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2000-08-12  Ulrich Drepper  <drepper@redhat.com>

	* posix/regex.c (compile_range): Implement collation sequence
	handling for glibc.  Use simple character ordering otherwise and
	not strcoll.
This commit is contained in:
Ulrich Drepper 2000-08-13 06:38:11 +00:00
parent 451fc03299
commit 8868f97b04
2 changed files with 34 additions and 17 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2000-08-12 Ulrich Drepper <drepper@redhat.com>
* posix/regex.c (compile_range): Implement collation sequence
handling for glibc. Use simple character ordering otherwise and
not strcoll.
2000-08-12 Mark Kettenis <kettenis@gnu.org>
* sysdeps/generic/scandir64.c: Include <dirent.h>.

45
posix/regex.c
View File

@ -3507,23 +3507,19 @@ compile_range (range_start_char, p_ptr, pend, translate, syntax, b)
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] = TRANSLATE (range_start_char);
range_start[1] = '\0';
range_end[0] = TRANSLATE (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)++;
@ -3531,19 +3527,34 @@ compile_range (range_start_char, p_ptr, pend, translate, syntax, b)
/* 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[TRANSLATE (range_start_char)];
end_colseq = collseq[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[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;
}