diff options
| -rw-r--r-- | ChangeLog | 40 | ||||
| -rw-r--r-- | locale/C-address.c | 3 | ||||
| -rw-r--r-- | locale/C-collate.c | 3 | ||||
| -rw-r--r-- | locale/C-ctype.c | 3 | ||||
| -rw-r--r-- | locale/C-identification.c | 3 | ||||
| -rw-r--r-- | locale/C-measurement.c | 3 | ||||
| -rw-r--r-- | locale/C-messages.c | 3 | ||||
| -rw-r--r-- | locale/C-monetary.c | 3 | ||||
| -rw-r--r-- | locale/C-name.c | 3 | ||||
| -rw-r--r-- | locale/C-numeric.c | 3 | ||||
| -rw-r--r-- | locale/C-paper.c | 3 | ||||
| -rw-r--r-- | locale/C-telephone.c | 3 | ||||
| -rw-r--r-- | locale/C-time.c | 3 | ||||
| -rw-r--r-- | locale/lc-time.c | 299 | ||||
| -rw-r--r-- | locale/loadlocale.c | 5 | ||||
| -rw-r--r-- | locale/localeinfo.h | 51 | ||||
| -rw-r--r-- | time/Makefile | 1 | ||||
| -rw-r--r-- | time/alt_digit.c | 193 | ||||
| -rw-r--r-- | time/era.c | 177 | ||||
| -rw-r--r-- | time/lc-time-cleanup.c | 41 | ||||
| -rw-r--r-- | time/strftime.c | 20 |
21 files changed, 540 insertions, 323 deletions
@@ -1,3 +1,43 @@ +2002-08-28 Roland McGrath <roland@redhat.com> + + * locale/lc-time.c (_nl_init_era_entries, _nl_get_era_entry, + _nl_select_era_entry): Moved to ... + * time/era.c: ... here, new file. + (_nl_init_era_entries, _nl_get_era_entry, _nl_select_era_entry): + Add internal_function to definitions. Take an additional argument + giving the `struct locale_data *' to use. + * locale/lc-time.c (_get_alt_digit, _nl_get_walt_digit, + _nl_parse_alt_digit): Moved to ... + * time/alt_digit.c: ... here, new file. + * time/lc-time-cleanup.c: New file. + * locale/lc-time.c (_nl_postload_time, free_mem): Functions removed. + * locale/localeinfo.h (_nl_postload_time): Remove decl. + (_nl_cleanup_time): Declare it. + (_nl_get_era_entry, _nl_select_era_entry): Update decls. + (_get_alt_digit, _nl_get_walt_digit, _nl_parse_alt_digit): Likewise. + * time/Makefile (aux): New variable: era, alt_digit, lc-time-cleanup. + * time/strftime.c: Pass locale data to helper functions. + * time/strptime.c: Likewise. + + * locale/localeinfo.h (struct locale_data): New member `private' + * locale/loadlocale.c (_nl_intern_locale_data): Initialize it. + (_nl_unload_locale): Call LOCALE->private.cleanup if it is set. + * locale/C-collate.c: Update initializer. + * locale/C-identification.c: Likewise. + * locale/C-measurement.c: Likewise. + * locale/C-telephone.c: Likewise. + * locale/C-address.c: Likewise. + * locale/C-name.c: Likewise. + * locale/C-paper.c: Likewise. + * locale/C-time.c: Likewise. + * locale/C-numeric.c: Likewise. + * locale/C-monetary.c: Likewise. + * locale/C-messages.c : Likewise. + * locale/C-ctype.c: Likewise. + + * time/strptime.c [USE_IN_EXTENDED_LOCALE_MODEL] (_NL_CURRENT_WORD): + Redefine this too. + 2002-08-28 Jakub Jelinek <jakub@redhat.com> * sysdeps/ia64/elf/configure.in (PI_STATIC_AND_HIDDEN): Define diff --git a/locale/C-address.c b/locale/C-address.c index 78b5a28..2c6a088 100644 --- a/locale/C-address.c +++ b/locale/C-address.c @@ -27,7 +27,8 @@ const struct locale_data _nl_C_LC_ADDRESS attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 13, diff --git a/locale/C-collate.c b/locale/C-collate.c index f6db63f..f5a61f2 100644 --- a/locale/C-collate.c +++ b/locale/C-collate.c @@ -101,7 +101,8 @@ static const uint32_t collseqwc[] = const struct locale_data _nl_C_LC_COLLATE attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 19, diff --git a/locale/C-ctype.c b/locale/C-ctype.c index 5723484..c65c345 100644 --- a/locale/C-ctype.c +++ b/locale/C-ctype.c @@ -541,7 +541,8 @@ typedef int assertion1[1 - 2 * (NR_FIXED != _NL_ITEM_INDEX (_NL_CTYPE_EXTRA_MAP_ const struct locale_data _nl_C_LC_CTYPE attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 1, /* Enable transliteration by default. */ NR_FIXED + NR_CLASSES + NR_MAPS, diff --git a/locale/C-identification.c b/locale/C-identification.c index 542b33c..1aceca0 100644 --- a/locale/C-identification.c +++ b/locale/C-identification.c @@ -27,7 +27,8 @@ const struct locale_data _nl_C_LC_IDENTIFICATION attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 16, diff --git a/locale/C-measurement.c b/locale/C-measurement.c index 0a9c983..7b1fcac 100644 --- a/locale/C-measurement.c +++ b/locale/C-measurement.c @@ -27,7 +27,8 @@ const struct locale_data _nl_C_LC_MEASUREMENT attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 2, diff --git a/locale/C-messages.c b/locale/C-messages.c index f446e3d..63f0c38 100644 --- a/locale/C-messages.c +++ b/locale/C-messages.c @@ -27,7 +27,8 @@ const struct locale_data _nl_C_LC_MESSAGES attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 5, diff --git a/locale/C-monetary.c b/locale/C-monetary.c index 643a1c4..ce359e5 100644 --- a/locale/C-monetary.c +++ b/locale/C-monetary.c @@ -31,7 +31,8 @@ static const char not_available[] = "\177"; const struct locale_data _nl_C_LC_MONETARY attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 46, diff --git a/locale/C-name.c b/locale/C-name.c index 7e714b3..bea6e85 100644 --- a/locale/C-name.c +++ b/locale/C-name.c @@ -27,7 +27,8 @@ const struct locale_data _nl_C_LC_NAME attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 7, diff --git a/locale/C-numeric.c b/locale/C-numeric.c index 1171a4b..3c53486 100644 --- a/locale/C-numeric.c +++ b/locale/C-numeric.c @@ -24,7 +24,8 @@ const struct locale_data _nl_C_LC_NUMERIC attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 6, diff --git a/locale/C-paper.c b/locale/C-paper.c index 62d1a7d..1a602a6 100644 --- a/locale/C-paper.c +++ b/locale/C-paper.c @@ -27,7 +27,8 @@ const struct locale_data _nl_C_LC_PAPER attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 3, diff --git a/locale/C-telephone.c b/locale/C-telephone.c index abd667e..4bd81e7 100644 --- a/locale/C-telephone.c +++ b/locale/C-telephone.c @@ -27,7 +27,8 @@ const struct locale_data _nl_C_LC_TELEPHONE attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 5, diff --git a/locale/C-time.c b/locale/C-time.c index b50fea5..f638f94 100644 --- a/locale/C-time.c +++ b/locale/C-time.c @@ -26,7 +26,8 @@ const struct locale_data _nl_C_LC_TIME attribute_hidden = { _nl_C_name, - NULL, 0, 0, /* no file mapped */ + NULL, 0, 0, /* no file mapped */ + { NULL, }, /* no cached data */ UNDELETABLE, 0, 111, diff --git a/locale/lc-time.c b/locale/lc-time.c index 161a6a5..fa45066 100644 --- a/locale/lc-time.c +++ b/locale/lc-time.c @@ -17,305 +17,6 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include <bits/libc-lock.h> -#include <endian.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <wchar.h> #include "localeinfo.h" _NL_CURRENT_DEFINE (LC_TIME); - -/* Some of the functions here must not be used while setlocale is called. */ -__libc_lock_define (extern, __libc_setlocale_lock attribute_hidden) - - -static int era_initialized; - -static struct era_entry *eras; -static size_t num_eras; -static int alt_digits_initialized; -static const char **alt_digits; - - -static int walt_digits_initialized; -static const wchar_t **walt_digits; - - -void -_nl_postload_time (void) -{ - /* Prepare lazy initialization of `era' and `alt_digits' array. */ - era_initialized = 0; - alt_digits_initialized = 0; - walt_digits_initialized = 0; -} - -#define ERA_DATE_CMP(a, b) \ - (a[0] < b[0] || (a[0] == b[0] && (a[1] < b[1] \ - || (a[1] == b[1] && a[2] <= b[2])))) - -static void -_nl_init_era_entries (void) -{ - size_t cnt; - - __libc_lock_lock (__libc_setlocale_lock); - - if (era_initialized == 0) - { - size_t new_num_eras = _NL_CURRENT_WORD (LC_TIME, - _NL_TIME_ERA_NUM_ENTRIES); - if (new_num_eras == 0) - { - free (eras); - eras = NULL; - } - else - { - struct era_entry *new_eras = eras; - - if (num_eras != new_num_eras) - new_eras = - (struct era_entry *) realloc (eras, - new_num_eras - * sizeof (struct era_entry)); - if (new_eras == NULL) - { - free (eras); - num_eras = 0; - eras = NULL; - } - else - { - const char *ptr = _NL_CURRENT (LC_TIME, _NL_TIME_ERA_ENTRIES); - num_eras = new_num_eras; - eras = new_eras; - - for (cnt = 0; cnt < num_eras; ++cnt) - { - const char *base_ptr = ptr; - memcpy ((void *) (eras + cnt), (const void *) ptr, - sizeof (uint32_t) * 8); - - if (ERA_DATE_CMP(eras[cnt].start_date, - eras[cnt].stop_date)) - if (eras[cnt].direction == (uint32_t) '+') - eras[cnt].absolute_direction = 1; - else - eras[cnt].absolute_direction = -1; - else - if (eras[cnt].direction == (uint32_t) '+') - eras[cnt].absolute_direction = -1; - else - eras[cnt].absolute_direction = 1; - - /* Skip numeric values. */ - ptr += sizeof (uint32_t) * 8; - - /* Set and skip era name. */ - eras[cnt].era_name = ptr; - ptr = strchr (ptr, '\0') + 1; - - /* Set and skip era format. */ - eras[cnt].era_format = ptr; - ptr = strchr (ptr, '\0') + 1; - - ptr += 3 - (((ptr - (const char *) base_ptr) + 3) & 3); - - /* Set and skip wide era name. */ - eras[cnt].era_wname = (wchar_t *) ptr; - ptr = (char *) (wcschr ((wchar_t *) ptr, L'\0') + 1); - - /* Set and skip wide era format. */ - eras[cnt].era_wformat = (wchar_t *) ptr; - ptr = (char *) (wcschr ((wchar_t *) ptr, L'\0') + 1); - } - } - } - - era_initialized = 1; - } - - __libc_lock_unlock (__libc_setlocale_lock); -} - - -struct era_entry * -_nl_get_era_entry (const struct tm *tp) -{ - struct era_entry *result; - int32_t tdate[3]; - size_t cnt; - - tdate[0] = tp->tm_year; - tdate[1] = tp->tm_mon; - tdate[2] = tp->tm_mday; - - if (era_initialized == 0) - _nl_init_era_entries (); - - /* Now compare date with the available eras. */ - for (cnt = 0; cnt < num_eras; ++cnt) - if ((ERA_DATE_CMP(eras[cnt].start_date, tdate) - && ERA_DATE_CMP(tdate, eras[cnt].stop_date)) - || (ERA_DATE_CMP(eras[cnt].stop_date, tdate) - && ERA_DATE_CMP(tdate, eras[cnt].start_date))) - break; - - result = cnt < num_eras ? &eras[cnt] : NULL; - - return result; -} - - -struct era_entry * -_nl_select_era_entry (int cnt) -{ - if (era_initialized == 0) - _nl_init_era_entries (); - - return &eras[cnt]; -} - - -const char * -_nl_get_alt_digit (unsigned int number) -{ - const char *result; - - __libc_lock_lock (__libc_setlocale_lock); - - if (alt_digits_initialized == 0) - { - alt_digits_initialized = 1; - - if (alt_digits == NULL) - alt_digits = malloc (100 * sizeof (const char *)); - - if (alt_digits != NULL) - { - const char *ptr = _NL_CURRENT (LC_TIME, ALT_DIGITS); - size_t cnt; - - if (alt_digits != NULL) - for (cnt = 0; cnt < 100; ++cnt) - { - alt_digits[cnt] = ptr; - - /* Skip digit format. */ - ptr = strchr (ptr, '\0') + 1; - } - } - } - - result = alt_digits != NULL && number < 100 ? alt_digits[number] : NULL; - - __libc_lock_unlock (__libc_setlocale_lock); - - return result; -} - - -const wchar_t * -_nl_get_walt_digit (unsigned int number) -{ - const wchar_t *result; - - __libc_lock_lock (__libc_setlocale_lock); - - if (walt_digits_initialized == 0) - { - walt_digits_initialized = 1; - - if (walt_digits == NULL) - walt_digits = malloc (100 * sizeof (const uint32_t *)); - - if (walt_digits != NULL) - { - const wchar_t *ptr = _NL_CURRENT_WSTR (LC_TIME, _NL_WALT_DIGITS); - size_t cnt; - - for (cnt = 0; cnt < 100; ++cnt) - { - walt_digits[cnt] = ptr; - - /* Skip digit format. */ - ptr = wcschr (ptr, L'\0') + 1; - } - } - } - - result = walt_digits != NULL && number < 100 ? walt_digits[number] : NULL; - - __libc_lock_unlock (__libc_setlocale_lock); - - return (wchar_t *) result; -} - - -int -_nl_parse_alt_digit (const char **strp) -{ - const char *str = *strp; - int result = -1; - size_t cnt; - size_t maxlen = 0; - - __libc_lock_lock (__libc_setlocale_lock); - - if (alt_digits_initialized == 0) - { - alt_digits_initialized = 1; - - if (alt_digits == NULL) - alt_digits = malloc (100 * sizeof (const char *)); - - if (alt_digits != NULL) - { - const char *ptr = _NL_CURRENT (LC_TIME, ALT_DIGITS); - - if (alt_digits != NULL) - for (cnt = 0; cnt < 100; ++cnt) - { - alt_digits[cnt] = ptr; - - /* Skip digit format. */ - ptr = strchr (ptr, '\0') + 1; - } - } - } - - /* Matching is not unambiguos. The alternative digits could be like - I, II, III, ... and the first one is a substring of the second - and third. Therefore we must keep on searching until we found - the longest possible match. Note that this is not specified in - the standard. */ - for (cnt = 0; cnt < 100; ++cnt) - { - size_t len = strlen (alt_digits[cnt]); - - if (len > maxlen && strncmp (alt_digits[cnt], str, len) == 0) - { - maxlen = len; - result = (int) cnt; - } - } - - __libc_lock_unlock (__libc_setlocale_lock); - - if (result != -1) - *strp += maxlen; - - return result; -} - - -static void -free_mem (void) -{ - free (alt_digits); - free (walt_digits); -} -text_set_element (__libc_subfreeres, free_mem); diff --git a/locale/loadlocale.c b/locale/loadlocale.c index ebf25f3..32faad5 100644 --- a/locale/loadlocale.c +++ b/locale/loadlocale.c @@ -99,6 +99,8 @@ _nl_intern_locale_data (int category, const void *data, size_t datasize) newdata->filedata = (void *) filedata; newdata->filesize = datasize; + newdata->private.data = NULL; + newdata->private.cleanup = NULL; newdata->usage_count = 0; newdata->use_translit = 0; newdata->nstrings = filedata->nstrings; @@ -251,6 +253,9 @@ void internal_function _nl_unload_locale (struct locale_data *locale) { + if (locale->private.cleanup) + (*locale->private.cleanup) (locale); + switch (__builtin_expect (locale->alloc, ld_mapped)) { case ld_malloced: diff --git a/locale/localeinfo.h b/locale/localeinfo.h index 4e8c86e..186aa71 100644 --- a/locale/localeinfo.h +++ b/locale/localeinfo.h @@ -54,6 +54,19 @@ struct locale_data ld_archive /* Both point into mmap'd archive regions. */ } alloc; + /* This provides a slot for category-specific code to cache data computed + about this locale. That code can set a cleanup function to deallocate + the data. */ + struct + { + void (*cleanup) (struct locale_data *) internal_function; + union + { + void *data; + struct lc_time_data *time; + }; + } private; + unsigned int usage_count; /* Counter for users. */ int use_translit; /* Nonzero if the mb*towv*() and wc*tomb() @@ -124,6 +137,19 @@ struct era_entry -1 indicates that year number is higher in the past. (like B.C.) */ }; +/* Structure caching computed data about information from LC_TIME. + The `private.time' member of `struct locale_data' points to this. */ +struct lc_time_data +{ + struct era_entry *eras; + size_t num_eras; + int era_initialized; + + const char **alt_digits; + const wchar_t **walt_digits; + int alt_digits_initialized, walt_digits_initialized; +}; + /* LC_CTYPE specific: Hardwired indices for standard wide character translation mappings. */ @@ -303,23 +329,36 @@ extern struct locale_data *_nl_intern_locale_data (int category, /* Return `era' entry which corresponds to TP. Used in strftime. */ -extern struct era_entry *_nl_get_era_entry (const struct tm *tp); +extern struct era_entry *_nl_get_era_entry (const struct tm *tp, + struct locale_data *lc_time) + internal_function attribute_hidden; /* Return `era' cnt'th entry . Used in strptime. */ -extern struct era_entry *_nl_select_era_entry (int cnt); +extern struct era_entry *_nl_select_era_entry (int cnt, + struct locale_data *lc_time) + internal_function attribute_hidden; /* Return `alt_digit' which corresponds to NUMBER. Used in strftime. */ -extern const char *_nl_get_alt_digit (unsigned int number); +extern const char *_nl_get_alt_digit (unsigned int number, + struct locale_data *lc_time) + internal_function attribute_hidden; /* Similar, but now for wide characters. */ -extern const wchar_t *_nl_get_walt_digit (unsigned int number); +extern const wchar_t *_nl_get_walt_digit (unsigned int number, + struct locale_data *lc_time) + internal_function attribute_hidden; /* Parse string as alternative digit and return numeric value. */ -extern int _nl_parse_alt_digit (const char **strp); +extern int _nl_parse_alt_digit (const char **strp, + struct locale_data *lc_time) + internal_function attribute_hidden; /* Postload processing. */ extern void _nl_postload_ctype (void); -extern void _nl_postload_time (void); + +/* Functions used for the `private.cleanup' hook. */ +extern void _nl_cleanup_time (struct locale_data *) + internal_function attribute_hidden; #endif /* localeinfo.h */ diff --git a/time/Makefile b/time/Makefile index 246b980..da51316 100644 --- a/time/Makefile +++ b/time/Makefile @@ -30,6 +30,7 @@ routines := offtime asctime clock ctime ctime_r difftime \ stime dysize timegm ftime \ getdate strptime strptime_l \ strftime wcsftime strftime_l wcsftime_l +aux := era alt_digit lc-time-cleanup distribute := datemsk tests := test_time clocktest tst-posixtz tst-strptime tst_wcsftime \ diff --git a/time/alt_digit.c b/time/alt_digit.c new file mode 100644 index 0000000..1a81ba1 --- /dev/null +++ b/time/alt_digit.c @@ -0,0 +1,193 @@ +/* Helper functions used by strftime/strptime to handle alternate digits. + Copyright (C) 1995-2001,02 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "../locale/localeinfo.h" +#include <bits/libc-lock.h> +#include <stdlib.h> +#include <wchar.h> +#include <string.h> + +/* Some of the functions here must not be used while setlocale is called. */ +__libc_lock_define (extern, __libc_setlocale_lock attribute_hidden) + +#define CURRENT(item) (current->values[_NL_ITEM_INDEX (item)].string) +#define CURRENT_WSTR(item) \ + ((wchar_t *) current->values[_NL_ITEM_INDEX (item)].wstr) + +static void +_nl_init_alt_digit (struct locale_data *current) +{ + struct lc_time_data *data; + + if (current->private.time == NULL) + { + current->private.time = malloc (sizeof *current->private.time); + if (current->private.time == NULL) + return; + memset (current->private.time, 0, sizeof *current->private.time); + current->private.cleanup = &_nl_cleanup_time; + } + data = current->private.time; + + if (! data->alt_digits_initialized) + { + const char *ptr = CURRENT (ALT_DIGITS); + size_t cnt; + + data->alt_digits_initialized = 1; + + if (ptr != NULL) + { + data->alt_digits = malloc (100 * sizeof (const char *)); + if (data->alt_digits != NULL) + for (cnt = 0; cnt < 100; ++cnt) + { + data->alt_digits[cnt] = ptr; + + /* Skip digit format. */ + ptr = strchr (ptr, '\0') + 1; + } + } + } + +} + +const char * +internal_function +_nl_get_alt_digit (unsigned int number, struct locale_data *current) +{ + const char *result; + + if (number >= 100 || CURRENT (ALT_DIGITS)[0] == '\0') + return NULL; + + __libc_lock_lock (__libc_setlocale_lock); + + if (current->private.time == NULL + || ! current->private.time->alt_digits_initialized) + _nl_init_alt_digit (current); + + result = ((current->private.time != NULL + && current->private.time->alt_digits != NULL) + ? current->private.time->alt_digits[number] + : NULL); + + __libc_lock_unlock (__libc_setlocale_lock); + + return result; +} + + +const wchar_t * +internal_function +_nl_get_walt_digit (unsigned int number, struct locale_data *current) +{ + const wchar_t *result = NULL; + struct lc_time_data *data; + + if (number >= 100 || CURRENT_WSTR (_NL_WALT_DIGITS)[0] == L'\0') + return NULL; + + __libc_lock_lock (__libc_setlocale_lock); + + if (current->private.time == NULL) + { + current->private.time = malloc (sizeof *current->private.time); + if (current->private.time == NULL) + goto out; + memset (current->private.time, 0, sizeof *current->private.time); + current->private.cleanup = &_nl_cleanup_time; + } + data = current->private.time; + + if (! data->walt_digits_initialized) + { + const wchar_t *ptr = CURRENT_WSTR (_NL_WALT_DIGITS); + size_t cnt; + + data->walt_digits_initialized = 1; + + if (ptr != NULL) + { + data->walt_digits = malloc (100 * sizeof (const uint32_t *)); + if (data->walt_digits != NULL) + for (cnt = 0; cnt < 100; ++cnt) + { + data->walt_digits[cnt] = ptr; + + /* Skip digit format. */ + ptr = wcschr (ptr, L'\0') + 1; + } + } + } + + if (data->walt_digits != NULL) + result = data->walt_digits[number]; + + out: + __libc_lock_unlock (__libc_setlocale_lock); + + return (wchar_t *) result; +} + + +int +internal_function +_nl_parse_alt_digit (const char **strp, struct locale_data *current) +{ + const char *str = *strp; + int result = -1; + size_t cnt; + size_t maxlen = 0; + + if (CURRENT_WSTR (_NL_WALT_DIGITS)[0] == L'\0') + return result; + + __libc_lock_lock (__libc_setlocale_lock); + + if (current->private.time == NULL + || ! current->private.time->alt_digits_initialized) + _nl_init_alt_digit (current); + + if (current->private.time != NULL && + current->private.time->alt_digits != NULL) + /* Matching is not unambiguous. The alternative digits could be like + I, II, III, ... and the first one is a substring of the second + and third. Therefore we must keep on searching until we found + the longest possible match. Note that this is not specified in + the standard. */ + for (cnt = 0; cnt < 100; ++cnt) + { + const char *const dig = current->private.time->alt_digits[cnt]; + size_t len = strlen (dig); + + if (len > maxlen && strncmp (dig, str, len) == 0) + { + maxlen = len; + result = (int) cnt; + } + } + + __libc_lock_unlock (__libc_setlocale_lock); + + if (result != -1) + *strp += maxlen; + + return result; +} diff --git a/time/era.c b/time/era.c new file mode 100644 index 0000000..a8d2237 --- /dev/null +++ b/time/era.c @@ -0,0 +1,177 @@ +/* Helper functions used by strftime/strptime to handle locale-specific "eras". + Copyright (C) 1995-2001,02 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "../locale/localeinfo.h" +#include <bits/libc-lock.h> +#include <stdlib.h> +#include <wchar.h> +#include <string.h> + +/* Some of the functions here must not be used while setlocale is called. */ +__libc_lock_define (extern, __libc_setlocale_lock attribute_hidden) + +#define CURRENT(item) (current->values[_NL_ITEM_INDEX (item)].string) +#define CURRENT_WORD(item) (current->values[_NL_ITEM_INDEX (item)].word) + +#define ERA_DATE_CMP(a, b) \ + (a[0] < b[0] || (a[0] == b[0] && (a[1] < b[1] \ + || (a[1] == b[1] && a[2] <= b[2])))) + +/* Look up the era information in CURRENT's locale strings and + cache it in CURRENT->private. */ +static void internal_function +_nl_init_era_entries (struct locale_data *current) +{ + size_t cnt; + struct lc_time_data *data; + + /* Avoid touching CURRENT if there is no data at all, for _nl_C_LC_TIME. */ + if (CURRENT_WORD (_NL_TIME_ERA_NUM_ENTRIES) == 0) + return; + + __libc_lock_lock (__libc_setlocale_lock); + + if (current->private.time == NULL) + { + current->private.time = malloc (sizeof *current->private.time); + if (current->private.time == NULL) + goto out; + memset (current->private.time, 0, sizeof *current->private.time); + current->private.cleanup = &_nl_cleanup_time; + } + data = current->private.time; + + if (! data->era_initialized) + { + size_t new_num_eras = CURRENT_WORD (_NL_TIME_ERA_NUM_ENTRIES); + if (new_num_eras == 0) + { + if (data->eras != NULL) + { + free (data->eras); + data->eras = NULL; + } + } + else + { + struct era_entry *new_eras = data->eras; + + if (data->num_eras != new_num_eras) + new_eras = + (struct era_entry *) realloc (data->eras, + new_num_eras + * sizeof (struct era_entry)); + if (new_eras == NULL) + { + free (data->eras); + data->num_eras = 0; + data->eras = NULL; + } + else + { + const char *ptr = CURRENT (_NL_TIME_ERA_ENTRIES); + data->num_eras = new_num_eras; + data->eras = new_eras; + + for (cnt = 0; cnt < new_num_eras; ++cnt) + { + const char *base_ptr = ptr; + memcpy ((void *) (new_eras + cnt), (const void *) ptr, + sizeof (uint32_t) * 8); + + if (ERA_DATE_CMP(new_eras[cnt].start_date, + new_eras[cnt].stop_date)) + if (new_eras[cnt].direction == (uint32_t) '+') + new_eras[cnt].absolute_direction = 1; + else + new_eras[cnt].absolute_direction = -1; + else + if (new_eras[cnt].direction == (uint32_t) '+') + new_eras[cnt].absolute_direction = -1; + else + new_eras[cnt].absolute_direction = 1; + + /* Skip numeric values. */ + ptr += sizeof (uint32_t) * 8; + + /* Set and skip era name. */ + new_eras[cnt].era_name = ptr; + ptr = strchr (ptr, '\0') + 1; + + /* Set and skip era format. */ + new_eras[cnt].era_format = ptr; + ptr = strchr (ptr, '\0') + 1; + + ptr += 3 - (((ptr - (const char *) base_ptr) + 3) & 3); + + /* Set and skip wide era name. */ + new_eras[cnt].era_wname = (wchar_t *) ptr; + ptr = (char *) (wcschr ((wchar_t *) ptr, L'\0') + 1); + + /* Set and skip wide era format. */ + new_eras[cnt].era_wformat = (wchar_t *) ptr; + ptr = (char *) (wcschr ((wchar_t *) ptr, L'\0') + 1); + } + } + } + + data->era_initialized = 1; + } + + out: + __libc_lock_unlock (__libc_setlocale_lock); +} + +struct era_entry * +internal_function +_nl_get_era_entry (const struct tm *tp, struct locale_data *current) +{ + if (current->private.time == NULL || !current->private.time->era_initialized) + _nl_init_era_entries (current); + + if (current->private.time != NULL) + { + /* Now compare date with the available eras. */ + const int32_t tdate[3] = { tp->tm_year, tp->tm_mon, tp->tm_mday }; + size_t cnt; + for (cnt = 0; cnt < current->private.time->num_eras; ++cnt) + if ((ERA_DATE_CMP (current->private.time->eras[cnt].start_date, tdate) + && ERA_DATE_CMP (tdate, + current->private.time->eras[cnt].stop_date)) + || (ERA_DATE_CMP (current->private.time->eras[cnt].stop_date, + tdate) + && ERA_DATE_CMP (tdate, + current->private.time->eras[cnt].start_date))) + return ¤t->private.time->eras[cnt]; + } + + return NULL; +} + + +struct era_entry * +internal_function +_nl_select_era_entry (int cnt, struct locale_data *current) +{ + if (current->private.time == NULL || !current->private.time->era_initialized) + _nl_init_era_entries (current); + + return (current->private.time == NULL + ? NULL : ¤t->private.time->eras[cnt]); +} diff --git a/time/lc-time-cleanup.c b/time/lc-time-cleanup.c new file mode 100644 index 0000000..7972700 --- /dev/null +++ b/time/lc-time-cleanup.c @@ -0,0 +1,41 @@ +/* Cleanup code for data structures kept by strftime/strptime helper functions. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "../locale/localeinfo.h" +#include <stdlib.h> + +void internal_function +_nl_cleanup_time (struct locale_data *locale) +{ + struct lc_time_data *const data = locale->private.time; + if (data != NULL) + { + locale->private.time = NULL; + locale->private.cleanup = NULL; + + if (data->eras != NULL) + free (data->eras); + if (data->alt_digits != NULL) + free (data->alt_digits); + if (data->walt_digits != NULL) + free (data->walt_digits); + + free (data); + } +} diff --git a/time/strftime.c b/time/strftime.c index 9861243..5215f56 100644 --- a/time/strftime.c +++ b/time/strftime.c @@ -315,10 +315,16 @@ static const CHAR_T zeroes[16] = /* "0000000000000000" */ # define LOCALE_PARAM , loc # define LOCALE_ARG , loc # define LOCALE_PARAM_DECL __locale_t loc; +# define HELPER_LOCALE_ARG , current #else # define LOCALE_PARAM # define LOCALE_ARG # define LOCALE_PARAM_DECL +# ifdef _LIBC +# define HELPER_LOCALE_ARG , _NL_CURRENT_DATA (LC_TIME) +# else +# define HELPER_LOCALE_ARG +# endif #endif #ifdef COMPILE_WIDE @@ -494,7 +500,7 @@ my_strftime (s, maxsize, format, tp ut_argument LOCALE_PARAM) LOCALE_PARAM_DECL { #if defined _LIBC && defined USE_IN_EXTENDED_LOCALE_MODEL - const struct locale_data *const current = loc->__locales[LC_TIME]; + struct locale_data *const current = loc->__locales[LC_TIME]; #endif int hour12 = tp->tm_hour; @@ -880,7 +886,7 @@ my_strftime (s, maxsize, format, tp ut_argument LOCALE_PARAM) if (modifier == L_('E')) { #if HAVE_STRUCT_ERA_ENTRY - struct era_entry *era = _nl_get_era_entry (tp); + struct era_entry *era = _nl_get_era_entry (tp HELPER_LOCALE_ARG); if (era) { # ifdef COMPILE_WIDE @@ -956,9 +962,11 @@ my_strftime (s, maxsize, format, tp ut_argument LOCALE_PARAM) /* Get the locale specific alternate representation of the number NUMBER_VALUE. If none exist NULL is returned. */ # ifdef COMPILE_WIDE - const wchar_t *cp = _nl_get_walt_digit (number_value); + const wchar_t *cp = _nl_get_walt_digit (number_value + HELPER_LOCALE_ARG); # else - const char *cp = _nl_get_alt_digit (number_value); + const char *cp = _nl_get_alt_digit (number_value + HELPER_LOCALE_ARG); # endif if (cp != NULL) @@ -1238,7 +1246,7 @@ my_strftime (s, maxsize, format, tp ut_argument LOCALE_PARAM) if (modifier == 'E') { #if HAVE_STRUCT_ERA_ENTRY - struct era_entry *era = _nl_get_era_entry (tp); + struct era_entry *era = _nl_get_era_entry (tp HELPER_LOCALE_ARG); if (era) { # ifdef COMPILE_WIDE @@ -1263,7 +1271,7 @@ my_strftime (s, maxsize, format, tp ut_argument LOCALE_PARAM) if (modifier == L_('E')) { #if HAVE_STRUCT_ERA_ENTRY - struct era_entry *era = _nl_get_era_entry (tp); + struct era_entry *era = _nl_get_era_entry (tp HELPER_LOCALE_ARG); if (era) { int delta = tp->tm_year - era->start_date[0]; |