Note the possibility of sharing arenas between types.

[perl5.git] / locale.c

diff --git a/locale.c b/locale.c
index 55da8b1..9cd82b8 100644 (file)
--- a/locale.c
+++ b/locale.c
@@ -1,7 +1,7 @@
 /*    locale.c
  *
- *    Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- *    2000, 2001, 2002, 2003, 2005, 2006, by Larry Wall and others
+ *    Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ *    2001, 2002, 2003, 2005, 2006, 2007, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -56,6 +56,8 @@ S_stdize_locale(pTHX_ char *locs)
     const char * const s = strchr(locs, '=');
     bool okay = TRUE;
 
+    PERL_ARGS_ASSERT_STDIZE_LOCALE;
+
     if (s) {
        const char * const t = strchr(s, '.');
        okay = FALSE;
@@ -88,7 +90,7 @@ Perl_set_numeric_radix(pTHX)
     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 = Nullsv;
+           PL_numeric_radix_sv = NULL;
        }
        else {
            if (PL_numeric_radix_sv)
@@ -98,7 +100,7 @@ Perl_set_numeric_radix(pTHX)
        }
     }
     else
-       PL_numeric_radix_sv = Nullsv;
+       PL_numeric_radix_sv = NULL;
 # endif /* HAS_LOCALECONV */
 #endif /* USE_LOCALE_NUMERIC */
 }
@@ -174,6 +176,8 @@ Perl_new_ctype(pTHX_ const char *newctype)
     dVAR;
     int i;
 
+    PERL_ARGS_ASSERT_NEW_CTYPE;
+
     for (i = 0; i < 256; i++) {
        if (isUPPER_LC(i))
            PL_fold_locale[i] = toLOWER_LC(i);
@@ -184,7 +188,9 @@ Perl_new_ctype(pTHX_ const char *newctype)
     }
 
 #endif /* USE_LOCALE_CTYPE */
+    PERL_ARGS_ASSERT_NEW_CTYPE;
     PERL_UNUSED_ARG(newctype);
+    PERL_UNUSED_CONTEXT;
 }
 
 /*
@@ -283,28 +289,31 @@ Perl_init_i18nl10n(pTHX_ int printwarn)
     }
     if (!setlocale_failure) {
 #ifdef USE_LOCALE_CTYPE
+       Safefree(curctype);
        if (! (curctype =
               setlocale(LC_CTYPE,
                         (!done && (lang || PerlEnv_getenv("LC_CTYPE")))
-                                   ? "" : Nullch)))
+                                   ? "" : NULL)))
            setlocale_failure = TRUE;
        else
            curctype = savepv(curctype);
 #endif /* USE_LOCALE_CTYPE */
 #ifdef USE_LOCALE_COLLATE
+       Safefree(curcoll);
        if (! (curcoll =
               setlocale(LC_COLLATE,
                         (!done && (lang || PerlEnv_getenv("LC_COLLATE")))
-                                  ? "" : Nullch)))
+                                  ? "" : NULL)))
            setlocale_failure = TRUE;
        else
            curcoll = savepv(curcoll);
 #endif /* USE_LOCALE_COLLATE */
 #ifdef USE_LOCALE_NUMERIC
+       Safefree(curnum);
        if (! (curnum =
               setlocale(LC_NUMERIC,
                         (!done && (lang || PerlEnv_getenv("LC_NUMERIC")))
-                                 ? "" : Nullch)))
+                                 ? "" : NULL)))
            setlocale_failure = TRUE;
        else
            curnum = savepv(curnum);
@@ -322,18 +331,21 @@ Perl_init_i18nl10n(pTHX_ int printwarn)
 
     if (!setlocale_failure) {
 #ifdef USE_LOCALE_CTYPE
+       Safefree(curctype);
        if (! (curctype = setlocale(LC_CTYPE, "")))
            setlocale_failure = TRUE;
        else
            curctype = savepv(curctype);
 #endif /* USE_LOCALE_CTYPE */
 #ifdef USE_LOCALE_COLLATE
+       Safefree(curcoll);
        if (! (curcoll = setlocale(LC_COLLATE, "")))
            setlocale_failure = TRUE;
        else
            curcoll = savepv(curcoll);
 #endif /* USE_LOCALE_COLLATE */
 #ifdef USE_LOCALE_NUMERIC
+       Safefree(curnum);
        if (! (curnum = setlocale(LC_NUMERIC, "")))
            setlocale_failure = TRUE;
        else
@@ -454,13 +466,16 @@ Perl_init_i18nl10n(pTHX_ int printwarn)
 #endif /* ! LC_ALL */
 
 #ifdef USE_LOCALE_CTYPE
-       curctype = savepv(setlocale(LC_CTYPE, Nullch));
+       Safefree(curctype);
+       curctype = savepv(setlocale(LC_CTYPE, NULL));
 #endif /* USE_LOCALE_CTYPE */
 #ifdef USE_LOCALE_COLLATE
-       curcoll = savepv(setlocale(LC_COLLATE, Nullch));
+       Safefree(curcoll);
+       curcoll = savepv(setlocale(LC_COLLATE, NULL));
 #endif /* USE_LOCALE_COLLATE */
 #ifdef USE_LOCALE_NUMERIC
-       curnum = savepv(setlocale(LC_NUMERIC, Nullch));
+       Safefree(curnum);
+       curnum = savepv(setlocale(LC_NUMERIC, NULL));
 #endif /* USE_LOCALE_NUMERIC */
     }
     else {
@@ -533,6 +548,8 @@ Perl_init_i18nl10n(pTHX_ int printwarn)
     {
         const char *p = PerlEnv_getenv("PERL_UNICODE");
         PL_unicode = p ? parse_unicode_opts(&p) : 0;
+        if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG)
+            PL_utf8cache = -1;
     }
 #endif
 
@@ -565,6 +582,8 @@ Perl_mem_collxfrm(pTHX_ const char *s, STRLEN len, STRLEN *xlen)
     char *xbuf;
     STRLEN xAlloc, xin, xout; /* xalloc is a reserved word in VC */
 
+    PERL_ARGS_ASSERT_MEM_COLLXFRM;
+
     /* the first sizeof(collationix) bytes are used by sv_collxfrm(). */
     /* the +1 is for the terminating NUL. */
 
@@ -576,11 +595,11 @@ Perl_mem_collxfrm(pTHX_ const char *s, STRLEN len, STRLEN *xlen)
     *(U32*)xbuf = PL_collation_ix;
     xout = sizeof(PL_collation_ix);
     for (xin = 0; xin < len; ) {
-       SSize_t xused;
+       Size_t xused;
 
        for (;;) {
            xused = strxfrm(xbuf + xout, s + xin, xAlloc - xout);
-           if (xused == -1)
+           if (xused >= PERL_INT_MAX)
                goto bad;
            if ((STRLEN)xused < xAlloc - xout)
                break;