from rb_econv_stateless_encoding to apply stateless ASCII
incompatible encodings such as UTF-16BE.
* io.c (make_writeconv): use rb_econv_asciicompat_encoding.
* transcode_data.h (rb_transcoder_asciicompat_type_t): renamed from
rb_transcoder_stateful_type_t.
(rb_transcoder): use rb_transcoder_asciicompat_type_t.
* transcode.c: follow the type change.
(asciicompat_encoding_i): renamed from stateless_encoding_i.
(rb_econv_asciicompat_encoding): renamed from
rb_econv_stateless_encoding.
(econv_s_asciicompat_encoding): method renamed.
* tool/transcode-tblgen.rb: follow the type change.
* enc/trans/utf_16_32.trans: follow the type change.
rb_from_UTF_16BE to UTF-8 is asciicompat_decoder.
rb_from_UTF_16LE to UTF-8 is asciicompat_decoder.
rb_from_UTF_32BE to UTF-8 is asciicompat_decoder.
rb_from_UTF_32LE to UTF-8 is asciicompat_decoder.
UTF-8 to rb_to_UTF_16BE is asciicompat_encoder.
UTF-8 to rb_to_UTF_16LE is asciicompat_encoder.
UTF-8 to rb_to_UTF_32BE is asciicompat_encoder.
UTF-8 to rb_to_UTF_32LE is asciicompat_encoder.
* enc/trans/newline.trans: follow the type change. universal newline
decoder is asciicompat_converter.
* enc/trans/escape.trans: follow the type change.
* enc/trans/iso2022.trans: ditto.
* enc/trans/japanese.trans: ditto.
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Encoding::Converter.stateless_encoding("html-attr-escaped") should be
nil.
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allocated by caller.
(rb_econv_insert_output): provide caller allocated buffer to
allocate_converted_string.
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(econv_primitive_convert): accept a hash as 5th argument as well.
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it tend to cause security problem. If the behaviour is really
required, ECONV_INVALID_REPLACE with empty string can be used.
For example, CVE-2006-2313, CVE-2008-1036, [ruby-core:15645]
(ECONV_UNDEF_IGNORE): ditto.
* transcode.c (rb_econv_convert): follow the above change.
(econv_opts): ditto.
(Init_transcode): ditto.
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* transcode.c (rb_econv_t): new fields: replacement_str,
replacement_len, replacement_enc and replacement_allocated.
(get_replacement_character): make len as size_t.
(rb_econv_open_by_transcoder_entries): initialize the new fields.
(rb_econv_close): deallocate replacement_str if it allocated.
(make_replacement): new function.
(output_replacement_character): use make_replacement.
(rb_econv_set_replacemenet): defined.
(econv_get_replacement): new method.
(econv_set_replacement): new method.
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rb_econv_option_t has only one field, int flags, rb_econv_option_t is
replaced by int.
* include/ruby/io.h: follow the above change.
* io.c: ditto.
* transcode.c: ditto.
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add state field.
(TRANSCODING_STATE): defined.
(rb_transcoder): add fields: state_size, state_init_func,
state_fini_func.
change rb_transcoding* argument to void*.
* transcode.c (transcode_restartable0): use TRANSCODING_STATE for
first arguments of transcoder functions.
(rb_transcoding_open_by_transcoder): initialize state field.
(rb_transcoding_close): finalize state field.
* tool/transcode-tblgen.rb: provide state size/init/fini.
* enc/trans/newline.trans (universal_newline_init): defined.
(fun_so_universal_newline): take void* as a state pointer.
(rb_universal_newline): provide state size/init/fini.
(rb_crlf_newline): ditto.
(rb_cr_newline): ditto.
* enc/trans/iso2022.trans (iso2022jp_init): defined.
(fun_si_iso2022jp_to_eucjp): take void* as a state pointer.
(fun_so_iso2022jp_to_eucjp): ditto.
(fun_so_eucjp_to_iso2022jp): ditto.
(iso2022jp_reset_sequence_size): ditto.
(finish_eucjp_to_iso2022jp): ditto.
(rb_ISO_2022_JP_to_EUC_JP): provide state size/init/fini.
(rb_EUC_JP_to_ISO_2022_JP): ditto.
* enc/trans/utf_16_32.trans (fun_so_from_utf_16be): take void* as a
state pointer.
(fun_so_to_utf_16be): ditto.
(fun_so_from_utf_16le): ditto.
(fun_so_to_utf_16le): ditto.
(fun_so_from_utf_32be): ditto.
(fun_so_to_utf_32be): ditto.
(fun_so_from_utf_32le): ditto.
(fun_so_to_utf_32le): ditto.
(rb_from_UTF_16BE): provide state size/init/fini.
(rb_to_UTF_16BE): ditto.
(rb_from_UTF_16LE): ditto.
(rb_to_UTF_16LE): ditto.
(rb_from_UTF_32BE): ditto.
(rb_to_UTF_32BE): ditto.
(rb_from_UTF_32LE): ditto.
(rb_to_UTF_32LE): ditto.
* enc/trans/japanese.trans (fun_so_eucjp2sjis): take void* as a state
pointer.
(fun_so_sjis2eucjp): ditto.
(rb_eucjp2sjis): provide state size/init/fini.
(rb_sjis2eucjp): provide state size/init/fini.
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(WORD_ADDR): ditto.
(BL_BASE): use BYTE_ADDR and WORD_ADDR.
(BL_INFO): use WORD_ADDR.
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word_array to avoid relocation.
* transcode.c (transcode_restartable0): add word_array to get infos
and BYTE_LOOKUPs.
* transcode_data.h (BYTE_LOOKUP_INFO): change return type to
uintptr_t.
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