Perl_set_numeric_radix(pTHX)
{
#ifdef USE_LOCALE_NUMERIC
- dVAR;
# ifdef HAS_LOCALECONV
const struct lconv* const lc = localeconv();
#endif /* USE_LOCALE_NUMERIC */
}
+/* 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)
{
* dot.
*
* This sets several interpreter-level variables:
- * PL_numeric_name The default locale's name: a copy of 'newnum'
+ * PL_numeric_name The underlying locale's name: a copy of 'newnum'
* PL_numeric_local A boolean indicating if the toggled state is such
* that the current locale is the program's underlying
* locale
* POSIX::setlocale() */
char *save_newnum;
- dVAR;
if (! newnum) {
Safefree(PL_numeric_name);
PL_numeric_name = save_newnum;
}
- PL_numeric_standard = ((*save_newnum == 'C' && save_newnum[1] == '\0')
- || strEQ(save_newnum, "POSIX"));
+ PL_numeric_standard = isNAME_C_OR_POSIX(save_newnum);
PL_numeric_local = TRUE;
/* Keep LC_NUMERIC in the C locale. This is for XS modules, so they don't
set_numeric_radix();
+#else
+ PERL_UNUSED_ARG(newnum);
#endif /* USE_LOCALE_NUMERIC */
}
Perl_set_numeric_standard(pTHX)
{
#ifdef USE_LOCALE_NUMERIC
- dVAR;
-
- /* Toggle the LC_NUMERIC locale to C, if not already there. Probably
- * should use the macros like SET_NUMERIC_STANDARD() in perl.h instead of
- * calling this directly. */
-
- if (_NOT_IN_NUMERIC_STANDARD) {
- setlocale(LC_NUMERIC, "C");
- PL_numeric_standard = TRUE;
- PL_numeric_local = FALSE;
- set_numeric_radix();
- }
+ /* 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");
+ PL_numeric_standard = TRUE;
+ PL_numeric_local = isNAME_C_OR_POSIX(PL_numeric_name);
+ set_numeric_radix();
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Underlying LC_NUMERIC locale now is C\n"));
Perl_set_numeric_local(pTHX)
{
#ifdef USE_LOCALE_NUMERIC
- dVAR;
-
- /* Toggle the LC_NUMERIC locale to the current underlying default, if not
- * already there. Probably should use the macros like SET_NUMERIC_LOCAL()
- * in perl.h instead of calling this directly. */
-
- if (_NOT_IN_NUMERIC_LOCAL) {
- setlocale(LC_NUMERIC, PL_numeric_name);
- PL_numeric_standard = FALSE;
- PL_numeric_local = TRUE;
- set_numeric_radix();
- }
+ /* 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) */
+
+ setlocale(LC_NUMERIC, PL_numeric_name);
+ PL_numeric_standard = isNAME_C_OR_POSIX(PL_numeric_name);
+ PL_numeric_local = TRUE;
+ set_numeric_radix();
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Underlying LC_NUMERIC locale now is %s\n",
PL_numeric_name));
* should be called directly only from this file and from
* POSIX::setlocale() */
- dVAR;
-
if (! newcoll) {
if (PL_collation_name) {
++PL_collation_ix;
++PL_collation_ix;
Safefree(PL_collation_name);
PL_collation_name = stdize_locale(savepv(newcoll));
- PL_collation_standard = ((*newcoll == 'C' && newcoll[1] == '\0')
- || strEQ(newcoll, "POSIX"));
+ PL_collation_standard = isNAME_C_OR_POSIX(newcoll);
{
/* 2: at most so many chars ('a', 'b'). */
}
}
+#else
+ PERL_UNUSED_ARG(newcoll);
#endif /* USE_LOCALE_COLLATE */
}
int ok = 1;
#if defined(USE_LOCALE)
- dVAR;
-
#ifdef USE_LOCALE_CTYPE
char *curctype = NULL;
#endif /* USE_LOCALE_CTYPE */
char *p;
const bool locwarn = (printwarn > 1 ||
(printwarn &&
- (!(p = PerlEnv_getenv("PERL_BADLANG")) || atoi(p))));
+ (!(p = PerlEnv_getenv("PERL_BADLANG")) ||
+ grok_atou(p, NULL))));
bool done = FALSE;
#ifdef WIN32
/* In some systems you can find out the system default locale
Safefree(curnum);
#endif /* USE_LOCALE_NUMERIC */
+#else /* !USE_LOCALE */
+ PERL_UNUSED_ARG(printwarn);
#endif /* USE_LOCALE */
return ok;
char *
Perl_mem_collxfrm(pTHX_ const char *s, STRLEN len, STRLEN *xlen)
{
- dVAR;
char *xbuf;
STRLEN xAlloc, xin, xout; /* xalloc is a reserved word in VC */
/* Returns TRUE if the current locale for 'category' is UTF-8; FALSE
* otherwise. 'category' may not be LC_ALL. If the platform doesn't have
* nl_langinfo(), nor MB_CUR_MAX, this employs a heuristic, which hence
- * could give the wrong result. It errs on the side of not being a UTF-8
- * locale. */
+ * could give the wrong result. The result will very likely be correct for
+ * languages that have commonly used non-ASCII characters, but for notably
+ * English, it comes down to if the locale's name ends in something like
+ * "UTF-8". It errs on the side of not being a UTF-8 locale. */
char *save_input_locale = NULL;
STRLEN final_pos;
return FALSE; /* XXX maybe should croak */
}
save_input_locale = stdize_locale(savepv(save_input_locale));
- if ((*save_input_locale == 'C' && save_input_locale[1] == '\0')
- || strEQ(save_input_locale, "POSIX"))
- {
+ if (isNAME_C_OR_POSIX(save_input_locale)) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Current locale for category %d is %s\n",
category, save_input_locale));
if (category != LC_CTYPE) { /* These work only on LC_CTYPE */
/* Get the current LC_CTYPE locale */
- save_ctype_locale = stdize_locale(savepv(setlocale(LC_CTYPE, NULL)));
+ save_ctype_locale = setlocale(LC_CTYPE, NULL);
if (! save_ctype_locale) {
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Could not find current locale for LC_CTYPE\n"));
goto cant_use_nllanginfo;
}
+ save_ctype_locale = stdize_locale(savepv(save_ctype_locale));
/* If LC_CTYPE and the desired category use the same locale, this
* means that finding the value for LC_CTYPE is the same as finding
# if defined(HAS_NL_LANGINFO) && defined(CODESET)
{
- char *codeset = savepv(nl_langinfo(CODESET));
+ char *codeset = nl_langinfo(CODESET);
if (codeset && strNE(codeset, "")) {
+ codeset = savepv(codeset);
/* If we switched LC_CTYPE, switch back */
if (save_ctype_locale) {
Safefree(save_input_locale);
return is_utf8;
}
- Safefree(codeset);
}
# endif
* result */
if (is_utf8) {
wchar_t wc;
- GCC_DIAG_IGNORE(-Wunused-result);
- (void) mbtowc(&wc, NULL, 0); /* Reset any shift state */
- GCC_DIAG_RESTORE;
+ 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)
cant_use_nllanginfo:
-#endif /* HAS_NL_LANGINFO etc */
+#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 */
+
+ /* nl_langinfo not available or failed somehow. Next try looking at the
+ * currency symbol to see if it disambiguates things. Often that will be
+ * in the native script, and if the symbol isn't in UTF-8, we know that the
+ * locale isn't. If it is non-ASCII UTF-8, we infer that the locale is
+ * too, as the odds of a non-UTF8 string being valid UTF-8 are quite small
+ * */
+
+#ifdef HAS_LOCALECONV
+# ifdef USE_LOCALE_MONETARY
+ {
+ char *save_monetary_locale = NULL;
+ bool only_ascii = FALSE;
+ bool is_utf8 = FALSE;
+ struct lconv* lc;
+
+ /* Like above for LC_CTYPE, we first set LC_MONETARY to the locale of
+ * the desired category, if it isn't that locale already */
+
+ if (category != LC_MONETARY) {
+
+ save_monetary_locale = setlocale(LC_MONETARY, NULL);
+ if (! save_monetary_locale) {
+ DEBUG_L(PerlIO_printf(Perl_debug_log,
+ "Could not find current locale for LC_MONETARY\n"));
+ goto cant_use_monetary;
+ }
+ save_monetary_locale = stdize_locale(savepv(save_monetary_locale));
+
+ if (strEQ(save_monetary_locale, save_input_locale)) {
+ Safefree(save_monetary_locale);
+ save_monetary_locale = NULL;
+ }
+ else if (! setlocale(LC_MONETARY, save_input_locale)) {
+ DEBUG_L(PerlIO_printf(Perl_debug_log,
+ "Could not change LC_MONETARY locale to %s\n",
+ save_input_locale));
+ Safefree(save_monetary_locale);
+ goto cant_use_monetary;
+ }
+ }
+
+ /* Here the current LC_MONETARY is set to the locale of the category
+ * whose information is desired. */
+
+ lc = localeconv();
+ if (! lc
+ || ! lc->currency_symbol
+ || is_ascii_string((U8 *) lc->currency_symbol, 0))
+ {
+ DEBUG_L(PerlIO_printf(Perl_debug_log, "Couldn't get currency symbol for %s, or contains only ASCII; can't use for determining if UTF-8 locale\n", save_input_locale));
+ only_ascii = TRUE;
+ }
+ else {
+ is_utf8 = is_utf8_string((U8 *) lc->currency_symbol, 0);
+ }
+
+ /* If we changed it, restore LC_MONETARY to its original locale */
+ if (save_monetary_locale) {
+ setlocale(LC_MONETARY, save_monetary_locale);
+ Safefree(save_monetary_locale);
+ }
+
+ if (! only_ascii) {
+
+ /* It isn't a UTF-8 locale if the symbol is not legal UTF-8;
+ * otherwise assume the locale is UTF-8 if and only if the symbol
+ * is non-ascii UTF-8. */
+ DEBUG_L(PerlIO_printf(Perl_debug_log, "\t?Currency symbol for %s is UTF-8=%d\n",
+ save_input_locale, is_utf8));
+ Safefree(save_input_locale);
+ return is_utf8;
+ }
+ }
+ cant_use_monetary:
+
+# endif /* USE_LOCALE_MONETARY */
+#endif /* HAS_LOCALECONV */
+
+#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 */
+ {
+ char *save_time_locale = NULL;
+ int hour = 10;
+ bool is_dst = FALSE;
+ int dom = 1;
+ int month = 0;
+ int i;
+ char * formatted_time;
+
+
+ /* Like above for LC_MONETARY, we set LC_TIME to the locale of the
+ * desired category, if it isn't that locale already */
+
+ if (category != LC_TIME) {
+
+ save_time_locale = setlocale(LC_TIME, NULL);
+ if (! save_time_locale) {
+ DEBUG_L(PerlIO_printf(Perl_debug_log,
+ "Could not find current locale for LC_TIME\n"));
+ goto cant_use_time;
+ }
+ save_time_locale = stdize_locale(savepv(save_time_locale));
+
+ if (strEQ(save_time_locale, save_input_locale)) {
+ Safefree(save_time_locale);
+ save_time_locale = NULL;
+ }
+ else if (! setlocale(LC_TIME, save_input_locale)) {
+ DEBUG_L(PerlIO_printf(Perl_debug_log,
+ "Could not change LC_TIME locale to %s\n",
+ save_input_locale));
+ Safefree(save_time_locale);
+ goto cant_use_time;
+ }
+ }
+
+ /* Here the current LC_TIME is set to the locale of the category
+ * whose information is desired. Look at all the days of the week and
+ * month names, and the timezone and am/pm indicator for non-ASCII
+ * characters. The first such a one found will tell us if the locale
+ * is UTF-8 or not */
+
+ 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);
+ if (! formatted_time || is_ascii_string((U8 *) formatted_time, 0)) {
+
+ /* Here, we didn't find a non-ASCII. Try the next time through
+ * with the complemented dst and am/pm, and try with the next
+ * weekday. After we have gotten all weekdays, try the next
+ * month */
+ is_dst = ! is_dst;
+ hour = (hour + 12) % 24;
+ dom++;
+ if (i > 6) {
+ month++;
+ }
+ continue;
+ }
+
+ /* Here, we have a non-ASCII. Return TRUE is it is valid UTF8;
+ * 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);
+ Safefree(save_time_locale);
+ }
+
+ DEBUG_L(PerlIO_printf(Perl_debug_log, "\t?time-related strings for %s are UTF-8=%d\n",
+ save_input_locale,
+ is_utf8_string((U8 *) formatted_time, 0)));
+ Safefree(save_input_locale);
+ return is_utf8_string((U8 *) formatted_time, 0);
+ }
+
+ /* Falling off the end of the loop indicates all the names were just
+ * 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);
+ 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
+
+#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
+ * added no value to looking at the currency symbol and the time strings. I
+ * left it in so as to avoid rewriting it if real-world experience indicates
+ * that dromedary is an outlier. Essentially, instead of returning abpve if we
+ * haven't found illegal utf8, we continue on and examine all the strerror()
+ * messages on the platform for utf8ness. If all are ASCII, we still don't
+ * know the answer; but otherwise we have a pretty good indication of the
+ * utf8ness. The reason this doesn't help much is that the messages may not
+ * have been translated into the locale. The currency symbol and time strings
+ * are much more likely to have been translated. */
+ {
+ int e;
+ bool is_utf8 = FALSE;
+ bool non_ascii = FALSE;
+ char *save_messages_locale = NULL;
+ const char * errmsg = NULL;
+
+ /* Like above, we set LC_MESSAGES to the locale of the desired
+ * category, if it isn't that locale already */
- /* nl_langinfo not available or failed somehow. Look at the locale name to
- * see if it matches qr/UTF -? 8 /ix */
+ if (category != LC_MESSAGES) {
+
+ save_messages_locale = setlocale(LC_MESSAGES, NULL);
+ if (! save_messages_locale) {
+ DEBUG_L(PerlIO_printf(Perl_debug_log,
+ "Could not find current locale for LC_MESSAGES\n"));
+ goto cant_use_messages;
+ }
+ save_messages_locale = stdize_locale(savepv(save_messages_locale));
+
+ if (strEQ(save_messages_locale, save_input_locale)) {
+ Safefree(save_messages_locale);
+ save_messages_locale = NULL;
+ }
+ else if (! setlocale(LC_MESSAGES, save_input_locale)) {
+ DEBUG_L(PerlIO_printf(Perl_debug_log,
+ "Could not change LC_MESSAGES locale to %s\n",
+ save_input_locale));
+ Safefree(save_messages_locale);
+ goto cant_use_messages;
+ }
+ }
+
+ /* Here the current LC_MESSAGES is set to the locale of the category
+ * whose information is desired. Look through all the messages. We
+ * can't use Strerror() here because it may expand to code that
+ * segfaults in miniperl */
+
+ for (e = 0; e <= sys_nerr; e++) {
+ errno = 0;
+ errmsg = sys_errlist[e];
+ if (errno || !errmsg) {
+ break;
+ }
+ errmsg = savepv(errmsg);
+ if (! is_ascii_string((U8 *) errmsg, 0)) {
+ non_ascii = TRUE;
+ is_utf8 = is_utf8_string((U8 *) errmsg, 0);
+ break;
+ }
+ }
+ Safefree(errmsg);
+
+ /* And, if we changed it, restore LC_MESSAGES to its original locale */
+ if (save_messages_locale) {
+ setlocale(LC_MESSAGES, save_messages_locale);
+ Safefree(save_messages_locale);
+ }
+
+ if (non_ascii) {
+
+ /* Any non-UTF-8 message means not a UTF-8 locale; if all are valid,
+ * any non-ascii means it is one; otherwise we assume it isn't */
+ DEBUG_L(PerlIO_printf(Perl_debug_log, "\t?error messages for %s are UTF-8=%d\n",
+ save_input_locale,
+ is_utf8));
+ Safefree(save_input_locale);
+ return is_utf8;
+ }
+
+ DEBUG_L(PerlIO_printf(Perl_debug_log, "All error messages for %s contain only ASCII; can't use for determining if UTF-8 locale\n", save_input_locale));
+ }
+ cant_use_messages:
+
+#endif
+
+#endif /* the code that is compiled when no nl_langinfo */
+
+ /* 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
+ * really rely on the absence of various substrings in the name to indicate
+ * its UTF-8ness, but if it has UTF8 in the name, it is extremely likely to
+ * be a UTF-8 locale. Similarly for the other common names */
final_pos = strlen(save_input_locale) - 1;
if (final_pos >= 3) {
while ((name += strcspn(name, "Uu") + 1)
<= save_input_locale + final_pos - 2)
{
- if (toFOLD(*(name)) != 't'
- || toFOLD(*(name + 1)) != 'f')
+ if (!isALPHA_FOLD_NE(*name, 't')
+ || isALPHA_FOLD_NE(*(name + 1), 'f'))
{
continue;
}
name++;
}
if (*(name) == '8') {
- Safefree(save_input_locale);
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Locale %s ends with UTF-8 in name\n",
save_input_locale));
+ Safefree(save_input_locale);
return TRUE;
}
}
}
#endif
- /* Other common encodings are the ISO 8859 series, which aren't UTF-8 */
+ /* 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 (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;
}
-
-#ifdef HAS_LOCALECONV
-
-# ifdef USE_LOCALE_MONETARY
-
- /* Here, there is nothing in the locale name to indicate whether the locale
- * is UTF-8 or not. This "name", the return of setlocale(), is actually
- * defined to be opaque, so we can't really rely on the absence of various
- * substrings in the name to indicate its UTF-8ness. Look at the locale's
- * currency symbol. Often that will be in the native script, and if the
- * symbol isn't in UTF-8, we know that the locale isn't. If it is
- * non-ASCII UTF-8, we infer that the locale is too.
- * To do this, like above for LC_CTYPE, we first set LC_MONETARY to the
- * locale of the desired category, if it isn't that locale already */
-
- {
- char *save_monetary_locale = NULL;
- bool illegal_utf8 = FALSE;
- bool only_ascii = FALSE;
- const struct lconv* const lc = localeconv();
-
- if (category != LC_MONETARY) {
-
- save_monetary_locale = stdize_locale(savepv(setlocale(LC_MONETARY,
- NULL)));
- if (! save_monetary_locale) {
- DEBUG_L(PerlIO_printf(Perl_debug_log,
- "Could not find current locale for LC_MONETARY\n"));
- goto cant_use_monetary;
- }
-
- if (strNE(save_monetary_locale, save_input_locale)) {
- if (! setlocale(LC_MONETARY, save_input_locale)) {
- DEBUG_L(PerlIO_printf(Perl_debug_log,
- "Could not change LC_MONETARY locale to %s\n",
- save_input_locale));
- Safefree(save_monetary_locale);
- goto cant_use_monetary;
- }
- }
- }
-
- /* Here the current LC_MONETARY is set to the locale of the category
- * whose information is desired. */
-
- if (lc && lc->currency_symbol) {
- if (! is_utf8_string((U8 *) lc->currency_symbol, 0)) {
- DEBUG_L(PerlIO_printf(Perl_debug_log,
- "Currency symbol for %s is not legal UTF-8\n",
- save_input_locale));
- illegal_utf8 = TRUE;
- }
- else if (is_ascii_string((U8 *) lc->currency_symbol, 0)) {
- DEBUG_L(PerlIO_printf(Perl_debug_log, "Currency symbol for %s contains only ASCII; can't use for determining if UTF-8 locale\n", save_input_locale));
- only_ascii = TRUE;
- }
- }
-
- /* If we changed it, restore LC_MONETARY to its original locale */
- if (save_monetary_locale) {
- setlocale(LC_MONETARY, save_monetary_locale);
- Safefree(save_monetary_locale);
- }
-
- Safefree(save_input_locale);
-
- /* It isn't a UTF-8 locale if the symbol is not legal UTF-8; otherwise
- * assume the locale is UTF-8 if and only if the symbol is non-ascii
- * UTF-8. (We can't really tell if the locale is UTF-8 or not if the
- * symbol is just a '$', so we err on the side of it not being UTF-8)
- * */
- DEBUG_L(PerlIO_printf(Perl_debug_log, "\tis_utf8=%d\n", (illegal_utf8)
- ? FALSE
- : ! only_ascii));
- return (illegal_utf8)
- ? FALSE
- : ! only_ascii;
-
- }
- cant_use_monetary:
-
-# endif /* USE_LOCALE_MONETARY */
-#endif /* HAS_LOCALECONV */
-
+#endif
DEBUG_L(PerlIO_printf(Perl_debug_log,
"Assuming locale %s is not a UTF-8 locale\n",
#ifdef USE_LOCALE_MESSAGES
if (! IN_LC(LC_MESSAGES)) {
char * save_locale = setlocale(LC_MESSAGES, NULL);
- if (! ((*save_locale == 'C' && save_locale[1] == '\0')
- || strEQ(save_locale, "POSIX")))
- {
+ if (! isNAME_C_OR_POSIX(save_locale)) {
char *errstr;
/* The next setlocale likely will zap this, so create a copy */
}
/*
+
+=head1 Locale-related functions and macros
+
+=for apidoc sync_locale
+
+Changing the program's locale should be avoided by XS code. Nevertheless,
+certain non-Perl libraries called from XS, such as C<Gtk> do so. When this
+happens, Perl needs to be told that the locale has changed. Use this function
+to do so, before returning to Perl.
+
+=cut
+*/
+
+void
+Perl_sync_locale(pTHX)
+{
+
+#ifdef USE_LOCALE_CTYPE
+ new_ctype(setlocale(LC_CTYPE, NULL));
+#endif /* USE_LOCALE_CTYPE */
+
+#ifdef USE_LOCALE_COLLATE
+ new_collate(setlocale(LC_COLLATE, NULL));
+#endif
+
+#ifdef USE_LOCALE_NUMERIC
+ set_numeric_local(); /* Switch from "C" to underlying LC_NUMERIC */
+ new_numeric(setlocale(LC_NUMERIC, NULL));
+#endif /* USE_LOCALE_NUMERIC */
+
+}
+
+
+
+/*
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4
https://perl5.git.perl.org / perl5.git / blobdiff