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root |
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/* locale.c |
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* |
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* Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
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* 2000, 2001, 2002, 2003, 2005, by Larry Wall and others |
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* |
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* You may distribute under the terms of either the GNU General Public |
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* License or the Artistic License, as specified in the README file. |
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* |
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*/ |
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/* |
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* A Elbereth Gilthoniel, |
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* silivren penna míriel |
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* o menel aglar elenath! |
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* Na-chaered palan-díriel |
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* o galadhremmin ennorath, |
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* Fanuilos, le linnathon |
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* nef aear, si nef aearon! |
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*/ |
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/* utility functions for handling locale-specific stuff like what |
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* character represents the decimal point. |
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*/ |
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#include "EXTERN.h" |
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#define PERL_IN_LOCALE_C |
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#include "perl.h" |
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#ifdef I_LOCALE |
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# include <locale.h> |
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#endif |
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#ifdef I_LANGINFO |
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# include <langinfo.h> |
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#endif |
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#include "reentr.h" |
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/* |
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* Standardize the locale name from a string returned by 'setlocale'. |
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* |
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* The standard return value of setlocale() is either |
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* (1) "xx_YY" if the first argument of setlocale() is not LC_ALL |
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* (2) "xa_YY xb_YY ..." if the first argument of setlocale() is LC_ALL |
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* (the space-separated values represent the various sublocales, |
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* in some unspecificed order) |
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* |
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* In some platforms it has a form like "LC_SOMETHING=Lang_Country.866\n", |
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* which is harmful for further use of the string in setlocale(). |
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* |
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*/ |
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STATIC char * |
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S_stdize_locale(pTHX_ char *locs) |
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{ |
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char *s; |
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bool okay = TRUE; |
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if ((s = strchr(locs, '='))) { |
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char *t; |
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okay = FALSE; |
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if ((t = strchr(s, '.'))) { |
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char *u; |
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if ((u = strchr(t, '\n'))) { |
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if (u[1] == 0) { |
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STRLEN len = u - s; |
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Move(s + 1, locs, len, char); |
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locs[len] = 0; |
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okay = TRUE; |
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} |
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} |
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} |
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} |
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if (!okay) |
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Perl_croak(aTHX_ "Can't fix broken locale name \"%s\"", locs); |
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return locs; |
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} |
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void |
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Perl_set_numeric_radix(pTHX) |
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{ |
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#ifdef USE_LOCALE_NUMERIC |
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# ifdef HAS_LOCALECONV |
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struct lconv* lc; |
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lc = localeconv(); |
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if (lc && lc->decimal_point) { |
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if (lc->decimal_point[0] == '.' && lc->decimal_point[1] == 0) { |
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SvREFCNT_dec(PL_numeric_radix_sv); |
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PL_numeric_radix_sv = Nullsv; |
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} |
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else { |
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if (PL_numeric_radix_sv) |
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sv_setpv(PL_numeric_radix_sv, lc->decimal_point); |
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else |
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PL_numeric_radix_sv = newSVpv(lc->decimal_point, 0); |
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} |
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} |
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else |
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PL_numeric_radix_sv = Nullsv; |
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# endif /* HAS_LOCALECONV */ |
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#endif /* USE_LOCALE_NUMERIC */ |
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} |
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/* |
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* Set up for a new numeric locale. |
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*/ |
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void |
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Perl_new_numeric(pTHX_ char *newnum) |
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{ |
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#ifdef USE_LOCALE_NUMERIC |
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if (! newnum) { |
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if (PL_numeric_name) { |
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Safefree(PL_numeric_name); |
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PL_numeric_name = NULL; |
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} |
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PL_numeric_standard = TRUE; |
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PL_numeric_local = TRUE; |
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return; |
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} |
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if (! PL_numeric_name || strNE(PL_numeric_name, newnum)) { |
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Safefree(PL_numeric_name); |
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PL_numeric_name = stdize_locale(savepv(newnum)); |
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PL_numeric_standard = ((*newnum == 'C' && newnum[1] == '\0') |
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|| strEQ(newnum, "POSIX")); |
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PL_numeric_local = TRUE; |
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set_numeric_radix(); |
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} |
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#endif /* USE_LOCALE_NUMERIC */ |
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} |
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void |
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Perl_set_numeric_standard(pTHX) |
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{ |
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#ifdef USE_LOCALE_NUMERIC |
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if (! PL_numeric_standard) { |
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setlocale(LC_NUMERIC, "C"); |
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PL_numeric_standard = TRUE; |
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PL_numeric_local = FALSE; |
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set_numeric_radix(); |
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} |
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#endif /* USE_LOCALE_NUMERIC */ |
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} |
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void |
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Perl_set_numeric_local(pTHX) |
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{ |
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#ifdef USE_LOCALE_NUMERIC |
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if (! PL_numeric_local) { |
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setlocale(LC_NUMERIC, PL_numeric_name); |
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PL_numeric_standard = FALSE; |
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PL_numeric_local = TRUE; |
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set_numeric_radix(); |
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} |
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#endif /* USE_LOCALE_NUMERIC */ |
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} |
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/* |
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* Set up for a new ctype locale. |
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*/ |
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void |
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Perl_new_ctype(pTHX_ char *newctype) |
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{ |
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#ifdef USE_LOCALE_CTYPE |
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int i; |
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for (i = 0; i < 256; i++) { |
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if (isUPPER_LC(i)) |
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PL_fold_locale[i] = toLOWER_LC(i); |
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else if (isLOWER_LC(i)) |
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PL_fold_locale[i] = toUPPER_LC(i); |
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else |
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PL_fold_locale[i] = i; |
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} |
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#endif /* USE_LOCALE_CTYPE */ |
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} |
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/* |
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* Set up for a new collation locale. |
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*/ |
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void |
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Perl_new_collate(pTHX_ char *newcoll) |
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{ |
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#ifdef USE_LOCALE_COLLATE |
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if (! newcoll) { |
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if (PL_collation_name) { |
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++PL_collation_ix; |
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Safefree(PL_collation_name); |
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PL_collation_name = NULL; |
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} |
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PL_collation_standard = TRUE; |
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PL_collxfrm_base = 0; |
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PL_collxfrm_mult = 2; |
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return; |
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} |
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if (! PL_collation_name || strNE(PL_collation_name, newcoll)) { |
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++PL_collation_ix; |
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Safefree(PL_collation_name); |
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PL_collation_name = stdize_locale(savepv(newcoll)); |
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PL_collation_standard = ((*newcoll == 'C' && newcoll[1] == '\0') |
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|| strEQ(newcoll, "POSIX")); |
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{ |
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/* 2: at most so many chars ('a', 'b'). */ |
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/* 50: surely no system expands a char more. */ |
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#define XFRMBUFSIZE (2 * 50) |
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char xbuf[XFRMBUFSIZE]; |
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Size_t fa = strxfrm(xbuf, "a", XFRMBUFSIZE); |
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Size_t fb = strxfrm(xbuf, "ab", XFRMBUFSIZE); |
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SSize_t mult = fb - fa; |
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if (mult < 1) |
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Perl_croak(aTHX_ "strxfrm() gets absurd"); |
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PL_collxfrm_base = (fa > (Size_t)mult) ? (fa - mult) : 0; |
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PL_collxfrm_mult = mult; |
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} |
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} |
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#endif /* USE_LOCALE_COLLATE */ |
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} |
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/* |
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* Initialize locale awareness. |
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*/ |
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int |
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Perl_init_i18nl10n(pTHX_ int printwarn) |
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{ |
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int ok = 1; |
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/* returns |
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* 1 = set ok or not applicable, |
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* 0 = fallback to C locale, |
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* -1 = fallback to C locale failed |
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*/ |
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#if defined(USE_LOCALE) |
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#ifdef USE_LOCALE_CTYPE |
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char *curctype = NULL; |
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#endif /* USE_LOCALE_CTYPE */ |
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#ifdef USE_LOCALE_COLLATE |
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char *curcoll = NULL; |
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#endif /* USE_LOCALE_COLLATE */ |
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#ifdef USE_LOCALE_NUMERIC |
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char *curnum = NULL; |
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#endif /* USE_LOCALE_NUMERIC */ |
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#ifdef __GLIBC__ |
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char *language = PerlEnv_getenv("LANGUAGE"); |
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#endif |
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char *lc_all = PerlEnv_getenv("LC_ALL"); |
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char *lang = PerlEnv_getenv("LANG"); |
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bool setlocale_failure = FALSE; |
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#ifdef LOCALE_ENVIRON_REQUIRED |
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/* |
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* Ultrix setlocale(..., "") fails if there are no environment |
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* variables from which to get a locale name. |
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*/ |
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bool done = FALSE; |
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#ifdef LC_ALL |
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if (lang) { |
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if (setlocale(LC_ALL, "")) |
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done = TRUE; |
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else |
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setlocale_failure = TRUE; |
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} |
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if (!setlocale_failure) { |
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#ifdef USE_LOCALE_CTYPE |
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if (! (curctype = |
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setlocale(LC_CTYPE, |
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(!done && (lang || PerlEnv_getenv("LC_CTYPE"))) |
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? "" : Nullch))) |
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setlocale_failure = TRUE; |
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else |
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curctype = savepv(curctype); |
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#endif /* USE_LOCALE_CTYPE */ |
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#ifdef USE_LOCALE_COLLATE |
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if (! (curcoll = |
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setlocale(LC_COLLATE, |
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(!done && (lang || PerlEnv_getenv("LC_COLLATE"))) |
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? "" : Nullch))) |
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setlocale_failure = TRUE; |
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else |
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curcoll = savepv(curcoll); |
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#endif /* USE_LOCALE_COLLATE */ |
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#ifdef USE_LOCALE_NUMERIC |
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if (! (curnum = |
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setlocale(LC_NUMERIC, |
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(!done && (lang || PerlEnv_getenv("LC_NUMERIC"))) |
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? "" : Nullch))) |
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setlocale_failure = TRUE; |
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else |
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curnum = savepv(curnum); |
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#endif /* USE_LOCALE_NUMERIC */ |
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} |
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#endif /* LC_ALL */ |
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#endif /* !LOCALE_ENVIRON_REQUIRED */ |
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#ifdef LC_ALL |
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if (! setlocale(LC_ALL, "")) |
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setlocale_failure = TRUE; |
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#endif /* LC_ALL */ |
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if (!setlocale_failure) { |
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#ifdef USE_LOCALE_CTYPE |
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if (! (curctype = setlocale(LC_CTYPE, ""))) |
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setlocale_failure = TRUE; |
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else |
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curctype = savepv(curctype); |
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#endif /* USE_LOCALE_CTYPE */ |
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#ifdef USE_LOCALE_COLLATE |
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if (! (curcoll = setlocale(LC_COLLATE, ""))) |
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setlocale_failure = TRUE; |
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else |
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curcoll = savepv(curcoll); |
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#endif /* USE_LOCALE_COLLATE */ |
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#ifdef USE_LOCALE_NUMERIC |
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if (! (curnum = setlocale(LC_NUMERIC, ""))) |
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setlocale_failure = TRUE; |
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else |
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curnum = savepv(curnum); |
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#endif /* USE_LOCALE_NUMERIC */ |
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} |
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if (setlocale_failure) { |
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char *p; |
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bool locwarn = (printwarn > 1 || |
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(printwarn && |
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(!(p = PerlEnv_getenv("PERL_BADLANG")) || atoi(p)))); |
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if (locwarn) { |
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#ifdef LC_ALL |
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PerlIO_printf(Perl_error_log, |
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"perl: warning: Setting locale failed.\n"); |
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#else /* !LC_ALL */ |
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PerlIO_printf(Perl_error_log, |
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"perl: warning: Setting locale failed for the categories:\n\t"); |
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#ifdef USE_LOCALE_CTYPE |
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if (! curctype) |
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PerlIO_printf(Perl_error_log, "LC_CTYPE "); |
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#endif /* USE_LOCALE_CTYPE */ |
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#ifdef USE_LOCALE_COLLATE |
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if (! curcoll) |
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PerlIO_printf(Perl_error_log, "LC_COLLATE "); |
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#endif /* USE_LOCALE_COLLATE */ |
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#ifdef USE_LOCALE_NUMERIC |
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if (! curnum) |
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PerlIO_printf(Perl_error_log, "LC_NUMERIC "); |
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#endif /* USE_LOCALE_NUMERIC */ |
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PerlIO_printf(Perl_error_log, "\n"); |
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#endif /* LC_ALL */ |
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PerlIO_printf(Perl_error_log, |
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"perl: warning: Please check that your locale settings:\n"); |
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#ifdef __GLIBC__ |
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PerlIO_printf(Perl_error_log, |
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"\tLANGUAGE = %c%s%c,\n", |
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language ? '"' : '(', |
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language ? language : "unset", |
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language ? '"' : ')'); |
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#endif |
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|
|
PerlIO_printf(Perl_error_log, |
| 387 |
|
|
"\tLC_ALL = %c%s%c,\n", |
| 388 |
|
|
lc_all ? '"' : '(', |
| 389 |
|
|
lc_all ? lc_all : "unset", |
| 390 |
|
|
lc_all ? '"' : ')'); |
| 391 |
|
|
|
| 392 |
|
|
#if defined(USE_ENVIRON_ARRAY) |
| 393 |
|
|
{ |
| 394 |
|
|
char **e; |
| 395 |
|
|
for (e = environ; *e; e++) { |
| 396 |
|
|
if (strnEQ(*e, "LC_", 3) |
| 397 |
|
|
&& strnNE(*e, "LC_ALL=", 7) |
| 398 |
|
|
&& (p = strchr(*e, '='))) |
| 399 |
|
|
PerlIO_printf(Perl_error_log, "\t%.*s = \"%s\",\n", |
| 400 |
|
|
(int)(p - *e), *e, p + 1); |
| 401 |
|
|
} |
| 402 |
|
|
} |
| 403 |
|
|
#else |
| 404 |
|
|
PerlIO_printf(Perl_error_log, |
| 405 |
|
|
"\t(possibly more locale environment variables)\n"); |
| 406 |
|
|
#endif |
| 407 |
|
|
|
| 408 |
|
|
PerlIO_printf(Perl_error_log, |
| 409 |
|
|
"\tLANG = %c%s%c\n", |
| 410 |
|
|
lang ? '"' : '(', |
| 411 |
|
|
lang ? lang : "unset", |
| 412 |
|
|
lang ? '"' : ')'); |
| 413 |
|
|
|
| 414 |
|
|
PerlIO_printf(Perl_error_log, |
| 415 |
|
|
" are supported and installed on your system.\n"); |
| 416 |
|
|
} |
| 417 |
|
|
|
| 418 |
|
|
#ifdef LC_ALL |
| 419 |
|
|
|
| 420 |
|
|
if (setlocale(LC_ALL, "C")) { |
| 421 |
|
|
if (locwarn) |
| 422 |
|
|
PerlIO_printf(Perl_error_log, |
| 423 |
|
|
"perl: warning: Falling back to the standard locale (\"C\").\n"); |
| 424 |
|
|
ok = 0; |
| 425 |
|
|
} |
| 426 |
|
|
else { |
| 427 |
|
|
if (locwarn) |
| 428 |
|
|
PerlIO_printf(Perl_error_log, |
| 429 |
|
|
"perl: warning: Failed to fall back to the standard locale (\"C\").\n"); |
| 430 |
|
|
ok = -1; |
| 431 |
|
|
} |
| 432 |
|
|
|
| 433 |
|
|
#else /* ! LC_ALL */ |
| 434 |
|
|
|
| 435 |
|
|
if (0 |
| 436 |
|
|
#ifdef USE_LOCALE_CTYPE |
| 437 |
|
|
|| !(curctype || setlocale(LC_CTYPE, "C")) |
| 438 |
|
|
#endif /* USE_LOCALE_CTYPE */ |
| 439 |
|
|
#ifdef USE_LOCALE_COLLATE |
| 440 |
|
|
|| !(curcoll || setlocale(LC_COLLATE, "C")) |
| 441 |
|
|
#endif /* USE_LOCALE_COLLATE */ |
| 442 |
|
|
#ifdef USE_LOCALE_NUMERIC |
| 443 |
|
|
|| !(curnum || setlocale(LC_NUMERIC, "C")) |
| 444 |
|
|
#endif /* USE_LOCALE_NUMERIC */ |
| 445 |
|
|
) |
| 446 |
|
|
{ |
| 447 |
|
|
if (locwarn) |
| 448 |
|
|
PerlIO_printf(Perl_error_log, |
| 449 |
|
|
"perl: warning: Cannot fall back to the standard locale (\"C\").\n"); |
| 450 |
|
|
ok = -1; |
| 451 |
|
|
} |
| 452 |
|
|
|
| 453 |
|
|
#endif /* ! LC_ALL */ |
| 454 |
|
|
|
| 455 |
|
|
#ifdef USE_LOCALE_CTYPE |
| 456 |
|
|
curctype = savepv(setlocale(LC_CTYPE, Nullch)); |
| 457 |
|
|
#endif /* USE_LOCALE_CTYPE */ |
| 458 |
|
|
#ifdef USE_LOCALE_COLLATE |
| 459 |
|
|
curcoll = savepv(setlocale(LC_COLLATE, Nullch)); |
| 460 |
|
|
#endif /* USE_LOCALE_COLLATE */ |
| 461 |
|
|
#ifdef USE_LOCALE_NUMERIC |
| 462 |
|
|
curnum = savepv(setlocale(LC_NUMERIC, Nullch)); |
| 463 |
|
|
#endif /* USE_LOCALE_NUMERIC */ |
| 464 |
|
|
} |
| 465 |
|
|
else { |
| 466 |
|
|
|
| 467 |
|
|
#ifdef USE_LOCALE_CTYPE |
| 468 |
|
|
new_ctype(curctype); |
| 469 |
|
|
#endif /* USE_LOCALE_CTYPE */ |
| 470 |
|
|
|
| 471 |
|
|
#ifdef USE_LOCALE_COLLATE |
| 472 |
|
|
new_collate(curcoll); |
| 473 |
|
|
#endif /* USE_LOCALE_COLLATE */ |
| 474 |
|
|
|
| 475 |
|
|
#ifdef USE_LOCALE_NUMERIC |
| 476 |
|
|
new_numeric(curnum); |
| 477 |
|
|
#endif /* USE_LOCALE_NUMERIC */ |
| 478 |
|
|
|
| 479 |
|
|
} |
| 480 |
|
|
|
| 481 |
|
|
#endif /* USE_LOCALE */ |
| 482 |
|
|
|
| 483 |
|
|
#ifdef USE_PERLIO |
| 484 |
|
|
{ |
| 485 |
|
|
/* Set PL_utf8locale to TRUE if using PerlIO _and_ |
| 486 |
|
|
any of the following are true: |
| 487 |
|
|
- nl_langinfo(CODESET) contains /^utf-?8/i |
| 488 |
|
|
- $ENV{LC_ALL} contains /^utf-?8/i |
| 489 |
|
|
- $ENV{LC_CTYPE} contains /^utf-?8/i |
| 490 |
|
|
- $ENV{LANG} contains /^utf-?8/i |
| 491 |
|
|
The LC_ALL, LC_CTYPE, LANG obey the usual override |
| 492 |
|
|
hierarchy of locale environment variables. (LANGUAGE |
| 493 |
|
|
affects only LC_MESSAGES only under glibc.) (If present, |
| 494 |
|
|
it overrides LC_MESSAGES for GNU gettext, and it also |
| 495 |
|
|
can have more than one locale, separated by spaces, |
| 496 |
|
|
in case you need to know.) |
| 497 |
|
|
If PL_utf8locale and PL_unicode (set by -C or by $ENV{PERL_UNICODE}) |
| 498 |
|
|
are true, perl.c:S_parse_body() will turn on the PerlIO :utf8 layer |
| 499 |
|
|
on STDIN, STDOUT, STDERR, _and_ the default open discipline. |
| 500 |
|
|
*/ |
| 501 |
|
|
bool utf8locale = FALSE; |
| 502 |
|
|
char *codeset = NULL; |
| 503 |
|
|
#if defined(HAS_NL_LANGINFO) && defined(CODESET) |
| 504 |
|
|
codeset = nl_langinfo(CODESET); |
| 505 |
|
|
#endif |
| 506 |
|
|
if (codeset) |
| 507 |
|
|
utf8locale = (ibcmp(codeset, "UTF-8", 5) == 0 || |
| 508 |
|
|
ibcmp(codeset, "UTF8", 4) == 0); |
| 509 |
|
|
#if defined(USE_LOCALE) |
| 510 |
|
|
else { /* nl_langinfo(CODESET) is supposed to correctly |
| 511 |
|
|
* interpret the locale environment variables, |
| 512 |
|
|
* but just in case it fails, let's do this manually. */ |
| 513 |
|
|
if (lang) |
| 514 |
|
|
utf8locale = (ibcmp(lang, "UTF-8", 5) == 0 || |
| 515 |
|
|
ibcmp(lang, "UTF8", 4) == 0); |
| 516 |
|
|
#ifdef USE_LOCALE_CTYPE |
| 517 |
|
|
if (curctype) |
| 518 |
|
|
utf8locale = (ibcmp(curctype, "UTF-8", 5) == 0 || |
| 519 |
|
|
ibcmp(curctype, "UTF8", 4) == 0); |
| 520 |
|
|
#endif |
| 521 |
|
|
if (lc_all) |
| 522 |
|
|
utf8locale = (ibcmp(lc_all, "UTF-8", 5) == 0 || |
| 523 |
|
|
ibcmp(lc_all, "UTF8", 4) == 0); |
| 524 |
|
|
} |
| 525 |
|
|
#endif /* USE_LOCALE */ |
| 526 |
|
|
if (utf8locale) |
| 527 |
|
|
PL_utf8locale = TRUE; |
| 528 |
|
|
} |
| 529 |
|
|
/* Set PL_unicode to $ENV{PERL_UNICODE} if using PerlIO. |
| 530 |
|
|
This is an alternative to using the -C command line switch |
| 531 |
|
|
(the -C if present will override this). */ |
| 532 |
|
|
{ |
| 533 |
|
|
char *p = PerlEnv_getenv("PERL_UNICODE"); |
| 534 |
|
|
PL_unicode = p ? parse_unicode_opts(&p) : 0; |
| 535 |
|
|
} |
| 536 |
|
|
#endif |
| 537 |
|
|
|
| 538 |
|
|
#ifdef USE_LOCALE_CTYPE |
| 539 |
|
|
if (curctype != NULL) |
| 540 |
|
|
Safefree(curctype); |
| 541 |
|
|
#endif /* USE_LOCALE_CTYPE */ |
| 542 |
|
|
#ifdef USE_LOCALE_COLLATE |
| 543 |
|
|
if (curcoll != NULL) |
| 544 |
|
|
Safefree(curcoll); |
| 545 |
|
|
#endif /* USE_LOCALE_COLLATE */ |
| 546 |
|
|
#ifdef USE_LOCALE_NUMERIC |
| 547 |
|
|
if (curnum != NULL) |
| 548 |
|
|
Safefree(curnum); |
| 549 |
|
|
#endif /* USE_LOCALE_NUMERIC */ |
| 550 |
|
|
return ok; |
| 551 |
|
|
} |
| 552 |
|
|
|
| 553 |
|
|
/* Backwards compatibility. */ |
| 554 |
|
|
int |
| 555 |
|
|
Perl_init_i18nl14n(pTHX_ int printwarn) |
| 556 |
|
|
{ |
| 557 |
|
|
return init_i18nl10n(printwarn); |
| 558 |
|
|
} |
| 559 |
|
|
|
| 560 |
|
|
#ifdef USE_LOCALE_COLLATE |
| 561 |
|
|
|
| 562 |
|
|
/* |
| 563 |
|
|
* mem_collxfrm() is a bit like strxfrm() but with two important |
| 564 |
|
|
* differences. First, it handles embedded NULs. Second, it allocates |
| 565 |
|
|
* a bit more memory than needed for the transformed data itself. |
| 566 |
|
|
* The real transformed data begins at offset sizeof(collationix). |
| 567 |
|
|
* Please see sv_collxfrm() to see how this is used. |
| 568 |
|
|
*/ |
| 569 |
|
|
|
| 570 |
|
|
char * |
| 571 |
|
|
Perl_mem_collxfrm(pTHX_ const char *s, STRLEN len, STRLEN *xlen) |
| 572 |
|
|
{ |
| 573 |
|
|
char *xbuf; |
| 574 |
|
|
STRLEN xAlloc, xin, xout; /* xalloc is a reserved word in VC */ |
| 575 |
|
|
|
| 576 |
|
|
/* the first sizeof(collationix) bytes are used by sv_collxfrm(). */ |
| 577 |
|
|
/* the +1 is for the terminating NUL. */ |
| 578 |
|
|
|
| 579 |
|
|
xAlloc = sizeof(PL_collation_ix) + PL_collxfrm_base + (PL_collxfrm_mult * len) + 1; |
| 580 |
|
|
New(171, xbuf, xAlloc, char); |
| 581 |
|
|
if (! xbuf) |
| 582 |
|
|
goto bad; |
| 583 |
|
|
|
| 584 |
|
|
*(U32*)xbuf = PL_collation_ix; |
| 585 |
|
|
xout = sizeof(PL_collation_ix); |
| 586 |
|
|
for (xin = 0; xin < len; ) { |
| 587 |
|
|
SSize_t xused; |
| 588 |
|
|
|
| 589 |
|
|
for (;;) { |
| 590 |
|
|
xused = strxfrm(xbuf + xout, s + xin, xAlloc - xout); |
| 591 |
|
|
if (xused == -1) |
| 592 |
|
|
goto bad; |
| 593 |
|
|
if ((STRLEN)xused < xAlloc - xout) |
| 594 |
|
|
break; |
| 595 |
|
|
xAlloc = (2 * xAlloc) + 1; |
| 596 |
|
|
Renew(xbuf, xAlloc, char); |
| 597 |
|
|
if (! xbuf) |
| 598 |
|
|
goto bad; |
| 599 |
|
|
} |
| 600 |
|
|
|
| 601 |
|
|
xin += strlen(s + xin) + 1; |
| 602 |
|
|
xout += xused; |
| 603 |
|
|
|
| 604 |
|
|
/* Embedded NULs are understood but silently skipped |
| 605 |
|
|
* because they make no sense in locale collation. */ |
| 606 |
|
|
} |
| 607 |
|
|
|
| 608 |
|
|
xbuf[xout] = '\0'; |
| 609 |
|
|
*xlen = xout - sizeof(PL_collation_ix); |
| 610 |
|
|
return xbuf; |
| 611 |
|
|
|
| 612 |
|
|
bad: |
| 613 |
|
|
Safefree(xbuf); |
| 614 |
|
|
*xlen = 0; |
| 615 |
|
|
return NULL; |
| 616 |
|
|
} |
| 617 |
|
|
|
| 618 |
|
|
#endif /* USE_LOCALE_COLLATE */ |
| 619 |
|
|
|
