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2004-11-12  Ulrich Drepper  <drepper@redhat.com>

	* posix/Makefile (tests): Add bug-regex24.
	* posix/bug-regex24.c: New file.

2004-11-12  Paolo Bonzini  <bonzini@gnu.org>

	* posix/regexec.c (check_dst_limits_calc_pos_1): Use the map to
	cut recursive paths.  Make exit condition more precise.
	(match_ctx_add_entry): Initialize the map.
	* posix/regex_internal.h (struct re_backref_cache_entry): Add a map of
	reachable subexpression nodes from each backreference cache entry.
This commit is contained in:
Ulrich Drepper
2004-11-12 09:45:05 +00:00
parent ccd8de9aa6
commit 7db612081a
5 changed files with 99 additions and 7 deletions
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59
posix/bug-regex24.c Normal file
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#include <regex.h>
#include <stdio.h>
#define str "civic"
#define N 10
static const char *expected[N] =
{
str, "c", "i", "", "", "", "", "", "", ""
};
static int
do_test (void)
{
regex_t rbuf;
static const char pat[] = "\
^(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?).?\\9\\8\\7\\6\\5\\4\\3\\2\\1$";
int err = regcomp (&rbuf, pat, REG_EXTENDED);
if (err != 0)
{
char errstr[300];
regerror (err, &rbuf, errstr, sizeof (errstr));
puts (errstr);
return err;
}
regmatch_t m[N];
err = regexec (&rbuf, str, N, m, 0);
if (err != 0)
{
puts ("regexec failed");
return 1;
}
int result = 0;
for (int i = 0; i < N; ++i)
if (m[i].rm_so == -1)
{
printf ("m[%d] unused\n", i);
result = 1;
}
else
{
int len = m[i].rm_eo - m[i].rm_so;
printf ("m[%d] = \"%.*s\"\n", i, len, str + m[i].rm_so);
if (strlen (expected[i]) != len
|| memcmp (expected[i], str + m[i].rm_so, len) != 0)
result = 1;
}
return result;
}
#define TIMEOUT 30
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"