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* ext/stringio/stringio.c (check_modifiable): performance

Browse source 
improvement.  avoid calling rb_str_modify() twice.

* ext/stringio/stringio.c (strio_ungetc): ditto.

* ext/stringio/stringio.c (strio_putc): ditto.

* ext/stringio/stringio.c (strio_write): ditto, and use
  rb_str_cat() as possible.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2345 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2002-04-09 03:52:39 +00:00
parent f240fc637c
commit e223518948
3 changed files with 29 additions and 6 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
Tue Apr 9 12:44:59 2002 Nobuyoshi Nakada <nobu.nakada@nifty.ne.jp>
* ext/stringio/stringio.c (check_modifiable): performance
improvement. avoid calling rb_str_modify() twice.
* ext/stringio/stringio.c (strio_ungetc): ditto.
* ext/stringio/stringio.c (strio_putc): ditto.
* ext/stringio/stringio.c (strio_write): ditto, and use
rb_str_cat() as possible.
Tue Apr 9 05:17:48 2002 Akinori MUSHA <knu@iDaemons.org>
* re.c (match_select): fix index references and make

19
ext/stringio/stringio.c
View file

@ -125,7 +125,6 @@ check_modifiable(ptr)
if (OBJ_FROZEN(ptr->string)) {
rb_raise(rb_eIOError, "not modifiable string");
}
rb_str_modify(ptr->string);
}
static VALUE strio_s_allocate _((VALUE));
@ -548,6 +547,7 @@ strio_ungetc(self, ch)
if ((unsigned char)RSTRING(ptr->string)->ptr[--ptr->pos] !=
(unsigned char)cc) {
check_modifiable(ptr);
rb_str_modify(ptr->string);
RSTRING(ptr->string)->ptr[ptr->pos] = cc;
}
}
@ -740,10 +740,18 @@ strio_write(self, str)
if (ptr->flags & STRIO_APPEND) {
ptr->pos = RSTRING(ptr->string)->len;
}
if (ptr->pos + len > RSTRING(ptr->string)->len) {
rb_str_resize(ptr->string, ptr->pos + len);
if (ptr->pos == RSTRING(ptr->string)->len) {
rb_str_cat(ptr->string, RSTRING(str)->ptr, len);
}
else {
if (ptr->pos + len > RSTRING(ptr->string)->len) {
rb_str_resize(ptr->string, ptr->pos + len);
}
else {
rb_str_modify(ptr->string);
}
rb_str_update(ptr->string, ptr->pos, len, str);
}
rb_str_update(ptr->string, ptr->pos, len, str);
ptr->pos += len;
return LONG2NUM(len);
}
@ -768,6 +776,9 @@ strio_putc(self, ch)
if (ptr->pos >= RSTRING(ptr->string)->len) {
rb_str_resize(ptr->string, ptr->pos + 1);
}
else {
rb_str_modify(ptr->string);
}
RSTRING(ptr->string)->ptr[ptr->pos++] = c;
return ch;
}

4
version.h
View file

@ -1,4 +1,4 @@
#define RUBY_VERSION "1.7.2"
#define RUBY_RELEASE_DATE "2002-04-08"
#define RUBY_RELEASE_DATE "2002-04-09"
#define RUBY_VERSION_CODE 172
#define RUBY_RELEASE_CODE 20020408
#define RUBY_RELEASE_CODE 20020409