encoding.c: find encoding index

* encoding.c (rb_locale_encindex): find encoding index without
  making a string object every time.  [ruby-core:58160] [Bug #9080]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51670 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-08-24 07:01:22 +00:00
parent 73600fd6f8
commit 7a89049a76
4 changed files with 40 additions and 12 deletions

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@ -1,3 +1,8 @@
Mon Aug 24 16:01:19 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* encoding.c (rb_locale_encindex): find encoding index without
making a string object every time. [ruby-core:58160] [Bug #9080]
Sat Aug 22 15:43:12 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* vm_eval.c (check_funcall_failed, check_funcall_missing): cache

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@ -1275,16 +1275,14 @@ rb_usascii_encindex(void)
return ENCINDEX_US_ASCII;
}
int rb_locale_charmap_index(void);
int
rb_locale_encindex(void)
{
VALUE charmap = rb_locale_charmap(rb_cEncoding);
int idx;
int idx = rb_locale_charmap_index();
if (NIL_P(charmap))
idx = ENCINDEX_US_ASCII;
else if ((idx = rb_enc_find_index(StringValueCStr(charmap))) < 0)
idx = ENCINDEX_ASCII;
if (idx < 0) idx = ENCINDEX_ASCII;
if (rb_enc_registered("locale") < 0) {
# if defined _WIN32

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@ -22,8 +22,8 @@
#define CP_FORMAT(buf, codepage) snprintf(buf, sizeof(buf), "CP%u", (codepage))
#endif
VALUE
rb_locale_charmap(VALUE klass)
static VALUE
locale_charmap(VALUE (*conv)(const char *))
{
#if defined NO_LOCALE_CHARMAP
# error NO_LOCALE_CHARMAP defined
@ -40,16 +40,34 @@ rb_locale_charmap(VALUE klass)
CP_FORMAT(cp, codepage);
codeset = cp;
}
return rb_usascii_str_new2(codeset);
return (*conv)(codeset);
#elif defined HAVE_LANGINFO_H
char *codeset;
codeset = nl_langinfo(CODESET);
return rb_usascii_str_new2(codeset);
return (*conv)(codeset);
#else
return Qnil;
return ENCINDEX_US_ASCII;
#endif
}
VALUE
rb_locale_charmap(VALUE klass)
{
return locale_charmap(rb_usascii_str_new_cstr);
}
static VALUE
enc_find_index(const char *name)
{
return (VALUE)rb_enc_find_index(name);
}
int
rb_locale_charmap_index(VALUE klass)
{
return (int)locale_charmap(enc_find_index);
}
int
Init_enc_set_filesystem_encoding(void)
{

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@ -20,7 +20,14 @@ const char ruby_initial_load_paths[] = "";
VALUE
rb_locale_charmap(VALUE klass)
{
return rb_usascii_str_new2("ASCII-8BIT");
/* never used */
return Qnil;
}
int
rb_locale_charmap_index(void)
{
return -1;
}
int