From 44cdb4050dbdcc792f32b5df5471bd4c613dc5a6 Mon Sep 17 00:00:00 2001 From: nobu Date: Wed, 8 Sep 2004 09:44:46 +0000 Subject: * ext/stringio/stringio.c (strio_write): zero fill a gap if exsts. [ruby-dev:24190] git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@6873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/stringio/stringio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'ext/stringio') diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c index 706385a0b..573fc0ea9 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); -- cgit