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* transcode.c, include/ruby/encoding.c (rb_transcode_convertible):

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new function. checking the existance of converter.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19565 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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usa 2008-09-26 02:07:19 +00:00
parent 4300e2a993
commit e76b1a11ca
3 changed files with 20 additions and 0 deletions
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14
transcode.c
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@ -2839,6 +2839,20 @@ econv_s_search_convpath(int argc, VALUE *argv, VALUE klass)
return convpath;
}
/*
* check the existance of converter.
* returns the count of the converting paths.
* result: >=0:success -1:failure
*/
int
rb_transcode_convertible(const char* from_encoding, const char* to_encoding)
{
VALUE convpath = Qnil;
transcode_search_path(from_encoding, to_encoding, search_convpath_i,
&convpath);
return RTEST(convpath);
}
struct rb_econv_init_by_convpath_t {
rb_econv_t *ec;
int index;