/* utility functions for handling locale-specific stuff like what
* character represents the decimal point.
*
- * All C programs have an underlying locale. Perl generally doesn't pay any
- * attention to it except within the scope of a 'use locale'. For most
+ * All C programs have an underlying locale. Perl code generally doesn't pay
+ * any attention to it except within the scope of a 'use locale'. For most
* categories, it accomplishes this by just using different operations if it is
* in such scope than if not. However, various libc functions called by Perl
* are affected by the LC_NUMERIC category, so there are macros in perl.h that
* initialization. This is done before option parsing, and before any thread
* creation, so can be a file-level static */
#ifdef DEBUGGING
-# ifdef PERL_GLOBAL_STRUCT
+# ifdef PERL_GLOBAL_STRUCT
/* no global syms allowed */
-# define debug_initialization 0
-# define DEBUG_INITIALIZATION_set(v)
-# else
+# define debug_initialization 0
+# define DEBUG_INITIALIZATION_set(v)
+# else
static bool debug_initialization = FALSE;
-# define DEBUG_INITIALIZATION_set(v) (debug_initialization = v)
-# endif
+# define DEBUG_INITIALIZATION_set(v) (debug_initialization = v)
+# endif
#endif
+/* strlen() of a literal string constant. XXX We might want this more general,
+ * but using it in just this file for now */
+#define STRLENs(s) (sizeof("" s "") - 1)
+
+/* Is the C string input 'name' "C" or "POSIX"? If so, and 'name' is the
+ * return of setlocale(), then this is extremely likely to be the C or POSIX
+ * locale. However, the output of setlocale() is documented to be opaque, but
+ * the odds are extremely small that it would return these two strings for some
+ * other locale. Note that VMS in these two locales includes many non-ASCII
+ * characters as controls and punctuation (below are hex bytes):
+ * cntrl: 84-97 9B-9F
+ * punct: A1-A3 A5 A7-AB B0-B3 B5-B7 B9-BD BF-CF D1-DD DF-EF F1-FD
+ * Oddly, none there are listed as alphas, though some represent alphabetics
+ * http://www.nntp.perl.org/group/perl.perl5.porters/2013/02/msg198753.html */
+#define isNAME_C_OR_POSIX(name) \
+ ( (name) != NULL \
+ && (( *(name) == 'C' && (*(name + 1)) == '\0') \
+ || strEQ((name), "POSIX")))
+
#ifdef USE_LOCALE
/*
return locs;
}
-#endif
+/* Two parallel arrays; first the locale categories Perl uses on this system;
+ * the second array is their names. These arrays are in mostly arbitrary
+ * order. */
+
+const int categories[] = {
+
+# ifdef USE_LOCALE_NUMERIC
+ LC_NUMERIC,
+# endif
+# ifdef USE_LOCALE_CTYPE
+ LC_CTYPE,
+# endif
+# ifdef USE_LOCALE_COLLATE
+ LC_COLLATE,
+# endif
+# ifdef USE_LOCALE_TIME
+ LC_TIME,
+# endif
+# ifdef USE_LOCALE_MESSAGES
+ LC_MESSAGES,
+# endif
+# ifdef USE_LOCALE_MONETARY
+ LC_MONETARY,
+# endif
+# ifdef LC_ALL
+ LC_ALL,
+# endif
+ -1 /* Placeholder because C doesn't allow a
+ trailing comma, and it would get complicated
+ with all the #ifdef's */
+};
+
+/* The top-most real element is LC_ALL */
+
+const char * category_names[] = {
+
+# ifdef USE_LOCALE_NUMERIC
+ "LC_NUMERIC",
+# endif
+# ifdef USE_LOCALE_CTYPE
+ "LC_CTYPE",
+# endif
+# ifdef USE_LOCALE_COLLATE
+ "LC_COLLATE",
+# endif
+# ifdef USE_LOCALE_TIME
+ "LC_TIME",
+# endif
+# ifdef USE_LOCALE_MESSAGES
+ "LC_MESSAGES",
+# endif
+# ifdef USE_LOCALE_MONETARY
+ "LC_MONETARY",
+# endif
+# ifdef LC_ALL
+ "LC_ALL",
+# endif
+ NULL /* Placeholder */
+ };
+
+# ifdef LC_ALL
+
+ /* On systems with LC_ALL, it is kept in the highest index position. (-2
+ * to account for the final unused placeholder element.) */
+# define NOMINAL_LC_ALL_INDEX (C_ARRAY_LENGTH(categories) - 2)
+
+# else
+
+ /* On systems without LC_ALL, we pretend it is there, one beyond the real
+ * top element, hence in the unused placeholder element. */
+# define NOMINAL_LC_ALL_INDEX (C_ARRAY_LENGTH(categories) - 1)
+
+# endif
+
+/* Pretending there is an LC_ALL element just above allows us to avoid most
+ * special cases. Most loops through these arrays in the code below are
+ * written like 'for (i = 0; i < NOMINAL_LC_ALL_INDEX; i++)'. They will work
+ * on either type of system. But the code must be written to not access the
+ * element at 'LC_ALL_INDEX' except on platforms that have it. This can be
+ * checked for at compile time by using the #define LC_ALL_INDEX which is only
+ * defined if we do have LC_ALL. */
+
+/* Now create LC_foo_INDEX #defines for just those categories on this system */
+# ifdef USE_LOCALE_NUMERIC
+# define LC_NUMERIC_INDEX 0
+# define _DUMMY_NUMERIC LC_NUMERIC_INDEX
+# else
+# define _DUMMY_NUMERIC -1
+# endif
+# ifdef USE_LOCALE_CTYPE
+# define LC_CTYPE_INDEX _DUMMY_NUMERIC + 1
+# define _DUMMY_CTYPE LC_CTYPE_INDEX
+# else
+# define _DUMMY_CTYPE _DUMMY_NUMERIC
+# endif
+# ifdef USE_LOCALE_COLLATE
+# define LC_COLLATE_INDEX _DUMMY_CTYPE + 1
+# define _DUMMY_COLLATE LC_COLLATE_INDEX
+# else
+# define _DUMMY_COLLATE _DUMMY_COLLATE
+# endif
+# ifdef USE_LOCALE_TIME
+# define LC_TIME_INDEX _DUMMY_COLLATE + 1
+# define _DUMMY_TIME LC_TIME_INDEX
+# else
+# define _DUMMY_TIME _DUMMY_COLLATE
+# endif
+# ifdef USE_LOCALE_MESSAGES
+# define LC_MESSAGES_INDEX _DUMMY_TIME + 1
+# define _DUMMY_MESSAGES LC_MESSAGES_INDEX
+# else
+# define _DUMMY_MESSAGES _DUMMY_TIME
+# endif
+# ifdef USE_LOCALE_MONETARY
+# define LC_MONETARY_INDEX _DUMMY_MESSAGES + 1
+# define _DUMMY_MONETARY LC_MONETARY_INDEX
+# else
+# define _DUMMY_MONETARY _DUMMY_MESSAGES
+# endif
+# ifdef LC_ALL
+# define LC_ALL_INDEX _DUMMY_MONETARY + 1
+# endif
+#endif /* ifdef USE_LOCALE */
+
+/* Windows requres a customized base-level setlocale() */
+# ifdef WIN32
+# define my_setlocale(cat, locale) win32_setlocale(cat, locale)
+# else
+# define my_setlocale(cat, locale) setlocale(cat, locale)
+# endif
+
+/* Just placeholders for now. "_c" is intended to be called when the category
+ * is a constant known at compile time; "_r", not known until run time */
+# define do_setlocale_c(category, locale) my_setlocale(category, locale)
+# define do_setlocale_r(category, locale) my_setlocale(category, locale)
STATIC void
-S_set_numeric_radix(pTHX)
+S_set_numeric_radix(pTHX_ const bool use_locale)
{
-#ifdef USE_LOCALE_NUMERIC
-# ifdef HAS_LOCALECONV
- const struct lconv* const lc = localeconv();
+ /* If 'use_locale' is FALSE, set to use a dot for the radix character. If
+ * TRUE, use the radix character derived from the current locale */
- if (lc && lc->decimal_point) {
- if (lc->decimal_point[0] == '.' && lc->decimal_point[1] == 0) {
- SvREFCNT_dec(PL_numeric_radix_sv);
- PL_numeric_radix_sv = NULL;
- }
- else {
- if (PL_numeric_radix_sv)
- sv_setpv(PL_numeric_radix_sv, lc->decimal_point);
- else
- PL_numeric_radix_sv = newSVpv(lc->decimal_point, 0);
- if (! is_utf8_invariant_string((U8 *) lc->decimal_point, 0)
- && is_utf8_string((U8 *) lc->decimal_point, 0)
+#if defined(USE_LOCALE_NUMERIC) && ( defined(HAS_LOCALECONV) \
+ || defined(HAS_NL_LANGINFO))
+
+ /* We only set up the radix SV if we are to use a locale radix ... */
+ if (use_locale) {
+ const char * radix = my_nl_langinfo(PERL_RADIXCHAR, FALSE);
+ /* FALSE => already in dest locale */
+
+ /* ... and the character being used isn't a dot */
+ if (strNE(radix, ".")) {
+ if (PL_numeric_radix_sv) {
+ sv_setpv(PL_numeric_radix_sv, radix);
+ }
+ else {
+ PL_numeric_radix_sv = newSVpv(radix, 0);
+ }
+
+ if ( ! is_utf8_invariant_string(
+ (U8 *) SvPVX(PL_numeric_radix_sv), SvCUR(PL_numeric_radix_sv))
+ && is_utf8_string(
+ (U8 *) SvPVX(PL_numeric_radix_sv), SvCUR(PL_numeric_radix_sv))
&& _is_cur_LC_category_utf8(LC_NUMERIC))
{
- SvUTF8_on(PL_numeric_radix_sv);
+ SvUTF8_on(PL_numeric_radix_sv);
}
- }
+ goto done;
+ }
}
- else
- PL_numeric_radix_sv = NULL;
-#ifdef DEBUGGING
+ SvREFCNT_dec(PL_numeric_radix_sv);
+ PL_numeric_radix_sv = NULL;
+
+ done: ;
+
+# ifdef DEBUGGING
+
if (DEBUG_L_TEST || debug_initialization) {
PerlIO_printf(Perl_debug_log, "Locale radix is '%s', ?UTF-8=%d\n",
(PL_numeric_radix_sv)
? cBOOL(SvUTF8(PL_numeric_radix_sv))
: 0);
}
-#endif
-# endif /* HAS_LOCALECONV */
-#endif /* USE_LOCALE_NUMERIC */
+# endif
+#endif /* USE_LOCALE_NUMERIC and can find the radix char */
+
}
-/* Is the C string input 'name' "C" or "POSIX"? If so, and 'name' is the
- * return of setlocale(), then this is extremely likely to be the C or POSIX
- * locale. However, the output of setlocale() is documented to be opaque, but
- * the odds are extremely small that it would return these two strings for some
- * other locale. Note that VMS in these two locales includes many non-ASCII
- * characters as controls and punctuation (below are hex bytes):
- * cntrl: 00-1F 7F 84-97 9B-9F
- * punct: 21-2F 3A-40 5B-60 7B-7E A1-A3 A5 A7-AB B0-B3 B5-B7 B9-BD BF-CF D1-DD DF-EF F1-FD
- * Oddly, none there are listed as alphas, though some represent alphabetics
- * http://www.nntp.perl.org/group/perl.perl5.porters/2013/02/msg198753.html */
-#define isNAME_C_OR_POSIX(name) ((name) != NULL \
- && ((*(name) == 'C' && (*(name + 1)) == '\0') \
- || strEQ((name), "POSIX")))
void
Perl_new_numeric(pTHX_ const char *newnum)
{
-#ifdef USE_LOCALE_NUMERIC
+
+#ifndef USE_LOCALE_NUMERIC
+
+ PERL_UNUSED_ARG(newnum);
+
+#else
/* Called after all libc setlocale() calls affecting LC_NUMERIC, to tell
* core Perl this and that 'newnum' is the name of the new locale.
* It installs this locale as the current underlying default.
*
* The default locale and the C locale can be toggled between by use of the
- * set_numeric_local() and set_numeric_standard() functions, which should
- * probably not be called directly, but only via macros like
+ * set_numeric_underlying() and set_numeric_standard() functions, which
+ * should probably not be called directly, but only via macros like
* SET_NUMERIC_STANDARD() in perl.h.
*
* The toggling is necessary mainly so that a non-dot radix decimal point
*
* This sets several interpreter-level variables:
* PL_numeric_name The underlying locale's name: a copy of 'newnum'
- * PL_numeric_local A boolean indicating if the toggled state is such
+ * PL_numeric_underlying A boolean indicating if the toggled state is such
* that the current locale is the program's underlying
* locale
* PL_numeric_standard An int indicating if the toggled state is such
Safefree(PL_numeric_name);
PL_numeric_name = NULL;
PL_numeric_standard = TRUE;
- PL_numeric_local = TRUE;
+ PL_numeric_underlying = TRUE;
return;
}
save_newnum = stdize_locale(savepv(newnum));
PL_numeric_standard = isNAME_C_OR_POSIX(save_newnum);
- PL_numeric_local = TRUE;
+ PL_numeric_underlying = TRUE;
if (! PL_numeric_name || strNE(PL_numeric_name, save_newnum)) {
Safefree(PL_numeric_name);
* need the underlying locale change to it temporarily). */
set_numeric_standard();
- set_numeric_radix();
-
-#else
- PERL_UNUSED_ARG(newnum);
#endif /* USE_LOCALE_NUMERIC */
+
}
void
Perl_set_numeric_standard(pTHX)
{
+
#ifdef USE_LOCALE_NUMERIC
+
/* Toggle the LC_NUMERIC locale to C. Most code should use the macros like
* SET_NUMERIC_STANDARD() in perl.h instead of calling this directly. The
* macro avoids calling this routine if toggling isn't necessary according
* to our records (which could be wrong if some XS code has changed the
* locale behind our back) */
- setlocale(LC_NUMERIC, "C");
+ do_setlocale_c(LC_NUMERIC, "C");
PL_numeric_standard = TRUE;
- PL_numeric_local = isNAME_C_OR_POSIX(PL_numeric_name);
- set_numeric_radix();
-#ifdef DEBUGGING
+ PL_numeric_underlying = isNAME_C_OR_POSIX(PL_numeric_name);
+ set_numeric_radix(0);
+
+# ifdef DEBUGGING
+
if (DEBUG_L_TEST || debug_initialization) {
PerlIO_printf(Perl_debug_log,
- "Underlying LC_NUMERIC locale now is C\n");
+ "LC_NUMERIC locale now is standard C\n");
}
-#endif
+# endif
#endif /* USE_LOCALE_NUMERIC */
+
}
void
-Perl_set_numeric_local(pTHX)
+Perl_set_numeric_underlying(pTHX)
{
+
#ifdef USE_LOCALE_NUMERIC
+
/* Toggle the LC_NUMERIC locale to the current underlying default. Most
- * code should use the macros like SET_NUMERIC_LOCAL() in perl.h instead of
- * calling this directly. The macro avoids calling this routine if
- * toggling isn't necessary according to our records (which could be wrong
- * if some XS code has changed the locale behind our back) */
+ * code should use the macros like SET_NUMERIC_UNDERLYING() in perl.h
+ * instead of calling this directly. The macro avoids calling this routine
+ * if toggling isn't necessary according to our records (which could be
+ * wrong if some XS code has changed the locale behind our back) */
- setlocale(LC_NUMERIC, PL_numeric_name);
+ do_setlocale_c(LC_NUMERIC, PL_numeric_name);
PL_numeric_standard = isNAME_C_OR_POSIX(PL_numeric_name);
- PL_numeric_local = TRUE;
- set_numeric_radix();
-#ifdef DEBUGGING
+ PL_numeric_underlying = TRUE;
+ set_numeric_radix(1);
+
+# ifdef DEBUGGING
+
if (DEBUG_L_TEST || debug_initialization) {
PerlIO_printf(Perl_debug_log,
- "Underlying LC_NUMERIC locale now is %s\n",
+ "LC_NUMERIC locale now is %s\n",
PL_numeric_name);
}
-#endif
+# endif
#endif /* USE_LOCALE_NUMERIC */
+
}
/*
STATIC void
S_new_ctype(pTHX_ const char *newctype)
{
-#ifdef USE_LOCALE_CTYPE
+
+#ifndef USE_LOCALE_CTYPE
+
+ PERL_ARGS_ASSERT_NEW_CTYPE;
+ PERL_UNUSED_ARG(newctype);
+ PERL_UNUSED_CONTEXT;
+
+#else
/* Called after all libc setlocale() calls affecting LC_CTYPE, to tell
* core Perl this and that 'newctype' is the name of the new locale.
* nowadays. It isn't a problem for most controls to be changed
* into something else; we check only \n and \t, though perhaps \r
* could be an issue as well. */
- if (check_for_problems
+ if ( check_for_problems
&& (isGRAPH_A(i) || isBLANK_A(i) || i == '\n'))
{
- if ((isALPHANUMERIC_A(i) && ! isALPHANUMERIC_LC(i))
+ if (( isALPHANUMERIC_A(i) && ! isALPHANUMERIC_LC(i))
|| (isPUNCT_A(i) && ! isPUNCT_LC(i))
|| (isBLANK_A(i) && ! isBLANK_LC(i))
|| (i == '\n' && ! isCNTRL_LC(i)))
}
}
-#ifdef MB_CUR_MAX
+# ifdef MB_CUR_MAX
+
/* We only handle single-byte locales (outside of UTF-8 ones; so if
* this locale requires more than one byte, there are going to be
* problems. */
{
multi_byte_locale = TRUE;
}
-#endif
+
+# endif
if (bad_count || multi_byte_locale) {
PL_warn_locale = Perl_newSVpvf(aTHX_
* here is transparent to this function's caller */
const char * const badlocale = savepv(newctype);
- setlocale(LC_CTYPE, "C");
+ do_setlocale_c(LC_CTYPE, "C");
/* The '0' below suppresses a bogus gcc compiler warning */
Perl_warner(aTHX_ packWARN(WARN_LOCALE), SvPVX(PL_warn_locale), 0);
- setlocale(LC_CTYPE, badlocale);
+ do_setlocale_c(LC_CTYPE, badlocale);
Safefree(badlocale);
if (IN_LC(LC_CTYPE)) {
}
#endif /* USE_LOCALE_CTYPE */
- PERL_ARGS_ASSERT_NEW_CTYPE;
- PERL_UNUSED_ARG(newctype);
- PERL_UNUSED_CONTEXT;
+
}
void
STATIC void
S_new_collate(pTHX_ const char *newcoll)
{
-#ifdef USE_LOCALE_COLLATE
+
+#ifndef USE_LOCALE_COLLATE
+
+ PERL_UNUSED_ARG(newcoll);
+ PERL_UNUSED_CONTEXT;
+
+#else
/* Called after all libc setlocale() calls affecting LC_COLLATE, to tell
* core Perl this and that 'newcoll' is the name of the new locale.
*
- * Any code changing the locale (outside this file) should use
- * POSIX::setlocale, which calls this function. Therefore this function
- * should be called directly only from this file and from
- * POSIX::setlocale().
- *
* The design of locale collation is that every locale change is given an
* index 'PL_collation_ix'. The first time a string particpates in an
* operation that requires collation while locale collation is active, it
PL_collxfrm_base = base + 1;
}
-#ifdef DEBUGGING
+# ifdef DEBUGGING
+
if (DEBUG_L_TEST || debug_initialization) {
PerlIO_printf(Perl_debug_log,
"%s:%d: ?UTF-8 locale=%d; x_len_shorter=%zu, "
x_len_shorter, x_len_longer,
PL_collxfrm_mult, PL_collxfrm_base);
}
-#endif
+# endif
+
}
}
-#else
- PERL_UNUSED_ARG(newcoll);
#endif /* USE_LOCALE_COLLATE */
-}
-
-#ifndef WIN32 /* No wrapper except on Windows */
-#define my_setlocale(a,b) setlocale(a,b)
+}
-#else /* WIN32 */
+#ifdef WIN32
STATIC char *
-S_my_setlocale(pTHX_ int category, const char* locale)
+S_win32_setlocale(pTHX_ int category, const char* locale)
{
/* This, for Windows, emulates POSIX setlocale() behavior. There is no
- * difference unless the input locale is "", which means on Windows to get
- * the machine default, which is set via the computer's "Regional and
- * Language Options" (or its current equivalent). In POSIX, it instead
- * means to find the locale from the user's environment. This routine
- * looks in the environment, and, if anything is found, uses that instead
- * of going to the machine default. If there is no environment override,
- * the machine default is used, as normal, by calling the real setlocale()
- * with "". The POSIX behavior is to use the LC_ALL variable if set;
- * otherwise to use the particular category's variable if set; otherwise to
- * use the LANG variable. */
+ * difference between the two unless the input locale is "", which normally
+ * means on Windows to get the machine default, which is set via the
+ * computer's "Regional and Language Options" (or its current equivalent).
+ * In POSIX, it instead means to find the locale from the user's
+ * environment. This routine changes the Windows behavior to first look in
+ * the environment, and, if anything is found, use that instead of going to
+ * the machine default. If there is no environment override, the machine
+ * default is used, by calling the real setlocale() with "".
+ *
+ * The POSIX behavior is to use the LC_ALL variable if set; otherwise to
+ * use the particular category's variable if set; otherwise to use the LANG
+ * variable. */
bool override_LC_ALL = FALSE;
char * result;
+ unsigned int i;
if (locale && strEQ(locale, "")) {
-# ifdef LC_ALL
+
+# ifdef LC_ALL
+
locale = PerlEnv_getenv("LC_ALL");
if (! locale) {
-#endif
- switch (category) {
-# ifdef LC_ALL
- case LC_ALL:
- override_LC_ALL = TRUE;
- break; /* We already know its variable isn't set */
-# endif
-# ifdef USE_LOCALE_TIME
- case LC_TIME:
- locale = PerlEnv_getenv("LC_TIME");
- break;
-# endif
-# ifdef USE_LOCALE_CTYPE
- case LC_CTYPE:
- locale = PerlEnv_getenv("LC_CTYPE");
- break;
-# endif
-# ifdef USE_LOCALE_COLLATE
- case LC_COLLATE:
- locale = PerlEnv_getenv("LC_COLLATE");
- break;
-# endif
-# ifdef USE_LOCALE_MONETARY
- case LC_MONETARY:
- locale = PerlEnv_getenv("LC_MONETARY");
- break;
-# endif
-# ifdef USE_LOCALE_NUMERIC
- case LC_NUMERIC:
- locale = PerlEnv_getenv("LC_NUMERIC");
- break;
-# endif
-# ifdef USE_LOCALE_MESSAGES
- case LC_MESSAGES:
- locale = PerlEnv_getenv("LC_MESSAGES");
- break;
-# endif
- default:
- /* This is a category, like PAPER_SIZE that we don't
- * know about; and so can't provide a wrapper. */
- break;
+ if (category == LC_ALL) {
+ override_LC_ALL = TRUE;
}
- if (! locale) {
+ else {
+
+# endif
+
+ for (i = 0; i < NOMINAL_LC_ALL_INDEX; i++) {
+ if (category == categories[i]) {
+ locale = PerlEnv_getenv(category_names[i]);
+ goto found_locale;
+ }
+ }
+
locale = PerlEnv_getenv("LANG");
if (! locale) {
locale = "";
}
+
+ found_locale: ;
+
+# ifdef LC_ALL
+
}
-# ifdef LC_ALL
}
-# endif
+
+# endif
+
}
result = setlocale(category, locale);
* lower priority than the other LC_foo variables, so override it for each
* one that is set. (If they are set to "", it means to use the same thing
* we just set LC_ALL to, so can skip) */
-# ifdef USE_LOCALE_TIME
- result = PerlEnv_getenv("LC_TIME");
- if (result && strNE(result, "")) {
- setlocale(LC_TIME, result);
- DEBUG_Lv(PerlIO_printf(Perl_debug_log, "%s:%d: %s\n",
- __FILE__, __LINE__,
- setlocale_debug_string(LC_TIME, result, "not captured")));
- }
-# endif
-# ifdef USE_LOCALE_CTYPE
- result = PerlEnv_getenv("LC_CTYPE");
- if (result && strNE(result, "")) {
- setlocale(LC_CTYPE, result);
- DEBUG_Lv(PerlIO_printf(Perl_debug_log, "%s:%d: %s\n",
- __FILE__, __LINE__,
- setlocale_debug_string(LC_CTYPE, result, "not captured")));
- }
-# endif
-# ifdef USE_LOCALE_COLLATE
- result = PerlEnv_getenv("LC_COLLATE");
- if (result && strNE(result, "")) {
- setlocale(LC_COLLATE, result);
- DEBUG_Lv(PerlIO_printf(Perl_debug_log, "%s:%d: %s\n",
- __FILE__, __LINE__,
- setlocale_debug_string(LC_COLLATE, result, "not captured")));
- }
-# endif
-# ifdef USE_LOCALE_MONETARY
- result = PerlEnv_getenv("LC_MONETARY");
- if (result && strNE(result, "")) {
- setlocale(LC_MONETARY, result);
- DEBUG_Lv(PerlIO_printf(Perl_debug_log, "%s:%d: %s\n",
- __FILE__, __LINE__,
- setlocale_debug_string(LC_MONETARY, result, "not captured")));
- }
-# endif
-# ifdef USE_LOCALE_NUMERIC
- result = PerlEnv_getenv("LC_NUMERIC");
- if (result && strNE(result, "")) {
- setlocale(LC_NUMERIC, result);
- DEBUG_Lv(PerlIO_printf(Perl_debug_log, "%s:%d: %s\n",
- __FILE__, __LINE__,
- setlocale_debug_string(LC_NUMERIC, result, "not captured")));
- }
-# endif
-# ifdef USE_LOCALE_MESSAGES
- result = PerlEnv_getenv("LC_MESSAGES");
- if (result && strNE(result, "")) {
- setlocale(LC_MESSAGES, result);
- DEBUG_Lv(PerlIO_printf(Perl_debug_log, "%s:%d: %s\n",
- __FILE__, __LINE__,
- setlocale_debug_string(LC_MESSAGES, result, "not captured")));
- }
-# endif
+
+ for (i = 0; i < LC_ALL_INDEX; i++) {
+ result = PerlEnv_getenv(category_names[i]);
+ if (result && strNE(result, "")) {
+ setlocale(categories[i], result);
+ DEBUG_Lv(PerlIO_printf(Perl_debug_log, "%s:%d: %s\n",
+ __FILE__, __LINE__,
+ setlocale_debug_string(categories[i], result, "not captured")));
+ }
+ }
result = setlocale(LC_ALL, NULL);
DEBUG_L(PerlIO_printf(Perl_debug_log, "%s:%d: %s\n",
/* This wraps POSIX::setlocale() */
char * retval;
+ char * newlocale;
dTHX;
-
#ifdef USE_LOCALE_NUMERIC
/* A NULL locale means only query what the current one is. We
return savepv(PL_numeric_name);
}
-# ifdef LC_ALL
+# ifdef LC_ALL
else if (category == LC_ALL) {
SET_NUMERIC_UNDERLYING();
}
-# endif
+# endif
}
#endif
- retval = my_setlocale(category, locale);
+ /* Save retval since subsequent setlocale() calls may overwrite it. */
+ retval = savepv(do_setlocale_r(category, locale));
DEBUG_L(PerlIO_printf(Perl_debug_log,
"%s:%d: %s\n", __FILE__, __LINE__,
if (locale == 0) {
SET_NUMERIC_STANDARD();
}
+
return NULL;
}
- /* Save retval since subsequent setlocale() calls may overwrite it. */
- retval = savepv(retval);
-
/* If locale == NULL, we are just querying the state, but may have switched
* to NUMERIC_UNDERLYING. Switch back before returning. */
if (locale == NULL) {
SET_NUMERIC_STANDARD();
return retval;
}
- else { /* Now that have switched locales, we have to update our records to
- correspond */
-
-#ifdef USE_LOCALE_CTYPE
- if ( category == LC_CTYPE
+ /* Now that have switched locales, we have to update our records to
+ * correspond. */
-# ifdef LC_ALL
-
- || category == LC_ALL
-
-# endif
-
- )
- {
- char *newctype;
-
-# ifdef LC_ALL
-
- if (category == LC_ALL) {
- newctype = setlocale(LC_CTYPE, NULL);
- DEBUG_Lv(PerlIO_printf(Perl_debug_log,
- "%s:%d: %s\n", __FILE__, __LINE__,
- setlocale_debug_string(LC_CTYPE, NULL, newctype)));
- }
- else
-
-# endif
+ switch (category) {
- newctype = retval;
- new_ctype(newctype);
- }
+#ifdef USE_LOCALE_CTYPE
-#endif /* USE_LOCALE_CTYPE */
+ case LC_CTYPE:
+ new_ctype(retval);
+ break;
+#endif
#ifdef USE_LOCALE_COLLATE
- if ( category == LC_COLLATE
-
-# ifdef LC_ALL
-
- || category == LC_ALL
-
-# endif
-
- )
- {
- char *newcoll;
-
-# ifdef LC_ALL
-
- if (category == LC_ALL) {
- newcoll = setlocale(LC_COLLATE, NULL);
- DEBUG_Lv(PerlIO_printf(Perl_debug_log,
- "%s:%d: %s\n", __FILE__, __LINE__,
- setlocale_debug_string(LC_COLLATE, NULL, newcoll)));
- }
- else
-
-# endif
-
- newcoll = retval;
- new_collate(newcoll);
- }
-
-#endif /* USE_LOCALE_COLLATE */
+ case LC_COLLATE:
+ new_collate(retval);
+ break;
+#endif
#ifdef USE_LOCALE_NUMERIC
- if ( category == LC_NUMERIC
+ case LC_NUMERIC:
+ new_numeric(retval);
+ break;
-# ifdef LC_ALL
+#endif
+#ifdef LC_ALL
- || category == LC_ALL
+ case LC_ALL:
-# endif
+ /* LC_ALL updates all the things we care about. The values may not
+ * be the same as 'retval', as the locale "" may have set things
+ * individually */
- )
- {
- char *newnum;
+# ifdef USE_LOCALE_CTYPE
-# ifdef LC_ALL
+ newlocale = do_setlocale_c(LC_CTYPE, NULL);
+ new_ctype(newlocale);
- if (category == LC_ALL) {
- newnum = setlocale(LC_NUMERIC, NULL);
- DEBUG_Lv(PerlIO_printf(Perl_debug_log,
- "%s:%d: %s\n", __FILE__, __LINE__,
- setlocale_debug_string(LC_NUMERIC, NULL, newnum)));
- }
- else
+# endif /* USE_LOCALE_CTYPE */
+# ifdef USE_LOCALE_COLLATE
-# endif
+ newlocale = do_setlocale_c(LC_COLLATE, NULL);
+ new_collate(newlocale);
- newnum = retval;
- new_numeric(newnum);
- }
+# endif
+# ifdef USE_LOCALE_NUMERIC
-#endif /* USE_LOCALE_NUMERIC */
+ newlocale = do_setlocale_c(LC_NUMERIC, NULL);
+ new_numeric(newlocale);
+# endif /* USE_LOCALE_NUMERIC */
+#endif /* LC_ALL */
+
+ default:
+ break;
}
return retval;
=for apidoc Perl_langinfo
-This is an (almostª) drop-in replacement for the system C<L<nl_langinfo(3)>>,
+This is an (almost ª) drop-in replacement for the system C<L<nl_langinfo(3)>>,
taking the same C<item> parameter values, and returning the same information.
But it is more thread-safe than regular C<nl_langinfo()>, and hides the quirks
of Perl's locale handling from your code, and can be used on systems that lack
=item *
-ªIt returns S<C<const char *>>, whereas plain C<nl_langinfo()> returns S<C<char
+ª It returns S<C<const char *>>, whereas plain C<nl_langinfo()> returns S<C<char
*>>, but you are (only by documentation) forbidden to write into the buffer.
By declaring this C<const>, the compiler enforces this restriction. The extra
C<const> is why this isn't an unequivocal drop-in replacement for
Perl_langinfo(const int item)
#endif
{
- bool toggle = TRUE;
+ return my_nl_langinfo(item, TRUE);
+}
+
+const char *
+#ifdef HAS_NL_LANGINFO
+S_my_nl_langinfo(const nl_item item, bool toggle)
+#else
+S_my_nl_langinfo(const int item, bool toggle)
+#endif
+{
+ dTHX;
-#if defined(HAS_NL_LANGINFO)
-# if ! defined(USE_ITHREADS)
+#if defined(HAS_NL_LANGINFO) /* nl_langinfo() is available. */
+#if ! defined(HAS_POSIX_2008_LOCALE)
- /* Single-thread, and nl_langinfo() is available. Call it, switching to
- * underlying LC_NUMERIC for those items dependent on it */
+ /* Here, use plain nl_langinfo(), switching to the underlying LC_NUMERIC
+ * for those items dependent on it. This must be copied to a buffer before
+ * switching back, as some systems destroy the buffer when setlocale() is
+ * called */
- const char * retval;
+ LOCALE_LOCK;
if (toggle) {
if (item == PERL_RADIXCHAR || item == PERL_THOUSEP) {
- setlocale(LC_NUMERIC, PL_numeric_name);
+ do_setlocale_c(LC_NUMERIC, PL_numeric_name);
}
else {
toggle = FALSE;
}
}
- retval = nl_langinfo(item);
+ save_to_buffer(nl_langinfo(item), &PL_langinfo_buf, &PL_langinfo_bufsize, 0);
if (toggle) {
- setlocale(LC_NUMERIC, "C");
+ do_setlocale_c(LC_NUMERIC, "C");
}
- return retval;
-
-
-# else
+ LOCALE_UNLOCK;
- /* Multi-threaded, with native nl_langinfo(). Use it, copying result to
- * per-thread buffer, and toggling LC_NUMERIC if necessary, all within a
- * crtical section */
+ return PL_langinfo_buf;
- dTHX;
+# else /* Use nl_langinfo_l(), avoiding both a mutex and changing the locale */
- LOCALE_LOCK;
+ bool do_free = FALSE;
+ locale_t cur = uselocale((locale_t) 0);
- if (toggle) {
- if (item == PERL_RADIXCHAR || item == PERL_THOUSEP) {
- setlocale(LC_NUMERIC, PL_numeric_name);
- }
- else {
- toggle = FALSE;
- }
+ if (cur == LC_GLOBAL_LOCALE) {
+ cur = duplocale(LC_GLOBAL_LOCALE);
+ do_free = TRUE;
}
- save_to_buffer(nl_langinfo(item), &PL_langinfo_buf, &PL_langinfo_bufsize, 0);
-
- if (toggle) {
- setlocale(LC_NUMERIC, "C");
+ if ( toggle
+ && (item == PERL_RADIXCHAR || item == PERL_THOUSEP))
+ {
+ cur = newlocale(LC_NUMERIC_MASK, PL_numeric_name, cur);
+ do_free = TRUE;
}
- LOCALE_UNLOCK;
+ save_to_buffer(nl_langinfo_l(item, cur),
+ &PL_langinfo_buf, &PL_langinfo_bufsize, 0);
+ if (do_free) {
+ freelocale(cur);
+ }
return PL_langinfo_buf;
-# endif
+# endif
#else /* Below, emulate nl_langinfo as best we can */
-
- dTHX;
-
# ifdef HAS_LOCALECONV
const struct lconv* lc;
LOCALE_LOCK;
if (toggle) {
- setlocale(LC_NUMERIC, PL_numeric_name);
+ do_setlocale_c(LC_NUMERIC, PL_numeric_name);
}
lc = localeconv();
if (! lc) {
retval = "";
}
- else switch (item) {
- case PERL_RADIXCHAR:
- if (! lc->decimal_point) {
- retval = "";
- }
- else {
- retval = lc->decimal_point;
- }
- break;
-
- case PERL_THOUSEP:
- if (! lc->thousands_sep || strEQ("", lc->thousands_sep)) {
- retval = "";
- }
- else {
- retval = lc->thousands_sep;
- }
- break;
-
- default:
- LOCALE_UNLOCK;
- Perl_croak(aTHX_ "panic: %s: %d: switch case: %d problem",
- __FILE__, __LINE__, item);
+ else {
+ retval = (item == PERL_RADIXCHAR)
+ ? lc->decimal_point
+ : lc->thousands_sep;
+ if (! retval) {
+ retval = "";
+ }
}
save_to_buffer(retval, &PL_langinfo_buf, &PL_langinfo_bufsize, 0);
if (toggle) {
- setlocale(LC_NUMERIC, "C");
+ do_setlocale_c(LC_NUMERIC, "C");
}
LOCALE_UNLOCK;
* and so are returned unconditionally; they may not be what the locale
* actually says, but should give good enough results for someone using
* them as formats (as opposed to trying to parse them to figure out
- * what the locale says). The other format ones are actually tested to
+ * what the locale says). The other format items are actually tested to
* verify they work on the platform */
case PERL_D_FMT: return "%x";
case PERL_T_FMT: return "%X";
* it. We look at, in order, LC_ALL, LANG, a system default locale (if we
* think there is one), and the ultimate fallback "C". This is all done in
* the same loop as above to avoid duplicating code, but it makes things
- * more complex. After the original failure, we add the fallback
- * possibilities to the list of locales to try, and iterate the loop
- * through them all until one succeeds.
+ * more complex. The 'trial_locales' array is initialized with just one
+ * element; it causes the behavior described in the paragraph above this to
+ * happen. If that fails, we add elements to 'trial_locales', and do extra
+ * loop iterations to cause the behavior described in this paragraph.
*
* On Ultrix, the locale MUST come from the environment, so there is
* preliminary code to set it. I (khw) am not sure that it is necessary,
int ok = 1;
-#if defined(USE_LOCALE)
-#ifdef USE_LOCALE_CTYPE
- char *curctype = NULL;
-#endif /* USE_LOCALE_CTYPE */
-#ifdef USE_LOCALE_COLLATE
- char *curcoll = NULL;
-#endif /* USE_LOCALE_COLLATE */
-#ifdef USE_LOCALE_NUMERIC
- char *curnum = NULL;
-#endif /* USE_LOCALE_NUMERIC */
-#ifdef __GLIBC__
+#ifndef USE_LOCALE
+
+ PERL_UNUSED_ARG(printwarn);
+
+#else /* USE_LOCALE */
+# ifdef __GLIBC__
+
const char * const language = savepv(PerlEnv_getenv("LANGUAGE"));
-#endif
+
+# endif
/* NULL uses the existing already set up locale */
const char * const setlocale_init = (PerlEnv_getenv("PERL_SKIP_LOCALE_INIT"))
const char * const lang = savepv(PerlEnv_getenv("LANG"));
bool setlocale_failure = FALSE;
unsigned int i;
- char *p;
/* A later getenv() could zap this, so only use here */
const char * const bad_lang_use_once = PerlEnv_getenv("PERL_BADLANG");
const bool locwarn = (printwarn > 1
- || (printwarn
- && (! bad_lang_use_once
+ || ( printwarn
+ && ( ! bad_lang_use_once
|| (
- /* disallow with "" or "0" */
- *bad_lang_use_once
- && strNE("0", bad_lang_use_once)))));
+ /* disallow with "" or "0" */
+ *bad_lang_use_once
+ && strNE("0", bad_lang_use_once)))));
bool done = FALSE;
- char * sl_result; /* return from setlocale() */
+ char * sl_result[NOMINAL_LC_ALL_INDEX + 1]; /* setlocale() return vals;
+ not copied so must be
+ looked at immediately */
+ char * curlocales[NOMINAL_LC_ALL_INDEX + 1]; /* current locale for given
+ category; should have been
+ copied so aren't volatile
+ */
char * locale_param;
-#ifdef WIN32
+
+# ifdef WIN32
+
/* In some systems you can find out the system default locale
* and use that as the fallback locale. */
-# define SYSTEM_DEFAULT_LOCALE
-#endif
-#ifdef SYSTEM_DEFAULT_LOCALE
+# define SYSTEM_DEFAULT_LOCALE
+# endif
+# ifdef SYSTEM_DEFAULT_LOCALE
+
const char *system_default_locale = NULL;
-#endif
-#ifdef DEBUGGING
+# endif
+
+# ifndef DEBUGGING
+# define DEBUG_LOCALE_INIT(a,b,c)
+# else
+
DEBUG_INITIALIZATION_set(cBOOL(PerlEnv_getenv("PERL_DEBUG_LOCALE_INIT")));
-# define DEBUG_LOCALE_INIT(category, locale, result) \
+
+# define DEBUG_LOCALE_INIT(category, locale, result) \
STMT_START { \
if (debug_initialization) { \
PerlIO_printf(Perl_debug_log, \
result)); \
} \
} STMT_END
-#else
-# define DEBUG_LOCALE_INIT(a,b,c)
-#endif
-#ifndef LOCALE_ENVIRON_REQUIRED
+/* Make sure the parallel arrays are properly set up */
+# ifdef USE_LOCALE_NUMERIC
+ assert(categories[LC_NUMERIC_INDEX] == LC_NUMERIC);
+ assert(strEQ(category_names[LC_NUMERIC_INDEX], "LC_NUMERIC"));
+# endif
+# ifdef USE_LOCALE_CTYPE
+ assert(categories[LC_CTYPE_INDEX] == LC_CTYPE);
+ assert(strEQ(category_names[LC_CTYPE_INDEX], "LC_CTYPE"));
+# endif
+# ifdef USE_LOCALE_COLLATE
+ assert(categories[LC_COLLATE_INDEX] == LC_COLLATE);
+ assert(strEQ(category_names[LC_COLLATE_INDEX], "LC_COLLATE"));
+# endif
+# ifdef USE_LOCALE_TIME
+ assert(categories[LC_TIME_INDEX] == LC_TIME);
+ assert(strEQ(category_names[LC_TIME_INDEX], "LC_TIME"));
+# endif
+# ifdef USE_LOCALE_MESSAGES
+ assert(categories[LC_MESSAGES_INDEX] == LC_MESSAGES);
+ assert(strEQ(category_names[LC_MESSAGES_INDEX], "LC_MESSAGES"));
+# endif
+# ifdef USE_LOCALE_MONETARY
+ assert(categories[LC_MONETARY_INDEX] == LC_MONETARY);
+ assert(strEQ(category_names[LC_MONETARY_INDEX], "LC_MONETARY"));
+# endif
+# ifdef LC_ALL
+ assert(categories[LC_ALL_INDEX] == LC_ALL);
+ assert(strEQ(category_names[LC_ALL_INDEX], "LC_ALL"));
+ assert(NOMINAL_LC_ALL_INDEX == LC_ALL_INDEX);
+# endif
+# endif /* DEBUGGING */
+# ifndef LOCALE_ENVIRON_REQUIRED
+
PERL_UNUSED_VAR(done);
PERL_UNUSED_VAR(locale_param);
-#else
+
+# else
/*
* Ultrix setlocale(..., "") fails if there are no environment
* variables from which to get a locale name.
*/
-# ifdef LC_ALL
+# ifdef LC_ALL
+
if (lang) {
- sl_result = my_setlocale(LC_ALL, setlocale_init);
- DEBUG_LOCALE_INIT(LC_ALL, setlocale_init, sl_result);
- if (sl_result)
+ sl_result[LC_ALL_INDEX] = do_setlocale_c(LC_ALL, setlocale_init);
+ DEBUG_LOCALE_INIT(LC_ALL, setlocale_init, sl_result[LC_ALL_INDEX]);
+ if (sl_result[LC_ALL_INDEX])
done = TRUE;
else
setlocale_failure = TRUE;
}
if (! setlocale_failure) {
-# ifdef USE_LOCALE_CTYPE
- locale_param = (! done && (lang || PerlEnv_getenv("LC_CTYPE")))
- ? setlocale_init
- : NULL;
- curctype = my_setlocale(LC_CTYPE, locale_param);
- DEBUG_LOCALE_INIT(LC_CTYPE, locale_param, sl_result);
- if (! curctype)
- setlocale_failure = TRUE;
- else
- curctype = savepv(curctype);
-# endif /* USE_LOCALE_CTYPE */
-# ifdef USE_LOCALE_COLLATE
- locale_param = (! done && (lang || PerlEnv_getenv("LC_COLLATE")))
- ? setlocale_init
- : NULL;
- curcoll = my_setlocale(LC_COLLATE, locale_param);
- DEBUG_LOCALE_INIT(LC_COLLATE, locale_param, sl_result);
- if (! curcoll)
- setlocale_failure = TRUE;
- else
- curcoll = savepv(curcoll);
-# endif /* USE_LOCALE_COLLATE */
-# ifdef USE_LOCALE_NUMERIC
- locale_param = (! done && (lang || PerlEnv_getenv("LC_NUMERIC")))
- ? setlocale_init
- : NULL;
- curnum = my_setlocale(LC_NUMERIC, locale_param);
- DEBUG_LOCALE_INIT(LC_NUMERIC, locale_param, sl_result);
- if (! curnum)
- setlocale_failure = TRUE;
- else
- curnum = savepv(curnum);
-# endif /* USE_LOCALE_NUMERIC */
-# ifdef USE_LOCALE_MESSAGES
- locale_param = (! done && (lang || PerlEnv_getenv("LC_MESSAGES")))
- ? setlocale_init
- : NULL;
- sl_result = my_setlocale(LC_MESSAGES, locale_param);
- DEBUG_LOCALE_INIT(LC_MESSAGES, locale_param, sl_result);
- if (! sl_result) {
- setlocale_failure = TRUE;
- }
-# endif /* USE_LOCALE_MESSAGES */
-# ifdef USE_LOCALE_MONETARY
- locale_param = (! done && (lang || PerlEnv_getenv("LC_MONETARY")))
- ? setlocale_init
- : NULL;
- sl_result = my_setlocale(LC_MONETARY, locale_param);
- DEBUG_LOCALE_INIT(LC_MONETARY, locale_param, sl_result);
- if (! sl_result) {
- setlocale_failure = TRUE;
+ for (i = 0; i < LC_ALL_INDEX; i++) {
+ locale_param = (! done && (lang || PerlEnv_getenv(category_names[i])))
+ ? setlocale_init
+ : NULL;
+ sl_result[i] = do_setlocale_r(categories[i], locale_param);
+ if (! sl_result[i]) {
+ setlocale_failure = TRUE;
+ }
+ DEBUG_LOCALE_INIT(categories[i], locale_param, sl_result[i]);
}
-# endif /* USE_LOCALE_MONETARY */
}
-# endif /* LC_ALL */
-
-#endif /* !LOCALE_ENVIRON_REQUIRED */
+# endif /* LC_ALL */
+# endif /* LOCALE_ENVIRON_REQUIRED */
/* We try each locale in the list until we get one that works, or exhaust
* the list. Normally the loop is executed just once. But if setting the
* will execute the loop multiple times */
trial_locales[0] = setlocale_init;
trial_locales_count = 1;
+
for (i= 0; i < trial_locales_count; i++) {
const char * trial_locale = trial_locales[i];
* sense */
setlocale_failure = FALSE;
-#ifdef SYSTEM_DEFAULT_LOCALE
-# ifdef WIN32
+# ifdef SYSTEM_DEFAULT_LOCALE
+# ifdef WIN32
+
/* On Windows machines, an entry of "" after the 0th means to use
* the system default locale, which we now proceed to get. */
if (strEQ(trial_locale, "")) {
/* Note that this may change the locale, but we are going to do
* that anyway just below */
- system_default_locale = setlocale(LC_ALL, "");
+ system_default_locale = do_setlocale_c(LC_ALL, "");
DEBUG_LOCALE_INIT(LC_ALL, "", system_default_locale);
- /* Skip if invalid or it's already on the list of locales to
+ /* Skip if invalid or if it's already on the list of locales to
* try */
if (! system_default_locale) {
goto next_iteration;
trial_locale = system_default_locale;
}
-# endif /* WIN32 */
-#endif /* SYSTEM_DEFAULT_LOCALE */
+# endif /* WIN32 */
+# endif /* SYSTEM_DEFAULT_LOCALE */
}
-#ifdef LC_ALL
- sl_result = my_setlocale(LC_ALL, trial_locale);
- DEBUG_LOCALE_INIT(LC_ALL, trial_locale, sl_result);
- if (! sl_result) {
+# ifdef LC_ALL
+
+ sl_result[LC_ALL_INDEX] = do_setlocale_c(LC_ALL, trial_locale);
+ DEBUG_LOCALE_INIT(LC_ALL, trial_locale, sl_result[LC_ALL_INDEX]);
+ if (! sl_result[LC_ALL_INDEX]) {
setlocale_failure = TRUE;
}
else {
* setlocales below just return their category's current values.
* This adequately handles the case in NetBSD where LC_COLLATE may
* not be defined for a locale, and setting it individually will
- * fail, whereas setting LC_ALL suceeds, leaving LC_COLLATE set to
+ * fail, whereas setting LC_ALL succeeds, leaving LC_COLLATE set to
* the POSIX locale. */
trial_locale = NULL;
}
-#endif /* LC_ALL */
- if (!setlocale_failure) {
-#ifdef USE_LOCALE_CTYPE
- Safefree(curctype);
- curctype = my_setlocale(LC_CTYPE, trial_locale);
- DEBUG_LOCALE_INIT(LC_CTYPE, trial_locale, curctype);
- if (! curctype)
- setlocale_failure = TRUE;
- else
- curctype = savepv(curctype);
-#endif /* USE_LOCALE_CTYPE */
-#ifdef USE_LOCALE_COLLATE
- Safefree(curcoll);
- curcoll = my_setlocale(LC_COLLATE, trial_locale);
- DEBUG_LOCALE_INIT(LC_COLLATE, trial_locale, curcoll);
- if (! curcoll)
- setlocale_failure = TRUE;
- else
- curcoll = savepv(curcoll);
-#endif /* USE_LOCALE_COLLATE */
-#ifdef USE_LOCALE_NUMERIC
- Safefree(curnum);
- curnum = my_setlocale(LC_NUMERIC, trial_locale);
- DEBUG_LOCALE_INIT(LC_NUMERIC, trial_locale, curnum);
- if (! curnum)
- setlocale_failure = TRUE;
- else
- curnum = savepv(curnum);
-#endif /* USE_LOCALE_NUMERIC */
-#ifdef USE_LOCALE_MESSAGES
- sl_result = my_setlocale(LC_MESSAGES, trial_locale);
- DEBUG_LOCALE_INIT(LC_MESSAGES, trial_locale, sl_result);
- if (! (sl_result))
- setlocale_failure = TRUE;
-#endif /* USE_LOCALE_MESSAGES */
-#ifdef USE_LOCALE_MONETARY
- sl_result = my_setlocale(LC_MONETARY, trial_locale);
- DEBUG_LOCALE_INIT(LC_MONETARY, trial_locale, sl_result);
- if (! (sl_result))
- setlocale_failure = TRUE;
-#endif /* USE_LOCALE_MONETARY */
+# endif /* LC_ALL */
- if (! setlocale_failure) { /* Success */
- break;
+ if (! setlocale_failure) {
+ unsigned int j;
+ for (j = 0; j < NOMINAL_LC_ALL_INDEX; j++) {
+ curlocales[j]
+ = savepv(do_setlocale_r(categories[j], trial_locale));
+ if (! curlocales[j]) {
+ setlocale_failure = TRUE;
+ }
+ DEBUG_LOCALE_INIT(categories[j], trial_locale, curlocales[j]);
+ }
+
+ if (! setlocale_failure) { /* All succeeded */
+ break; /* Exit trial_locales loop */
}
}
unsigned int j;
if (locwarn) { /* Output failure info only on the first one */
-#ifdef LC_ALL
+
+# ifdef LC_ALL
PerlIO_printf(Perl_error_log,
"perl: warning: Setting locale failed.\n");
-#else /* !LC_ALL */
+# else /* !LC_ALL */
PerlIO_printf(Perl_error_log,
"perl: warning: Setting locale failed for the categories:\n\t");
-# ifdef USE_LOCALE_CTYPE
- if (! curctype)
- PerlIO_printf(Perl_error_log, "LC_CTYPE ");
-# endif /* USE_LOCALE_CTYPE */
-# ifdef USE_LOCALE_COLLATE
- if (! curcoll)
- PerlIO_printf(Perl_error_log, "LC_COLLATE ");
-# endif /* USE_LOCALE_COLLATE */
-# ifdef USE_LOCALE_NUMERIC
- if (! curnum)
- PerlIO_printf(Perl_error_log, "LC_NUMERIC ");
-# endif /* USE_LOCALE_NUMERIC */
+
+ for (j = 0; j < NOMINAL_LC_ALL_INDEX; j++) {
+ if (! curlocales[j]) {
+ PerlIO_printf(Perl_error_log, category_names[j]);
+ }
+ else {
+ Safefree(curlocales[j]);
+ }
+ }
+
PerlIO_printf(Perl_error_log, "and possibly others\n");
-#endif /* LC_ALL */
+# endif /* LC_ALL */
PerlIO_printf(Perl_error_log,
"perl: warning: Please check that your locale settings:\n");
-#ifdef __GLIBC__
+# ifdef __GLIBC__
+
PerlIO_printf(Perl_error_log,
"\tLANGUAGE = %c%s%c,\n",
language ? '"' : '(',
language ? language : "unset",
language ? '"' : ')');
-#endif
+# endif
PerlIO_printf(Perl_error_log,
"\tLC_ALL = %c%s%c,\n",
lc_all ? lc_all : "unset",
lc_all ? '"' : ')');
-#if defined(USE_ENVIRON_ARRAY)
+# if defined(USE_ENVIRON_ARRAY)
+
{
- char **e;
- for (e = environ; *e; e++) {
- if (strEQs(*e, "LC_")
- && strNEs(*e, "LC_ALL=")
- && (p = strchr(*e, '=')))
- PerlIO_printf(Perl_error_log, "\t%.*s = \"%s\",\n",
- (int)(p - *e), *e, p + 1);
- }
+ char **e;
+
+ /* Look through the environment for any variables of the
+ * form qr/ ^ LC_ [A-Z]+ = /x, except LC_ALL which was
+ * already handled above. These are assumed to be locale
+ * settings. Output them and their values. */
+ for (e = environ; *e; e++) {
+ const STRLEN prefix_len = sizeof("LC_") - 1;
+ STRLEN uppers_len;
+
+ if ( strBEGINs(*e, "LC_")
+ && ! strBEGINs(*e, "LC_ALL=")
+ && (uppers_len = strspn(*e + prefix_len,
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"))
+ && ((*e)[prefix_len + uppers_len] == '='))
+ {
+ PerlIO_printf(Perl_error_log, "\t%.*s = \"%s\",\n",
+ (int) (prefix_len + uppers_len), *e,
+ *e + prefix_len + uppers_len + 1);
+ }
+ }
}
-#else
+
+# else
+
PerlIO_printf(Perl_error_log,
"\t(possibly more locale environment variables)\n");
-#endif
+
+# endif
PerlIO_printf(Perl_error_log,
"\tLANG = %c%s%c\n",
}
done_lang:
-#if defined(WIN32) && defined(LC_ALL)
+# if defined(WIN32) && defined(LC_ALL)
+
/* For Windows, we also try the system default locale before "C".
* (If there exists a Windows without LC_ALL we skip this because
* it gets too complicated. For those, the "C" is the next
* the array, but the code at the loop above knows to treat it
* differently when not the 0th */
trial_locales[trial_locales_count++] = "";
-#endif
+
+# endif
for (j = 0; j < trial_locales_count; j++) {
if (strEQ("C", trial_locales[j])) {
done_C: ;
} /* end of first time through the loop */
-#ifdef WIN32
+# ifdef WIN32
+
next_iteration: ;
-#endif
+
+# endif
} /* end of looping through the trial locales */
msg = "Falling back to";
}
else { /* fallback failed */
+ unsigned int j;
/* We dropped off the end of the loop, so have to decrement i to
* get back to the value the last time through */
msg = "Failed to fall back to";
/* To continue, we should use whatever values we've got */
-#ifdef USE_LOCALE_CTYPE
- Safefree(curctype);
- curctype = savepv(setlocale(LC_CTYPE, NULL));
- DEBUG_LOCALE_INIT(LC_CTYPE, NULL, curctype);
-#endif /* USE_LOCALE_CTYPE */
-#ifdef USE_LOCALE_COLLATE
- Safefree(curcoll);
- curcoll = savepv(setlocale(LC_COLLATE, NULL));
- DEBUG_LOCALE_INIT(LC_COLLATE, NULL, curcoll);
-#endif /* USE_LOCALE_COLLATE */
-#ifdef USE_LOCALE_NUMERIC
- Safefree(curnum);
- curnum = savepv(setlocale(LC_NUMERIC, NULL));
- DEBUG_LOCALE_INIT(LC_NUMERIC, NULL, curnum);
-#endif /* USE_LOCALE_NUMERIC */
+
+ for (j = 0; j < NOMINAL_LC_ALL_INDEX; j++) {
+ Safefree(curlocales[j]);
+ curlocales[j] = savepv(do_setlocale_r(categories[j], NULL));
+ DEBUG_LOCALE_INIT(categories[j], NULL, curlocales[j]);
+ }
}
if (locwarn) {
description = "the standard locale";
name = "C";
}
-#ifdef SYSTEM_DEFAULT_LOCALE
+
+# ifdef SYSTEM_DEFAULT_LOCALE
+
else if (strEQ(trial_locales[i], "")) {
description = "the system default locale";
if (system_default_locale) {
name = system_default_locale;
}
}
-#endif /* SYSTEM_DEFAULT_LOCALE */
+
+# endif /* SYSTEM_DEFAULT_LOCALE */
+
else {
description = "a fallback locale";
name = trial_locales[i];
}
} /* End of tried to fallback */
-#ifdef USE_LOCALE_CTYPE
- new_ctype(curctype);
-#endif /* USE_LOCALE_CTYPE */
+ /* Done with finding the locales; update our records */
-#ifdef USE_LOCALE_COLLATE
- new_collate(curcoll);
-#endif /* USE_LOCALE_COLLATE */
+# ifdef USE_LOCALE_CTYPE
-#ifdef USE_LOCALE_NUMERIC
- new_numeric(curnum);
-#endif /* USE_LOCALE_NUMERIC */
+ new_ctype(curlocales[LC_CTYPE_INDEX]);
+
+# endif
+# ifdef USE_LOCALE_COLLATE
+
+ new_collate(curlocales[LC_COLLATE_INDEX]);
+
+# endif
+# ifdef USE_LOCALE_NUMERIC
+
+ new_numeric(curlocales[LC_NUMERIC_INDEX]);
+
+# endif
+
+
+ for (i = 0; i < NOMINAL_LC_ALL_INDEX; i++) {
+ Safefree(curlocales[i]);
+ }
+
+# if defined(USE_PERLIO) && defined(USE_LOCALE_CTYPE)
-#if defined(USE_PERLIO) && defined(USE_LOCALE_CTYPE)
/* Set PL_utf8locale to TRUE if using PerlIO _and_ the current LC_CTYPE
* locale is UTF-8. If PL_utf8locale and PL_unicode (set by -C or by
* $ENV{PERL_UNICODE}) are true, perl.c:S_parse_body() will turn on the
if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG)
PL_utf8cache = -1;
}
-#endif
-#ifdef USE_LOCALE_CTYPE
- Safefree(curctype);
-#endif /* USE_LOCALE_CTYPE */
-#ifdef USE_LOCALE_COLLATE
- Safefree(curcoll);
-#endif /* USE_LOCALE_COLLATE */
-#ifdef USE_LOCALE_NUMERIC
- Safefree(curnum);
-#endif /* USE_LOCALE_NUMERIC */
+# endif
+# ifdef __GLIBC__
-#ifdef __GLIBC__
Safefree(language);
-#endif
+
+# endif
Safefree(lc_all);
Safefree(lang);
-#else /* !USE_LOCALE */
- PERL_UNUSED_ARG(printwarn);
#endif /* USE_LOCALE */
-
#ifdef DEBUGGING
+
/* So won't continue to output stuff */
DEBUG_INITIALIZATION_set(FALSE);
+
#endif
return ok;
* otherwise contain that character, but otherwise there may be
* less-than-perfect results with that character and NUL. This is
* unavoidable unless we replace strxfrm with our own implementation. */
- if (s_strlen < len) { /* Only execute if there is an embedded NUL */
+ if (UNLIKELY(s_strlen < len)) { /* Only execute if there is an embedded
+ NUL */
char * e = s + len;
char * sans_nuls;
STRLEN sans_nuls_len;
- STRLEN sans_nuls_pos;
int try_non_controls;
char this_replacement_char[] = "?\0"; /* Room for a two-byte string,
making sure 2nd byte is NUL.
sans_nuls_len = (len * this_replacement_len) + 1;
Newx(sans_nuls, sans_nuls_len, char);
*sans_nuls = '\0';
- sans_nuls_pos = 0;
/* Replace each NUL with the lowest collating control. Loop until have
* exhausted all the NULs */
while (s + s_strlen < e) {
- sans_nuls_pos = my_strlcat(sans_nuls + sans_nuls_pos,
- s,
- sans_nuls_len);
+ my_strlcat(sans_nuls, s, sans_nuls_len);
/* Do the actual replacement */
- sans_nuls_pos = my_strlcat(sans_nuls + sans_nuls_pos,
- this_replacement_char,
- sans_nuls_len);
+ my_strlcat(sans_nuls, this_replacement_char, sans_nuls_len);
/* Move past the input NUL */
s += s_strlen + 1;
}
/* And add anything that trails the final NUL */
- my_strlcat(sans_nuls + sans_nuls_pos, s, sans_nuls_len);
+ my_strlcat(sans_nuls, s, sans_nuls_len);
/* Switch so below we transform this modified string */
s = sans_nuls;
* length 1 strings, as we can't be sure that it's a real slope
* change */
if (length_in_chars > 1 && new_m > PL_collxfrm_mult) {
-#ifdef DEBUGGING
+
+# ifdef DEBUGGING
+
STRLEN old_m = PL_collxfrm_mult;
STRLEN old_b = PL_collxfrm_base;
-#endif
+
+# endif
+
PL_collxfrm_mult = new_m;
PL_collxfrm_base = 1; /* +1 For trailing NUL */
computed_guess = PL_collxfrm_base
xAlloc += (xAlloc / 4) + 1;
PL_strxfrm_is_behaved = FALSE;
-#ifdef DEBUGGING
+# ifdef DEBUGGING
+
if (DEBUG_Lv_TEST || debug_initialization) {
PerlIO_printf(Perl_debug_log,
"_mem_collxfrm required more space than previously calculated"
PL_collation_name, (int) COLLXFRM_HDR_LEN,
xAlloc - COLLXFRM_HDR_LEN);
}
-#endif
+
+# endif
+
}
Renew(xbuf, xAlloc, char);
}
-#ifdef DEBUGGING
+# ifdef DEBUGGING
+
if (DEBUG_Lv_TEST || debug_initialization) {
print_collxfrm_input_and_return(s, s + len, xlen, utf8);
_byte_dump_string((U8 *) xbuf + COLLXFRM_HDR_LEN,
*xlen, 1));
}
-#endif
+
+# endif
/* Free up unneeded space; retain ehough for trailing NUL */
Renew(xbuf, COLLXFRM_HDR_LEN + *xlen + 1, char);
Safefree(s);
}
*xlen = 0;
-#ifdef DEBUGGING
+
+# ifdef DEBUGGING
+
if (DEBUG_Lv_TEST || debug_initialization) {
print_collxfrm_input_and_return(s, s + len, NULL, utf8);
}
-#endif
+
+# endif
+
return NULL;
}
-#ifdef DEBUGGING
+# ifdef DEBUGGING
STATIC void
S_print_collxfrm_input_and_return(pTHX_
PerlIO_printf(Perl_debug_log, "_mem_collxfrm[%" UVuf "]: returning ",
(UV)PL_collation_ix);
if (xlen) {
- PerlIO_printf(Perl_debug_log, "%" UVuf, (UV) *xlen);
+ PerlIO_printf(Perl_debug_log, "%zu", *xlen);
}
else {
PerlIO_printf(Perl_debug_log, "NULL");
}
}
-#endif /* #ifdef DEBUGGING */
-
+# endif /* #ifdef DEBUGGING */
#endif /* USE_LOCALE_COLLATE */
#ifdef USE_LOCALE
char *save_input_locale = NULL;
STRLEN final_pos;
-#ifdef LC_ALL
+# ifdef LC_ALL
+
assert(category != LC_ALL);
-#endif
+
+# endif
/* First dispose of the trivial cases */
- save_input_locale = setlocale(category, NULL);
+ save_input_locale = do_setlocale_r(category, NULL);
if (! save_input_locale) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Could not find current locale for category %d\n",
return FALSE;
}
-#if defined(USE_LOCALE_CTYPE) \
+# if defined(USE_LOCALE_CTYPE) \
&& (defined(MB_CUR_MAX) || (defined(HAS_NL_LANGINFO) && defined(CODESET)))
{ /* Next try nl_langinfo or MB_CUR_MAX if available */
if (category != LC_CTYPE) { /* These work only on LC_CTYPE */
/* Get the current LC_CTYPE locale */
- save_ctype_locale = setlocale(LC_CTYPE, NULL);
+ save_ctype_locale = do_setlocale_c(LC_CTYPE, NULL);
if (! save_ctype_locale) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Could not find current locale for LC_CTYPE\n"));
Safefree(save_ctype_locale);
save_ctype_locale = NULL;
}
- else if (! setlocale(LC_CTYPE, save_input_locale)) {
+ else if (! do_setlocale_c(LC_CTYPE, save_input_locale)) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Could not change LC_CTYPE locale to %s\n",
save_input_locale));
* information is desired. This means that nl_langinfo() and MB_CUR_MAX
* should give the correct results */
-# if defined(HAS_NL_LANGINFO) && defined(CODESET)
+# if defined(HAS_NL_LANGINFO) && defined(CODESET)
+ /* The task is easiest if has this POSIX 2001 function */
+
{
- char *codeset = nl_langinfo(CODESET);
- if (codeset && strNE(codeset, "")) {
- codeset = savepv(codeset);
+ const char *codeset = my_nl_langinfo(PERL_CODESET, FALSE);
+ /* FALSE => already in dest locale */
+
+ DEBUG_L(PerlIO_printf(Perl_debug_log,
+ "\tnllanginfo returned CODESET '%s'\n", codeset));
+ if (codeset && strNE(codeset, "")) {
/* If we switched LC_CTYPE, switch back */
if (save_ctype_locale) {
- setlocale(LC_CTYPE, save_ctype_locale);
+ do_setlocale_c(LC_CTYPE, save_ctype_locale);
Safefree(save_ctype_locale);
}
- is_utf8 = foldEQ(codeset, STR_WITH_LEN("UTF-8"))
- || foldEQ(codeset, STR_WITH_LEN("UTF8"));
+ is_utf8 = ( ( strlen(codeset) == STRLENs("UTF-8")
+ && foldEQ(codeset, STR_WITH_LEN("UTF-8")))
+ || ( strlen(codeset) == STRLENs("UTF8")
+ && foldEQ(codeset, STR_WITH_LEN("UTF8"))));
DEBUG_L(PerlIO_printf(Perl_debug_log,
"\tnllanginfo returned CODESET '%s'; ?UTF8 locale=%d\n",
codeset, is_utf8));
- Safefree(codeset);
Safefree(save_input_locale);
return is_utf8;
}
}
-# endif
-# ifdef MB_CUR_MAX
+# endif
+# ifdef MB_CUR_MAX
/* Here, either we don't have nl_langinfo, or it didn't return a
* codeset. Try MB_CUR_MAX */
Safefree(save_input_locale);
-# ifdef HAS_MBTOWC
+# ifdef HAS_MBTOWC
/* ... But, most system that have MB_CUR_MAX will also have mbtowc(),
* since they are both in the C99 standard. We can feed a known byte
* result */
if (is_utf8) {
wchar_t wc;
+ int len;
+
PERL_UNUSED_RESULT(mbtowc(&wc, NULL, 0));/* Reset any shift state */
errno = 0;
- if ((size_t)mbtowc(&wc, HYPHEN_UTF8, strlen(HYPHEN_UTF8))
- != strlen(HYPHEN_UTF8)
- || wc != (wchar_t) 0x2010)
+ len = mbtowc(&wc, STR_WITH_LEN(REPLACEMENT_CHARACTER_UTF8));
+
+
+ if ( len != STRLENs(REPLACEMENT_CHARACTER_UTF8)
+ || wc != (wchar_t) UNICODE_REPLACEMENT)
{
is_utf8 = FALSE;
- DEBUG_L(PerlIO_printf(Perl_debug_log, "\thyphen=U+%x\n", (unsigned int)wc));
+ DEBUG_L(PerlIO_printf(Perl_debug_log, "\replacement=U+%x\n",
+ (unsigned int)wc));
DEBUG_L(PerlIO_printf(Perl_debug_log,
"\treturn from mbtowc=%d; errno=%d; ?UTF8 locale=0\n",
- mbtowc(&wc, HYPHEN_UTF8, strlen(HYPHEN_UTF8)), errno));
+ len, errno));
}
}
-# endif
+
+# endif
/* If we switched LC_CTYPE, switch back */
if (save_ctype_locale) {
- setlocale(LC_CTYPE, save_ctype_locale);
+ do_setlocale_c(LC_CTYPE, save_ctype_locale);
Safefree(save_ctype_locale);
}
return is_utf8;
-# endif
+
+# endif
+
}
cant_use_nllanginfo:
-#else /* nl_langinfo should work if available, so don't bother compiling this
+# else /* nl_langinfo should work if available, so don't bother compiling this
fallback code. The final fallback of looking at the name is
compiled, and will be executed if nl_langinfo fails */
* too, as the odds of a non-UTF8 string being valid UTF-8 are quite small
* */
-#ifdef HAS_LOCALECONV
-# ifdef USE_LOCALE_MONETARY
+# ifdef HAS_LOCALECONV
+# ifdef USE_LOCALE_MONETARY
+
{
char *save_monetary_locale = NULL;
bool only_ascii = FALSE;
if (category != LC_MONETARY) {
- save_monetary_locale = setlocale(LC_MONETARY, NULL);
+ save_monetary_locale = do_setlocale_c(LC_MONETARY, NULL);
if (! save_monetary_locale) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Could not find current locale for LC_MONETARY\n"));
Safefree(save_monetary_locale);
save_monetary_locale = NULL;
}
- else if (! setlocale(LC_MONETARY, save_input_locale)) {
+ else if (! do_setlocale_c(LC_MONETARY, save_input_locale)) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Could not change LC_MONETARY locale to %s\n",
save_input_locale));
/* If we changed it, restore LC_MONETARY to its original locale */
if (save_monetary_locale) {
- setlocale(LC_MONETARY, save_monetary_locale);
+ do_setlocale_c(LC_MONETARY, save_monetary_locale);
Safefree(save_monetary_locale);
}
}
cant_use_monetary:
-# endif /* USE_LOCALE_MONETARY */
-#endif /* HAS_LOCALECONV */
+# endif /* USE_LOCALE_MONETARY */
+# endif /* HAS_LOCALECONV */
-#if defined(HAS_STRFTIME) && defined(USE_LOCALE_TIME)
+# if defined(HAS_STRFTIME) && defined(USE_LOCALE_TIME)
/* Still haven't found a non-ASCII string to disambiguate UTF-8 or not. Try
* the names of the months and weekdays, timezone, and am/pm indicator */
if (category != LC_TIME) {
- save_time_locale = setlocale(LC_TIME, NULL);
+ save_time_locale = do_setlocale_c(LC_TIME, NULL);
if (! save_time_locale) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Could not find current locale for LC_TIME\n"));
Safefree(save_time_locale);
save_time_locale = NULL;
}
- else if (! setlocale(LC_TIME, save_input_locale)) {
+ else if (! do_setlocale_c(LC_TIME, save_input_locale)) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Could not change LC_TIME locale to %s\n",
save_input_locale));
for (i = 0; i < 7 + 12; i++) { /* 7 days; 12 months */
formatted_time = my_strftime("%A %B %Z %p",
- 0, 0, hour, dom, month, 112, 0, 0, is_dst);
+ 0, 0, hour, dom, month, 2012 - 1900, 0, 0, is_dst);
if ( ! formatted_time
|| is_utf8_invariant_string((U8 *) formatted_time, 0))
{
* false otherwise. But first, restore LC_TIME to its original
* locale if we changed it */
if (save_time_locale) {
- setlocale(LC_TIME, save_time_locale);
+ do_setlocale_c(LC_TIME, save_time_locale);
Safefree(save_time_locale);
}
* ASCII. Go on to the next test. If we changed it, restore LC_TIME
* to its original locale */
if (save_time_locale) {
- setlocale(LC_TIME, save_time_locale);
+ do_setlocale_c(LC_TIME, save_time_locale);
Safefree(save_time_locale);
}
DEBUG_L(PerlIO_printf(Perl_debug_log, "All time-related words for %s contain only ASCII; can't use for determining if UTF-8 locale\n", save_input_locale));
}
cant_use_time:
-#endif
+# endif
-#if 0 && defined(USE_LOCALE_MESSAGES) && defined(HAS_SYS_ERRLIST)
+# if 0 && defined(USE_LOCALE_MESSAGES) && defined(HAS_SYS_ERRLIST)
/* This code is ifdefd out because it was found to not be necessary in testing
* on our dromedary test machine, which has over 700 locales. There, this
if (category != LC_MESSAGES) {
- save_messages_locale = setlocale(LC_MESSAGES, NULL);
+ save_messages_locale = do_setlocale_c(LC_MESSAGES, NULL);
if (! save_messages_locale) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Could not find current locale for LC_MESSAGES\n"));
Safefree(save_messages_locale);
save_messages_locale = NULL;
}
- else if (! setlocale(LC_MESSAGES, save_input_locale)) {
+ else if (! do_setlocale_c(LC_MESSAGES, save_input_locale)) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Could not change LC_MESSAGES locale to %s\n",
save_input_locale));
/* And, if we changed it, restore LC_MESSAGES to its original locale */
if (save_messages_locale) {
- setlocale(LC_MESSAGES, save_messages_locale);
+ do_setlocale_c(LC_MESSAGES, save_messages_locale);
Safefree(save_messages_locale);
}
}
cant_use_messages:
-#endif
-
-#endif /* the code that is compiled when no nl_langinfo */
+# endif
+# endif /* the code that is compiled when no nl_langinfo */
-#ifndef EBCDIC /* On os390, even if the name ends with "UTF-8', it isn't a
+# ifndef EBCDIC /* On os390, even if the name ends with "UTF-8', it isn't a
UTF-8 locale */
+
/* As a last resort, look at the locale name to see if it matches
* qr/UTF -? * 8 /ix, or some other common locale names. This "name", the
* return of setlocale(), is actually defined to be opaque, so we can't
while ((name += strcspn(name, "Uu") + 1)
<= save_input_locale + final_pos - 2)
{
- if (!isALPHA_FOLD_NE(*name, 't')
+ if ( isALPHA_FOLD_NE(*name, 't')
|| isALPHA_FOLD_NE(*(name + 1), 'f'))
{
continue;
"Locale %s doesn't end with UTF-8 in name\n",
save_input_locale));
}
-#endif
-#ifdef WIN32
+# endif
+# ifdef WIN32
+
/* http://msdn.microsoft.com/en-us/library/windows/desktop/dd317756.aspx */
- if (final_pos >= 4
- && *(save_input_locale + final_pos - 0) == '1'
- && *(save_input_locale + final_pos - 1) == '0'
- && *(save_input_locale + final_pos - 2) == '0'
- && *(save_input_locale + final_pos - 3) == '5'
- && *(save_input_locale + final_pos - 4) == '6')
- {
+ if (memENDs(save_input_locale, final_pos, "65001")) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
- "Locale %s ends with 10056 in name, is UTF-8 locale\n",
+ "Locale %s ends with 65001 in name, is UTF-8 locale\n",
save_input_locale));
Safefree(save_input_locale);
return TRUE;
}
-#endif
+
+# endif
/* Other common encodings are the ISO 8859 series, which aren't UTF-8. But
* since we are about to return FALSE anyway, there is no point in doing
* this extra work */
-#if 0
+
+# if 0
if (instr(save_input_locale, "8859")) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Locale %s has 8859 in name, not UTF-8 locale\n",
Safefree(save_input_locale);
return FALSE;
}
-#endif
+# endif
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Assuming locale %s is not a UTF-8 locale\n",
# if defined(HAS_POSIX_2008_LOCALE) && defined(HAS_STRERROR_L)
- /* This function is trivial if we have strerror_l() */
+ /* This function is trivial if we don't have to worry about thread safety
+ * and have strerror_l(), as it handles the switch of locales so we don't
+ * have to deal with that. We don't have to worry about thread safety if
+ * this is an unthreaded build, or if strerror_r() is also available. Both
+ * it and strerror_l() are thread-safe. Plain strerror() isn't thread
+ * safe. But on threaded builds when strerror_r() is available, the
+ * apparent call to strerror() below is actually a macro that
+ * behind-the-scenes calls strerror_r().
+ */
+
+# if ! defined(USE_ITHREADS) || defined(HAS_STRERROR_R)
if (within_locale_scope) {
- errstr = strerror(errnum);
+ errstr = savepv(strerror(errnum));
}
else {
- errstr = strerror_l(errnum, PL_C_locale_obj);
+ errstr = savepv(strerror_l(errnum, PL_C_locale_obj));
+ }
+
+# else
+
+ /* Here we have strerror_l(), but not strerror_r() and we are on a
+ * threaded-build. We use strerror_l() for everything, constructing a
+ * locale to pass to it if necessary */
+
+ bool do_free = FALSE;
+ locale_t locale_to_use;
+
+ if (within_locale_scope) {
+ locale_to_use = uselocale((locale_t) 0);
+ if (locale_to_use == LC_GLOBAL_LOCALE) {
+ locale_to_use = duplocale(LC_GLOBAL_LOCALE);
+ do_free = TRUE;
+ }
+ }
+ else { /* Use C locale if not within 'use locale' scope */
+ locale_to_use = PL_C_locale_obj;
}
- errstr = savepv(errstr);
+ errstr = savepv(strerror_l(errnum, locale_to_use));
-# else /* Doesn't have strerror_l(). */
+ if (do_free) {
+ freelocale(locale_to_use);
+ }
+
+# endif
+# else /* Doesn't have strerror_l() */
# ifdef USE_POSIX_2008_LOCALE
# else /* Not thread-safe build */
- save_locale = setlocale(LC_MESSAGES, NULL);
+ save_locale = do_setlocale_c(LC_MESSAGES, NULL);
if (! save_locale) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"setlocale failed, errno=%d\n", errno));
/* The setlocale() just below likely will zap 'save_locale', so
* create a copy. */
save_locale = savepv(save_locale);
- setlocale(LC_MESSAGES, "C");
+ do_setlocale_c(LC_MESSAGES, "C");
}
}
# else
if (save_locale && ! locale_is_C) {
- if (! setlocale(LC_MESSAGES, save_locale)) {
+ if (! do_setlocale_c(LC_MESSAGES, save_locale)) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"setlocale restore failed, errno=%d\n", errno));
}
void
Perl_sync_locale(pTHX)
{
+ char * newlocale;
#ifdef USE_LOCALE_CTYPE
- new_ctype(setlocale(LC_CTYPE, NULL));
-#endif /* USE_LOCALE_CTYPE */
+ newlocale = do_setlocale_c(LC_CTYPE, NULL);
+ DEBUG_Lv(PerlIO_printf(Perl_debug_log,
+ "%s:%d: %s\n", __FILE__, __LINE__,
+ setlocale_debug_string(LC_CTYPE, NULL, newlocale)));
+ new_ctype(newlocale);
+
+#endif /* USE_LOCALE_CTYPE */
#ifdef USE_LOCALE_COLLATE
- new_collate(setlocale(LC_COLLATE, NULL));
-#endif
+ newlocale = do_setlocale_c(LC_COLLATE, NULL);
+ DEBUG_Lv(PerlIO_printf(Perl_debug_log,
+ "%s:%d: %s\n", __FILE__, __LINE__,
+ setlocale_debug_string(LC_COLLATE, NULL, newlocale)));
+ new_collate(newlocale);
+
+#endif
#ifdef USE_LOCALE_NUMERIC
- set_numeric_local(); /* Switch from "C" to underlying LC_NUMERIC */
- new_numeric(setlocale(LC_NUMERIC, NULL));
+
+ newlocale = do_setlocale_c(LC_NUMERIC, NULL);
+ DEBUG_Lv(PerlIO_printf(Perl_debug_log,
+ "%s:%d: %s\n", __FILE__, __LINE__,
+ setlocale_debug_string(LC_NUMERIC, NULL, newlocale)));
+ new_numeric(newlocale);
+
#endif /* USE_LOCALE_NUMERIC */
}
static char ret[128] = "If you can read this, thank your buggy C"
" library strlcpy(), and change your hints file"
" to undef it";
+ unsigned int i;
+
+# ifdef LC_ALL
+
+ const unsigned int highest_index = LC_ALL_INDEX;
+
+# else
+
+ const unsigned int highest_index = NOMINAL_LC_ALL_INDEX - 1;
+
+#endif
+
+
my_strlcpy(ret, "setlocale(", sizeof(ret));
- switch (category) {
- default:
- my_snprintf(ret, sizeof(ret), "%s? %d", ret, category);
- break;
-# ifdef LC_ALL
- case LC_ALL:
- my_strlcat(ret, "LC_ALL", sizeof(ret));
- break;
-# endif
-# ifdef LC_CTYPE
- case LC_CTYPE:
- my_strlcat(ret, "LC_CTYPE", sizeof(ret));
- break;
-# endif
-# ifdef LC_NUMERIC
- case LC_NUMERIC:
- my_strlcat(ret, "LC_NUMERIC", sizeof(ret));
- break;
-# endif
-# ifdef LC_COLLATE
- case LC_COLLATE:
- my_strlcat(ret, "LC_COLLATE", sizeof(ret));
- break;
-# endif
-# ifdef LC_TIME
- case LC_TIME:
- my_strlcat(ret, "LC_TIME", sizeof(ret));
- break;
-# endif
-# ifdef LC_MONETARY
- case LC_MONETARY:
- my_strlcat(ret, "LC_MONETARY", sizeof(ret));
- break;
-# endif
-# ifdef LC_MESSAGES
- case LC_MESSAGES:
- my_strlcat(ret, "LC_MESSAGES", sizeof(ret));
- break;
-# endif
+ /* Look for category in our list, and if found, add its name */
+ for (i = 0; i <= highest_index; i++) {
+ if (category == categories[i]) {
+ my_strlcat(ret, category_names[i], sizeof(ret));
+ goto found_category;
+ }
}
+ /* Unknown category to us */
+ my_snprintf(ret, sizeof(ret), "%s? %d", ret, category);
+
+ found_category:
+
my_strlcat(ret, ", ", sizeof(ret));
if (locale) {