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authorUlrich Drepper <drepper@redhat.com>2004-11-18 23:57:34 +0000
committerUlrich Drepper <drepper@redhat.com>2004-11-18 23:57:34 +0000
commitc06a6956a40a878fdbe319e4688196e7c990bf7a (patch)
treefee7b24f6276363e8b1f0e977231b413f9eb2fbf /posix/regexec.c
parent1b1d36792e9d9c4ad9a67ad8bfc1a3be8f2104c1 (diff)
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[BZ #544]
Update. 2004-11-18 Jakub Jelinek <jakub@redhat.com> [BZ #544] * posix/regex.h (RE_NO_SUB): New define. * posix/regex_internal.h (OP_DELETED_SUBEXP): New. (re_dfa_t): Add subexp_map. * posix/regcomp.c (struct subexp_optimize): New type. (optimize_subexps): New routine. (re_compile_internal): Call it. (re_compile_pattern): Set preg->no_sub to 1 if RE_NO_SUB. (free_dfa_content): Free subexp_map. (calc_inveclosure, calc_eclosure): Skip OP_DELETED_SUBEXP nodes. * posix/regexec.c (re_search_internal): If subexp_map is not NULL, duplicate registers as needed. * posix/Makefile: Add rules to build and run tst-regex2. * posix/tst-regex2.c: New test. * posix/rxspencer/tests: Fix last two tests (\0 -> \1). Add some new tests for nested subexpressions.
Diffstat (limited to 'posix/regexec.c')
-rw-r--r--posix/regexec.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/posix/regexec.c b/posix/regexec.c
index a03df26..5877ade 100644
--- a/posix/regexec.c
+++ b/posix/regexec.c
@@ -882,6 +882,18 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch,
pmatch[reg_idx].rm_so += match_first;
pmatch[reg_idx].rm_eo += match_first;
}
+
+ if (dfa->subexp_map)
+ for (reg_idx = 0;
+ reg_idx + 1 < nmatch && reg_idx < preg->re_nsub;
+ reg_idx++)
+ if (dfa->subexp_map[reg_idx] != reg_idx)
+ {
+ pmatch[reg_idx + 1].rm_so
+ = pmatch[dfa->subexp_map[reg_idx] + 1].rm_so;
+ pmatch[reg_idx + 1].rm_eo
+ = pmatch[dfa->subexp_map[reg_idx] + 1].rm_eo;
+ }
}
free_return: