diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-09-08 09:44:46 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-09-08 09:44:46 +0000 |
commit | a838eb5c65cd937c36c8e0653ecde78913d47d78 (patch) | |
tree | 387c943bed46231c2ef278be2841352b696fee07 /ext/stringio | |
parent | 3d8690ebdbb8bec5d828d36fb558c63ae6f4e220 (diff) |
* ext/stringio/stringio.c (strio_write): zero fill a gap if exsts.
[ruby-dev:24190]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/stringio')
-rw-r--r-- | ext/stringio/stringio.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c index 706385a0b2..573fc0ea94 100644 --- a/ext/stringio/stringio.c +++ b/ext/stringio/stringio.c @@ -771,22 +771,24 @@ strio_write(self, str) VALUE self, str; { struct StringIO *ptr = writable(StringIO(self)); - long len; + long len, olen; if (TYPE(str) != T_STRING) str = rb_obj_as_string(str); len = RSTRING(str)->len; if (!len) return INT2FIX(0); check_modifiable(ptr); + olen = RSTRING(ptr->string)->len; if (ptr->flags & STRIO_APPEND) { - ptr->pos = RSTRING(ptr->string)->len; + ptr->pos = olen; } - if (ptr->pos == RSTRING(ptr->string)->len) { + if (ptr->pos == olen) { rb_str_cat(ptr->string, RSTRING(str)->ptr, len); } else { - if (ptr->pos + len > RSTRING(ptr->string)->len) { + if (ptr->pos + len > olen) { rb_str_resize(ptr->string, ptr->pos + len); + MEMZERO(RSTRING(ptr->string)->ptr + olen, char, ptr->pos - olen); } else { rb_str_modify(ptr->string); |