From 4dcc883d06cdc0f933fe83f307c7c6a5c1e41d05 Mon Sep 17 00:00:00 2001 From: nobu Date: Sun, 30 Jan 2011 03:56:16 +0000 Subject: * include/ruby/encoding.h (rb_enc_step_back): new function to step back n characters. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30728 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 5 +++++ include/ruby/encoding.h | 1 + 2 files changed, 6 insertions(+) diff --git a/ChangeLog b/ChangeLog index acadee538d..b756b13648 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +Sun Jan 30 12:56:13 2011 Nobuyoshi Nakada + + * include/ruby/encoding.h (rb_enc_step_back): new function to step + back n characters. + Sun Jan 30 12:53:38 2011 Nobuyoshi Nakada * enc/emacs_mule.c (emacsmule_islead): fix inverse condition. diff --git a/include/ruby/encoding.h b/include/ruby/encoding.h index efc99aa0af..94953c0906 100644 --- a/include/ruby/encoding.h +++ b/include/ruby/encoding.h @@ -162,6 +162,7 @@ int rb_enc_codelen(int code, rb_encoding *enc); /* start, ptr, end, encoding -> next_char */ #define rb_enc_left_char_head(s,p,e,enc) (char *)onigenc_get_left_adjust_char_head(enc,(UChar*)(s),(UChar*)(p),(UChar*)(e)) #define rb_enc_right_char_head(s,p,e,enc) (char *)onigenc_get_right_adjust_char_head(enc,(UChar*)(s),(UChar*)(p),(UChar*)(e)) +#define rb_enc_step_back(s,p,e,n,enc) (char *)onigenc_step_back(enc,(UChar*)(s),(UChar*)(p),(UChar*)(e),(n)) /* ptr, ptr, encoding -> newline_or_not */ #define rb_enc_is_newline(p,end,enc) ONIGENC_IS_MBC_NEWLINE(enc,(UChar*)(p),(UChar*)(end)) -- cgit v1.2.3