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| author |   Ulrich Drepper <drepper@redhat.com> | 2004-11-18 23:57:34 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-11-18 23:57:34 +0000 |
| commit | c06a6956a40a878fdbe319e4688196e7c990bf7a (patch) | |
| tree | fee7b24f6276363e8b1f0e977231b413f9eb2fbf /posix/regexec.c | |
| parent | Update. (diff) | |
| download | glibc-c06a6956a40a878fdbe319e4688196e7c990bf7a.tar.gz glibc-c06a6956a40a878fdbe319e4688196e7c990bf7a.tar.bz2 glibc-c06a6956a40a878fdbe319e4688196e7c990bf7a.zip | |
[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.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/posix/regexec.c b/posix/regexec.c index a03df2636a..5877adeb55 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: |