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2017-02-04fix description for current implementationnaruse
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57534 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-02-03internal.h: fix r57507nobu
* internal.h (rb_overflowed_fix_to_int): invert sign bit. should not set LSB of fixnum value, which is always set, to MSB. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57509 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-02-02Use carry flag to reduce instructionsnaruse
NOTE: (1) Fixnum's LSB is always 1. It means you can always run `x - 1` without overflow. (2) Of course `z = x + (y-1)` may overflow. Now z's LSB is always 1, and the MSB of true result is also 1. You can get true result in long as `(1<<63)|(z>>1)`, and it equals to `(z<<63)|(z>>1)` == `ror(z)`. GCC and Clang have __builtin_add_ovewflow: * https://gcc.gnu.org/onlinedocs/gcc/Integer-Overflow-Builtins.html * https://clang.llvm.org/docs/LanguageExtensions.html#checked-arithmetic-builtins git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57506 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-30io.c: recycle garbage on writenormal
* string.c (STR_IS_SHARED_M): new flag to mark shared mulitple times (STR_SET_SHARED): set STR_IS_SHARED_M (rb_str_tmp_frozen_acquire, rb_str_tmp_frozen_release): new functions (str_new_frozen): set/unset STR_IS_SHARED_M as appropriate * internal.h: declare new functions * io.c (fwrite_arg, fwrite_do, fwrite_end): new (io_fwrite): use new functions Introduce rb_str_tmp_frozen_acquire and rb_str_tmp_frozen_release to manage a hidden, frozen string. Reuse one bit of the embed length for shared strings as STR_IS_SHARED_M to indicate a string has been shared multiple times. In the common case, the string is only shared once so the object slot can be reclaimed immediately. minimum results in each 3 measurements. (time and size) Execution time (sec) name trunk built io_copy_stream_write 0.682 0.254 io_copy_stream_write_socket 1.225 0.751 Speedup ratio: compare with the result of `trunk' (greater is better) name built io_copy_stream_write 2.680 io_copy_stream_write_socket 1.630 Memory usage (last size) (B) name trunk built io_copy_stream_write 95436800.000 6512640.000 io_copy_stream_write_socket 117628928.000 7127040.000 Memory consuming ratio (size) with the result of `trunk' (greater is better) name built io_copy_stream_write 14.654 io_copy_stream_write_socket 16.505 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57469 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-30fix up r57461nobu
* internal.h: Microsoft Visual C++ has never supported C99 yet, even in 2017. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57462 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-30#include <stdbool.h>shyouhei
17+ years passed since standardized in ISO, 8 years since we added AC_HEADER_STDBOOL to configure.in. I'm quite confident that it's already safe to use <stdbool.h>. I understand that when we introduced AC_HEADER_STDBOOL, <stdbool.h> was remain not included because C standard and SVR4 curses conflicted miserably back then (#1). Though I believe such situation has been fixed already(#2), I'm afraid of your operating system might ship a proprietary curses that still conflicts with the standard. So to avoid potential problem, we limit the inclusion to our internal use only. #1 : 1997 version of SUSv2 said bool is "defined though typedef" in <curses.h>, while C99 said bool is a macro, plus in C++ bool is a keyword. AFASIK the curses library has never been a part of POSIX. #2 : In reality ncurses and NetBSD curses both just follow C99 to include <stdbool.h> from <curses.h>. I think C99 is now widely adopted. ---- * internal.h: #include <stdbool.h> if present. That is believed to be the case for 99.9% systems that lives today. Non-C99, non-C++ situations are intentionally left undefined, advised by Motohiro Kosaki. If you have such compiler, please fill the definition appropriately. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57460 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-24eval.c: copy special exceptionnobu
* eval.c (setup_exception): make unfrozen copy of special exception before setting up a cause. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57415 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-16file.c: refine messagenobu
* file.c (rb_get_path_check_convert): refine the error message when the path name contains null byte. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57336 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-07fix optimization for hash aset/aref with fstringeregon
Patch by Eric Wong [ruby-core:78797]. I don't like the idea of making insns.def any bigger to support a corner case, and "test_hash_aref_fstring_identity" shows how contrived this is. [ruby-core:78783] [Bug #12855] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57278 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-12-28numeric.c: reduce fdivnobu
* numeric.c (rb_int_fdiv_double): reduce first for more precise result. [ruby-core:78886] [Bug #13078] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57227 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-12-22get rid of implicit signedness conversionsnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57152 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-12-12String#match? and Symbol#match?nobu
* string.c (rb_str_match_m_p): inverse of Regexp#match?. based on the patch by Herwin Weststrate <herwin@snt.utwente.nl>. [Fix GH-1483] [Feature #12898] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57053 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-12-10internal.h: change the default rounding mode to half-upmrkn
* internal.h (ROUND_DEFAULT): changed to RUBY_NUM_ROUND_HALF_UP. [Bug #12958] [ruby-core:78204] * test/ruby/test_integer.rb: fix assertions for the above change. * test/ruby/test_rational.rb: ditto. * test/test_mathn.rb: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57038 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-25round-downnobu
* numeric.c (round_half_down, int_round_half_down): support round-down mode. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-22complex.c: optimize f_gt_p some casesmrkn
* complex.c (f_gt_p): optimize f_gt_p for specific types of arguments. * internal.h (rb_int_gt, rb_float_gt, rb_rational_cmp): exported. * numeric.c (rb_float_gt): rename from flo_gt and be exported. * numeric.c (rb_int_gt): rename from int_gt and be exported. * rational.c (rb_rational_cmp): rename from nurat_cmp and be exported. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56872 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-18complex.c: optimize f_negatemrkn
* complex.c (f_negate): optimize for special numeric types. * complex.c (nucomp_expt): use rb_int_uminus instead of f_negate for fixnum value. * internal.h (rb_float_uminus, rb_rational_uminus): exported. * numeric.c (rb_float_uminus): rename from flo_uminus. * rational.c (rb_rational_uminus): rename from nurat_negate, and add assertion for the parameter. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56830 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-18internal.h: round macrosnobu
* internal.h (ROUND_FUNC, ROUND_CALL): macros wrapping round functions. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56824 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-16complex.c: optimize Numeric#polar and Numeric#argmrkn
* complex.c (numeric_polar): optimize for Integer, Float, and Rational. * complex.c (numeric_arg): directly create the value of pi. * complex.c (f_negative_p): optimize for Integer, Float, and Rational. * rational.c (INT_NEGATIVE_P): move the definition into internal.h. * internal.h (INT_NEGATIVE_P): ditto. * numeric.c (rb_float_abs): rename from flo_abs and export to be used from other source files.. * internal.h (rb_float_abs): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56809 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-12rational.c: optimize Integer#lcmmrkn
* rational.c (f_div, f_mul, f_abs): optimize Integer#lcm Author: Tadashi Saito <tad.a.digger@gmail.com> * numeric.c (rb_int_abs): rename from int_abs to be exported. * internal.h (rb_int_div, rb_int_abs): exported. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-12rational.c: optimize Float#to_rmrkn
* rational.c (float_to_r): optimize Float#to_r. * numeric.c (rb_int_lshift): exported. * internal.h (rb_int_lshift): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56750 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-12rational.c: optimize Rational#{floor,ceil,round,truncate}mrkn
* rational.c (f_{expt10,round_common},nurat_{floor,ceil,round_half_{up,even}}): optimize Rational#{floor,ceil,round,truncate}. Author: Tadashi Saito <tad.a.digger@gmail.com> * numeric.c (rb_int_divmod): rename from int_divmod to be exported. * numeric.c (rb_int_and): rename from int_and to be exported. * intern.h (rb_int_{divmod,and}): exported. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56742 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-12rational.c: purge f_cmpmrkn
* rational.c (f_cmp, nurat_expt): purge f_cmp. Author: Tadashi Saito <tad.a.digger@gmail.com> * rational.c (INT_POSITIVE_P): added. * numeric.c (FIXNUM_POSITIVE_P): move the definition into internal.h. * internal.h (FIXNUM_POSITIVE_P): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56736 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-12rational.c: optimize Rational#==mrkn
* rational.c (nurat_eqeq_p): optimize Rational#==. Author: Tadashi Saito <tad.a.digger@gmail.com> * numeric.c (rb_int_equal): rename from int_equal and remove static to be exported. * internal.h (rb_int_equal): exported. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56734 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-12rational.c: optimize Rational#<=>mrkn
* rational.c (nurat_cmp): optimize Rational#<=>. Author: Tadashi Saito <tad.a.digger@gmail.com> * numeric.c (rb_int_cmp): rename from int_cmp and remove static to be exported. * internal.h (rb_int_cmp): exported. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56733 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-11rational.c: optimize Rational#**mrkn
* rational.c (nurat_expt): optimize Rational#**. Author: Tadashi Saito <tad.a.digger@gmail.com> * numeric.c (rb_float_pow): rename flo_pow() to rb_float_pow() and remove static to be exporetd. * internal.h (rb_int_pow, rb_float_pow): exported. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56725 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-11rational.c: avoid needless object allocation with nurat_to_doublemrkn
* rational.c (nurat_to_double): introduce to convert rational to double without object allocation. * rational.c (rb_rational_plus, nurat_{sub,mul,to_f}): rewrite by using nurat_to_double. * bignum.c (rb_big_fdiv_double): introduce to calculate fdiv and return the result as a double value. * bignum.c (big_fdiv{,_int,_float}): change the return types for implementing rb_big_fdiv_double. * bignum.c (rb_big_fdiv): rewrite by using rb_big_fdiv_double. * numeric.c (rb_int_fdiv_double): introduce to calculate fdiv and return the result as a double value. * numeric.c (fix_fdiv_double): rewrite from fix_fdiv to return the result as a double value. * numeric.c (rb_int_fdiv): rewrite by using rb_int_fdiv_double. * internal.h (rb_{big,int}_fdiv_double): exported. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-11numeric.c, rational.c: refactor by using FIXNUM_NEGATIVE_P and FIXNUM_ZERO_Pmrkn
* numeric.c (num_zero_p, fix_divide, fix_mod, fix_divmod): refactor by using FIXNUM_NEGATIVE_P and FIXNUM_ZERO_P. * rational.c (INT_NEGATIVE_P, INT_ZERO_P): ditto. * internal.h: move FIXNUM_NEGATIVE_P and FIXNUM_ZERO_P from numeric.c git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-10numeric.c, internal.h: export int_fdiv() as rb_int_fdiv()mrkn
* numeric.c (rb_int_fdiv): export int_fdiv() as rb_int_fdiv(). * internal.h (rb_int_fdiv): add declaration of rb_int_fdiv(). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56695 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-07 Introduce table improvement by Vladimir Makarov <vmakarov@redhat.com>.ko1
[Feature #12142] See header of st.c for improvment details. You can see all of code history here: <https://github.com/vnmakarov/ruby/tree/hash_tables_with_open_addressing> This improvement is discussed at <https://bugs.ruby-lang.org/issues/12142> with many people, especially with Yura Sokolov. * st.c: improve st_table. * include/ruby/st.h: ditto. * internal.h, numeric.c, hash.c (rb_dbl_long_hash): extract a function. * ext/-test-/st/foreach/foreach.c: catch up this change. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56650 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-06process.c: PATH env in spawnnobu
* process.c (rb_exec_fillarg): honor the given path environment variable. [ruby-core:53103] [Bug #8004] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56618 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-05numeric.c: round to nearest evennobu
* numeric.c (flo_round, int_round): support round-to-nearest-even semantics of IEEE 754 to match sprintf behavior, and add `half:` optional keyword argument for the old behavior. [ruby-core:76273] [Bug #12548] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56590 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-05chomp optionnobu
* io.c (extract_getline_opts): extract chomp option. [Feature #12553] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56581 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-10-28internal.h: RB_OBJ_BUILTIN_TYPEnobu
* internal.h (RB_OBJ_BUILTIN_TYPE): special-const safe BUILTIN_TYPE. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56510 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-10-24class.c: rb_undef_methods_fromnobu
* class.c (rb_undef_methods_from): undefine methods defined in super from klass. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56482 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-10-04* internal.h (ST2FIX): new macro to convert st_index_t to Fixnum.usa
a hash value of Object might be Bignum, but it causes many troubles expecially the Object is used as a key of a hash. so I've gave up to do so. * array.c (rb_ary_hash): use above macro. * bignum.c (rb_big_hash): ditto. * hash.c (rb_obj_hash, rb_hash_hash): ditto. * numeric.c (rb_dbl_hash): ditto. * proc.c (proc_hash): ditto. * re.c (rb_reg_hash, match_hash): ditto. * string.c (rb_str_hash_m): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56340 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-09-16* internal.h (MAYBE_UNUSED): The fallback definition is needed.ngoto
Fix compile error with some non-GCC compilers such as Oracle Solaris Studio 12.3 on Solaris 10. [Bug #12767] [ruby-dev:49807] * internal.h (WARN_UNUSED_RESULT): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56172 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-09-16 * internal.h (WARN_UNUSED_RESULT): moved to configure.in, toshyouhei
actually check its availability rather to check GCC's version. * configure.in (WARN_UNUSED_RESULT): moved to here. * configure.in (RUBY_FUNC_ATTRIBUTE): change function declaration to return int rather than void, because it makes no sense for a warn_unused_result attributed function to return void. Funny thing however is that it also makes no sense for noreturn attributed function to return int. So there is a fundamental conflict between them. While I tested this, I confirmed both GCC 6 and Clang 3.8 prefers int over void to correctly detect necessary attributes under this setup. Maybe subject to change in future. * internal.h (UNINITIALIZED_VAR): renamed to MAYBE_UNUSED, then moved to configure.in for the same reason we move WARN_UNUSED_RESULT. * configure.in (MAYBE_UNUSED): moved to here. * internal.h (__has_attribute): deleted, because it has no use now. * string.c (rb_str_enumerate_lines): refactor macro rename. * string.c (rb_str_enumerate_bytes): ditto. * string.c (rb_str_enumerate_chars): ditto. * string.c (rb_str_enumerate_codepoints): ditto. * thread.c (do_select): ditto. * vm_backtrace.c (rb_debug_inspector_open): ditto. * vsnprintf.c (BSD_vfprintf): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56169 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-09-09variable.c: rb_deprecate_constantnobu
* variable.c (rb_deprecate_constant): new function to deprecate a constant by the name. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56119 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-09-02internal.h: fix typosnobu
* internal.h (MEMO_V1_SET, MEMO_V2_SET): fix typos. use the macro parameter, not the local variable. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56059 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-08-08internal.h: fix r55831nobu
* internal.h (RBASIC_CLEAR_CLASS): fix compile error and size to fill. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55833 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-08-08 * internal.h (RBASIC_CLEAR_CLASS): Reroute ANSI C's strictshyouhei
aliasing rule. [ruby-core:74427][Bug #12191][ruby-core:76747][Bug #12657] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55831 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-08-01hide struct internal [Feature #9916]shyouhei
* include/ruby/ruby.h (struct RStruct): no longer. * internal.h (struct RStruct): moved here. * struct.c (rb_struct_ptr): a compensation function for the lack of RSTRUCT_PTR. But now that we have RSTRUCT_GET/SET, that must not be used anyway. I mark this deprecated. Dont use it. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55788 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-28* vm.c, internal.h: remove RubyVM::Env class and all of env objectsko1
are imemo objects (imemo_env). * NEWS: describe this change. I believe nobody touch these objects because there are no method defined. * vm_core.h: remove the following definitions. * rb_cEnv decl. * GetEnvPtr() because Env is no longer T_DATA object. * vm_core.h (rb_env_t): fix layout for imemo values. * vm_core.h (vm_assert_env): added. * vm_core.h (vm_env_new): added. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55768 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-28* vm_core.h: revisit the structure of frame, block and env.ko1
[Bug #12628] This patch introduce many changes. * Introduce concept of "Block Handler (BH)" to represent passed blocks. * move rb_control_frame_t::flag to ep[0] (as a special local variable). This flags represents not only frame type, but also env flags such as escaped. * rename `rb_block_t` to `struct rb_block`. * Make Proc, Binding and RubyVM::Env objects wb-protected. Check [Bug #12628] for more details. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-23internal.h: inline Check_Typenobu
* internal.h (Check_Type): inline check for the object type. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55734 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-20hash.c: rb_hash_add_new_elementnobu
* hash.c (rb_hash_add_new_element): add new element or do nothing if it is contained already. * array.c (ary_add_hash, ary_add_hash_by): use rb_hash_add_new_element. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-12math.c: Complex sqrtnobu
* math.c (rb_math_sqrt): [EXPERIMENTAL] move Complex sqrt support from mathn.rb. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55646 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-12complex.c: rb_complex prefixnobu
* complex.c (rb_complex_plus, rb_complex_mul): rename to rb_complex prefix. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55645 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-07-05* string.c (rb_str_change_terminator_length): New function to changengoto
termlen and resize heap for the terminator. This is split from rb_str_fill_terminator (str_fill_term) because filling terminator and changing terminator length are different things. [Bug #12536] * internal.h: declaration for rb_str_change_terminator_length. * string.c (str_fill_term): Simplify only to zero-fill the terminator. For non-shared strings, it assumes that (capa + termlen) bytes of heap is allocated. This partially reverts r55557. * encoding.c (rb_enc_associate_index): rb_str_change_terminator_length is used, and it should be called whenever the termlen is changed. * string.c (str_capacity): New static function to return capacity of a string with the given termlen, because the termlen may sometimes be different from TERM_LEN(str) especially during changing termlen or filling terminator with specific termlen. * string.c (rb_str_capacity): Use str_capacity. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-06-13Integer unification macronobu
* include/ruby/ruby.h (RUBY_INTEGER_UNIFICATION): macro to tell if Integer is integrated. [ruby-core:75718][Bug #12427] * include/ruby/backward.h, internal.h (rb_cFixnum, rb_cBignum): fallback to rb_cInteger. * bignum.c, numeric.c, ext/json/generator/generator.{c,h}: use the macro. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55394 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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