2004-12-01 Paolo Bonzini <bonzini@gnu.org>
* posix/regcomp.c (free_dfa_content, init_dfa): Remove
references to re_dfa_t's subexps field.
(parse_sub_exp, parse_expression): Do not use it. Use
completed_bkref_map instead.
(create_initial_state, peek_token): Store a backreference \N
with opr.idx = N-1.
* posix/regexec.c (proceed_next_node, check_dst_limits, get_subexp):
Likewise.
(check_subexp_limits): Remove useless condition.
* posix/regex_internal.h (re_subexp_t): Remove.
(re_dfa_t): Remove subexps and subexps_alloc field, add
completed_bkref_map.
2004-11-27 Ulrich Drepper <drepper@redhat.com>
* posix/getconf.c (vars): Add support for _SC_IPV6 and
_SC_RAW_SOCKETS.
* sysdeps/posix/sysconf.c (__sysconf): Add support for _SC_IPV6
and _SC_RAW_SOCKETS.
* sysdeps/generic/bits/confname.h: Define _SC_IPV6 and
_SC_RAW_SOCKETS.
* posix/Makefile (install-others): Add $(inst_libexecdir)/getconf.
(CFLAGS-sysconf.c): Add -D_GETCONF_DIR.
(CFLAGS-getconf.c): New.
($(inst_libexecdir)/getconf): New.
* posix/confstr.c (confstr): Use __sysconf to query specifications
that don't have _POSIX_V6_* macros defined. Use __*_{C,LD}FLAGS
macros defined in bits/environments.h.
* sysdeps/posix/sysconf.c: Include stdlib.h, string.h and
sys/stat.h.
(__sysconf_check_spec): New routine.
(__sysconf): Use it.
* posix/getconf.c (specs): Change into structure array.
(main): If -v is not given, try to get default from
$(libexecdir)/getconf/default. If specification is not
supported by this getconf, try to execute
$(libexecdir)/getconf/$(specification).
* sysdeps/unix/bsd/bsd4.4/freebsd/bits/environments.h: New file.
* sysdeps/unix/sysv/linux/s390/bits/environments.h: New file.
* sysdeps/unix/sysv/linux/powerpc/bits/environments.h: New file.
* sysdeps/unix/sysv/linux/sparc/bits/environments.h: New file.
* sysdeps/unix/sysv/linux/i386/bits/environments.h: New file.
* sysdeps/unix/sysv/linux/x86_64/bits/environments.h: New file.
* sysdeps/generic/bits/environments.h (__ILP32_OFFBIG_CFLAGS):
Define.
2004-11-26 Jakub Jelinek <jakub@redhat.com>
2004-11-23 Paolo Bonzini <bonzini@gnu.org>
* posix/regcomp.c (analyze_tree): Always call calc_epsdest.
(calc_inveclosure): Use re_node_set_insert_last.
(parse_dup_op): Lower X{1,5} to (X(X(X(XX?)?)?)?)?
rather than X?X?X?X?X?.
* posix/regex_internal.h (re_node_set_insert_last): New declaration.
* posix/regex_internal.c (re_node_set_insert_last): New function.
* posix/PCRE.tests: Add testcases.
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.
2004-11-15 Jakub Jelinek <jakub@redhat.com>
* posix/bug-regex24.c: Include string.h.
* nis/nis_clone_obj.c (nis_clone_object): Rename out3 label to out2
and out2 to out. Remove out label. Formatting.
2004-11-15 Ulrich Drepper <drepper@redhat.com>
* include/stdio.h: Do not mark __libc_message as noreturn.
* sysdeps/unix/sysv/linux/libc_fatal.c (__libc_fatal): Add loop to
fool gcc. Include <stdbool.h>.
* sysdeps/posix/libc_fatal.c (__libc_fatal): Add loop to fool gcc.
(__libc_message): Fix typo.
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.
2004-11-09 Paolo Bonzini <bonzini@gnu.org>
* posix/regexec.c (transit_state): Remove the check for
out-of-bounds buffers.
(check_matching): Check here for out-of-bounds buffers.
(re_search_internal): Store into match_kind a set of bits
indicating which incantation of fastmap scanning must be
used. Use a switch statement instead of multiple ifs.
Exit the final "for (;;)" with goto free_return unless
the match succeeded, thus simplifying some conditionals.
* posix/regex_internal.c (re_string_reconstruct,
re_string_context_at): Add several branch predictions for
case-sensitive matching and no transition table being used.
2004-11-10 Ulrich Drepper <drepper@redhat.com>
* posix/tst-waitid.c: Don't use error to print error message, they
won't end up in the .out file.
* nscd/nscd_getgr_r.c: Likewise. Make map externally visible.
* nscd/nscd_gethst_r.c: Likewise.
2004-11-08 Ulrich Drepper <drepper@redhat.com>
* posix/regcomp.c (utf8_sb_map): Define.
(free_dfa_content): Don't free dfa->sb_char if it's a pointer to
utf8_sb_map.
(init_dfa): Use utf8_sb_map instead of initializing memory when the
encoding is UTF-8.
* posix/regcomp.c (init_dfa): Get the codeset name outside glibc as
well. Check if it is spelled UTF8 as well as UTF-8, and check
case-insensitively. Set dfa->map_notascii manually when outside
glibc.
* posix/regex_internal.c (build_wcs_upper_buffer) [!_LIBC]: Enable
optimizations based on map_notascii.
* posix/regex_internal.h [HAVE_LANGINFO_H || HAVE_LANGINFO_CODESET
|| _LIBC]: Include langinfo.h.
* posix/regex_internal.h (struct re_backref_cache_entry): Add "more"
field.
* posix/regexec.c (check_dst_limits): Hoist computation of the source
and destination bkref_idx out of the loop. Pass it to
check_dst_limits_calc_pos.
(check_dst_limits_calc_pos_1): New function, containing the recursive
loop of check_dst_limits_calc_pos; uses the "more" field of
struct re_backref_cache to control the loop.
(check_dst_limits_calc_pos): Store into "boundaries" the position
relative to lim's start and end positions. Do not accept eclosures,
accept bkref_idx instead. Call check_dst_limits_calc_pos_1 to do the
work.
(sift_states_bkref): Use the "more" field of struct re_backref_cache
to control the loop. A big "if" was turned into a continue and the
function was reindented.
(get_subexp): Use the "more" field of struct re_backref_cache
to control the loop.
(match_ctx_add_entry): Initialize the bkref_ents' "more" field.
(search_cur_bkref_entry): Return -1 if out of bounds.
* posix/regexec.c (empty_set): Remove.
(sift_states_backward): Remove cur_src variable. Move inner loop
to build_sifted_states.
(build_sifted_states): Extract from sift_states_backward. Do not
use empty_set.
(update_cur_sifted_state): Do not use empty_set. Special case
dest_nodes->nelem == 0.
2004-11-03 Paolo Bonzini <bonzini@gnu.org>
* posix/regex_internal.h (struct re_backref_cache_entry): Remove flag
field.
(struct re_sift_context_t): Remove cur_bkref, cls_subexp_idx,
check_subexp fields. Move limits last.
* posix/regexec.c (match_ctx_clear_flag): Remove.
(sift_ctx_init): Remove check_subexp parameter. Do not set removed
fields. Callers adjusted.
(expand_bkref_cache): Remove last_str parameter. Callers adjusted.
(re_search_internal): Remove fast_translate variable.
(update_cur_sifted_state): Pass candidates as the final parameter
to sift_states_bkref.
(sift_states_bkref): Change last unused parameter to be "candidates",
do not fetch candidates into a local variable.
Remove dead test for "node == sctx->bkref", and the cur_bkref_idx
variable.
Remove loops that set/reset the flag field of backref cache entries.
(check_arrival_add_next_nodes): Use a signed int to hold the return
value of re_node_set_insert.
(group_nodes_into_DFAstates): Likewise.
(match_ctx_add_entry): Do not set the flag field of the new entry.
2004-10-27 Jakub Jelinek <jakub@redhat.com>
* sysdeps/generic/glob.c (globfree): Clear gl_pathv after freeing it.
* posix/Makefile: Add rules to build and run bug-glob2 test.
* posix/bug-glob2.c: New test.
* posix/tst-getaddrinfo2.c: Include stdlib.h and string.h.
(do_test): Use %p instead of 0x%08X to print a pointer.
* malloc/malloc.c: Include stdio-common/_itoa.h.
2004-09-29 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/glob.c (glob_in_dir): Don't blindly trust
readdir results; for symlinks or files of unknown type check using
stat whether the file exists.
* posix/tst-gnuglob.c (find_file): Handle leading "./". Fix
recognition of files.
* posix/sys/wait.h [__WIFCONTINUED] (WIFCONTINUED): New macro.
* stdlib/stdlib.h [__WIFCONTINUED] (WIFCONTINUED): New macro.
* sysdeps/generic/bits/waitstatus.h (__W_CONTINUED): New macro.
[WCONTINUED] (__WIFCONTINUED): New macro.
(__WIFSIGNALED): Rewritten to exclude __W_CONTINUED value, and have no
branches.
Update.
2004-09-26 Ulrich Drepper <drepper@redhat.com>
* sysdeps/posix/getaddrinfo.c (getaddrinfo): Remove incorrect
requirement on socktype and protocol.
(gaih_inet): If numeric port number is given, return records for all
possible socket types.
* posix/tst-getaddrinfo2.c: New file.
* posix/Makefile (tests): Add tst-getaddrinfo2. [BZ #358]
* nscd/aicache.c: Prefer using gethostbyname3_r NSS callback to also
get ttl and canonical name. Use these two values.
* resolv/Versions: Export _nss_dns_gethostbyname3_r from libnss_dns.
* resolv/nss_dns/dns-host.c (getanswer_r): Take two new parameters.
If nonnull fill with TTL and pointer to canonical name respectively.
(_nss_dns_gethostbyaddr_r): Pass NULL in new parameters of getanswer_r.
(_nss_dns_gethostbyname2_r): Just wrapper around
_nss_dns_gethostbyname3_r.
(_nss_dns_gethostbyname3_r): Renamed from _nss_dns_gethostbyname2_r.
Take two new parameters which as passed to getanswer_r.
* posix/spawn.h [__USE_GNU]: Define POSIX_SPAWN_USEVFORK.
* posix/spawnattr_setflags.c: Check whether any unknown bit is set
in FLAGS parameter and fail if this is the case.
* sysdeps/posix/spawni.c: Use vfork if POSIX_SPAWN_USEVFORK flag is
set.
Update.
2004-09-01 Jakub Jelinek <jakub@redhat.com>
[BZ #361]
* posix/fnmatch_loop.c (FCT): For backslash between brackets, branch
to normal_bracket after fetching the next character.
* posix/tst-fnmatch.input: Add 25 new tests.
Reported by Markus Oberhumer <markus@oberhumer.com>.
2004-08-30 Jakub Jelinek <jakub@redhat.com>
* posix/bits/posix1_lim.h (_POSIX_CHILD_MAX, _POSIX_OPEN_MAX): If
not __USE_XOPEN2K, use the Unix98 mandated values.
* posix/tst-waitid.c (test_child): Sleep a second before stopping.
(do_test): Bump sleep to three seconds.
(sigchld, check_sigchld): New functions.
(do_test): Handle SIGCHLD and check for getting the right details.
2004-07-23 Ulrich Drepper <drepper@redhat.com>
* posix/bits/posix1_lim.h: Fix values for _POSIX_CHILD_MAX and
_POSIX_OPEN_MAX. Add _POSIX_HOST_NAME_MAX, _POSIX_SYMLINK_MAX,
_POSIX_SYMLOOP_MAX, and _POSIX_RE_DUP_MAX.
Reported by Andrew Josey.
* include/features.h: Document _POSIX_C_SOURCE == 200112L.
* grp/grp.h: Define gid_t if __USE_XOPEN2K is defined.
* pwd/pwd.h: Define uid_t and gid_t if __USE_XOPEN2K is defined.
* io/sys/stat.h: Define dev_t, gid_t, ino_t, mode_t, nlink_t,
off_t, time_t, and uid_t if __USE_XOPEN2K is defined.
* signal/signal.h: Define pid_t if __USE_XOPEN2K is defined.
* posix/unistd.h: Define gid_t, off_t, pid_t, uid_t, and
useconds_t if __USE_XOPEN2K is defined.
* io/utime.h: Define time_t if __USE_XOPEN2K is defined.
* libio/stdio.h: Declare fseeko and ftello if __USE_XOPEN2K is defined.
2004-04-21 Jakub Jelinek <jakub@redhat.com>
* posix/tst-chmod.c (do_test): Fix a typo.
* elf/lateglobal.c (main): Fix error checks.
Patch by Stephen Clarke <stephen.clarke@st.com>.
* manual/ctype.texi (isblank, iswblank): Mark as ISO functions,
mention they have been added in ISO C99.
Reported by Ben Pfaff <blp@cs.stanford.edu>.
2004-03-31 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/ieee754/ldbl-128/bits/huge_vall.h: Fix typo.
2004-03-12 Ulrich Drepper <drepper@redhat.com>
* posix/getconf.c (vars): Add _SC_ values for cache information.
* sysdeps/generic/bits/confname.h: Add _SC_* values for cache
information.
* sysdeps/unix/sysv/linux/sysconf.c (__sysconf): Reorganize to
allow yet another sysconf function to include the one in this file.
* sysdeps/unix/sysv/linux/i386/sysconf.c: New file.
* sysdeps/generic/sysconf.c: Add default handling for cache line info.
2004-03-10 Richard Henderson <rth@redhat.com>
* sysdeps/generic/errno.c: Disable versioning for rtld.
* sysdeps/generic/Makefile (elf/shared): Add unwind-pe.
* sysdeps/generic/unwind-pe.c: New file.
* sysdeps/generic/unwind-pe.h: Only prototypes for _LIBC without
_LIBC_DEFINITIONS.
* posix/regexec.c: Likewise.
2004-03-08 Paul Eggert <eggert@cs.ucla.edu>
Merge from gnulib. We now assume C89 or better.
* posix/getopt1.c (const): Remove.
* posix/getopt.c (const): Likewise.
* posix/getopt1.c (getopt_long, _getopt_long_r, getopt_long_only,
_getopt_long_only_r, main): Use prototypes, not old-style definitions.
* posix/getopt.c (exchange, _getopt_initialize, _getopt_internal_r,
_getopt_internal, getopt, main): Likewise.
* posix/getopt.h (getopt, getopt_long, getopt_long_only): Likewise.
* posix/getopt.c [!defined VMS || !HAVE_STRING_H]:
Include <string.h> regardless. No need for <strings.h>.
[!defined _LIBC]: Include "gettext.h" rather than rolling it ourselves.
(_): Define to gettext always.
(my_index): Remove: all uses changed to strchr.
(strlen): Remove declaration.
* posix/getopt.h (struct option.name): Always const char *.
2004-03-08 Marcus Brinkmann <marcus@gnu.org>
* posix/getopt.h (_getopt_internal): Move to ...
* posix/getopt_int.h: ... here. New file.
* include/getopt_int.h: New file.
* include/getopt.h: Remove libc_hidden_proto for getopt_long
and getopt_long_only.
* posix/getopt1.c: Include "getopt_int.h". Remove
libc_hidden_def for getopt_long and getopt_long_only.
(_getopt_long_r, _getopt_long_only_r): New functions.
* posix/getopt.c: Include "getopt_int.h".
(__getopt_initialized): Variable removed.
(nextchar, ordering, posixly_correct, first_nonopt, last_nonopt):
Static variables removed.
(nonoption_flags_max_len, nonoption_flags_len) [_LIBC &&
USE_NONOPTION_FLAGS]: Static variables removed.
(getopt_data): New static variable.
(SWAP_FLAGS): Use d->__nonoption_flags_len instead
nonoption_flags_len.
(exchange): Add new argument D of type struct getopt_data *.
Replace optind with d->optind, optarg with d->optarg, opterr with
d->opterr, optopt with d->optopt, nextchar with d->__nextchar,
first_nonopt with d->__first_nonopt, last_nonopt with
d->__last_nonopt, d->ordering with d->__ordering,
d->posixly_correct with d->__posixly_correct (which is now an
int instead a string, so fix users), nonoption_flags_len
with d->__nonoption_flags_len, nonoption_flags_max_len with
d->__nonoption_flags_max_len.
(_getopt_initialize): Likewise.
(_getopt_internal): Rename to ...
(_getopt_internal_r): ... this. Also add new argument D of type
struct getopt_data * and use of members of D rather than global or
static variables as described for exchange() above. Add new argument
to invocations of _getopt_initialize and exchange.
(_getopt_internal): Reimplement in terms of _getopt_internal_r.
* argp/argp-parse.c: Include <getopt_int.h>.
[_LIBC]: Do not include <bits/libc-lock.h>.
[!_LIBC && HAVE_CTHREADS_H]: Do not include <cthreads.h>.
[!_LIBC] (_argp_hang): Make static.
(getopt_lock, LOCK_GETOPT, UNLOCK_GETOPT): Remove.
(_argp_unlock_xxx): Remove.
(parser_init): Do not use LOCK_GETOPT.
(parser_finalize): Do not use UNLOCK_GETOPT.
(struct parser): New member OPT_DATA.
(parser_init): Initialize parser->opt_data. Use
parser->opt_data.opterr instead of opterr.
(parser_parse_opt): Use parser->opt_data.optarg instead optarg.
(parser_parse_next): Likewise. Use parser->opt_data.optind
instead optind. Use parser->opt_data.optopt instead of optopt.
Call _getopt_long_only_r and _getopt_long_r instead of
getopt_long_only and getopt_long, and pass the extra argument.
2004-02-29 Paolo Bonzini <bonzini@gnu.org>
* posix/regexec.c (transit_state): Don't handle state == NULL.
Move state log and backreference management...
(merge_state_with_log): ... to this function.
(find_recover_state): New function.
(check_matching): Use find_recover_state to get a non-NULL
state when an invalid state is reached. Compute the amount
of initial characters to be skipped less conservatively when
multi-byte character sets are in use. Do not check
dfa->nbackref if the state log is NULL. Initialize err.
(acquire_init_state_context): Expect err to be initialized.
Fix spacing.
2004-03-05 Jakub Jelinek <jakub@redhat.com>
* sysdeps/sparc/sparc32/elf/start.S: Handle PIEs.
* sysdeps/sparc/sparc64/elf/start.S: Likewise.
2004-02-24 Arnold D. Robbins <arnold@skeeve.com>
* posix/regex_internal.c (build_wcs_upper_buffer): Enclose
`offsets_needed' label in `#ifdef _LIBC' to silence `unused label'
compiler warning.
2004-02-24 Nelson H.F. Beebe <beebe@math.utah.edu>
* posix/regex_internal.c (build_wcs_buffer): Add cast to char* in call
to `wcrtomb'.
* posix/regex_internal.h (bitset_not, bitset_merge, bitset_not_merge,
bitset_mask, re_string_char_size_a, re_string_wchar_at,
re_string_elem_size_at): Change to use prototypes.
(re_string_char_size_at, re_string_wchar_at,
re_string_elem_size_at): Declare as `internal_function'.
2004-02-23 Jakub Jelinek <jakub@redhat.com>
* sysdeps/posix/getaddrinfo.c (gaih_inet): If _res has not been
inited yet, try to init it before saving old _res.options.
* posix/Makefile (xtests): Add bug-ga2.
(generated): Add bug-ga2.mtrace and bug-ga2-mem.
(xtests): Depend on bug-ga2-mem.
($(objpfx)bug-ga2-mem, bug-ga2-ENV): New.
* posix/bug-ga2.c: New test.
2004-02-02 Paolo Bonzini <bonzini@gnu.org>
* posix/regexec.c (check_matching): Add P_MATCH_FIRST parameter.
(re_search_internal): Pass new parameter to check_matching.
(check_matching): Unless a parenthesized group is found at the
beginning of the regexp, advance P_MATCH_FIRST until we entered
a state different from the initial state.
2004-01-13 Ulrich Drepper <drepper@redhat.com>
* posix/regex.c: Support crappy compilers and platforms which have
problems with alloca.
* posix/regex_internal.h: Likewise.
Patch by Paolo Bonzini.
2004-01-12 Paolo Bonzini <bonzini@gnu.org>
* posix/regcomp.c [_LIBC && !RE_ENABLE_I18N]:
Drop code to support this, it is never true.
(build_range_exp) [!_LIBC]: Do not create a range
in MBCSET for a single-byte character set.
(build_range_exp) [_LIBC]: Do not create a range
in MBCSET for a single-byte character set without
collation elements.
(init_dfa): Do not conditionalize on _LIBC, it
just makes the code less clear.
(parse_bracket_exp): Use NON_MATCH variable in
addition to "mbcset->non_match", not as an
alternative.
(build_charclass_op): rename NOT parameter to
NON_MATCH, use it instead of declaring a variable.
(parse_bracket_exp) [!_LIBC]: Pass NULL for MBCSET
if the character set is single-byte.
2004-01-14 Jakub Jelinek <jakub@redhat.com>
* posix/regcomp.c (peek_token_bracket): Check remaining
string length before re_string_peek_byte (x, 1).
(parse_bracket_symbol): Likewise.
* posix/regex_internal.h (re_string_is_single_byte_char): Return
true at last byte in the string.
* posix/bug-regex22.c (main): Add new test.
2004-01-05 Jakub Jelinek <jakub@redhat.com>
* posix/regcomp.c (regcomp): Fix comment typo.
(regfree): Free preg->translate, clear buffer, allocated, fastmap
and translate fields.
* posix/regcomp.c (build_charclass, buld_charclass_op): Change first
argument to unsigned RE_TRANSLATE_TYPE.
* posix/regex_internal.h (re_string_t): Change trans type to
unsigned RE_TRANSLATE_TYPE.
* posix/regex_internal.c (re_string_construct_common): Cast
trans to unsigned RE_TRANSLATE_TYPE.
(re_string_peek_byte_case, re_string_fetch_byte_case): Avoid fast
path if pstr->trans. Never translate the character through
pstr->trans.
* posix/Makefile (tests): Add bug-regex22.
(bug-regex22-ENV): Set.
* posix/bug-regex22.c: New test.
* posix/regexec.c (get_subexp): Only set bkref_str after the first
loop, use buf + bkref_str_off in the loop instead.
* posix/bug-regex11.c (tests): Add 3 new tests.
* posix/regexec.c (clean_state_log_if_need): Rename to...
(clean_state_log_if_needed): ...this.
(transit_state_mb, get_subexp_sub): Adjust callers.
* posix/regexec.c (re_copy_regs): Allocate start and end array in
one block.
(push_fail_stack): Add missing check for failed memory allocation.
_IO_peekc_unlocked, _IO_ptc_unlocked, _IO_getwc_unlocked, and
overflow for 0 as argument. Raise Invalid exception for negative args.
2003-12-23 Paolo Bonzini <bonzini@gnu.org>
* posix/regex_internal.c (re_dfa_add_node): Initialize opt_subexp.
* posix/regex_internal.h (re_token_type_t): Put OP_DUP_PLUS
among the tokens, rather than among the epsilon-transiting nodes.
(re_token_t): Add the opt_subexp flag.
* posix/regcomp.c (optimize_utf8, calc_first,
calc_next, calc_epsdest): Don't consider OP_DUP_PLUS.
(mark_opt_subexp, mark_opt_subexp_iter): New functions.
(parse_dup_op): Mostly rewritten, lowering OP_DUP_PLUS to
OP_DUP_ASTERISK and marking optional subexpressions
as such using mark_opt_subexp.
* posix/regexec.c (set_regs): Initialize PREV_INDEX_MATCH
and pass it to update_regs.
(update_regs): Use the PREV_INDEX_MATCH parameter, together
with the opt_subexp flag, in order to discard a final empty
match of a repeated subexpression.
* posix/BOOST.tests: Adjust test vectors.
* posix/PCRE.tests: Likewise.
* posix/rxspencer/tests: Likewise.
2003-12-17 Paolo Bonzini <bonzini@gnu.org>
2003-12-16 Paolo Bonzini <bonzini@gnu.org>
2003-12-17 Paolo Bonzini <bonzini@gnu.org>
2003-12-16 Jakub Jelinek <jakub@redhat.com>
2003-04-06 Kaz Kojima <kkojima@rr.iij4u.or.jp>
2003-02-20 Paolo Bonzini <bonzini@gnu.org>
2003-01-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2003-01-09 Richard Henderson <rth@redhat.com>
2003-01-09 Richard Henderson <rth@redhat.com>
2003-01-03 Paul Eggert <eggert@twinsun.com>
2003-12-16 Petter Reinholdtsen <pere@hungry.com>
* posix/regex_internal.h: Make sure the regex code compile
with non-GCC compilers by hiding attributes.
2002-12-16 Jakub Jelinek <jakub@redhat.com>
Paolo Bonzini <bonzini@gnu.org>
* posix/regexec.c (group_nodes_into_DFAstates): Never produce
dests_ch items that are empty.
2003-12-14 Paolo Bonzini <bonzini@gnu.org>
* posix/regex_internal.c (re_acquire_state_context):
Compare the node sets after all the other comparisons.
2003-12-13 Paolo Bonzini <bonzini@gnu.org>
* posix/regexec.c (find_subexp_node, check_arrival,
check_arrival_add_next_nodes, check_arrival_expand_ecl,
check_arrival_expand_ecl_sub, expand_bkref_cache):
Rename the FL_OPEN parameter to TYPE, which is either
OP_OPEN_SUBEXP or OP_CLOSE_SUBEXP. Callers adjusted.
* Makeconfig (gnulib): If have-cc-with-libunwind is "yes", also
2003-11-12 David Mosberger <davidm@hpl.hp.com>
