Mercurial > hg > octave-lyh > gnulib-hg
changeset 2860:2be973c18c36
Update from libc.
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Sat, 16 Sep 2000 16:46:50 +0000 |
parents | 4a5107432025 |
children | 0fd31af3177f |
files | lib/regex.c |
diffstat | 1 files changed, 30 insertions(+), 19 deletions(-) [+] |
line wrap: on
line diff
--- a/lib/regex.c +++ b/lib/regex.c @@ -1233,7 +1233,7 @@ # if defined MATCH_MAY_ALLOCATE /* 4400 was enough to cause a crash on Alpha OSF/1, whose default stack limit is 2mb. */ -int re_max_failures = 20000; +int re_max_failures = 4000; # else int re_max_failures = 2000; # endif @@ -2711,7 +2711,7 @@ PATFETCH (c); /* Now add the multibyte character(s) we found - to the acceptabed list. + to the accept list. XXX Note that this is not entirely correct. we would have to match multibyte sequences @@ -3506,23 +3506,19 @@ unsigned char *b; { unsigned this_char; - const char *p = *p_ptr; reg_errcode_t ret; - char range_start[2]; - char range_end[2]; - char ch[2]; +#if _LIBC + const unsigned char *collseq; + unsigned int start_colseq; + unsigned int end_colseq; +#else + unsigned end_char; +#endif if (p == pend) return REG_ERANGE; - /* Fetch the endpoints without translating them; the - appropriate translation is done in the bit-setting loop below. */ - range_start[0] = range_start_char; - range_start[1] = '\0'; - range_end[0] = p[0]; - range_end[1] = '\0'; - /* Have to increment the pointer into the pattern string, so the caller isn't still at the ending character. */ (*p_ptr)++; @@ -3530,19 +3526,34 @@ /* Report an error if the range is empty and the syntax prohibits this. */ ret = syntax & RE_NO_EMPTY_RANGES ? REG_ERANGE : REG_NOERROR; - /* Here we see why `this_char' has to be larger than an `unsigned - char' -- we would otherwise go into an infinite loop, since all - characters <= 0xff. */ - ch[1] = '\0'; +#if _LIBC + collseq = (const unsigned char *) _NL_CURRENT (LC_COLLATE, + _NL_COLLATE_COLLSEQMB); + + start_colseq = collseq[(unsigned char) TRANSLATE (range_start_char)]; + end_colseq = collseq[(unsigned char) TRANSLATE (p[0])]; for (this_char = 0; this_char <= (unsigned char) -1; ++this_char) { - ch[0] = this_char; - if (strcoll (range_start, ch) <= 0 && strcoll (ch, range_end) <= 0) + unsigned int this_colseq = collseq[(unsigned char) TRANSLATE (this_char)]; + + if (start_colseq <= this_colseq && this_colseq <= end_colseq) { SET_LIST_BIT (TRANSLATE (this_char)); ret = REG_NOERROR; } } +#else + /* Here we see why `this_char' has to be larger than an `unsigned + char' -- we would otherwise go into an infinite loop, since all + characters <= 0xff. */ + range_start_char = TRANSLATE (range_start_char); + end_char = TRANSLATE (p[0]); + for (this_char = range_start_char; this_char <= end_char; ++this_char) + { + SET_LIST_BIT (TRANSLATE (this_char)); + ret = REG_NOERROR; + } +#endif return ret; }