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* * hash.c (rb_hash_s_create): set nil as the value if assoc lengthnobu2009-01-111-3/+9
| | | | | | | is not enough. [ruby-core:21249] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21424 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * io.c (rb_io_extract_encoding_option): "internal_encoding: nil"matz2008-12-191-2/+8
| | | | | | | | | | to specify no-transcoding. and other corner case fixed. [ruby-dev:37496] * hash.c (rb_hash_lookup2): new function to look-up hash with default value. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20870 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_hash_aset): string key copying only happen if key ismatz2008-12-181-1/+1
| | | | | | | | an exact instance of String, not a subclass. based on a patch from Mike Gold <mike.gold.4433 at gmail.com> in [ruby-talk:322667]. [incompatible] [ruby-talk:322417] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20860 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * ext/stringio/stringio.c (strio_write): should convert writingmatz2008-10-211-1/+1
| | | | | | | | | | | string to the encoding of the buffer. * hash.c (rb_any_hash): typo fixed. * ext/zlib/zlib.c (rb_gzwriter_write): oops, IO string conversion need to be done by to_s. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19874 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * io.c (open_key_args): should adjust argc, argv in structmatz2008-10-211-1/+1
| | | | | | foreach_arg. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * dln.c: Ruby no longer supports MacOS 9 or before.yugui2008-10-041-5/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * eval.c: ditto. * eval_intern.h: ditto. * ext/extmk.rb: ditto. * ext/tk/sample/tkextlib/treectrl/demo.rb: ditto. * ext/tk/stubs.c: ditto. * file.c: ditto. * hash.c: ditto. * include/ruby/defines.h: ditto. * ruby.c: ditto. * signal.c: ditto. * vm_core.h: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19680 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * dln.c: Ruby no longer supports MS-DOS.yugui2008-10-041-11/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * ext/sdbm/_sdbm.c: ditto. * ext/sdbm/sdbm.h: ditto. * gc.c: ditto. * hash.c: ditto. * include/ruby/defines.h: ditto. * include/ruby/util.h: ditto. * io.c: ditto. * process.c: ditto. * ruby.c: ditto. * strftime.c: ditto. * util.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19679 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * sprintf.c (rb_str_format): add %<name>s style named argumentmatz2008-09-301-2/+8
| | | | | | | | | | | | | | | support. a patch from Yusuke Endoh <mame at tsg.ne.jp> in [ruby-dev:35851]. * sprintf.c (rb_str_format): add gettext style named format (%{name}) support. inspired by [ruby-dev:35852]. * sprintf.c (GETNAMEARG): should raise KeyError exception when no named argument found. * hash.c (rb_hash_fetch): export fetch function. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19641 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_obj_is_proc): declaration moved for rdoc.akr2008-09-231-2/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19481 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (ENVMATCH, ENVNMATCH): reduced same code.nobu2008-09-231-29/+12
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19474 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * common.mk, hash.c: remove unused inclusion.ko12008-09-231-1/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19468 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (env_aset): allow nil value to remove an entry.matz2008-09-221-1/+2
| | | | | | [ruby-dev:36465] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19463 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * complex.c (nucomp_eql_p): new.tadf2008-09-151-4/+0
| | | | | | | | | | * complex.c (nucomp_hash): should use hash values of the elements. * rational.c (nurat_hash): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19355 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * include/ruby/signal.h: removed.ko12008-09-031-8/+1
| | | | | | | | | | | | | | | * common.mk, class.c, eval.c, eval_intern.h, file.c, gc.c, hash.c, io.c, process.c, signal.c: vm_core.h: ditto. Some unused external global variables are also removed. (rb_prohibit_interrupt, rb_trap_immediate, rb_trap_pending, rb_thread_critical) * ext/openssl/ossl_ssl.c, ext/openssl/ossl_x509store.c, ext/readline/readline.c, ext/socket/depend, ext/socket/socket.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19080 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * include/ruby/ruby.h (rb_intern_const): tiny optimization.nobu2008-08-161-0/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18653 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (set_default): fix rdoc. #441matz2008-08-141-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18611 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_hash_set_default_proc): add new method. a patch frommatz2008-08-131-0/+33
| | | | | | Giuseppe Bilotta. #419 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18577 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * object.c (rb_obj_untrusted): new method Object#untrusted?.shugo2008-08-131-2/+2
| | | | | | | | | | | | | | | (rb_obj_untrust): new method Object#untrust. (rb_obj_trust): new method Object#trust. * array.c, debug.c, time.c, include/ruby/ruby.h, re.c, variable.c, string.c, io.c, dir.c, vm_method.c, struct.c, class.c, hash.c, ruby.c, marshal.c: fixes for Object#untrusted?. * test/ruby/test_module.rb, test/ruby/test_array.rb, test/ruby/test_object.rb, test/ruby/test_string.rb, test/ruby/test_marshal.rb, test/ruby/test_hash.rb: added tests for Object#untrusted?. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18568 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * include/ruby/ruby.h (CONST_ID): constant ID cache for non-gcc.nobu2008-06-091-0/+2
| | | | | | | * *.c: no cache in init functions. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17053 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * array.c, bignum.c, cont.c, dir.c, dln.c, encoding.c, enumerator.c,ko12008-06-081-1/+1
| | | | | | | | | | | | | | | | | | | enumerator.c (enumerator_allocate), eval_jump.c, file.c, hash.c, io.c, load.c, pack.c, proc.c, random.c, re.c, ruby.c, st.c, string.c, thread.c, thread_pthread.c, time.c, util.c, variable.c, vm.c, gc.c: allocated memory objects by xmalloc (ruby_xmalloc) should be freed by xfree (ruby_xfree). * ext/curses/curses.c, ext/dbm/dbm.c, ext/digest/digest.c, ext/gdbm/gdbm.c, ext/json/ext/parser/parser.c, ext/json/ext/parser/unicode.c, ext/openssl/ossl_cipher.c, ext/openssl/ossl_hmac.c, ext/openssl/ossl_pkey_ec.c, ext/sdbm/init.c, ext/strscan/strscan.c, ext/zlib/zlib.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17017 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (hash_i): make Hash#hash order insensitive.akr2008-06-071-5/+6
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16880 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (env_each_key, env_each_value, env_reject_bang)knu2008-05-251-10/+5
| | | | | | | (rb_env_clear, env_replace): Omit duplicated secure level check. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16591 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (env_each_value): Do not call env_values() twice.knu2008-05-251-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16590 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_hash_s_create): should access converted hash value.matz2008-05-011-2/+2
| | | | | | [ruby-dev:34555] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16253 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (env_delete_if): return enumerator if no block given.nobu2008-05-011-0/+1
| | | | | | | [ruby-dev:34554] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16250 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * include/ruby/intern.h (rb_hash_dup): declared.akr2008-04-261-0/+13
| | | | | | | | | | * hash.c (rb_hash_dup): new function. * process.c (rb_spawn_internal): don't modify option hash. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16210 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * include/ruby/intern.h (rb_env_clear): declared.akr2008-04-241-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (rb_io_mode_modenum): declared. (rb_close_before_exec): declared. (struct rb_exec_arg): add options and redirect_fds field. (rb_check_argv): removed. (rb_exec_initarg): declared. (rb_exec_getargs): declared. (rb_exec_initarg2): declared. (rb_fork): add third argument: fds. * io.c (max_file_descriptor): new static variable to record maximum file descriptor ruby used. (UPDATE_MAXFD): new macro. (UPDATE_MAXFD_PIPE): new macro. (rb_io_mode_modenum): externed. (rb_sysopen): update max_file_descriptor. (rb_close_before_exec): new function. (popen_exec): redirection removed because it is done by extended spawn mechanism. (pipe_open): generate a hash for spawn options to specify redirections. (pipe_open_v): use rb_exec_getargs. (pipe_open_s): use rb_exec_getargs. (rb_io_initialize): update max_file_descriptor.. * process.c (hide_obj): new function. (check_exec_redirect_fd): new function. (check_exec_redirect): new function. (check_exec_options_i): new function. (check_exec_fds): new function. (rb_check_exec_options): new function. (check_exec_env_i): new function. (rb_check_exec_env): new function. (rb_exec_getargs): new function. (rb_exec_initarg2): new function. (rb_exec_initarg): new function. (rb_f_exec): use rb_exec_initarg. (intcmp): new function. (run_exec_dup2): new function. (run_exec_close): new function. (run_exec_open): new function. (run_exec_pgroup): new function. (run_exec_rlimit): new function. (run_exec_options): new function. (rb_exec): call run_exec_options. (move_fds_to_avoid_crash): new function. (pipe_nocrash): new function. (rb_fork): use pipe_nocrash to avoid file descriptor conflicts. (rb_spawn): use rb_exec_initarg. (rlimit_resource_name2int): extracted from rlimit_resource_type. (rlimit_type_by_hname): new function. (rlimit_type_by_lname): new function. (rlimit_resource_type): use rlimit_type_by_hname. (proc_daemon): add fds argument for rb_fork. * hash.c (rb_env_clear): renamed from env_clear and externed. [ruby-dev:34086] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16183 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_hash_delete_if, rb_hash_reject_bang, env_delete_if,knu2008-04-141-3/+7
| | | | | | | env_reject_bang): Return an enumerator if no block is given. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16006 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* fix doc.akr2008-03-091-5/+8
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15734 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (hash_equal): two hash tables are different when internalmatz2008-03-041-0/+2
| | | | | | comparison table differ. [ruby-dev:33989] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15688 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_hash_aset): should not copy key string whenmatz2008-03-041-6/+7
| | | | | | compare_by_identity is set. [ruby-dev:33604] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15687 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_any_hash): shrinks all results in Fixnum range.nobu2008-03-031-3/+6
| | | | | | | [ruby-core:15713] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15672 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * string.c (str_new): remove encoding assumption of empty string.naruse2008-02-281-3/+3
| | | | | | | | | * hash.c ( rb_f_getenv, env_fetch, env_inspect): result of ENV should be always ASCII-8BIT. * object.c (nil_to_s): nil.to_s should be US-ASCII. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15635 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * string.c (rb_str_hash_cmp): lighter version of rb_str_cmp() formatz2008-02-121-1/+1
| | | | | | | | | | | hash comparison function. * hash.c (rb_any_cmp): use rb_str_hash_cmp(). * string.c (rb_str_casecmp): should return nil for incompatible comparison. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15441 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* typo fixedmatz2008-02-051-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15384 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_hash_flatten): do not flatten recursively by default.matz2008-02-051-0/+5
| | | | | | [ruby-dev:33603] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15383 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (env_rassoc): remove access to free'd environment on mswin32.mame2008-02-051-1/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15379 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * string.c (rb_str_usascii_new{,2}: defined.naruse2008-01-251-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | (rb_str_new): set US-ASCII and ENC_CODERANGE_7BIT when empty string. * encoding.c (rb_usascii_encoding, rb_usascii_encindex): defined. (rb_enc_inspect, enc_name, rb_locale_charmap, rb_enc_name_list_i): use rb_str_ascii_new. * array.c (recursive_join, inspect_ary): ditto. * object.c (nil_to_s, nil_inspect, true_to_s, false_to_s, rb_mod_to_s): ditto. * hash.c (inspect_hash, rb_hash_inspect, rb_f_getenv, env_fetch, env_clear, env_to_s, env_inspect): ditto. * numeric.c (flo_to_s, int_chr, rb_fix2str): ditto. * bignum.c (rb_big2str): ditto. * file.c (rb_file_ftype, rb_file_s_dirname, rb_file_s_extname, file_inspect_join, Init_file): ditto. * test/ruby/test_ruby_m17n.rb: add checks for encoding of string. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * $Date$ keyword removed to avoid inclusion of locale dependentakr2008-01-061-1/+0
| | | | | | | string. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14912 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * include/ruby/encoding.h (rb_isascii): defined.akr2008-01-011-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (rb_isalnum): ditto. (rb_isalpha): ditto. (rb_isblank): ditto. (rb_iscntrl): ditto. (rb_isdigit): ditto. (rb_isgraph): ditto. (rb_islower): ditto. (rb_isprint): ditto. (rb_ispunct): ditto. (rb_isspace): ditto. (rb_isupper): ditto. (rb_isxdigit): ditto. (rb_tolower): ditto. (rb_toupper): ditto. * include/ruby/st.h (st_strcasecmp): declared. (st_strncasecmp): ditto. * st.c (type_strcasehash): use st_strcasecmp instead of strcasecmp. (st_strcasecmp): defined. (st_strncasecmp): ditto. * include/ruby/ruby.h: include include/ruby/encoding.h. (ISASCII): use rb_isascii. (ISPRINT): use rb_isprint. (ISSPACE): use rb_isspace. (ISUPPER): use rb_isupper. (ISLOWER): use rb_islower. (ISALNUM): use rb_isalnum. (ISALPHA): use rb_isalpha. (ISDIGIT): use rb_isdigit. (ISXDIGIT): use rb_isxdigit. (TOUPPER): defined. (TOLOWER): ditto. (STRCASECMP): ditto. (STRNCASECMP): ditto. * dir.c, encoding.c, file.c, hash.c, process.c, ruby.c, time.c, transcode.c, ext/readline/readline.c: use locale insensitive functions. [ruby-core:14662] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14829 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* fix typos.akr2007-12-311-2/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14811 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_hash_eql): recursive comparison should be based onmatz2007-11-301-1/+1
| | | | | | eql? [ruby-core:13803] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_hash_each_pair): make Hash#each to be alias tomatz2007-11-031-60/+10
| | | | | | | | Hash#each_pair for compatibility and clarity. * hash.c (env_each_pair): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13809 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (rb_hash_s_create): check and convert argument hashmatz2007-10-251-8/+26
| | | | | | | | | using #to_hash. * hash.c (rb_hash_s_create): Hash#[] now takes assocs as source of hash conversion. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13776 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * array.c (rb_ary_equal): should handle recursive array.matz2007-09-241-19/+14
| | | | | | * hash.c (hash_equal): should handle recursive hash. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13509 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (hash_i): avoid too frequent hash conflict where key andmatz2007-09-241-0/+1
| | | | | | | value are same. a patch from Yusuke ENDOH <mame AT tsg.ne.jp>. [ruby-dev:31802] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13508 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (hash_equal): should call rb_eql when argument eql is set.matz2007-09-201-1/+4
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13474 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * hash.c (hash_alloc0, hash_alloc): unified because hash_alloc doesn'takr2007-08-301-12/+2
| | | | | | | allocate st_table now. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13313 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * include/ruby/intern.h: declare rb_hash_tbl.akr2007-08-291-36/+72
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * include/ruby/ruby.h (RHash): delay st_table allocation. rename tbl field to ntbl to detect direct reference to the st_table as a compile error. (RHASH_TBL): abstract accessor defined. (RHASH_ITER_LEV): ditto. (RHASH_IFNONE): ditto. (RHASH_SIZE): ditto. (RHASH_EMPTY_P): ditto. * hash.c: delay st_table allocation. * gc.c: replace tbl by ntbl. * array.c: replace direct field accessor by abstract field accessor such as RHASH(hash)->tbl to RHASH_TBL(hash). * marshal.c: ditto. * insns.def: ditto. * ext/iconv/iconv.c: ditto. * ext/json/ext/generator/generator.c: ditto. * ext/json/ext/parser/parser.c: ditto. * ext/syck/rubyext.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13309 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * encoding.c: provide basic features for M17N.matz2007-08-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * parse.y: encoding aware parsing. * parse.y (pragma_encoding): encoding specification pragma. * parse.y (rb_intern3): encoding specified symbols. * string.c (rb_str_length): length based on characters. for older behavior, bytesize method added. * string.c (rb_str_index_m): index based on characters. rindex as well. * string.c (succ_char): encoding aware succeeding string. * string.c (rb_str_reverse): reverse based on characters. * string.c (rb_str_inspect): encoding aware string description. * string.c (rb_str_upcase_bang): encoding aware case conversion. downcase, capitalize, swapcase as well. * string.c (rb_str_tr_bang): tr based on characters. delete, squeeze, tr_s, count as well. * string.c (rb_str_split_m): split based on characters. * string.c (rb_str_each_line): encoding aware each_line. * string.c (rb_str_each_char): added. iteration based on characters. * string.c (rb_str_strip_bang): encoding aware whitespace stripping. lstrip, rstrip as well. * string.c (rb_str_justify): encoding aware justifying (ljust, rjust, center). * string.c (str_encoding): get encoding attribute from a string. * re.c (rb_reg_initialize): encoding aware regular expression * sprintf.c (rb_str_format): formatting (i.e. length count) based on characters. * io.c (rb_io_getc): getc to return one-character string. for older behavior, getbyte method added. * ext/stringio/stringio.c (strio_getc): ditto. * io.c (rb_io_ungetc): allow pushing arbitrary string at the current reading point. * ext/stringio/stringio.c (strio_ungetc): ditto. * ext/strscan/strscan.c: encoding support. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13261 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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