsdist |
ac51d8 |
- if (exact)
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|
cvsdist |
ac51d8 |
- {
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|
cvsdist |
ac51d8 |
- *match_size = len;
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|
cvsdist |
ac51d8 |
-#ifdef MBS_SUPPORT
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|
cvsdist |
ac51d8 |
- if (MB_CUR_MAX > 1)
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|
cvsdist |
ac51d8 |
- free (mb_properties);
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cvsdist |
ac51d8 |
-#endif /* MBS_SUPPORT */
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|
cvsdist |
ac51d8 |
- return beg - buf;
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cvsdist |
ac51d8 |
- }
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cvsdist |
ac51d8 |
+ if (exact && !match_words)
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cvsdist |
ac51d8 |
+ goto success_in_beg_and_len;
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|
cvsdist |
ac51d8 |
if (match_lines)
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cvsdist |
ac51d8 |
{
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|
cvsdist |
ac51d8 |
if (beg > buf && beg[-1] != eol)
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|
Tim Waugh |
4c3885 |
@@ -551,6 +536,7 @@
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|
cvsdist |
ac51d8 |
goto success;
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cvsdist |
ac51d8 |
}
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|
cvsdist |
ac51d8 |
|
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cvsdist |
ac51d8 |
+ failure:
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|
cvsdist |
ac51d8 |
#ifdef MBS_SUPPORT
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cvsdist |
ac51d8 |
if (MB_CUR_MAX > 1)
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cvsdist |
ac51d8 |
free (mb_properties);
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|
Tim Waugh |
4c3885 |
@@ -583,7 +569,11 @@
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cvsdist |
ac51d8 |
end++;
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cvsdist |
ac51d8 |
while (buf < beg && beg[-1] != eol)
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|
cvsdist |
ac51d8 |
--beg;
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|
cvsdist |
ac51d8 |
- *match_size = end - beg;
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|
cvsdist |
ac51d8 |
+ len = end - beg;
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|
cvsdist |
ac51d8 |
+ /* FALLTHROUGH */
|
|
cvsdist |
ac51d8 |
+
|
|
cvsdist |
ac51d8 |
+ success_in_beg_and_len:
|
|
cvsdist |
ac51d8 |
+ *match_size = len;
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|
cvsdist |
ac51d8 |
#ifdef MBS_SUPPORT
|
|
cvsdist |
ac51d8 |
if (MB_CUR_MAX > 1)
|
|
cvsdist |
ac51d8 |
free (mb_properties);
|