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Tue Aug 17 07:42:43 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>

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* string.c (str_make_independent_expand): set capacity properly. a
	  patch from Peter Weldon at [ruby-core:31734].  [ruby-core:31653]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29018 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2010-08-16 22:42:46 +00:00
parent 0afddf7b0a
commit 94fc95c8b0
2 changed files with 11 additions and 5 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Tue Aug 17 07:42:43 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (str_make_independent_expand): set capacity properly. a
patch from Peter Weldon at [ruby-core:31734]. [ruby-core:31653]
Tue Aug 17 07:38:43 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* gem_prelude.rb, lib/rubygems.rb (Gem.suffixes): include empty

11
string.c
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@ -1268,18 +1268,19 @@ str_make_independent_expand(VALUE str, long expand)
{
char *ptr;
long len = RSTRING_LEN(str);
long capa = len + expand;
ptr = ALLOC_N(char, len+expand+1);
if (len > capa) len = capa;
ptr = ALLOC_N(char, capa + 1);
if (RSTRING_PTR(str)) {
memcpy(ptr, RSTRING_PTR(str), expand < 0 ? len + expand : len);
memcpy(ptr, RSTRING_PTR(str), len);
}
len += expand;
STR_SET_NOEMBED(str);
STR_UNSET_NOCAPA(str);
ptr[len] = 0;
RSTRING(str)->as.heap.ptr = ptr;
RSTRING(str)->as.heap.len = len;
RSTRING(str)->as.heap.aux.capa = len;
STR_UNSET_NOCAPA(str);
RSTRING(str)->as.heap.aux.capa = capa;
}
#define str_make_independent(str) str_make_independent_expand(str, 0L)