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* string.c (rb_str_buf_append): fix append itself.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14941 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-01-07 22:57:00 +00:00
parent f07c8e6413
commit fc5a26c2d4
3 changed files with 17 additions and 1 deletions
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8
string.c
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@ -1166,7 +1166,13 @@ rb_enc_str_buf_cat(VALUE str, const char *ptr, long len, rb_encoding *ptr_enc)
VALUE
rb_str_buf_append(VALUE str, VALUE str2)
{
int str2_cr = ENC_CODERANGE(str2);
int str2_cr;
if (str == str2) {
str2 = rb_str_dup(str2);
}
str2_cr = ENC_CODERANGE(str2);
rb_enc_cr_str_buf_cat(str, RSTRING_PTR(str2), RSTRING_LEN(str2),
ENCODING_GET(str2), str2_cr, &str2_cr);