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* enc/gb18030.c (gb18030_mbc_to_code): mask by 0x7FFFFFFF

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because OnigCodePoint will be used as 32bit signed int.
  Masking by 0x7FFFFFFF is ok on GB18030;
  Minumum 4bytes character is 0x81308130.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16737 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2008-06-01 18:29:08 +00:00
parent ccb61351ea
commit 9c13fc7d89
2 changed files with 21 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Mon Jun 2 03:23:25 2008 NARUSE, Yui <naruse@ruby-lang.org>
* enc/gb18030.c (gb18030_mbc_to_code): mask by 0x7FFFFFFF
because OnigCodePoint will be used as 32bit signed int.
Masking by 0x7FFFFFFF is ok on GB18030;
Minumum 4bytes character is 0x81308130.
Sun Jun 1 22:29:35 2008 NARUSE, Yui <naruse@ruby-lang.org>
* rational.c (string_to_r_internal): use rb_isdigit.

15
enc/gb18030.c
View file

@ -166,7 +166,20 @@ gb18030_mbc_enc_len(const UChar* p, const UChar* e, OnigEncoding enc ARG_UNUSED)
static OnigCodePoint
gb18030_mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc)
{
return onigenc_mbn_mbc_to_code(enc, p, end);
int c, i, len;
OnigCodePoint n;
len = enclen(enc, p, end);
n = (OnigCodePoint )(*p++);
if (len == 1) return n;
for (i = 1; i < len; i++) {
if (p >= end) break;
c = *p++;
n <<= 8; n += c;
}
n &= 0x7FFFFFFF;
return n;
}
static int