diff options
Diffstat (limited to 'abs/core/grep/12-w.patch')
| -rw-r--r-- | abs/core/grep/12-w.patch | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/abs/core/grep/12-w.patch b/abs/core/grep/12-w.patch new file mode 100644 index 0000000..79ae2ae --- /dev/null +++ b/abs/core/grep/12-w.patch @@ -0,0 +1,121 @@ +--- grep-2.5.1a/src/search.c.w 2006-02-20 14:27:27.000000000 +0000 ++++ grep-2.5.1a/src/search.c 2006-02-20 14:32:07.000000000 +0000 +@@ -507,10 +507,114 @@ + if (match_words) + while (start >= 0) + { +- if ((start == 0 || !WCHAR ((unsigned char) beg[start - 1])) +- && (len == end - beg - 1 +- || !WCHAR ((unsigned char) beg[start + len]))) +- goto success_in_beg_and_end; ++ int lword_match = 0; ++ if (start == 0) ++ lword_match = 1; ++ else ++ { ++ assert (start > 0); ++#ifdef MBS_SUPPORT ++ if (mb_cur_max > 1) ++ { ++ const char *s; ++ size_t mr; ++ wchar_t pwc; ++ ++ /* Locate the start of the multibyte character ++ before the match position (== beg + start). */ ++ if (using_utf8) ++ { ++ /* UTF-8 is a special case: scan backwards ++ until we find a 7-bit character or a ++ lead byte. */ ++ s = beg + start - 1; ++ while (s > buf ++ && (unsigned char) *s >= 0x80 ++ && (unsigned char) *s <= 0xbf) ++ --s; ++ } ++ else ++ { ++ /* Scan forwards to find the start of the ++ last complete character before the ++ match position. */ ++ size_t bytes_left = start - 1; ++ s = beg; ++ while (bytes_left > 0) ++ { ++ mr = mbrlen (s, bytes_left, &mbs); ++ if (mr == (size_t) -1 || mr == 0) ++ { ++ memset (&mbs, '\0', sizeof (mbs)); ++ s++; ++ bytes_left--; ++ continue; ++ } ++ if (mr == (size_t) -2) ++ { ++ memset (&mbs, '\0', sizeof (mbs)); ++ break; ++ } ++ s += mr; ++ bytes_left -= mr; ++ } ++ } ++ mr = mbrtowc (&pwc, s, beg + start - s, &mbs); ++ if (mr == (size_t) -2 || mr == (size_t) -1 || ++ mr == 0) ++ { ++ memset (&mbs, '\0', sizeof (mbstate_t)); ++ lword_match = 1; ++ } ++ else if (!(iswalnum (pwc) || pwc == L'_') ++ && mr == beg + start - s) ++ lword_match = 1; ++ } ++ else ++#endif /* MBS_SUPPORT */ ++ if (!WCHAR ((unsigned char) beg[start - 1])) ++ lword_match = 1; ++ } ++ ++ if (lword_match) ++ { ++ int rword_match = 0; ++ if (start + len == end - beg - 1) ++ rword_match = 1; ++ else ++ { ++#ifdef MBS_SUPPORT ++ if (mb_cur_max > 1) ++ { ++ wchar_t nwc; ++ int mr; ++ ++ mr = mbtowc (&nwc, beg + start + len, ++ end - beg - start - len - 1); ++ if (mr <= 0) ++ { ++ memset (&mbs, '\0', sizeof (mbstate_t)); ++ rword_match = 1; ++ } ++ else if (!iswalnum (nwc) && nwc != L'_') ++ rword_match = 1; ++ } ++ else ++#endif /* MBS_SUPPORT */ ++ if (!WCHAR ((unsigned char) beg[start + len])) ++ rword_match = 1; ++ } ++ ++ if (rword_match) ++ { ++ if (!exact) ++ /* Returns the whole line. */ ++ goto success_in_beg_and_end; ++ else ++ /* Returns just this word match. */ ++ goto success_in_start_and_len; ++ } ++ } + if (len > 0) + { + /* Try a shorter length anchored at the same place. */ |