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encoding.c: add rb_enc_code_to_mbclen

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* encoding.c (rb_enc_code_to_mbclen): add new function which returns
  mbclen from codepoint like as rb_enc_codelen() but 0 for invalid
  char.
* include/ruby/encoding.h (rb_enc_code_to_mbclen): declaration and
  shortcut macro.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42077 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-07-20 03:13:40 +00:00
parent b36cbe285d
commit 241ad8877d
3 changed files with 19 additions and 0 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
Sat Jul 20 12:13:37 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* encoding.c (rb_enc_code_to_mbclen): add new function which returns
mbclen from codepoint like as rb_enc_codelen() but 0 for invalid
char.
* include/ruby/encoding.h (rb_enc_code_to_mbclen): declaration and
shortcut macro.
Fri Jul 19 21:59:12 2013 Koichi Sasada <ko1@atdot.net>
* gc.c: declare type_name() at the beggining of file.

7
encoding.c
View file

@ -996,6 +996,13 @@ rb_enc_codelen(int c, rb_encoding *enc)
return n;
}
#undef rb_enc_code_to_mbclen
int
rb_enc_code_to_mbclen(int code, rb_encoding *enc)
{
return ONIGENC_CODE_TO_MBCLEN(enc, code);
}
int
rb_enc_toupper(int c, rb_encoding *enc)
{

3
include/ruby/encoding.h
View file

@ -147,6 +147,9 @@ unsigned int rb_enc_codepoint(const char *p, const char *e, rb_encoding *enc);
/* -> codelen>0 or raise exception */
int rb_enc_codelen(int code, rb_encoding *enc);
/* -> 0 for invalid codepoint */
int rb_enc_code_to_mbclen(int code, rb_encoding *enc);
#define rb_enc_code_to_mbclen(c, enc) ONIGENC_CODE_TO_MBCLEN((enc), (c));
/* code,ptr,encoding -> write buf */
#define rb_enc_mbcput(c,buf,enc) ONIGENC_CODE_TO_MBC((enc),(c),(UChar*)(buf))