/* Copyright (C) 2002 Manuel Novoa III * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Nov. 1, 2002 * Reworked setlocale() return values and locale arg processing to * be more like glibc. Applications expecting to be able to * query locale settings should now work... at the cost of almost * doubling the size of the setlocale object code. * Fixed a bug in the internal fixed-size-string locale specifier code. * * Dec 20, 2002 * Added in collation support and updated stub nl_langinfo. * * Aug 1, 2003 * Added glibc-like extended locale stuff (newlocale, duplocale, etc). * * Aug 18, 2003 * Bug in duplocale... collation data wasn't copied. * Bug in newlocale... translate 1<<LC_ALL to LC_ALL_MASK. * Bug in _wchar_utf8sntowcs... fix cut-n-paste error. * * Aug 31, 2003 * Hack around bg_BG bug; grouping specified but no thousands separator. * Also, disable the locale link_warnings for now, as they generate a * lot of noise when using libstd++. */ /* TODO: * Implement the shared mmap code so non-mmu platforms can use this. * Add some basic collate functionality similar to what the previous * locale support had (8-bit codesets only). */ #define _GNU_SOURCE #define __CTYPE_HAS_8_BIT_LOCALES 1 #include <string.h> #include <stdlib.h> #include <stddef.h> #include <limits.h> #include <stdint.h> #include <assert.h> #include <errno.h> #include <ctype.h> #include <stdio.h> libc_hidden_proto(memcpy) libc_hidden_proto(memset) libc_hidden_proto(stpcpy) libc_hidden_proto(strtok_r) libc_hidden_proto(strlen) libc_hidden_proto(strcmp) libc_hidden_proto(strcpy) libc_hidden_proto(strncmp) libc_hidden_proto(strchr) libc_hidden_proto(getenv) /*libc_hidden_proto(fflush)*/ #ifdef __UCLIBC_MJN3_ONLY__ #ifdef L_setlocale #warning TODO: Make the link_warning()s a config option? #endif #endif #undef link_warning #define link_warning(A,B) #undef __LOCALE_C_ONLY #ifndef __UCLIBC_HAS_LOCALE__ #define __LOCALE_C_ONLY #endif /* __UCLIBC_HAS_LOCALE__ */ #ifdef __LOCALE_C_ONLY #include <locale.h> #else /* __LOCALE_C_ONLY */ #ifdef __UCLIBC_MJN3_ONLY__ #ifdef L_setlocale #warning TODO: Fix the __CTYPE_HAS_8_BIT_LOCALES define at the top of the file. #warning TODO: Fix __WCHAR_ENABLED. #endif #endif /* Need to include this before locale.h and xlocale.h! */ #include <bits/uClibc_locale.h> #undef CODESET_LIST #define CODESET_LIST (__locale_mmap->codeset_list) #ifdef __UCLIBC_HAS_XLOCALE__ #include <xlocale.h> #include <locale.h> #else /* __UCLIBC_HAS_XLOCALE__ */ /* We need this internally... */ #define __UCLIBC_HAS_XLOCALE__ 1 #include <xlocale.h> #include <locale.h> #undef __UCLIBC_HAS_XLOCALE__ #endif /* __UCLIBC_HAS_XLOCALE__ */ #include <wchar.h> #define LOCALE_NAMES (__locale_mmap->locale_names5) #define LOCALES (__locale_mmap->locales) #define LOCALE_AT_MODIFIERS (__locale_mmap->locale_at_modifiers) #define CATEGORY_NAMES (__locale_mmap->lc_names) #ifdef __UCLIBC_MJN3_ONLY__ #warning REMINDER: redo the MAX_LOCALE_STR stuff... #endif #define MAX_LOCALE_STR 256 /* TODO: Only sufficient for current case. */ #define MAX_LOCALE_CATEGORY_STR 32 /* TODO: Only sufficient for current case. */ /* Note: Best if MAX_LOCALE_CATEGORY_STR is a power of 2. */ extern int _locale_set_l(const unsigned char *p, __locale_t base) attribute_hidden; extern void _locale_init_l(__locale_t base) attribute_hidden; #endif /* __LOCALE_C_ONLY */ #undef LOCALE_STRING_SIZE #define LOCALE_SELECTOR_SIZE (2 * __LC_ALL + 2) #ifdef __UCLIBC_MJN3_ONLY__ #ifdef L_setlocale #warning TODO: Create a C locale selector string. #endif #endif #define C_LOCALE_SELECTOR "\x23\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80\x80" #include <langinfo.h> #include <nl_types.h> /**********************************************************************/ #ifdef L_setlocale #ifdef __LOCALE_C_ONLY link_warning(setlocale,"REMINDER: The 'setlocale' function supports only C|POSIX locales.") static const char C_string[] = "C"; char *setlocale(int category, register const char *locale) { return ( (((unsigned int)(category)) <= LC_ALL) && ( (!locale) /* Request for locale category string. */ || (!*locale) /* Implementation-defined default is C. */ || ((*locale == 'C') && !locale[1]) || (!strcmp(locale, "POSIX"))) ) ? (char *) C_string /* Always in C/POSIX locale. */ : NULL; } #else /* ---------------------------------------------- __LOCALE_C_ONLY */ #ifdef __UCLIBC_HAS_THREADS__ link_warning(setlocale,"REMINDER: The 'setlocale' function is _not_ threadsafe except for simple queries.") #endif #if !defined(__LOCALE_DATA_NUM_LOCALES) || (__LOCALE_DATA_NUM_LOCALES <= 1) #error locales enabled, but not data other than for C locale! #endif #ifdef __UCLIBC_MJN3_ONLY__ #warning TODO: Move posix and utf8 strings. #endif static const char posix[] = "POSIX"; static const char utf8[] = "UTF-8"; #ifdef __UCLIBC_MJN3_ONLY__ #warning TODO: Fix dimensions of hr_locale. #endif /* Individual category strings start at hr_locale + category * MAX_LOCALE_CATEGORY. * This holds for LC_ALL as well. */ static char hr_locale[(MAX_LOCALE_CATEGORY_STR * LC_ALL) + MAX_LOCALE_STR]; libc_hidden_proto(newlocale) static void update_hr_locale(const unsigned char *spec) { const unsigned char *loc; const unsigned char *s; char *n; int i, category, done; done = category = 0; do { s = spec + 1; n = hr_locale + category * MAX_LOCALE_CATEGORY_STR; if (category == LC_ALL) { done = 1; for (i = 0 ; i < LC_ALL-1 ; i += 2) { if ((s[i] != s[i+2]) || (s[i+1] != s[i+3])) { goto SKIP; } } /* All categories the same, so simplify string by using a single * category. */ category = LC_CTYPE; } SKIP: i = (category == LC_ALL) ? 0 : category; s += 2*i; do { if ((*s != 0xff) || (s[1] != 0xff)) { loc = LOCALES + __LOCALE_DATA_WIDTH_LOCALES * ((((int)(*s & 0x7f)) << 7) + (s[1] & 0x7f)); if (category == LC_ALL) { n = stpcpy(n, CATEGORY_NAMES + (int) CATEGORY_NAMES[i]); *n++ = '='; } if (*loc == 0) { *n++ = 'C'; *n = 0; } else { char at = 0; memcpy(n, LOCALE_NAMES + 5*((*loc)-1), 5); if (n[2] != '_') { at = n[2]; n[2] = '_'; } n += 5; *n++ = '.'; if (loc[2] == 2) { n = stpcpy(n, utf8); } else if (loc[2] >= 3) { n = stpcpy(n, CODESET_LIST + (int)(CODESET_LIST[loc[2] - 3])); } if (at) { const char *q; *n++ = '@'; q = LOCALE_AT_MODIFIERS; do { if (q[1] == at) { n = stpcpy(n, q+2); break; } q += 2 + *q; } while (*q); } } *n++ = ';'; } s += 2; } while (++i < category); *--n = 0; /* Remove trailing ';' and nul-terminate. */ ++category; } while (!done); } char *setlocale(int category, const char *locale) { if (((unsigned int)(category)) > LC_ALL) { #if 0 __set_errno(EINVAL); /* glibc sets errno -- SUSv3 doesn't say. */ #endif return NULL; /* Illegal/unsupported category. */ } if (locale != NULL) { /* Not just a query... */ if (!newlocale((1 << category), locale, __global_locale)) { return NULL; /* Failed! */ } update_hr_locale(__global_locale->cur_locale); } /* Either a query or a successful set, so return current locale string. */ return hr_locale + (category * MAX_LOCALE_CATEGORY_STR); } #endif /* __LOCALE_C_ONLY */ #endif /**********************************************************************/ #ifdef L_localeconv /* Note: We assume here that the compiler does the sane thing regarding * placement of the fields in the struct. If necessary, we could ensure * this usings an array of offsets but at some size cost. */ #ifdef __LOCALE_C_ONLY link_warning(localeconv,"REMINDER: The 'localeconv' function is hardwired for C/POSIX locale only.") static struct lconv the_lconv; static const char decpt[] = "."; struct lconv *localeconv(void) { register char *p = (char *)(&the_lconv); *((char **)p) = (char *) decpt; do { p += sizeof(char **); *((char **)p) = (char *) (decpt+1); } while (p < (char *) &the_lconv.negative_sign); p = (&the_lconv.int_frac_digits); do { *p = CHAR_MAX; ++p; } while (p <= &the_lconv.int_n_sign_posn); return &the_lconv; } #else /* __LOCALE_C_ONLY */ static struct lconv the_lconv; struct lconv *localeconv(void) { register char *p = (char *) &the_lconv; register char **q = (char **) &(__UCLIBC_CURLOCALE_DATA).decimal_point; do { *((char **)p) = *q; p += sizeof(char **); ++q; } while (p < &the_lconv.int_frac_digits); do { *p = **q; ++p; ++q; } while (p <= &the_lconv.int_n_sign_posn); return &the_lconv; } #endif /* __LOCALE_C_ONLY */ #endif /**********************************************************************/ #if defined(L__locale_init) && !defined(__LOCALE_C_ONLY) __uclibc_locale_t __global_locale_data; __locale_t __global_locale = &__global_locale_data; #ifdef __UCLIBC_HAS_XLOCALE__ __locale_t __curlocale_var = &__global_locale_data; #endif /*----------------------------------------------------------------------*/ #ifdef __UCLIBC_MJN3_ONLY__ #warning TODO: Move utf8 and ascii strings. #endif static const char utf8[] = "UTF-8"; static const char ascii[] = "ASCII"; typedef struct { uint16_t num_base; uint16_t num_der; uint16_t MAX_WEIGHTS; uint16_t num_index2weight; #define num_index2ruleidx num_index2weight uint16_t num_weightstr; uint16_t num_multistart; uint16_t num_override; uint16_t num_ruletable; } coldata_header_t; typedef struct { uint16_t num_weights; uint16_t num_starters; uint16_t ii_shift; uint16_t ti_shift; uint16_t ii_len; uint16_t ti_len; uint16_t max_weight; uint16_t num_col_base; uint16_t max_col_index; uint16_t undefined_idx; uint16_t range_low; uint16_t range_count; uint16_t range_base_weight; uint16_t range_rule_offset; uint16_t index2weight_offset; uint16_t index2ruleidx_offset; uint16_t multistart_offset; uint16_t wcs2colidt_offset_low; uint16_t wcs2colidt_offset_hi; } coldata_base_t; typedef struct { uint16_t base_idx; uint16_t undefined_idx; uint16_t overrides_offset; uint16_t multistart_offset; } coldata_der_t; static int init_cur_collate(int der_num, __collate_t *cur_collate) { const uint16_t *__locale_collate_tbl = __locale_mmap->collate_data; coldata_header_t *cdh; coldata_base_t *cdb; coldata_der_t *cdd; const uint16_t *p; size_t n; uint16_t i, w; #ifdef __UCLIBC_MJN3_ONLY__ #warning kill of x86-specific asserts #endif #if 0 assert(sizeof(coldata_base_t) == 19*2); assert(sizeof(coldata_der_t) == 4*2); assert(sizeof(coldata_header_t) == 8*2); #endif if (!der_num) { /* C locale... special */ cur_collate->num_weights = 0; return 1; } --der_num; cdh = (coldata_header_t *) __locale_collate_tbl; #ifdef __UCLIBC_MJN3_ONLY__ #warning CONSIDER: Should we assert here? #endif #if 0 if (der_num >= cdh->num_der) { return 0; } #else assert((der_num < cdh->num_der)); #endif cdd = (coldata_der_t *)(__locale_collate_tbl + (sizeof(coldata_header_t) + cdh->num_base * sizeof(coldata_base_t) + der_num * sizeof(coldata_der_t) )/2 ); cdb = (coldata_base_t *)(__locale_collate_tbl + (sizeof(coldata_header_t) + cdd->base_idx * sizeof(coldata_base_t) )/2 ); memcpy(cur_collate, cdb, offsetof(coldata_base_t,index2weight_offset)); cur_collate->undefined_idx = cdd->undefined_idx; cur_collate->ti_mask = (1 << cur_collate->ti_shift)-1; cur_collate->ii_mask = (1 << cur_collate->ii_shift)-1; /* fflush(stdout); */ /* fprintf(stderr,"base=%d num_col_base: %d %d\n", cdd->base_idx ,cur_collate->num_col_base, cdb->num_col_base); */ n = (sizeof(coldata_header_t) + cdh->num_base * sizeof(coldata_base_t) + cdh->num_der * sizeof(coldata_der_t))/2; /* fprintf(stderr,"n = %d\n", n); */ cur_collate->index2weight_tbl = __locale_collate_tbl + n + cdb->index2weight_offset; /* fprintf(stderr,"i2w = %d\n", n + cdb->index2weight_offset); */ n += cdh->num_index2weight; cur_collate->index2ruleidx_tbl = __locale_collate_tbl + n + cdb->index2ruleidx_offset; /* fprintf(stderr,"i2r = %d\n", n + cdb->index2ruleidx_offset); */ n += cdh->num_index2ruleidx; cur_collate->multistart_tbl = __locale_collate_tbl + n + cdd->multistart_offset; /* fprintf(stderr,"mts = %d\n", n + cdb->multistart_offset); */ n += cdh->num_multistart; cur_collate->overrides_tbl = __locale_collate_tbl + n + cdd->overrides_offset; /* fprintf(stderr,"ovr = %d\n", n + cdd->overrides_offset); */ n += cdh->num_override; cur_collate->ruletable = __locale_collate_tbl + n; /* fprintf(stderr, "rtb = %d\n", n); */ n += cdh->num_ruletable; cur_collate->weightstr = __locale_collate_tbl + n; /* fprintf(stderr,"wts = %d\n", n); */ n += cdh->num_weightstr; cur_collate->wcs2colidt_tbl = __locale_collate_tbl + n + (((unsigned long)(cdb->wcs2colidt_offset_hi)) << 16) + cdb->wcs2colidt_offset_low; /* fprintf(stderr,"wcs = %lu\n", n + (((unsigned long)(cdb->wcs2colidt_offset_hi)) << 16) */ /* + cdb->wcs2colidt_offset_low); */ cur_collate->MAX_WEIGHTS = cdh->MAX_WEIGHTS; #ifdef __UCLIBC_MJN3_ONLY__ #warning CONSIDER: Fix the +1 by increasing max_col_index? #warning CONSIDER: Since this collate info is dependent only on LC_COLLATE ll_cc and not on codeset, we could just globally allocate this for each in a table #endif cur_collate->index2weight = calloc(2*cur_collate->max_col_index+2, sizeof(uint16_t)); if (!cur_collate->index2weight) { return 0; } cur_collate->index2ruleidx = cur_collate->index2weight + cur_collate->max_col_index + 1; memcpy(cur_collate->index2weight, cur_collate->index2weight_tbl, cur_collate->num_col_base * sizeof(uint16_t)); memcpy(cur_collate->index2ruleidx, cur_collate->index2ruleidx_tbl, cur_collate->num_col_base * sizeof(uint16_t)); /* now do the overrides */ p = cur_collate->overrides_tbl; while (*p > 1) { /* fprintf(stderr, "processing override -- count = %d\n", *p); */ n = *p++; w = *p++; do { i = *p++; /* fprintf(stderr, " i=%d (%#x) w=%d *p=%d\n", i, i, w, *p); */ cur_collate->index2weight[i-1] = w++; cur_collate->index2ruleidx[i-1] = *p++; } while (--n); } assert(*p == 1); while (*++p) { i = *p; /* fprintf(stderr, " i=%d (%#x) w=%d *p=%d\n", i, i, p[1], p[2]); */ cur_collate->index2weight[i-1] = *++p; cur_collate->index2ruleidx[i-1] = *++p; } for (i=0 ; i < cur_collate->multistart_tbl[0] ; i++) { p = cur_collate->multistart_tbl; /* fprintf(stderr, "%2d of %2d: %d ", i, cur_collate->multistart_tbl[0], p[i]); */ p += p[i]; do { n = *p++; do { if (!*p) { /* found it */ /* fprintf(stderr, "found: n=%d (%#lx) |%.*ls|\n", n, (int) *cs->s, n, cs->s); */ /* fprintf(stderr, ": %d - single\n", n); */ goto FOUND; } /* the lookup check here is safe since we're assured that *p is a valid colidex */ /* fprintf(stderr, "lookup(%lc)==%d *p==%d\n", cs->s[n], lookup(cs->s[n]), (int) *p); */ /* fprintf(stderr, ": %d - ", n); */ do { /* fprintf(stderr, "%d|", *p); */ } while (*p++); break; } while (1); } while (1); FOUND: continue; } return 1; } int attribute_hidden _locale_set_l(const unsigned char *p, __locale_t base) { const char **x; unsigned char *s = base->cur_locale + 1; const size_t *stp; const unsigned char *r; const uint16_t *io; const uint16_t *ii; const unsigned char *d; int row; /* locale row */ int crow; /* category row */ int len; int c; int i = 0; __collate_t newcol; ++p; newcol.index2weight = NULL; if ((p[2*LC_COLLATE] != s[2*LC_COLLATE]) || (p[2*LC_COLLATE + 1] != s[2*LC_COLLATE + 1]) ) { row = (((int)(*p & 0x7f)) << 7) + (p[1] & 0x7f); assert(row < __LOCALE_DATA_NUM_LOCALES); if (!init_cur_collate(__locale_mmap->locales[ __LOCALE_DATA_WIDTH_LOCALES * row + 3 + LC_COLLATE ], &newcol) ) { return 0; /* calloc failed. */ } free(base->collate.index2weight); memcpy(&base->collate, &newcol, sizeof(__collate_t)); } do { if ((*p != *s) || (p[1] != s[1])) { row = (((int)(*p & 0x7f)) << 7) + (p[1] & 0x7f); assert(row < __LOCALE_DATA_NUM_LOCALES); *s = *p; s[1] = p[1]; if ((i != LC_COLLATE) && ((len = __locale_mmap->lc_common_item_offsets_LEN[i]) != 0) ) { crow = __locale_mmap->locales[ __LOCALE_DATA_WIDTH_LOCALES * row + 3 + i ] * len; x = (const char **)(((char *) base) + base->category_offsets[i]); stp = __locale_mmap->lc_common_tbl_offsets + 4*i; r = (const unsigned char *)( ((char *)__locale_mmap) + *stp ); io = (const uint16_t *)( ((char *)__locale_mmap) + *++stp ); ii = (const uint16_t *)( ((char *)__locale_mmap) + *++stp ); d = (const unsigned char *)( ((char *)__locale_mmap) + *++stp ); for (c=0 ; c < len ; c++) { *(x + c) = d + ii[ r[crow + c] + io[c] ]; } } if (i == LC_CTYPE) { c = __locale_mmap->locales[ __LOCALE_DATA_WIDTH_LOCALES * row + 2 ]; /* codeset */ if (c <= 2) { if (c == 2) { base->codeset = utf8; base->encoding = __ctype_encoding_utf8; /* TODO - fix for bcc */ base->mb_cur_max = 6; } else { assert(c==1); base->codeset = ascii; base->encoding = __ctype_encoding_7_bit; base->mb_cur_max = 1; } } else { const __codeset_8_bit_t *c8b; r = CODESET_LIST; base->codeset = r + r[c -= 3]; base->encoding = __ctype_encoding_8_bit; #ifdef __UCLIBC_MJN3_ONLY__ #warning REMINDER: update 8 bit mb_cur_max when translit implemented! #endif /* TODO - update when translit implemented! */ base->mb_cur_max = 1; c8b = __locale_mmap->codeset_8_bit + c; #ifdef __CTYPE_HAS_8_BIT_LOCALES base->idx8ctype = c8b->idx8ctype; base->idx8uplow = c8b->idx8uplow; #ifdef __UCLIBC_HAS_WCHAR__ base->idx8c2wc = c8b->idx8c2wc; base->idx8wc2c = c8b->idx8wc2c; /* translit */ #endif /* __UCLIBC_HAS_WCHAR__ */ /* What follows is fairly bloated, but it is just a hack * to get the 8-bit codeset ctype stuff functioning. * All of this will be replaced in the next generation * of locale support anyway... */ memcpy(base->__ctype_b_data, __C_ctype_b - __UCLIBC_CTYPE_B_TBL_OFFSET, (256 + __UCLIBC_CTYPE_B_TBL_OFFSET) * sizeof(__ctype_mask_t)); memcpy(base->__ctype_tolower_data, __C_ctype_tolower - __UCLIBC_CTYPE_TO_TBL_OFFSET, (256 + __UCLIBC_CTYPE_TO_TBL_OFFSET) * sizeof(__ctype_touplow_t)); memcpy(base->__ctype_toupper_data, __C_ctype_toupper - __UCLIBC_CTYPE_TO_TBL_OFFSET, (256 + __UCLIBC_CTYPE_TO_TBL_OFFSET) * sizeof(__ctype_touplow_t)); #define Cctype_TBL_MASK ((1 << __LOCALE_DATA_Cctype_IDX_SHIFT) - 1) #define Cctype_IDX_OFFSET (128 >> __LOCALE_DATA_Cctype_IDX_SHIFT) { int u; __ctype_mask_t m; for (u=0 ; u < 128 ; u++) { #ifdef __LOCALE_DATA_Cctype_PACKED c = base->tbl8ctype [ ((int)(c8b->idx8ctype [(u >> __LOCALE_DATA_Cctype_IDX_SHIFT) ]) << (__LOCALE_DATA_Cctype_IDX_SHIFT - 1)) + ((u & Cctype_TBL_MASK) >> 1)]; c = (u & 1) ? (c >> 4) : (c & 0xf); #else c = base->tbl8ctype [ ((int)(c8b->idx8ctype [(u >> __LOCALE_DATA_Cctype_IDX_SHIFT) ]) << __LOCALE_DATA_Cctype_IDX_SHIFT) + (u & Cctype_TBL_MASK) ]; #endif m = base->code2flag[c]; base->__ctype_b_data [128 + __UCLIBC_CTYPE_B_TBL_OFFSET + u] = m; #ifdef __UCLIBC_HAS_CTYPE_SIGNED__ if (((signed char)(128 + u)) != -1) { base->__ctype_b_data[__UCLIBC_CTYPE_B_TBL_OFFSET + ((signed char)(128 + u))] = m; } #endif base->__ctype_tolower_data [128 + __UCLIBC_CTYPE_TO_TBL_OFFSET + u] = 128 + u; base->__ctype_toupper_data [128 + __UCLIBC_CTYPE_TO_TBL_OFFSET + u] = 128 + u; if (m & (_ISlower|_ISupper)) { c = base->tbl8uplow [ ((int)(c8b->idx8uplow [u >> __LOCALE_DATA_Cuplow_IDX_SHIFT]) << __LOCALE_DATA_Cuplow_IDX_SHIFT) + ((128 + u) & ((1 << __LOCALE_DATA_Cuplow_IDX_SHIFT) - 1)) ]; if (m & _ISlower) { base->__ctype_toupper_data [128 + __UCLIBC_CTYPE_TO_TBL_OFFSET + u] = (unsigned char)(128 + u + c); #ifdef __UCLIBC_HAS_CTYPE_SIGNED__ if (((signed char)(128 + u)) != -1) { base->__ctype_toupper_data [__UCLIBC_CTYPE_TO_TBL_OFFSET + ((signed char)(128 + u))] = (unsigned char)(128 + u + c); } #endif } else { base->__ctype_tolower_data [128 + __UCLIBC_CTYPE_TO_TBL_OFFSET + u] = (unsigned char)(128 + u - c); #ifdef __UCLIBC_HAS_CTYPE_SIGNED__ if (((signed char)(128 + u)) != -1) { base->__ctype_tolower_data [__UCLIBC_CTYPE_TO_TBL_OFFSET + ((signed char)(128 + u))] = (unsigned char)(128 + u - c); } #endif } } } } #ifdef __UCLIBC_HAS_XLOCALE__ base->__ctype_b = base->__ctype_b_data + __UCLIBC_CTYPE_B_TBL_OFFSET; base->__ctype_tolower = base->__ctype_tolower_data + __UCLIBC_CTYPE_TO_TBL_OFFSET; base->__ctype_toupper = base->__ctype_toupper_data + __UCLIBC_CTYPE_TO_TBL_OFFSET; #else /* __UCLIBC_HAS_XLOCALE__ */ __ctype_b = base->__ctype_b_data + __UCLIBC_CTYPE_B_TBL_OFFSET; __ctype_tolower = base->__ctype_tolower_data + __UCLIBC_CTYPE_TO_TBL_OFFSET; __ctype_toupper = base->__ctype_toupper_data + __UCLIBC_CTYPE_TO_TBL_OFFSET; #endif /* __UCLIBC_HAS_XLOCALE__ */ #endif /* __CTYPE_HAS_8_BIT_LOCALES */ } #ifdef __UCLIBC_MJN3_ONLY__ #warning TODO: Put the outdigit string length in the locale_mmap object. #endif d = base->outdigit_length; x = &base->outdigit0_mb; for (c = 0 ; c < 10 ; c++) { ((unsigned char *)d)[c] = strlen(x[c]); assert(d[c] > 0); } } else if (i == LC_NUMERIC) { assert(LC_NUMERIC > LC_CTYPE); /* Need ctype initialized. */ base->decimal_point_len = __locale_mbrtowc_l(&base->decimal_point_wc, base->decimal_point, base); assert(base->decimal_point_len > 0); assert(base->decimal_point[base->decimal_point_len] == 0); if (*base->grouping) { base->thousands_sep_len = __locale_mbrtowc_l(&base->thousands_sep_wc, base->thousands_sep, base); #if 1 #ifdef __UCLIBC_MJN3_ONLY__ #warning TODO: Remove hack involving grouping without a thousep char (bg_BG). #endif assert(base->thousands_sep_len >= 0); if (base->thousands_sep_len == 0) { base->grouping = base->thousands_sep; /* empty string */ } assert(base->thousands_sep[base->thousands_sep_len] == 0); #else assert(base->thousands_sep_len > 0); assert(base->thousands_sep[base->thousands_sep_len] == 0); #endif } /* } else if (i == LC_COLLATE) { */ /* init_cur_collate(__locale_mmap->locales[ __LOCALE_DATA_WIDTH_LOCALES */ /* * row + 3 + i ], */ /* &base->collate); */ } } ++i; p += 2; s += 2; } while (i < LC_ALL); return 1; } static const uint16_t __code2flag[16] = { 0, /* unclassified = 0 */ _ISprint|_ISgraph|_ISalnum|_ISalpha, /* alpha_nonupper_nonlower */ _ISprint|_ISgraph|_ISalnum|_ISalpha|_ISlower, /* alpha_lower */ _ISprint|_ISgraph|_ISalnum|_ISalpha|_ISlower|_ISupper, /* alpha_upper_lower */ _ISprint|_ISgraph|_ISalnum|_ISalpha|_ISupper, /* alpha_upper */ _ISprint|_ISgraph|_ISalnum|_ISdigit, /* digit */ _ISprint|_ISgraph|_ISpunct, /* punct */ _ISprint|_ISgraph, /* graph */ _ISprint|_ISspace, /* print_space_nonblank */ _ISprint|_ISspace|_ISblank, /* print_space_blank */ _ISspace, /* space_nonblank_noncntrl */ _ISspace|_ISblank, /* space_blank_noncntrl */ _IScntrl|_ISspace, /* cntrl_space_nonblank */ _IScntrl|_ISspace|_ISblank, /* cntrl_space_blank */ _IScntrl /* cntrl_nonspace */ }; void attribute_hidden _locale_init_l(__locale_t base) { memset(base->cur_locale, 0, LOCALE_SELECTOR_SIZE); base->cur_locale[0] = '#'; memcpy(base->category_item_count, __locale_mmap->lc_common_item_offsets_LEN, LC_ALL); ++base->category_item_count[0]; /* Increment for codeset entry. */ base->category_offsets[0] = offsetof(__uclibc_locale_t, outdigit0_mb); base->category_offsets[1] = offsetof(__uclibc_locale_t, decimal_point); base->category_offsets[2] = offsetof(__uclibc_locale_t, int_curr_symbol); base->category_offsets[3] = offsetof(__uclibc_locale_t, abday_1); /* base->category_offsets[4] = offsetof(__uclibc_locale_t, collate???); */ base->category_offsets[5] = offsetof(__uclibc_locale_t, yesexpr); #ifdef __CTYPE_HAS_8_BIT_LOCALES base->tbl8ctype = (const unsigned char *) &__locale_mmap->tbl8ctype; base->tbl8uplow = (const unsigned char *) &__locale_mmap->tbl8uplow; #ifdef __UCLIBC_HAS_WCHAR__ base->tbl8c2wc = (const uint16_t *) &__locale_mmap->tbl8c2wc; base->tbl8wc2c = (const unsigned char *) &__locale_mmap->tbl8wc2c; /* translit */ #endif /* __UCLIBC_HAS_WCHAR__ */ #endif /* __CTYPE_HAS_8_BIT_LOCALES */ #ifdef __UCLIBC_HAS_WCHAR__ base->tblwctype = (const unsigned char *) &__locale_mmap->tblwctype; base->tblwuplow = (const unsigned char *) &__locale_mmap->tblwuplow; base->tblwuplow_diff = (const uint16_t *) &__locale_mmap->tblwuplow_diff; /* base->tblwcomb */ /* = (const unsigned char *) &__locale_mmap->tblwcomb; */ /* width?? */ #endif /* __UCLIBC_HAS_WCHAR__ */ /* Initially, set things up to use the global C ctype tables. * This is correct for C (ASCII) and UTF-8 based locales (except tr_TR). */ #ifdef __UCLIBC_HAS_XLOCALE__ base->__ctype_b = __C_ctype_b; base->__ctype_tolower = __C_ctype_tolower; base->__ctype_toupper = __C_ctype_toupper; #else /* __UCLIBC_HAS_XLOCALE__ */ __ctype_b = __C_ctype_b; __ctype_tolower = __C_ctype_tolower; __ctype_toupper = __C_ctype_toupper; #endif /* __UCLIBC_HAS_XLOCALE__ */ #ifdef __UCLIBC_MJN3_ONLY__ #warning TODO: Initialize code2flag correctly based on locale_mmap. #endif base->code2flag = __code2flag; _locale_set_l(C_LOCALE_SELECTOR, base); } void attribute_hidden _locale_init(void) { /* TODO: mmap the locale file */ /* TODO - ??? */ _locale_init_l(__global_locale); } #endif /**********************************************************************/ #if defined(L_nl_langinfo) || defined(L_nl_langinfo_l) #ifdef __LOCALE_C_ONLY /* We need to index 320 bytes of data, so you might initially think we * need to store the offsets in shorts. But since the offset of the * 64th item is 182, we'll store "offset - 2*64" for all items >= 64 * and always calculate the data offset as "offset[i] + 2*(i & 64)". * This allows us to pack the data offsets in an unsigned char while * also avoiding an "if". * * Note: Category order is assumed to be: * ctype, numeric, monetary, time, collate, messages, all */ #define C_LC_ALL 6 /* Combine the data to avoid size penalty for seperate char arrays when * compiler aligns objects. The original code is left in as documentation. */ #define cat_start nl_data #define C_locale_data (nl_data + C_LC_ALL + 1 + 90) static const unsigned char nl_data[C_LC_ALL + 1 + 90 + 320] = { /* static const char cat_start[LC_ALL + 1] = { */ '\x00', '\x0b', '\x0e', '\x24', '\x56', '\x56', '\x5a', /* }; */ /* static const char item_offset[90] = { */ '\x00', '\x02', '\x04', '\x06', '\x08', '\x0a', '\x0c', '\x0e', '\x10', '\x12', '\x14', '\x1a', '\x1b', '\x1b', '\x1b', '\x1b', '\x1b', '\x1b', '\x1b', '\x1b', '\x1b', '\x1c', '\x1c', '\x1c', '\x1c', '\x1c', '\x1c', '\x1c', '\x1c', '\x1c', '\x1c', '\x1c', '\x1c', '\x1c', '\x1c', '\x1e', '\x20', '\x24', '\x28', '\x2c', '\x30', '\x34', '\x38', '\x3c', '\x43', '\x4a', '\x52', '\x5c', '\x65', '\x6c', '\x75', '\x79', '\x7d', '\x81', '\x85', '\x89', '\x8d', '\x91', '\x95', '\x99', '\x9d', '\xa1', '\xa5', '\xad', '\x36', '\x3c', '\x42', '\x46', '\x4b', '\x50', '\x57', '\x61', '\x69', '\x72', '\x7b', '\x7e', '\x81', '\x96', '\x9f', '\xa8', '\xb3', '\xb3', '\xb3', '\xb3', '\xb3', '\xb3', '\xb4', '\xba', '\xbf', '\xbf', /* }; */ /* static const char C_locale_data[320] = { */ '0', '\x00', '1', '\x00', '2', '\x00', '3', '\x00', '4', '\x00', '5', '\x00', '6', '\x00', '7', '\x00', '8', '\x00', '9', '\x00', 'A', 'S', 'C', 'I', 'I', '\x00', '.', '\x00', '\x7f', '\x00', '-', '\x00', 'S', 'u', 'n', '\x00', 'M', 'o', 'n', '\x00', 'T', 'u', 'e', '\x00', 'W', 'e', 'd', '\x00', 'T', 'h', 'u', '\x00', 'F', 'r', 'i', '\x00', 'S', 'a', 't', '\x00', 'S', 'u', 'n', 'd', 'a', 'y', '\x00', 'M', 'o', 'n', 'd', 'a', 'y', '\x00', 'T', 'u', 'e', 's', 'd', 'a', 'y', '\x00', 'W', 'e', 'd', 'n', 'e', 's', 'd', 'a', 'y', '\x00', 'T', 'h', 'u', 'r', 's', 'd', 'a', 'y', '\x00', 'F', 'r', 'i', 'd', 'a', 'y', '\x00', 'S', 'a', 't', 'u', 'r', 'd', 'a', 'y', '\x00', 'J', 'a', 'n', '\x00', 'F', 'e', 'b', '\x00', 'M', 'a', 'r', '\x00', 'A', 'p', 'r', '\x00', 'M', 'a', 'y', '\x00', 'J', 'u', 'n', '\x00', 'J', 'u', 'l', '\x00', 'A', 'u', 'g', '\x00', 'S', 'e', 'p', '\x00', 'O', 'c', 't', '\x00', 'N', 'o', 'v', '\x00', 'D', 'e', 'c', '\x00', 'J', 'a', 'n', 'u', 'a', 'r', 'y', '\x00', 'F', 'e', 'b', 'r', 'u', 'a', 'r', 'y', '\x00', 'M', 'a', 'r', 'c', 'h', '\x00', 'A', 'p', 'r', 'i', 'l', '\x00', 'M', 'a', 'y', '\x00', 'J', 'u', 'n', 'e', '\x00', 'J', 'u', 'l', 'y', '\x00', 'A', 'u', 'g', 'u', 's', 't', '\x00', 'S', 'e', 'p', 't', 'e', 'm', 'b', 'e', 'r', '\x00', 'O', 'c', 't', 'o', 'b', 'e', 'r', '\x00', 'N', 'o', 'v', 'e', 'm', 'b', 'e', 'r', '\x00', 'D', 'e', 'c', 'e', 'm', 'b', 'e', 'r', '\x00', 'A', 'M', '\x00', 'P', 'M', '\x00', '%', 'a', ' ', '%', 'b', ' ', '%', 'e', ' ', '%', 'H', ':', '%', 'M', ':', '%', 'S', ' ', '%', 'Y', '\x00', '%', 'm', '/', '%', 'd', '/', '%', 'y', '\x00', '%', 'H', ':', '%', 'M', ':', '%', 'S', '\x00', '%', 'I', ':', '%', 'M', ':', '%', 'S', ' ', '%', 'p', '\x00', '^', '[', 'y', 'Y', ']', '\x00', '^', '[', 'n', 'N', ']', '\x00', }; libc_hidden_proto(nl_langinfo) char *nl_langinfo(nl_item item) { unsigned int c; unsigned int i; if ((c = _NL_ITEM_CATEGORY(item)) < C_LC_ALL) { if ((i = cat_start[c] + _NL_ITEM_INDEX(item)) < cat_start[c+1]) { /* return (char *) C_locale_data + item_offset[i] + (i & 64); */ return (char *) C_locale_data + nl_data[C_LC_ALL+1+i] + 2*(i & 64); } } return (char *) cat_start; /* Conveniently, this is the empty string. */ } libc_hidden_def(nl_langinfo) #else /* __LOCALE_C_ONLY */ #if defined(__UCLIBC_HAS_XLOCALE__) && !defined(__UCLIBC_DO_XLOCALE) libc_hidden_proto(nl_langinfo) libc_hidden_proto(nl_langinfo_l) char *nl_langinfo(nl_item item) { return nl_langinfo_l(item, __UCLIBC_CURLOCALE); } libc_hidden_def(nl_langinfo) #else /* defined(__UCLIBC_HAS_XLOCALE__) && !defined(__UCLIBC_DO_XLOCALE) */ libc_hidden_proto(__XL_NPP(nl_langinfo)) static const char empty[] = ""; char *__XL_NPP(nl_langinfo)(nl_item item __LOCALE_PARAM ) { unsigned int c = _NL_ITEM_CATEGORY(item); unsigned int i = _NL_ITEM_INDEX(item); if ((c < LC_ALL) && (i < __LOCALE_PTR->category_item_count[c])) { return ((char **)(((char *) __LOCALE_PTR) + __LOCALE_PTR->category_offsets[c]))[i]; } return (char *) empty; } libc_hidden_def(__XL_NPP(nl_langinfo)) #endif /* defined(__UCLIBC_HAS_XLOCALE__) && !defined(__UCLIBC_DO_XLOCALE) */ #endif /* __LOCALE_C_ONLY */ #endif /**********************************************************************/ #ifdef L_newlocale libc_hidden_proto(newlocale) #ifdef __UCLIBC_MJN3_ONLY__ #warning TODO: Move posix and utf8 strings. #endif static const char posix[] = "POSIX"; static const char utf8[] = "UTF-8"; static int find_locale(int category_mask, const char *p, unsigned char *new_locale) { int i; const unsigned char *s; uint16_t n; unsigned char lang_cult, codeset; #if defined(__LOCALE_DATA_AT_MODIFIERS_LENGTH) && 1 /* Support standard locale handling for @-modifiers. */ #ifdef __UCLIBC_MJN3_ONLY__ #warning REMINDER: Fix buf size in find_locale. #endif char buf[18]; /* TODO: 7+{max codeset name length} */ const char *q; if ((q = strchr(p,'@')) != NULL) { if ((((size_t)((q-p)-5)) > (sizeof(buf) - 5)) || (p[2] != '_')) { return 0; } /* locale name at least 5 chars long and 3rd char is '_' */ s = LOCALE_AT_MODIFIERS; do { if (!strcmp(s+2, q+1)) { break; } s += 2 + *s; /* TODO - fix this throughout */ } while (*s); if (!*s) { return 0; } assert(q - p < sizeof(buf)); memcpy(buf, p, q-p); buf[q-p] = 0; buf[2] = s[1]; p = buf; } #endif lang_cult = codeset = 0; /* Assume C and default codeset. */ if (((*p == 'C') && !p[1]) || !strcmp(p, posix)) { goto FIND_LOCALE; } if ((strlen(p) > 5) && (p[5] == '.')) { /* Codeset in locale name? */ /* TODO: maybe CODESET_LIST + *s ??? */ /* 7bit is 1, UTF-8 is 2, 8-bit is >= 3 */ codeset = 2; if (strcmp(utf8,p+6) != 0) {/* TODO - fix! */ s = CODESET_LIST; do { ++codeset; /* Increment codeset first. */ if (!strcmp(CODESET_LIST+*s, p+6)) { goto FIND_LANG_CULT; } } while (*++s); return 0; /* No matching codeset! */ } } FIND_LANG_CULT: /* Find language_culture number. */ s = LOCALE_NAMES; do { /* TODO -- do a binary search? */ /* TODO -- fix gen_mmap!*/ ++lang_cult; /* Increment first since C/POSIX is 0. */ if (!strncmp(s,p,5)) { /* Found a matching locale name; */ goto FIND_LOCALE; } s += 5; } while (lang_cult < __LOCALE_DATA_NUM_LOCALE_NAMES); return 0; /* No matching language_culture! */ FIND_LOCALE: /* Find locale row matching name and codeset */ s = LOCALES; n = 0; do { /* TODO -- do a binary search? */ if ((lang_cult == *s) && ((codeset == s[1]) || (codeset == s[2]))) { i = 1; s = new_locale + 1; do { if (category_mask & i) { /* Encode current locale row number. */ ((unsigned char *) s)[0] = (n >> 7) | 0x80; ((unsigned char *) s)[1] = (n & 0x7f) | 0x80; } s += 2; i += i; } while (i < (1 << LC_ALL)); return i; /* Return non-zero */ } s += __LOCALE_DATA_WIDTH_LOCALES; ++n; } while (n <= __LOCALE_DATA_NUM_LOCALES); /* We started at 1!!! */ return 0; /* Unsupported locale. */ } static unsigned char *composite_locale(int category_mask, const char *locale, unsigned char *new_locale) { char buf[MAX_LOCALE_STR]; char *t; char *e; int c; int component_mask; if (!strchr(locale,'=')) { if (!find_locale(category_mask, locale, new_locale)) { return NULL; } return new_locale; } if (strlen(locale) >= sizeof(buf)) { return NULL; } stpcpy(buf, locale); component_mask = 0; t = strtok_r(buf, "=", &e); /* This can't fail because of strchr test above. */ do { c = 0; while (strcmp(CATEGORY_NAMES + (int) CATEGORY_NAMES[c], t)) { if (++c == LC_ALL) { /* Unknown category name! */ return NULL; } } t = strtok_r(NULL, ";", &e); c = (1 << c); if (component_mask & c) { /* Multiple components for one category. */ return NULL; } component_mask |= c; if ((category_mask & c) && (!t || !find_locale(c, t, new_locale))) { return NULL; } } while ((t = strtok_r(NULL, "=", &e)) != NULL); if (category_mask & ~component_mask) { /* Category component(s) missing. */ return NULL; } return new_locale; } __locale_t newlocale(int category_mask, const char *locale, __locale_t base) { const unsigned char *p; int i, j, k; unsigned char new_selector[LOCALE_SELECTOR_SIZE]; if (category_mask == (1 << LC_ALL)) { category_mask = LC_ALL_MASK; } if (!locale || (((unsigned int)(category_mask)) > LC_ALL_MASK)) { INVALID: __set_errno(EINVAL); return NULL; /* No locale or illegal/unsupported category. */ } #ifdef __UCLIBC_MJN3_ONLY__ #warning TODO: Rename cur_locale to locale_selector. #endif strcpy((char *) new_selector, (base ? (char *) base->cur_locale : C_LOCALE_SELECTOR)); if (!*locale) { /* locale == "", so check environment. */ #ifndef __UCLIBC_HAS_THREADS__ static /* If no threads, then envstr can be static. */ #endif /* __UCLIBC_HAS_THREADS__ */ const char *envstr[4] = { "LC_ALL", NULL, "LANG", posix }; i = 1; k = 0; do { if (category_mask & i) { /* Note: SUSv3 doesn't define a fallback mechanism here. * So, if LC_ALL is invalid, we do _not_ continue trying * the other environment vars. */ envstr[1] = CATEGORY_NAMES + CATEGORY_NAMES[k]; j = 0; do { p = envstr[j]; } while ((++j < 4) && (!(p = getenv(p)) || !*p)); /* The user set something... is it valid? */ /* Note: Since we don't support user-supplied locales and * alternate paths, we don't need to worry about special * handling for suid/sgid apps. */ if (!find_locale(i, p, new_selector)) { goto INVALID; } } i += i; } while (++k < LC_ALL); } else if (!composite_locale(category_mask, locale, new_selector)) { goto INVALID; } #ifdef __UCLIBC_MJN3_ONLY__ #warning TODO: Do a compatible codeset check! #endif /* If we get here, the new selector corresponds to a valid locale. */ #ifdef __UCLIBC_MJN3_ONLY__ #warning CONSIDER: Probably want a _locale_new func to allow for caching of locales. #endif #if 0 if (base) { _locale_set_l(new_selector, base); } else { base = _locale_new(new_selector); } #else if (!base) { if ((base = malloc(sizeof(__uclibc_locale_t))) == NULL) { return base; } _locale_init_l(base); } _locale_set_l(new_selector, base); #endif return base; } libc_hidden_def(newlocale) #endif /**********************************************************************/ #ifdef L_duplocale libc_hidden_proto(duplocale) #ifdef __UCLIBC_MJN3_ONLY__ #warning REMINDER: When we allocate ctype tables, remember to dup them. #endif __locale_t duplocale(__locale_t dataset) { __locale_t r; uint16_t * i2w; size_t n; assert(dataset != LC_GLOBAL_LOCALE); if ((r = malloc(sizeof(__uclibc_locale_t))) != NULL) { n = 2*dataset->collate.max_col_index+2; if ((i2w = calloc(n, sizeof(uint16_t))) != NULL ) { memcpy(r, dataset, sizeof(__uclibc_locale_t)); r->collate.index2weight = i2w; memcpy(i2w, dataset->collate.index2weight, n * sizeof(uint16_t)); } else { free(r); r = NULL; } } return r; } libc_hidden_def(duplocale) #endif /**********************************************************************/ #ifdef L_freelocale #ifdef __UCLIBC_MJN3_ONLY__ #warning REMINDER: When we allocate ctype tables, remember to free them. #endif void freelocale(__locale_t dataset) { assert(dataset != __global_locale); assert(dataset != LC_GLOBAL_LOCALE); free(dataset->collate.index2weight); /* Free collation data. */ free(dataset); /* Free locale */ } #endif /**********************************************************************/ #ifdef L_uselocale libc_hidden_proto(uselocale) __locale_t uselocale(__locale_t dataset) { __locale_t old; if (!dataset) { old = __UCLIBC_CURLOCALE; } else { if (dataset == LC_GLOBAL_LOCALE) { dataset = __global_locale; } #ifdef __UCLIBC_HAS_THREADS__ old = __curlocale_set(dataset); #else old = __curlocale_var; __curlocale_var = dataset; #endif } if (old == __global_locale) { return LC_GLOBAL_LOCALE; } return old; } libc_hidden_def(uselocale) #endif /**********************************************************************/ #ifdef L___curlocale #ifdef __UCLIBC_HAS_THREADS__ __locale_t weak_const_function __curlocale(void) { return __curlocale_var; /* This is overriden by the thread version. */ } __locale_t weak_function __curlocale_set(__locale_t newloc) { __locale_t oldloc = __curlocale_var; assert(newloc != LC_GLOBAL_LOCALE); __curlocale_var = newloc; return oldloc; } #endif #endif /**********************************************************************/ #ifdef L___locale_mbrtowc_l /* NOTE: This returns an int... not size_t. Also, it is not a general * routine. It is actually a very stripped-down version of mbrtowc * that takes a __locale_t arg. This is used by strcoll and strxfrm. * It is also used above to generate wchar_t versions of the decimal point * and thousands seperator. */ #ifndef __CTYPE_HAS_UTF_8_LOCALES #warning __CTYPE_HAS_UTF_8_LOCALES not set! #endif #ifndef __CTYPE_HAS_8_BIT_LOCALES #warning __CTYPE_HAS_8_BIT_LOCALES not set! #endif #define Cc2wc_IDX_SHIFT __LOCALE_DATA_Cc2wc_IDX_SHIFT #define Cc2wc_ROW_LEN __LOCALE_DATA_Cc2wc_ROW_LEN extern size_t _wchar_utf8sntowcs(wchar_t *__restrict pwc, size_t wn, const char **__restrict src, size_t n, mbstate_t *ps, int allow_continuation) attribute_hidden; int attribute_hidden __locale_mbrtowc_l(wchar_t *__restrict dst, const char *__restrict src, __locale_t loc ) { #ifdef __CTYPE_HAS_UTF_8_LOCALES if (loc->encoding == __ctype_encoding_utf8) { mbstate_t ps; const char *p = src; size_t r; ps.__mask = 0; r = _wchar_utf8sntowcs(dst, 1, &p, SIZE_MAX, &ps, 1); return (r == 1) ? (p-src) : r; /* Need to return 0 if nul char. */ } #endif #ifdef __CTYPE_HAS_8_BIT_LOCALES assert((loc->encoding == __ctype_encoding_7_bit) || (loc->encoding == __ctype_encoding_8_bit)); #else assert(loc->encoding == __ctype_encoding_7_bit); #endif if ((*dst = ((unsigned char)(*src))) < 0x80) { /* ASCII... */ return (*src != 0); } #ifdef __CTYPE_HAS_8_BIT_LOCALES if (loc->encoding == __ctype_encoding_8_bit) { wchar_t wc = *dst - 0x80; *dst = loc->tbl8c2wc[ (loc->idx8c2wc[wc >> Cc2wc_IDX_SHIFT] << Cc2wc_IDX_SHIFT) + (wc & (Cc2wc_ROW_LEN - 1))]; if (*dst) { return 1; } } #endif return -1; } #endif /**********************************************************************/