static_members.cc (test02): Disable for systems without named locale support.
2002-10-14 Benjamin Kosnik <bkoz@redhat.com> * testsuite/22_locale/static_members.cc (test02): Disable for systems without named locale support. * testsuite/22_locale/ctor_copy_dtor.cc (test04): Don't assume running the testsuites in "C" environment. Add new tests. * docs/html/22_locale/locale.html: Update. From-SVN: r58142
This commit is contained in:
Benjamin Kosnik
Benjamin Kosnik
parent
741fa37f8b
commit
9fead1f53b
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@ -1,3 +1,12 @@
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2002-10-14 Benjamin Kosnik <bkoz@redhat.com>
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* testsuite/22_locale/static_members.cc (test02): Disable for
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systems without named locale support.
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* testsuite/22_locale/ctor_copy_dtor.cc (test04): Don't assume
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running the testsuites in "C" environment.
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Add new tests.
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* docs/html/22_locale/locale.html: Update.
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2002-10-13 Danny Smith <dannysmith@users.sourceforge.net>
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* include/bits/stl_threads.h (_GLIBCPP_mutex,
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@ -6,7 +6,7 @@
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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<meta name="AUTHOR" content="bkoz@redhat.com (Benjamin Kosnik)" />
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<meta name="KEYWORDS" content="HOWTO, libstdc++, GCC, g++, libg++, STL" />
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<meta name="KEYWORDS" content="HOWTO, libstdc++, locale name LC_ALL" />
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<meta name="DESCRIPTION" content="Notes on the locale implementation." />
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<title>Notes on the locale implementation.</title>
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<link rel="StyleSheet" href="../lib3styles.css" />
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@ -16,97 +16,456 @@
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Notes on the locale implementation.
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</h1>
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<em>
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prepared by Benjamin Kosnik (bkoz@redhat.com) on August 8, 2001
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prepared by Benjamin Kosnik (bkoz@redhat.com) on October 14, 2002
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</em>
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<h2>
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1. Abstract Describes the basic locale object, including nested
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classes id, facet, and the reference-counted implementation object,
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class _Impl.
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1. Abstract
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</h2>
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<p>
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Describes the basic locale object, including nested
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classes id, facet, and the reference-counted implementation object,
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class _Impl.
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</p>
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<h2>
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2. What the standard says
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</h2>
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See Chapter 22 of the standard.
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<h2>
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3. Problems with "C" locales : global locales, termination.
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</h2>
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<p>
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The major problem is fitting an object-orientated and non-global locale
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design ontop of POSIX and other relevant stanards, which include the
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Single Unix (nee X/Open.)
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Because POSIX falls down so completely, portibility is an issue.
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</p>
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<h2>
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4. Design
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</h2>
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Class locale in non-templatized and has three distinct types nested
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Class locale is non-templatized and has two distinct types nested
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inside of it:
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<blockquote>
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<em>
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class facet
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22.1.1.1.2 Class locale::facet
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</em>
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</blockquote>
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<p>
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Facets actually implement locale functionality. For instance, a facet
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called numpunct is the data objects that can be used to query for the
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thousands separator is in the German locale.
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</p>
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Literally, a facet is strictly defined:
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- containing
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public:
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static locale::id id;
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<ul>
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<li>containing the following public data member:
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<p>
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<code>static locale::id id;</code>
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</p>
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</li>
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- or derived from another facet
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The only other thing of interest in this class is the memory
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management of facets. Each constructor of a facet class takes a
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std::size_t __refs argument: if __refs == 0, the facet is deleted when
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the locale containing it is destroyed. If __refs == 1, the facet is
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not destroyed, even when it is no longer referenced.
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<li>derived from another facet:
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<p>
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<code> class gnu_codecvt: public std::ctype<user-defined-type></code>
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</p>
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</li>
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</ul>
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<p>
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Of interest in this class are the memory management options explicitly
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specified as an argument to facet's constructor. Each constructor of a
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facet class takes a std::size_t __refs argument: if __refs == 0, the
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facet is deleted when the locale containing it is destroyed. If __refs
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== 1, the facet is not destroyed, even when it is no longer
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referenced.
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</p>
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<blockquote>
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<em>
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class id
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Provides an index for looking up specific facets.
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22.1.1.1.3 - Class locale::id
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</em>
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</blockquote>
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<p>
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Provides an index for looking up specific facets.
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<p>
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class _Impl
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The internal representation of the std::locale object.
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<h2>
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5. Relationship to traditional "C" locales.
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3. Interacting with "C" locales.
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</h2>
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<p>
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Some help on determining the underlying support for locales on a system.
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Note, this is specific to linux (and glibc-2.3.x)
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</p>
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<ul>
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<li> <code>`locale -a`</code> displays available locales.
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<blockquote>
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<pre>
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af_ZA
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ar_AE
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ar_AE.utf8
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ar_BH
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ar_BH.utf8
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ar_DZ
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ar_DZ.utf8
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ar_EG
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ar_EG.utf8
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ar_IN
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ar_IQ
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ar_IQ.utf8
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ar_JO
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ar_JO.utf8
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ar_KW
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ar_KW.utf8
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ar_LB
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ar_LB.utf8
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ar_LY
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ar_LY.utf8
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ar_MA
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ar_MA.utf8
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ar_OM
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ar_OM.utf8
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ar_QA
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ar_QA.utf8
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ar_SA
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ar_SA.utf8
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ar_SD
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ar_SD.utf8
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ar_SY
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ar_SY.utf8
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ar_TN
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ar_TN.utf8
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ar_YE
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ar_YE.utf8
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be_BY
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be_BY.utf8
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bg_BG
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bg_BG.utf8
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br_FR
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bs_BA
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C
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ca_ES
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ca_ES@euro
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ca_ES.utf8
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ca_ES.utf8@euro
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cs_CZ
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cs_CZ.utf8
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cy_GB
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da_DK
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da_DK.iso885915
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da_DK.utf8
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de_AT
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de_AT@euro
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de_AT.utf8
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de_AT.utf8@euro
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de_BE
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de_BE@euro
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de_BE.utf8
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de_BE.utf8@euro
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de_CH
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de_CH.utf8
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de_DE
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de_DE@euro
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de_DE.utf8
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de_DE.utf8@euro
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de_LU
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de_LU@euro
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de_LU.utf8
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de_LU.utf8@euro
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el_GR
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el_GR.utf8
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en_AU
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en_AU.utf8
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en_BW
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en_BW.utf8
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en_CA
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en_CA.utf8
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en_DK
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en_DK.utf8
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en_GB
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en_GB.iso885915
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en_GB.utf8
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en_HK
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en_HK.utf8
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en_IE
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en_IE@euro
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en_IE.utf8
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en_IE.utf8@euro
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en_IN
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en_NZ
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en_NZ.utf8
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en_PH
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en_PH.utf8
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en_SG
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en_SG.utf8
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en_US
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en_US.iso885915
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en_US.utf8
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en_ZA
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en_ZA.utf8
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en_ZW
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en_ZW.utf8
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es_AR
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es_AR.utf8
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es_BO
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es_BO.utf8
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es_CL
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es_CL.utf8
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es_CO
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es_CO.utf8
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es_CR
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es_CR.utf8
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es_DO
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es_DO.utf8
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es_EC
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es_EC.utf8
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es_ES
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es_ES@euro
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es_ES.utf8
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es_ES.utf8@euro
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es_GT
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es_GT.utf8
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es_HN
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es_HN.utf8
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es_MX
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es_MX.utf8
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es_NI
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es_NI.utf8
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es_PA
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es_PA.utf8
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es_PE
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es_PE.utf8
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es_PR
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es_PR.utf8
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es_PY
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es_PY.utf8
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es_SV
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es_SV.utf8
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es_US
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es_US.utf8
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es_UY
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es_UY.utf8
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es_VE
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es_VE.utf8
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et_EE
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et_EE.utf8
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eu_ES
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eu_ES@euro
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eu_ES.utf8
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eu_ES.utf8@euro
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fa_IR
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fi_FI
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fi_FI@euro
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fi_FI.utf8
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fi_FI.utf8@euro
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fo_FO
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fo_FO.utf8
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fr_BE
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fr_BE@euro
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fr_BE.utf8
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fr_BE.utf8@euro
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fr_CA
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fr_CA.utf8
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fr_CH
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fr_CH.utf8
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fr_FR
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fr_FR@euro
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fr_FR.utf8
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fr_FR.utf8@euro
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fr_LU
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fr_LU@euro
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fr_LU.utf8
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fr_LU.utf8@euro
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ga_IE
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ga_IE@euro
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ga_IE.utf8
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ga_IE.utf8@euro
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gl_ES
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gl_ES@euro
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gl_ES.utf8
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gl_ES.utf8@euro
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gv_GB
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gv_GB.utf8
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he_IL
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he_IL.utf8
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hi_IN
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hr_HR
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hr_HR.utf8
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hu_HU
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hu_HU.utf8
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id_ID
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id_ID.utf8
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is_IS
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is_IS.utf8
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it_CH
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it_CH.utf8
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it_IT
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it_IT@euro
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it_IT.utf8
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it_IT.utf8@euro
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iw_IL
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iw_IL.utf8
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ja_JP.eucjp
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ja_JP.utf8
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ka_GE
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kl_GL
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kl_GL.utf8
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ko_KR.euckr
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ko_KR.utf8
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kw_GB
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kw_GB.utf8
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lt_LT
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lt_LT.utf8
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lv_LV
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lv_LV.utf8
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mi_NZ
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mk_MK
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mk_MK.utf8
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mr_IN
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ms_MY
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ms_MY.utf8
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mt_MT
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mt_MT.utf8
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nl_BE
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nl_BE@euro
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nl_BE.utf8
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nl_BE.utf8@euro
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nl_NL
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nl_NL@euro
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nl_NL.utf8
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nl_NL.utf8@euro
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nn_NO
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nn_NO.utf8
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no_NO
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no_NO.utf8
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oc_FR
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pl_PL
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pl_PL.utf8
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POSIX
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pt_BR
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pt_BR.utf8
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pt_PT
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pt_PT@euro
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pt_PT.utf8
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pt_PT.utf8@euro
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ro_RO
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ro_RO.utf8
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ru_RU
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ru_RU.koi8r
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ru_RU.utf8
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ru_UA
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ru_UA.utf8
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se_NO
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sk_SK
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sk_SK.utf8
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sl_SI
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sl_SI.utf8
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sq_AL
|
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sq_AL.utf8
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sr_YU
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sr_YU@cyrillic
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sr_YU.utf8
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sr_YU.utf8@cyrillic
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sv_FI
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sv_FI@euro
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sv_FI.utf8
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sv_FI.utf8@euro
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sv_SE
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sv_SE.iso885915
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sv_SE.utf8
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ta_IN
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te_IN
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tg_TJ
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th_TH
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th_TH.utf8
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tl_PH
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tr_TR
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tr_TR.utf8
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uk_UA
|
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uk_UA.utf8
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ur_PK
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uz_UZ
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vi_VN
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vi_VN.tcvn
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wa_BE
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wa_BE@euro
|
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yi_US
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zh_CN
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zh_CN.gb18030
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zh_CN.gbk
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zh_CN.utf8
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zh_HK
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zh_HK.utf8
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zh_TW
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zh_TW.euctw
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zh_TW.utf8
|
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</pre>
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||||
</blockquote>
|
||||
</li>
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||||
|
||||
<li> <code>`locale`</code> displays environmental variables
|
||||
that impact how locale("") will be deduced.
|
||||
|
||||
<blockquote>
|
||||
<pre>
|
||||
LANG=en_US
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||||
LC_CTYPE="en_US"
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||||
LC_NUMERIC="en_US"
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||||
LC_TIME="en_US"
|
||||
LC_COLLATE="en_US"
|
||||
LC_MONETARY="en_US"
|
||||
LC_MESSAGES="en_US"
|
||||
LC_PAPER="en_US"
|
||||
LC_NAME="en_US"
|
||||
LC_ADDRESS="en_US"
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||||
LC_TELEPHONE="en_US"
|
||||
LC_MEASUREMENT="en_US"
|
||||
LC_IDENTIFICATION="en_US"
|
||||
LC_ALL=
|
||||
</pre>
|
||||
</blockquote>
|
||||
</li>
|
||||
</ul>
|
||||
|
||||
<p>
|
||||
From Josuttis, p. 697-698, which says, that "there is only *one*
|
||||
relation (of the C++ locale mechanism) to the C locale mechanism: the
|
||||
global C locale is modified if a named C++ locale object is set as the
|
||||
global locale" (emphasis Paolo), that is:
|
||||
</p>
|
||||
<code>std::locale::global(std::locale(""));</code>
|
||||
|
||||
std::locale::global(std::locale(""));
|
||||
<p>affects the C functions as if the following call was made:</p>
|
||||
|
||||
affects the C functions as if the following call was made:
|
||||
|
||||
std::setlocale(LC_ALL, "");
|
||||
<code>std::setlocale(LC_ALL, "");</code>
|
||||
|
||||
<p>
|
||||
On the other hand, there is *no* viceversa, that is, calling setlocale
|
||||
has *no* whatsoever on the C++ locale mechanism, in particular on the
|
||||
working of locale(""), which constructs the locale object from the
|
||||
environment of the running program, that is, in practice, the set of
|
||||
LC_ALL, LANG, etc. variable of the shell.
|
||||
</p>
|
||||
|
||||
|
||||
<h2>
|
||||
4. Design
|
||||
</h2>
|
||||
|
||||
|
||||
<p>
|
||||
The major design challenge is fitting an object-orientated and
|
||||
non-global locale design ontop of POSIX and other relevant stanards,
|
||||
which include the Single Unix (nee X/Open.)
|
||||
</p>
|
||||
|
||||
<p>
|
||||
Because POSIX falls down so completely, portibility is an issue.
|
||||
</p>
|
||||
|
||||
class _Impl
|
||||
The internal representation of the std::locale object.
|
||||
|
||||
|
||||
<h2>
|
||||
5. Examples
|
||||
</h2>
|
||||
|
||||
<pre>
|
||||
typedef __locale_t locale;
|
||||
</pre>
|
||||
|
||||
More information can be found in the following testcases:
|
||||
<ul>
|
||||
<li> testsuite/22_locale/all </li>
|
||||
|
|
@ -117,8 +476,6 @@ More information can be found in the following testcases:
|
|||
</h2>
|
||||
|
||||
<ul>
|
||||
<li> locale -a displays available locales on linux </li>
|
||||
|
||||
<li> locale initialization: at what point does _S_classic,
|
||||
_S_global get initialized? Can named locales assume this
|
||||
initialization has already taken place? </li>
|
||||
|
|
|
|||
|
|
@ -315,53 +315,119 @@ void test03()
|
|||
{
|
||||
bool test = true;
|
||||
#ifdef _GLIBCPP_HAVE_SETENV
|
||||
const char* oldLC_ALL = getenv("LC_ALL");
|
||||
const char* LC_ALL_orig = getenv("LC_ALL");
|
||||
if (!setenv("LC_ALL", "it_IT", 1))
|
||||
{
|
||||
std::locale loc("");
|
||||
VERIFY( loc.name() == "it_IT" );
|
||||
setenv("LC_ALL", oldLC_ALL ? oldLC_ALL : "", 1);
|
||||
setenv("LC_ALL", LC_ALL_orig ? LC_ALL_orig : "", 1);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
// More tests for Posix locale::name.
|
||||
// More tests for locale("") == POSIX locale::name.
|
||||
void test04()
|
||||
{
|
||||
bool test = true;
|
||||
using namespace std;
|
||||
|
||||
#ifdef _GLIBCPP_HAVE_SETENV
|
||||
|
||||
const char* oldLC_ALL = getenv("LC_ALL") ? strdup(getenv("LC_ALL")) : "";
|
||||
const char* oldLANG = getenv("LANG") ? strdup(getenv("LANG")) : "";
|
||||
const char* LANG_orig = getenv("LANG") ? strdup(getenv("LANG")) : "";
|
||||
const char* LC_ALL_orig = getenv("LC_ALL") ? strdup(getenv("LC_ALL")) : "";
|
||||
const char* LC_CTYPE_orig =
|
||||
getenv("LC_CTYPE") ? strdup(getenv("LC_CTYPE")) : "";
|
||||
const char* LC_NUMERIC_orig =
|
||||
getenv("LC_NUMERIC") ? strdup(getenv("LC_NUMERIC")) : "";
|
||||
const char* LC_COLLATE_orig =
|
||||
getenv("LC_COLLATE") ? strdup(getenv("LC_COLLATE")) : "";
|
||||
const char* LC_TIME_orig =
|
||||
getenv("LC_TIME") ? strdup(getenv("LC_TIME")) : "";
|
||||
const char* LC_MONETARY_orig =
|
||||
getenv("LC_MONETARY") ? strdup(getenv("LC_MONETARY")) : "";
|
||||
const char* LC_MESSAGES_orig =
|
||||
getenv("LC_MESSAGES") ? strdup(getenv("LC_MESSAGES")) : "";
|
||||
#if _GLIBCPP_NUM_CATEGORIES
|
||||
const char* LC_PAPER_orig =
|
||||
getenv("LC_PAPER") ? strdup(getenv("LC_PAPER")) : "";
|
||||
const char* LC_NAME_orig =
|
||||
getenv("LC_NAME") ? strdup(getenv("LC_NAME")) : "";
|
||||
const char* LC_ADDRESS_orig =
|
||||
getenv("LC_ADDRESS") ? strdup(getenv("LC_ADDRESS")) : "";
|
||||
const char* LC_TELEPHONE_orig =
|
||||
getenv("LC_TELEPHONE") ? strdup(getenv("LC_TELEPHONE")) : "";
|
||||
const char* LC_MEASUREMENT_orig =
|
||||
getenv("LC_MEASUREMENT") ? strdup(getenv("LC_MEASUREMENT")) : "";
|
||||
const char* LC_IDENTIFICATION_orig =
|
||||
getenv("LC_IDENTIFICATION") ? strdup(getenv("LC_IDENTIFICATION")) : "";
|
||||
#endif
|
||||
|
||||
// Check that a "POSIX" LC_ALL is equivalent to "C".
|
||||
if (!setenv("LC_ALL", "POSIX", 1))
|
||||
{
|
||||
std::locale loc("");
|
||||
locale loc("");
|
||||
VERIFY( loc.name() == "C" );
|
||||
}
|
||||
setenv("LC_ALL", "", 1);
|
||||
|
||||
// Check that a "en_PH" LC_ALL is equivalent to "en_PH".
|
||||
if (!setenv("LC_ALL", "en_PH", 1))
|
||||
{
|
||||
locale loc("");
|
||||
VERIFY( loc.name() == "en_PH" );
|
||||
}
|
||||
setenv("LC_ALL", "", 1);
|
||||
|
||||
// Explicit check that LC_ALL sets regardless of LC_* and LANG.
|
||||
if (!setenv("LANG", "es_MX", 1) && !setenv("LC_COLLATE", "de_DE", 1))
|
||||
{
|
||||
if (!setenv("LC_ALL", "en_PH", 1))
|
||||
{
|
||||
locale loc("");
|
||||
VERIFY( loc.name() == "en_PH" );
|
||||
}
|
||||
setenv("LC_ALL", "", 1);
|
||||
setenv("LANG", LANG_orig ? LANG_orig : "", 1);
|
||||
setenv("LC_COLLATE", LC_COLLATE_orig ? LC_COLLATE_orig : "", 1);
|
||||
}
|
||||
|
||||
// NB: LANG checks all LC_* macro settings. As such, all LC_* macros
|
||||
// must be cleared for these tests, and then restored.
|
||||
setenv("LC_ALL", "", 1);
|
||||
setenv("LC_CTYPE", "", 1);
|
||||
setenv("LC_NUMERIC", "", 1);
|
||||
setenv("LC_COLLATE", "", 1);
|
||||
setenv("LC_TIME", "", 1);
|
||||
setenv("LC_MONETARY", "", 1);
|
||||
setenv("LC_MESSAGES", "", 1);
|
||||
#if _GLIBCPP_NUM_CATEGORIES
|
||||
setenv("LC_PAPER", "", 1);
|
||||
setenv("LC_NAME", "", 1);
|
||||
setenv("LC_ADDRESS", "", 1);
|
||||
setenv("LC_TELEPHONE", "", 1);
|
||||
setenv("LC_MEASUREMENT", "", 1);
|
||||
setenv("LC_IDENTIFICATION", "", 1);
|
||||
#endif
|
||||
|
||||
// Check the default set by LANG.
|
||||
if (!setenv("LC_ALL", "", 1) && !setenv("LANG", "fr_FR", 1))
|
||||
if (!setenv("LANG", "fr_FR", 1))
|
||||
{
|
||||
std::locale loc("");
|
||||
locale loc("");
|
||||
VERIFY( loc.name() == "fr_FR" );
|
||||
}
|
||||
|
||||
// Check that a "POSIX" LANG is equivalent to "C".
|
||||
if (!setenv("LANG", "POSIX", 1))
|
||||
{
|
||||
std::locale loc("");
|
||||
locale loc("");
|
||||
VERIFY( loc.name() == "C" );
|
||||
}
|
||||
|
||||
// Setting a category in the "C" default.
|
||||
const char* oldLC_COLLATE =
|
||||
getenv("LC_COLLATE") ? strdup(getenv("LC_COLLATE")) : "";
|
||||
if (!setenv("LC_COLLATE", "de_DE", 1))
|
||||
{
|
||||
std::locale loc("");
|
||||
locale loc("");
|
||||
|
||||
#if _GLIBCPP_NUM_CATEGORIES
|
||||
VERIFY( loc.name() == "LC_CTYPE=C;LC_NUMERIC=C;LC_COLLATE=de_DE;"
|
||||
|
|
@ -377,7 +443,7 @@ void test04()
|
|||
// Changing the LANG default while LC_COLLATE is set.
|
||||
if (!setenv("LANG", "fr_FR", 1))
|
||||
{
|
||||
std::locale loc("");
|
||||
locale loc("");
|
||||
#if _GLIBCPP_NUM_CATEGORIES
|
||||
VERIFY( loc.name() == "LC_CTYPE=fr_FR;LC_NUMERIC=fr_FR;"
|
||||
"LC_COLLATE=de_DE;LC_TIME=fr_FR;LC_MONETARY=fr_FR;"
|
||||
|
|
@ -392,12 +458,10 @@ void test04()
|
|||
}
|
||||
|
||||
// Changing another (C only) category.
|
||||
const char* oldLC_IDENTIFICATION =
|
||||
getenv("LC_IDENTIFICATION") ? strdup(getenv("LC_IDENTIFICATION")) : "";
|
||||
#if _GLIBCPP_NUM_CATEGORIES
|
||||
if (!setenv("LC_IDENTIFICATION", "it_IT", 1))
|
||||
{
|
||||
std::locale loc("");
|
||||
locale loc("");
|
||||
VERIFY( loc.name() == "LC_CTYPE=fr_FR;LC_NUMERIC=fr_FR;"
|
||||
"LC_COLLATE=de_DE;LC_TIME=fr_FR;LC_MONETARY=fr_FR;"
|
||||
"LC_MESSAGES=fr_FR;LC_PAPER=fr_FR;LC_NAME=fr_FR;"
|
||||
|
|
@ -407,11 +471,24 @@ void test04()
|
|||
#endif
|
||||
|
||||
// Restore the environment.
|
||||
setenv("LC_ALL", oldLC_ALL ? oldLC_ALL : "", 1);
|
||||
setenv("LANG", oldLANG ? oldLANG : "", 1);
|
||||
setenv("LC_COLLATE", oldLC_COLLATE ? oldLC_COLLATE : "", 1);
|
||||
setenv("LC_IDENTIFICATION",
|
||||
oldLC_IDENTIFICATION ? oldLC_IDENTIFICATION : "", 1);
|
||||
setenv("LANG", LANG_orig ? LANG_orig : "", 1);
|
||||
setenv("LC_ALL", LC_ALL_orig ? LC_ALL_orig : "", 1);
|
||||
setenv("LC_CTYPE", LC_CTYPE_orig ? LC_CTYPE_orig : "", 1);
|
||||
setenv("LC_NUMERIC", LC_NUMERIC_orig ? LC_NUMERIC_orig : "", 1);
|
||||
setenv("LC_COLLATE", LC_COLLATE_orig ? LC_COLLATE_orig : "", 1);
|
||||
setenv("LC_TIME", LC_TIME_orig ? LC_TIME_orig : "", 1);
|
||||
setenv("LC_MONETARY", LC_MONETARY_orig ? LC_MONETARY_orig : "", 1);
|
||||
setenv("LC_MESSAGES", LC_MESSAGES_orig ? LC_MESSAGES_orig : "", 1);
|
||||
#if _GLIBCPP_NUM_CATEGORIES
|
||||
setenv("LC_PAPER", LC_PAPER_orig ? LC_PAPER_orig : "", 1);
|
||||
setenv("LC_NAME", LC_NAME_orig ? LC_NAME_orig : "", 1);
|
||||
setenv("LC_ADDRESS", LC_ADDRESS_orig ? LC_ADDRESS_orig : "", 1);
|
||||
setenv("LC_TELEPHONE", LC_TELEPHONE_orig ? LC_TELEPHONE_orig : "", 1);
|
||||
setenv("LC_MEASUREMENT", LC_MEASUREMENT_orig ? LC_MEASUREMENT_orig : "", 1);
|
||||
setenv("LC_IDENTIFICATION",
|
||||
LC_IDENTIFICATION_orig ? LC_IDENTIFICATION_orig : "", 1);
|
||||
#endif
|
||||
|
||||
#endif
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -67,28 +67,34 @@ void test02()
|
|||
using namespace std;
|
||||
bool test = true;
|
||||
|
||||
// If the underlying locale doesn't support these names, setlocale
|
||||
// won't be reset. Therefore, disable unless we know named locales work.
|
||||
#if _GLIBCPP_C_LOCALE_GNU
|
||||
|
||||
const string ph("en_PH");
|
||||
const string mx("es_MX");
|
||||
|
||||
const locale loc_ph(ph.c_str());
|
||||
const locale loc_mx(mx.c_str());
|
||||
|
||||
// Get underlying current locale and environment settings.
|
||||
const locale env_orig("");
|
||||
|
||||
// setlocale to en_PH
|
||||
std::setlocale(LC_ALL, ph.c_str());
|
||||
|
||||
const locale loc_env("");
|
||||
VERIFY( loc_env == env_orig );
|
||||
// Use setlocale between two calls to locale("")
|
||||
const locale loc_env_1("");
|
||||
setlocale(LC_ALL, ph.c_str());
|
||||
const locale loc_env_2("");
|
||||
VERIFY( loc_env_1 == loc_env_2 );
|
||||
|
||||
// Change global locale.
|
||||
locale global_orig = locale::global(loc_mx);
|
||||
const char* lc_all_mx = std::setlocale(LC_ALL, NULL);
|
||||
const char* lc_all_mx = setlocale(LC_ALL, NULL);
|
||||
if (lc_all_mx)
|
||||
VERIFY( mx == lc_all_mx );
|
||||
{
|
||||
cout << "lc_all_mx is " << lc_all_mx << endl;
|
||||
VERIFY( mx == lc_all_mx );
|
||||
}
|
||||
|
||||
// Restore global settings.
|
||||
locale::global(global_orig);
|
||||
#endif
|
||||
}
|
||||
|
||||
// Static counter for use in checking ctors/dtors.
|
||||
|
|
|
|||
Loading…
Reference in New Issue