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f416c42 |
--- grep-2.5.1a/src/search.c.w 2005-01-07 15:04:18.766280754 +0000
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+++ grep-2.5.1a/src/search.c 2005-01-07 16:59:19.287275172 +0000
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@@ -330,6 +330,7 @@
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static int use_dfa;
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static int use_dfa_checked = 0;
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#ifdef MBS_SUPPORT
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+ const char *last_char = NULL;
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int mb_cur_max = MB_CUR_MAX;
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mbstate_t mbs;
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memset (&mbs, '\0', sizeof (mbstate_t));
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@@ -385,6 +386,8 @@
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while (bytes_left)
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{
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size_t mlen = mbrlen (beg, bytes_left, &mbs);
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+
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+ last_char = beg;
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if (mlen == (size_t) -1 || mlen == 0)
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{
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/* Incomplete character: treat as single-byte. */
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@@ -445,6 +448,8 @@
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while (bytes_left)
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{
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size_t mlen = mbrlen (beg, bytes_left, &mbs);
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+
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+ last_char = beg;
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if (mlen == (size_t) -1 || mlen == 0)
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{
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/* Incomplete character: treat as single-byte. */
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f416c42 |
@@ -507,10 +512,84 @@
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if (match_words)
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while (start >= 0)
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{
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- if ((start == 0 || !WCHAR ((unsigned char) beg[start - 1]))
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- && (len == end - beg - 1
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- || !WCHAR ((unsigned char) beg[start + len])))
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- goto success_in_beg_and_end;
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+ int lword_match = 0;
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+ if (start == 0)
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+ lword_match = 1;
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+ else
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+ {
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+ assert (start > 0);
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+#ifdef MBS_SUPPORT
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+ if (mb_cur_max > 1)
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+ {
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+ const char *s;
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+ int mr;
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+ wchar_t pwc;
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+
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+ if (using_utf8)
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+ {
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+ s = beg + start - 1;
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+ while (s > buf
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+ && (unsigned char) *s >= 0x80
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+ && (unsigned char) *s <= 0xbf)
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+ --s;
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+ }
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+ else
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+ s = last_char;
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+ mr = mbtowc (&pwc, s, beg + start - s);
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+ if (mr <= 0)
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+ {
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+ memset (&mbs, '\0', sizeof (mbstate_t));
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+ lword_match = 1;
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+ }
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+ else if (!(iswalnum (pwc) || pwc == L'_')
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+ && mr == (int) (beg + start - s))
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+ lword_match = 1;
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+ }
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+ else
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+#endif /* MBS_SUPPORT */
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+ if (!WCHAR ((unsigned char) beg[start - 1]))
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+ lword_match = 1;
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+ }
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+
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f416c42 |
+ if (lword_match)
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+ {
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+ int rword_match = 0;
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+ if (start + len == end - beg - 1)
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+ rword_match = 1;
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+ else
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+ {
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f416c42 |
+#ifdef MBS_SUPPORT
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+ if (mb_cur_max > 1)
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+ {
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+ wchar_t nwc;
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+ int mr;
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+
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+ mr = mbtowc (&nwc, beg + start + len,
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+ end - beg - start - len - 1);
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+ if (mr <= 0)
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+ {
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+ memset (&mbs, '\0', sizeof (mbstate_t));
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+ rword_match = 1;
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+ }
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+ else if (!iswalnum (nwc) && nwc != L'_')
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+ rword_match = 1;
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+ }
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+ else
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+#endif /* MBS_SUPPORT */
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+ if (!WCHAR ((unsigned char) beg[start + len]))
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+ rword_match = 1;
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+ }
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+
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+ if (rword_match)
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+ {
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f416c42 |
+ if (!exact)
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f416c42 |
+ /* Returns the whole line. */
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+ goto success_in_beg_and_end;
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+ else
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+ /* Returns just this word match. */
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+ goto success_in_start_and_len;
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+ }
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+ }
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f416c42 |
if (len > 0)
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f416c42 |
{
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f416c42 |
/* Try a shorter length anchored at the same place. */
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