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author | Ulrich Drepper <drepper@redhat.com> | 2004-11-18 23:57:34 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-11-18 23:57:34 +0000 |
commit | c06a6956a40a878fdbe319e4688196e7c990bf7a (patch) | |
tree | fee7b24f6276363e8b1f0e977231b413f9eb2fbf /posix/regexec.c | |
parent | 1b1d36792e9d9c4ad9a67ad8bfc1a3be8f2104c1 (diff) | |
download | glibc-c06a6956a40a878fdbe319e4688196e7c990bf7a.tar.gz glibc-c06a6956a40a878fdbe319e4688196e7c990bf7a.tar.xz 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: |