Update.
2004-12-13 Paolo Bonzini <bonzini@gnu.org>
Separate parsing and creation of the NFA. Avoided recursion on
the (very unbalanced) parse tree.
[BZ #611]
* posix/regcomp.c (struct subexp_optimize, analyze_tree, calc_epsdest,
re_dfa_add_tree_node, mark_opt_subexp_iter): Removed.
(optimize_subexps, duplicate_tree, calc_first, calc_next,
mark_opt_subexp): Rewritten.
(preorder, postorder, lower_subexps, lower_subexp, link_nfa_nodes,
create_token_tree, free_tree, free_token): New.
(analyze): Accept a regex_t *. Invoke the passes via the preorder and
postorder generic visitors. Do not initialize the fields in the
re_dfa_t that represent the transitions.
(free_dfa_content): Use free_token.
(re_compile_internal): Analyze before UTF-8 optimizations. Do not
include optimization of subexpressions.
(create_initial_state): Fetch the DFA node index from the first node's
bin_tree_t *.
(optimize_utf8): Abort on unexpected nodes, including OP_DUP_QUESTION.
Return on COMPLEX_BRACKET.
(duplicate_node_closure): Fix comment.
(duplicate_node): Do not initialize the fields in the
re_dfa_t that represent the transitions.
(calc_eclosure, calc_inveclosure): Do not handle OP_DELETED_SUBEXP.
(create_tree): Remove final argument. All callers adjusted. Rewritten
to use create_token_tree.
(parse_reg_exp, parse_branch, parse_expression, parse_bracket_exp,
build_charclass_op): Use create_tree or create_token_tree instead
of re_dfa_add_tree_node.
(parse_dup_op): Likewise. Also free the tree using free_tree for
"<re>{0}", and lower OP_DUP_QUESTION to OP_ALT: "a?" is equivalent
to "a|". Adjust invocation of mark_opt_subexp.
(parse_sub_exp): Create a single SUBEXP node.
* posix/regex_internal.c (re_dfa_add_node): Remove last parameter,
always perform as if it was 1. Do not initialize OPT_SUBEXP and
DUPLICATED, and initialize the DFA fields representing the transitions.
* posix/regex_internal.h (re_dfa_add_node): Adjust prototype.
(re_token_type_t): Move OP_DUP_PLUS and OP_DUP_QUESTION to the tokens
section. Add a tree-only code SUBEXP. Remove OP_DELETED_SUBEXP.
(bin_tree_t): Include a full re_token_t for TOKEN. Turn FIRST and
NEXT into pointers to trees. Remove ECLOSURE.
2004-12-28 Paolo Bonzini <bonzini@gnu.org >
[BZ #605]
* posix/regcomp.c (parse_bracket_exp): Do not modify DFA nodes
that were already created.
* posix/regex_internal.c (re_dfa_add_node): Set accept_mb field
in the token if needed.
(create_ci_newstate, create_cd_newstate): Set accept_mb field
from the tokens' field.
* posix/regex_internal.h (re_token_t): Add accept_mb field.
(ACCEPT_MB_NODE): Removed.
* posix/regexec.c (proceed_next_node, transit_states_mb,
build_sifted_states, check_arrival_add_next_nodes): Use
accept_mb instead of ACCEPT_MB_NODE.
2005-01-06 Ulrich Drepper <drepper@redhat.com>
* misc/sys/cdefs.h: Define __wur.
* libio/stdio.h: Use __wur for a number of interfaces.
* posix/unistd.h: Likewise.
* posix/regex_internal.c (free_state): Free word_trtable.
2004-12-07 Paolo Bonzini <bonzini@gnu.org>
* posix/regexec.c (proceed_next_node): Simplify treatment of epsilon
nodes. Pass the pushed node to push_fail_stack.
(push_fail_stack): Accept a single node rather than an array
of two epsilon destinations.
(build_sifted_states): Only walk non-epsilon nodes.
(check_arrival): Don't pass epsilon nodes to
check_arrival_add_next_nodes.
(check_arrival_add_next_nodes) [DEBUG]: Abort if an epsilon node is
found.
(check_node_accept): Do expensive checks later.
(add_epsilon_src_nodes): Cache result of merging the inveclosures.
* posix/regex_internal.h (re_dfastate_t): Add non_eps_nodes and
inveclosure.
(re_string_elem_size_at, re_string_char_size_at, re_string_wchar_at,
re_string_context_at, re_string_peek_byte_case,
re_string_fetch_byte_case, re_node_set_compare, re_node_set_contains):
Declare as pure.
* posix/regex_internal.c (create_newstate_common): Remove.
(register_state): Move part of it here. Initialize non_eps_nodes.
(free_state): Free inveclosure and non_eps_nodes.
(create_cd_newstate, create_ci_newstate): Allocate the new
re_dfastate_t here.
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.
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.
2004-02-24 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'.
2004-01-05 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.
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>
2003-12-14 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>
2003-11-25 Ulrich Drepper <drepper@redhat.com>
* posix/runptests.c (main): Make errors fatal.
* posix/PTESTS: One test in GA135 and GA136 check functionality
which seems not guaranteed.
2003-11-25 Jakub Jelinek <jakub@redhat.com>
* posix/regexec.c (re_search_internal): If prune_impossible_nodes
returned REG_NOMATCH, set match_last to -1. Don't initialize
pmatch[0] needlessly. Fix comment.
(prune_impossible_nodes): Don't segfault on NULL state_log entry.
(set_regs): Fix comment.
* posix/regcomp.c (parse_bracket_exp): Only set has_plural_match
if adding both SIMPLE_BRACKET and COMPLEX_BRACKET.
(build_charclass_op): Set has_plural_match if adding both
SIMPLE_BRACKET and COMPLEX_BRACKET.
* posix/bug-regex11.c (tests): Fix register values for one commented
out test. Add new tests.
* posix/regex_internal.c (re_string_allocate): Make sure init_len
is at least dfa->mb_cur_max.
(re_string_reconstruct): If is_utf8, don't fall back into
re_string_skip_chars just because idx points into a middle of
valid UTF-8 character. Instead, set the wcs bytes which correspond
to the partial character bytes to WEOF.
* posix/regexec.c (re_search_internal): Allocate input.bufs_len + 1
instead of dfa->nodes_len + 1 state_log entries initially.
* posix/bug-regex20.c (main): Uncomment backwards case insensitive
tests.
2003-11-22 Ulrich Drepper <drepper@redhat.com>
* posix/PTESTS: Fix first test of GA143.
* posix/regex_internal.c (re_dfa_add_node): Add BE, reallocation
isn't likely.
2003-11-20 Ulrich Drepper <drepper@redhat.com>
* posix/PTESTS: Fix first test in GA143.
2003-11-20 Jakub Jelinek <jakub@redhat.com>
* posix/regex_internal.h (re_dfastate_t): Remove trtable_search.
Add word_trtable.
* posix/regex_internal.c (create_newstate_common, free_state):
Don't free trtable_search.
* posix/regexec.c (check_matching): Remove fl_search argument.
(transit_state_sb): Likewise. #ifdef out as unused.
(build_trtable): Remove fl_search argument. Set state->word_trtable
and state->trtable. Build separate word and non-word tables if
multi-byte and they differ for some character.
(transit_state): Remove fl_search argument. Don't update
state->trtable here. Handle state->word_trtable.
#ifdef out unused call to transit_state_sb.
(re_search_internal): Update check_matching caller.
(group_nodes_into_DFAstates): Don't clear non-ascii chars in accepts
bitmask for multi-byte locales.
* posix/bug-regex19.c (tests): Enable some commented out tests, add
2 new tests.
* posix/tst-rxspencer.c (mb_tests): Don't test [[=b=]] for now as
multi-byte. Don't run identical multi-byte tests multiple times
unnecessarily.
(main): Check setlocale return value.
* posix/Makefile (tst-rxspencer-ARGS): Add --utf8 argument.
(tst-rxspencer-ENV): Remove MALLOC_TRACE, add LOCPATH.
($(objpfx)tst-rxspencer-mem): Run another tst-rxspencer test
here, without --utf8 argument but with MALLOC_TRACE.
* posix/regex_internal.h (re_token_type_t): Remove unused ALT,
END_OF_RE_TOKEN_T and SUBEXP. Reorder values. Add OP_UTF8_PERIOD
and EPSILON_BIT.
(IS_EPSILON_NODE): Just test if EPSILON_BIT is set.
(ACCEPT_MB_NODE): Return 1 for OP_UTF8_PERIOD as well.
* posix/regex_internal.c (create_ci_newstate, create_cd_newstate):
Handle OP_UTF8_PERIOD.
(re_string_reconstruct): Set valid_len for single byte char searching
with no translation and case sensitivity.
* posix/regcomp.c (re_compile_fastmap_iter, calc_first): Handle
OP_UTF8_PERIOD.
(re_compile_internal): Don't call optimize_utf8 if preg->translate
!= NULL.
(optimize_utf8): Remove BACK_SLASH case.
Transform OP_PERIOD into OP_UTF8_PERIOD if the searching can be
optimized.
(parse_bracket_exp): Don't create SIMPLE_BRACKET if it doesn't have
any bits set and COMPLEX_BRACKET is used.
* posix/regexec.c (transit_state_mb): Fix comment typo.
(group_nodes_into_DFAstates, check_node_accept): Handle
OP_UTF8_PERIOD.
(check_node_accept_bytes): Likewise. Reorder slightly so that
re_string_char_size_at and re_string_elem_size_at are called
only when needed.
* posix/bug-regex20.c (BRE, ERE): Define.
(tests): Use them to make lines shorter. Expect . to be
optimized. Add lots of new tests.
(main): Run (ATM just case sensitive) test with backwards searching
as well.
2003-11-18 Jakub Jelinek <jakub@redhat.com>
* posix/regex_internal.h: Add forward declaration of re_dfa_t.
Replace last two parameters of re_string_allocate and
re_string_construct with pointer to DFA.
(re_dfa_t): Add map_notascii field.
* posix/regcomp.c (re_compile_internal): Add call of
re_string_construct.
(init_dfa): Initialize mpa_notascii.
* posix/regex_internal.c: Adjust definitions of re_string_allocate
and re_string_construct.
Pass DFA to re_string_construct. Adjust definition. Initialize
map_notascii field.
(build_wcs_upper_buffer): If map_notascii is zero use simplfied
method to map ASCII values to upper case.
* posix/regex.c: Include localeinfo.h.
* posix/regexec.c: Adjust call of re_string_allocate.
* locale/langinfo.h: Add _NL_CTYPE_MAP_TO_NONASCII.
* locale/localeinfo.h (LIMAGIC): Change value.
* locale/categories.def. Add entry for _NL_CTYPE_MAP_TO_NONASCII.
* locale/C-ctype.h: Likewise.
* locale/programs/ld-ctype.c: Compute whether any mapping maps from
ASCII to non-ASCII value. Write out that value.
2003-11-12 Jakub Jelinek <jakub@redhat.com>
* io/ftw.c (NFTW_NEW_NAME, NFTW_OLD_NAME): Add prototypes.
2003-11-12 Jakub Jelinek <jakub@redhat.com>
* posix/tst-regex.c (umemlen): New variable.
(test_expr): Add expectedicase argument. Test case insensitive
searches as well as backwards searches (case sensitive and
insensitive) too.
(run_test): Add icase argument. Use it to compute regcomp flags.
(run_test_backwards): New function.
(main): Cast read to size_t to avoid warning. Set umemlen.
Add expectedicase arguments to test_expr.
* posix/regex_internal.c (re_string_reconstruct): If is_utf8,
find previous character by walking back instead of converting
all chars from beginning.
2003-11-12 Jakub Jelinek <jakub@redhat.com>
* posix/regex_internal.h (struct re_string_t): Add is_utf8
and mb_cur_max fields.
(struct re_dfa_t): Likewise. Reorder fields to make structure
smaller on 64-bit arches.
(re_string_allocate, re_string_construct): Add mb_cur_max and
is_utf8 arguments.
(re_string_char_size_at, re_string_wchar_at): Use pstr->mb_cur_max
instead of MB_CUR_MAX.
* posix/regcomp.c (re_compile_fastmap_iter): Use dfa->mb_cur_max
instead of MB_CUR_MAX.
(re_compile_internal): Pass new arguments to re_string_construct.
(init_dfa): Initialize mb_cur_max and is_utf8 fields.
(peek_token, peek_token_bracket): Use input->mb_cur_max instead
of MB_CUR_MAX.
(parse_expression, parse_bracket_exp, parse_charclass_op): Use
dfa->mb_cur_max instead of MB_CUR_MAX.
* posix/regex_internal.c (re_string_construct_common): Add
mb_cur_max and is_utf8 arguments. Initialize fields with them.
(re_string_allocate, re_string_construct): Add mb_cur_max and
is_utf8 arguments, pass them to re_string_construct_common.
Use mb_cur_max instead of MB_CUR_MAX.
(re_string_realloc_buffers): Use pstr->mb_cur_max instead of
MB_CUR_MAX.
(re_string_reconstruct): Likewise.
(re_string_context_at): Use input->mb_cur_max instead of
MB_CUR_MAX.
(create_ci_newstate, create_cd_newstate): Use dfa->mb_cur_max
instead of MB_CUR_MAX.
* posix/regexec.c (re_search_internal): Likewise.
Pass new arguments to re_string_allocate.
(check_matching, transit_state_sb): Use dfa->mb_cur_max instead of
MB_CUR_MAX.
(extend_buffers): Use pstr->mb_cur_max instead of MB_CUR_MAX.
2003-11-12 Jakub Jelinek <jakub@redhat.com>
* posix/Makefile (tests): Add bug-regex19.
(bug-regex19-ENV): Add LOCPATH.
* posix/bug-regex19.c: New test.
* inet/rcmd.c (rresvport_af): Avoid using invliad values. Wrap
around in search if port IPPORT_RESERVED/2 has been test.
2002-02-20 Paolo Bonzini <bonzini@gnu.org>
* posix/regcomp.c: Remove inclusions.
* posix/regexec.c: Likewise.
* posix/regex_internal.c: Likewise.
* posix/regex_internal.h: Add inclusions here.
* posix/regex.c: Only include sys/types.h before regex.h. Include
regex_internal.h here. Include regex_internal.c before regcomp.c
and regexec.c (might expose more opportunities to the C compiler).
* posix/regcomp.c (parse_expression): Fix construct rejected by SGI CC.
* posix/regex_internal.h [!_LIBC] (__mempcpy): Fix typo.
[!_LIBC] (__wcrtomb): New definition.
[!_LIBC]: Conditionalize enabling of I18N on HAVE_WCSCOLL and
HAVE_LOCALE_H as well.
2003-02-20 Ulrich Drepper <drepper@redhat.com>
2002-12-17 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (free_workarea_compile): Free the new member
ORG_INDICES.
(analyze): Initialize ORG_INDICES.
(duplicate_node_closure): Search for a existing node, which is
duplicated from the node ORG_DEST and satisfies the constraint
CONSTRAINT. And use it to avoid inifimite loop.
(search_duplicated_node): New function.
(duplicate_node): Store the index of the original node.
* posix/regex_internal.c (re_dfa_add_node): Realloc ORG_INDICES
if needed.
* posix/regex_internal.h (re_dfa_t): Add new members.
2002-11-27 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (parse_expression): Set the bit since the back
reference is used in the regular expression.
* posix/regex_internal.c (re_node_set_init_1): Make it clean in case
of malloc failure.
(re_node_set_init_copy): Likewise.
* posix/regex_internal.h (state_array_t): New structure.
(re_sub_match_last_t): Likewise.
(re_sub_match_top_t): Likewise.
(re_match_context_t): Add new members.
(re_dfa_t): Likewise.
* posix/regexec.c (re_search_internal): Invoke prune_impossible_nodes
to check the matching is really correct, and retry if failed.
Move the routin pruning the impossible nodes from here, ...
(prune_impossible_nodes): To this function.
(check_matching): Invoke check_subexp_matching_top, and replace
redundant checking with transit_state_bkref invocation.
(proceed_next_node): Replace strncmp with memcmp. Reported by
Paolo Bonzini <bonzini@gnu.org>.
(update_cur_sifted_state): Remove search_subexp invocation.
(search_subexp): Remove this function.
(check_dst_limits_calc_pos): Use search_cur_bkref_entry for
optimization.
(sift_states_bkref): Use search_cur_bkref_entry for optimization.
Remove unused invocation of match_ctx_add_entry.
(transit_state): Invoke check_subexp_matching_top.
(check_subexp_matching_top): New function.
(transit_state_bkref): Remove unused array.
Merge transit_state_bkref_loop.
(transit_state_bkref_loop): Use get_subexp instead of
sift_states_backward. Use search_cur_bkref_entry for optimization.
Merge this function to transit_state_bkref.
(get_subexp): New function.
(get_subexp_sub): Likewise.
(find_subexp_node): Likewise.
(check_arrival): Likewise.
(check_arrival_expand_ecl): Likewise.
(check_arrival_expand_ecl_sub): Likewise.
(expand_bkref_cache): Likewise.
(match_ctx_init): Initialize new members.
(match_ctx_clean): New function.
(match_ctx_free): Release new members.
(match_ctx_free_subtops): New function.
(match_ctx_add_entry): Fix indent.
(search_cur_bkref_entry): New function.
(match_ctx_add_subtop): Likewise.
(match_ctx_add_sublast): Likewise.
wide character.
(re_string_reconstruct): Calculate the context by itself when the
offset points out of the valid range.
(re_string_context_at): Use wide character when MB_CUR_MAX > 1.
* posix/regex_internal.h (WIDE_NEWLINE_CHAR): New macro.
(IS_WIDE_WORD_CHAR): New macro.
(IS_WIDE_NEWLINE): New macro.
2002-11-06 Jakub Jelinek <jakub@redhat.com>
* posix/regcomp.c (re_compile_pattern): Don't set regs_allocated
here.
(regcomp): Don't set can_be_null here.
(re_comp): Clear whole re_comp_buf with the exception of fastmap.
(re_compile_internal): Clear can_be_null, set regs_allocated.
* posix/regcomp.c (re_set_fastmap): New function.
(re_compile_fastmap_iter): Use it. Remove redundant type ==
COMPLEX_BRACKET check.
* posix/regexec.c (re_search_internal): Optimize searching with
fastmap. Call re_string_reconstruct even if match_first is
smaller than raw_mbs_idx.
2002-11-06 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp (free_dfa_content): Use free_state.
* posix/regex_internal.c (re_string_realloc_buffers): Don't edit
pointers in case that realloc failed.
(re_node_set_merge): Likewise.
(register_state): Likewise.
(create_newstate_common): Invoke memory release functions in case of
error conditions.
(create_ci_newstate): Likewise.
(create_cd_newstate): Likewise.
(free_state): New function.
* posix/regexec.c (re_search_internal): Invoke memory release
functions in case of error conditions.
(sift_states_backward): Likewise.
(merge_state_array): Likewise.
(add_epsilon_src_nodes): Likewise.
(sub_epsilon_src_nodes): Likewise.
(search_subexp): Likewise.
(sift_states_bkref): Likewise.
(transit_state_sb): Likewise.
(transit_state_mb): Likewise.
(transit_state_bkref_loop): Likewise.
(group_nodes_into_DFAstates): Likewise.
(push_fail_stack): Don't edit pointers in case that realloc failed.
(extend_buffers): Likewise.
(match_ctx_add_entry): Likewise.
2002-10-11 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (re_compile_fastmap_iter): Remove the handling
OP_CONTEXT_NODE.
(regfree): Likewise.
(create_initial_state): Likewise.
(analyze): Remove the substitutions which became useless.
(calc_first): Likewise.
(calc_epsdest): Use edests of OP_BACK_REF in case that it has
epsilon destination.
(duplicate_node_closure): New function.
(duplicate_node): Remove the handling OP_CONTEXT_NODE.
(calc_inveclosure): Likewise.
(calc_eclosure): Likewise.
(calc_eclosure_iter): Invoke duplicate_node_closure instead of
direct invocation of duplicate_node.
(parse): Don't use comma operator in the return to avoid compiler
warning.
(parse_reg_exp): Likewise.
(parse_branch): Likewise.
(parse_expression): Likewise.
(parse_sub_exp): Likewise.
(parse_dup_op): Likewise.
* posix/regex_internal.c (re_dfa_add_node): Remove the substitutions
which became useless.
(create_ci_newstate): Remove the handling OP_CONTEXT_NODE.
(create_cd_newstate): Likewise.
* posix/regex_internal.h (re_token_type_t): Remove the obsolete type.
(re_token_t): Likewise.
(re_dfa_t): Likewise.
(re_node_set_remove): New macro.
* posix/regexec.c (check_matching): Remove the handling
OP_CONTEXT_NODE.
(check_halt_node_context): Likewise.
(proceed_next_node): Likewise.
(pop_fail_stack): Fix the memory leak.
(set_regs): Likewise.
(free_fail_stack_return): New function.
(sift_states_backward): Fix the memory leak. Remove the handling
OP_CONTEXT_NODE.
(update_cur_sifted_state): Append some if clause to avoid redundant
call.
(sub_epsilon_src_nodes): Use IS_EPSILON_NODE since it might be a
back reference.
(check_dst_limits): Remove the handling OP_CONTEXT_NODE.
(check_subexp_limits): Likewise.
(search_subexp): Likewise.
(sift_states_bkref): Likewise.
(transit_state_mb): Likewise.
(transit_state_bkref_loop): Likewise.
(transit_state_bkref_loop): Likewise.
(group_nodes_into_DFAstates): Likewise.
(check_node_accept): Likewise.
(sift_ctx_init): Add initializing.
2002-10-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/sysdep.h (INLINE_SYSCALL): Use
__builtin_expect.
2002-09-10 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regexec.c (build_trtable): Fix the destination of
newline to prevent wrong states from overwriting.
Append break statements to optimization.
2002-09-10 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c: Wrap #include wchar.h and wctype.h in #if.
(build_range_exp): Add castings to strlen invocations.
(build_collating_symbol): Restore the type of characters from "char"
to "unsigned char", and supplement castings.
(build_collating_symbol): Likewise.
(build_equiv_class): Likewise.
(build_charclass): Likewise.
(seek_collating_symbol_entry): Likewise.
(parse_bracket_exp): Likewise.
(build_word_op): Supplement a casting.
* posix/regex_internal.c: Wrap #include wchar.h and wctype.h in #if.
(re_string_allocate): Fix castings.
(re_string_construct): Likewise.
(re_string_construct_common): Likewise.
(re_string_realloc_buffers): Likewise.
(build_wcs_buffer): Likewise.
(build_wcs_upper_buffer): Likewise.
(re_string_skip_chars): Likewise.
(re_string_reconstruct): Likewise.
* posix/regex_internal.h: Restore the type of characters in
re_string_t and bracket_elem_t from "char" to "unsigned char".
(re_string_elem_size_at): Fix castings.
* posix/regexec.c: Wrap #include wchar.h and wctype.h in #if.
(transit_state_bkref_loop): Restore the type of characters from
"char" to "unsigned char", and append a cast to "char*" pointer in
array subscript.
(check_node_accept_bytes): Likewise.
(find_collation_sequence_value): Likewise.
2002-07-29 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/__longjmp.S: Moved to...
* sysdeps/powerpc/powerpc32/__longjmp.S: ...here.
* sysdeps/powerpc/add_n.S: Moved to...
* sysdeps/powerpc/powerpc32/add_n.S: ...here.
* sysdeps/powerpc/addmul_1.S: Moved to...
* sysdeps/powerpc/powerpc32/addmul_1.S: ...here.
* sysdeps/powerpc/atomicity.h: Moved to...
* sysdeps/powerpc/powerpc32/atomicity.h: ...here.
* sysdeps/powerpc/backtrace.c: Moved to...
* sysdeps/powerpc/powerpc32/backtrace.c: ...here.
* sysdeps/powerpc/bp-asm.h: Moved to...
* sysdeps/powerpc/powerpc32/bp-asm.h: ...here.
* sysdeps/powerpc/bsd-_setjmp.S: Moved to...
* sysdeps/powerpc/powerpc32/bsd-_setjmp.S: ...here.
* sysdeps/powerpc/bsd-setjmp.S: Moved to...
* sysdeps/powerpc/powerpc32/bsd-setjmp.S: ...here.
* sysdeps/powerpc/dl-machine.c: Moved to...
* sysdeps/powerpc/powerpc32/dl-machine.c: ...here.
* sysdeps/powerpc/dl-machine.h: Moved to...
* sysdeps/powerpc/powerpc32/dl-machine.h: ...here.
* sysdeps/powerpc/dl-start.S: Moved to...
* sysdeps/powerpc/powerpc32/dl-start.S: ...here.
* sysdeps/powerpc/gprrest0.S: Moved to...
* sysdeps/powerpc/powerpc32/gprrest0.S: ...here.
* sysdeps/powerpc/gprrest1.S: Moved to...
* sysdeps/powerpc/powerpc32/gprrest1.S: ...here.
* sysdeps/powerpc/gprsave0.S: Moved to...
* sysdeps/powerpc/powerpc32/gprsave0.S: ...here.
* sysdeps/powerpc/gprsave1.S: Moved to...
* sysdeps/powerpc/powerpc32/gprsave1.S: ...here.
* sysdeps/powerpc/lshift.S: Moved to...
* sysdeps/powerpc/powerpc32/lshift.S: ...here.
* sysdeps/powerpc/memset.S: Moved to...
* sysdeps/powerpc/powerpc32/memset.S: ...here.
* sysdeps/powerpc/mul_1.S: Moved to...
* sysdeps/powerpc/powerpc32/mul_1.S: ...here.
* sysdeps/powerpc/ppc-mcount.S: Moved to...
* sysdeps/powerpc/powerpc32/ppc-mcount.S: ...here.
* sysdeps/powerpc/register-dump.h: Moved to...
* sysdeps/powerpc/powerpc32/register-dump.h: ...here.
* sysdeps/powerpc/rshift.S: Moved to...
* sysdeps/powerpc/powerpc32/rshift.S: ...here.
* sysdeps/powerpc/setjmp.S: Moved to...
* sysdeps/powerpc/powerpc32/setjmp.S: ...here.
* sysdeps/powerpc/stpcpy.S: Moved to...
* sysdeps/powerpc/powerpc32/stpcpy.S: ...here.
* sysdeps/powerpc/strchr.S: Moved to...
* sysdeps/powerpc/powerpc32/strchr.S: ...here.
* sysdeps/powerpc/strcmp.S: Moved to...
* sysdeps/powerpc/powerpc32/strcmp.S: ...here.
* sysdeps/powerpc/strcpy.S: Moved to...
* sysdeps/powerpc/powerpc32/strcpy.S: ...here.
* sysdeps/powerpc/strlen.S: Moved to...
* sysdeps/powerpc/powerpc32/strlen.S: ...here.
* sysdeps/powerpc/sub_n.S: Moved to...
* sysdeps/powerpc/powerpc32/sub_n.S: ...here.
* sysdeps/powerpc/submul_1.S: Moved to...
* sysdeps/powerpc/powerpc32/submul_1.S: ...here.
* sysdeps/powerpc/elf/bzero.S: Moved to...
* sysdeps/powerpc/powerpc32/elf/bzero.S: ...here.
* sysdeps/powerpc/elf/start.S: Moved to...
* sysdeps/powerpc/powerpc32/elf/start.S: ...here.
* sysdeps/powerpc/fpu/__longjmp.S: Moved to...
* sysdeps/powerpc/powerpc32/fpu/__longjmp.S: ...here.
* sysdeps/powerpc/fpu/fprrest.S: Moved to...
* sysdeps/powerpc/powerpc32/fpu/fprrest.S: ...here.
* sysdeps/powerpc/fpu/fprsave.S: Moved to...
* sysdeps/powerpc/powerpc32/fpu/fprsave.S: ...here.
* sysdeps/powerpc/fpu/setjmp.S: Moved to...
* sysdeps/powerpc/powerpc32/fpu/setjmp.S: ...here.
* sysdeps/powerpc/fpu/s_copysign.S: Moved to...
* sysdeps/powerpc/powerpc32/fpu/s_copysign.S: ...here.
* sysdeps/powerpc/fpu/s_copysignf.S: Moved to...
* sysdeps/powerpc/powerpc32/fpu/s_copysignf.S: ...here.
* sysdeps/unix/sysv/linux/powerpc/brk.S: Moved to...
* sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S: ...here.
* sysdeps/unix/sysv/linux/powerpc/clone.S: Moved to...
* sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S: ...here.
* sysdeps/unix/sysv/linux/powerpc/glob64.c: Moved to...
* sysdeps/unix/sysv/linux/powerpc/powerpc32/glob64.c: ...here.
* sysdeps/unix/sysv/linux/powerpc/kernel_stat.h: Moved to...
* sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h: ...here.
* sysdeps/unix/sysv/linux/powerpc/socket.S: Moved to...
* sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S: ...here.
* sysdeps/unix/sysv/linux/powerpc/sysdep.h: Moved to...
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: ...here.
* sysdeps/unix/sysv/linux/powerpc/syscalls.list: Moved to...
* sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list: ...here.
Support PowerPC64. Separate powerpc into powerpc/powerpc32 and
powerpc/powerpc64.
2002-07-29 Steven Munroe <sjmunroe@us.ibm.com>
* FAQ.in: Add powerpc64 to supported targets list. Also state the
minimum gcc version is 3.2
* README: Add powerpc64 to supported targets list.
* configure.in: Change machine=powerpc to machine=powerpc/powerpc32.
Add powerpc64 and machine=powerpc/powerpc64.
(HAVE_ASM_GLOBAL_DOT_NAME): Define if linux*powerpc/powerpc64*.
* shlib-versions: Set DEFAULT version to 2.2.5 for powerpc64.
* sysdeps/powerpc/Dist: Remove dl-machine.c, dl-start.S, ppc-mcount.S,
gprsave1.S, gprsave0.S, gprrest1.S, and gprrest0.S.
* sysdeps/powerpc/powerpc32/Dist: New file.
* sysdeps/powerpc/Implies: Remove wordsize-32 and powerpc/soft-fp.
* sysdeps/powerpc/powerpc32/Implies: New file.
* sysdeps/powerpc/Makefile(cflags): Remove powerpc32 specific cflags.
($(with-fp) = no): Move test to powerpc32/Makefile.
($(subdir) = misc): Move to powerpc32/Makefile.
($(build-shared) = yes): Move to powerpc32/Makefile.
($(subdir) = csu): Move to powerpc32/Makefile.
(sysdep-rtld-routines): Remove dl-start. Moved these bits to ...
* sysdeps/powerpc/powerpc32/Makefile: New file.
* sysdeps/powerpc/Versions: Remove libgcc functions.
* sysdeps/powerpc/powerpc32/Versions: New file.
* sysdeps/powerpc/fpu/Makefile: Remove fprsave and fprrest.
* sysdeps/powerpc/powerpc32/fpu/Makefile: New file.
* sysdeps/unix/sysv/linux/configure.in (powerpc*):
Set arch_minimum_kernel=2.4.19 for powerpc/powerpc64. Also set
libc_cv_gcc_unwind_find_fde=yes only if !powerpc/powerpc64.
($machine): Add powerpc/powerpc64 to if ... | for
libc_cv_slibdir=/libc64.
(powerpc*): Set ldd_rewrite_script.
* sysdeps/unix/sysv/linux/powerpc/ldd-rewrite.sed: New file.
* sysdeps/unix/sysv/linux/powerpc/Dist: Remove clone.S.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist: New file.
Add clone.S.
* sysdeps/unix/sysv/linux/powerpc/Makefile: Remove oldgetrlimit64.
* sysdeps/unix/sysv/linux/powerpc/Versions: Remove GLIBC_2.0
functions. Remove GLIBC_2.2 functions except getrlimit and
setrlimit. Moved them to ...
* sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions: New file.
2002-09-04 Ulrich Drepper <drepper@redhat.com>
* libio/tst-atime.c: Include <errno.h>.
(do_test): Only perform fstatvfs check if ST_NOATIME is defined.
2002-09-03 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (regcomp): Append "__restrict" modifier to avoid
warnings of some compilers.
(build_collating_symbol): Change the type of characters from
"unsigned char" to "char", and append a cast to "char*" pointer in
array subscript.
(build_collating_symbol): Likewise.
(build_equiv_class): Likewise.
(build_charclass): Likewise.
(re_compile_pattern): Remove incorrect cast.
(re_compile_fastmap_iter): Change the type of characters from
"unsigned char" to "char", and append a cast to "char*" pointer
in array subscript.
(parse_bracket_exp): Likewise.
* posix/regex_internal.c (re_string_construct_common): Likewise.
(re_string_allocate): Likewise.
(re_string_construct): Likewise.
(re_string_realloc_buffers): Likewise.
(build_wcs_buffer): Likewise.
(re_string_reconstruct): Likewise.
* posix/regex_internal.h: Change the type of characters in
re_string_t and bracket_elem_t from "unsigned char" to "char".
* posix/regexec.c (regexec): Append "__restrict" modifier to avoid
warnings of some compilers.
(transit_state_bkref_loop): Change the type of characters from
"unsigned char" to "char", and append a cast to "char*" pointer in
array subscript.
(check_node_accept_bytes): Likewise.
(find_collation_sequence_value): Likewise.
2002-07-27 Ulrich Drepper <drepper@redhat.com>
* iconvdata/Makefile (CPPFLAGS): Add NOT_IN_libc.
* iconv/iconv_prog.c (main): Improve error message for the cases
where -t and/or -f parameter are missing.
2002-07-10 Stepan Kasal <kasal@math.cas.cz>
* posix/regexec.c (re_match): Reorganize to remove duplicate code.
(re_search): Likewise.
(re_match_2): Likewise.
(re_search_2): Likewise.
(re_search_stub): New function.
(re_search_2_stub): New function.
* regcomp.c (re_compile_pattern): Typo in a comment fixed.
2002-07-10 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regex_internal.h: Add new member STOP to struct re_string_t.
(re_string_eoi): Use STOP instead of LEN.
* posix/regex_internal.c (re_string_allocate): Initialize pstr->len.
(re_string_construct): Likewise.
(re_string_reconstruct): Adjust pstr->stop like pstr->len.
* posix/regexec.c (re_search_internal): Add a new argument STOP
so that it can handle the argument STOP of re_search_2 and re_match_2
correctly.
(regexec): Adapt to new I/F of re_search_internal.
(re_search_stub): Likewise.
2002-05-21 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regex.c: Define `inline' as a macro into nothing for the
compilers which lack the keyword.
* posix/regex.h: (RE_SYNTAX_GNU_AWK): Remove RE_CONTEXT_INVALID_OPS
for the compatibility of gawk.
* posix/regcomp.c: Add fake implementation of isblank() for the
environments which lack the function.
Don't use free_charset() in case of non-i18n envs.
(build_range_exp): Don't use i18n related code in case of non-i18n
envs.
(build_collating_symbol): Likewise.
(build_equiv_class): Likewise.
(build_charclass): Likewise.
(re_compile_fastmap_iter): Likewise.
(parse_bracket_exp): Likewise.
(build_word_op): Likewise.
(regfree): Don't use free_charset() in case of non-i18n envs.
* posix/regex_internal.h: Remove COMPLEX_BRACKET from
re_token_type_t in case of non-i18n envs.
Don't define re_charset_t in case of non-i18n envs.
Change the type of wcs of re_string_t from wchar_t to wint_t,
since we store also WEOF.
* posix/regex_internal.c: (re_string_realloc_buffers): Change
the type of wcs of re_string_t from wchar_t to wint_t.
(re_string_reconstruct): Likewise.
(create_ci_newstate): Don't use i18n related code in case of
non-i18n envs.
(create_cd_newstate): Likewise.
2002-05-24 Ulrich Drepper <drepper@redhat.com>
* iconv/loop.c: Fix typo.
2002-05-23 Jakub Jelinek <jakub@redhat.com>
* inet/ether_line.c (ether_line): Fix a typo causing only
lower 4 bits of each ethernet address byte being assigned.
Don't modify what line points to.
* inet/tst-ether_aton.c (main): Add ether_line tests.
2002-05-23 Marcus Brinkmann <marcus@gnu.org>
* manual/filesys.texi: Don't make readlink example leak memory
when readlink fails.
2002-04-26 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (re_compile_fastmap_iter): Fix fastmap in case of
not _LIBC and RE_ENABLE_I18N.
(build_range_exp): Implement for not _LIBC.
(build_collating_symbol): Likewise.
(parse_bracket_exp): Unify redundant error handlings.
Don't erase mbcset for non matching list in multibyte envs.
(build_word_op): Add '_' to matching list for \w operator.
* posix/regex_internal.c (re_string_construct): Invoke
build_upper_buffer in case of not RE_ENABLE_I18N.
(re_string_reconstruct): Don't touch cur_state in case of not
RE_ENABLE_I18N.
* posix/regex_internal.h (attribute_hidden): New macro in case of
not _LIBC.
(re_charset_t): Define range_starts/ends in case of not _LIBC.
* posix/regexec.c (sift_states_iter_mb): Hide in case of not
RE_ENABLE_I18N.
(transit_state_mb): Likewise.
(check_node_accept_bytes): Implement the code evaluating range
expression in case of not _LIBC.
(find_collation_sequence_value): Hide in case of not _LIBC.
2002-04-26 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c: Copied from
i386/semctl.c.
(__old_semctl, __new_semctl): Only use va_arg if the argument will
be used.
2002-04-22 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (re_compile_internal): Adapt it to new interface
of buffer building functions.
* posix/regex_internal.c (re_string_allocate): New function.
(re_string_realloc_buffers): New function.
(re_string_skip_chars): New function.
(re_string_reconstruct): New function.
(re_string_construct): Adapt it to new interface of buffer building
functions.
(re_string_construct_common): Likewise.
(build_wcs_buffer): Likewise.
(build_wcs_upper_buffer): Likewise.
(build_upper_buffer): Likewise.
(re_string_translate_buffer): Likewise.
(re_string_context_at): Adapt it to variable length buffers.
* posix/regex_internal.h (re_string_t): Add new fields to handle
variable length buffers.
(re_match_context_t): Likewise.
* posix/regexec.c (re_search_internal): Adapt it to new interface
of re_string_t and re_match_context_t.
(acquire_init_state_context): Likewise.
(check_matching): Likewise.
(check_halt_state_context): Likewise.
(proceed_next_node): Likewise.
(set_regs): Likewise.
(sift_states_backward): Likewise.
(clean_state_log_if_need): Likewise.
(sift_states_iter_mb): Likewise.
(sift_states_iter_bkref): Likewise.
(add_epsilon_backreference): Likewise.
(transit_state): Likewise.
(transit_state_sb): Likewise.
(transit_state_mb): Likewise.
(transit_state_bkref): Likewise.
(transit_state_bkref_loop): Likewise.
(check_node_accept): Likewise.
(match_ctx_init): Likewise.
(extend_buffers): New function.
2002-04-21 Bruno Haible <bruno@clisp.org>
* iconvdata/tst-table.sh: For the second check, use the truncated
GB18030 charmap table, like for the first check.
2002-04-08 Ulrich Drepper <drepper@redhat.com>
* Makeconfig (CPPFLAGS): Also add CPPFLAGS-<basename> where <basename>
is the name of the source file without extension.
* Makefile (distribute): Add cppflags-iterator.mk.
* cppflags-iterator.mk: New file.
* extra-lib.mk: For the sources of the library run
cppflags-iterator.mk.
* include/libintl.h: Declare __dcgettext_internal and
_libc_intl_domainname_internal. Define __dcgettext using these
two symbols if used in libc itself.
* argp/argp-help.c: Define dgettext using __dcgettext_internal and
_libc_intl_domainname_internal.
* argp/argp-parse.c: Likewise.
* intl/dcgettext.c (__dcgettext): Use INTDEF to define alias.
* intl/dgettext.c: Call __dcgettext_internal instead of __dcgettext.
* intl/gettext.c: Likewise.
* locale/SYS_libc.c (_libc_intl_domainname): Use INTDEF to define
alias.
* posix/regcomp.c (gettext): Use __dcgettext_internal instead of
__dcgettext.
* posix/regex_internal.c (gettext): Likewise.
