+++ /dev/null
-/*-
- * Copyright (c) 1997 FreeBSD Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD: src/lib/libc/stdtime/timelocal.c,v 1.8.2.2 2000/10/26 16:21:35 ache Exp $
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/syslimits.h>
-#include <fcntl.h>
-#include <locale.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "setlocale.h"
-#include "timelocal.h"
-
-static int split_lines(char *, const char *);
-static void set_from_buf(const char *, int);
-
-struct lc_time_T _time_localebuf;
-int _time_using_locale;
-
-#define LCTIME_SIZE_FULL (sizeof(struct lc_time_T) / sizeof(char *))
-#define LCTIME_SIZE_1 \
- (offsetof(struct lc_time_T, alt_month[0]) / sizeof(char *))
-#define LCTIME_SIZE_2 \
- (offsetof(struct lc_time_T, Ef_fmt) / sizeof(char *))
-
-const struct lc_time_T _C_time_locale = {
- {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
- }, {
- "January", "February", "March", "April", "May", "June",
- "July", "August", "September", "October", "November", "December"
- }, {
- "Sun", "Mon", "Tue", "Wed",
- "Thu", "Fri", "Sat"
- }, {
- "Sunday", "Monday", "Tuesday", "Wednesday",
- "Thursday", "Friday", "Saturday"
- },
-
- /* X_fmt */
- "%H:%M:%S",
-
- /*
- ** x_fmt
- ** Since the C language standard calls for
- ** "date, using locale's date format," anything goes.
- ** Using just numbers (as here) makes Quakers happier;
- ** it's also compatible with SVR4.
- */
- "%m/%d/%y",
-
- /*
- ** c_fmt (ctime-compatible)
- ** Not used, just compatibility placeholder.
- */
- NULL,
-
- /* am */
- "AM",
-
- /* pm */
- "PM",
-
- /* date_fmt */
- "%a %Ef %X %Z %Y",
-
- {
- "January", "February", "March", "April", "May", "June",
- "July", "August", "September", "October", "November", "December"
- },
-
- /* Ef_fmt
- ** To determine short months / day order
- */
- "%b %e",
-
- /* EF_fmt
- ** To determine long months / day order
- */
- "%B %e"
-};
-
-
-int
-__time_load_locale(const char *name)
-{
- static char * locale_buf;
- static char locale_buf_C[] = "C";
- static int num_lines;
-
- int fd;
- char * lbuf;
- char * p;
- const char * plim;
- char filename[PATH_MAX];
- struct stat st;
- size_t namesize;
- size_t bufsize;
- int save_using_locale;
-
- save_using_locale = _time_using_locale;
- _time_using_locale = 0;
-
- if (name == NULL)
- goto no_locale;
-
- if (!strcmp(name, "C") || !strcmp(name, "POSIX"))
- return 0;
-
- /*
- ** If the locale name is the same as our cache, use the cache.
- */
- lbuf = locale_buf;
- if (lbuf != NULL && strcmp(name, lbuf) == 0) {
- set_from_buf(lbuf, num_lines);
- _time_using_locale = 1;
- return 0;
- }
- /*
- ** Slurp the locale file into the cache.
- */
- namesize = strlen(name) + 1;
-
- if (!_PathLocale)
- goto no_locale;
- /* Range checking not needed, 'name' size is limited */
- strcpy(filename, _PathLocale);
- strcat(filename, "/");
- strcat(filename, name);
- strcat(filename, "/LC_TIME");
- fd = open(filename, O_RDONLY);
- if (fd < 0)
- goto no_locale;
- if (fstat(fd, &st) != 0)
- goto bad_locale;
- if (st.st_size <= 0)
- goto bad_locale;
- bufsize = namesize + st.st_size;
- locale_buf = NULL;
- lbuf = (lbuf == NULL || lbuf == locale_buf_C) ?
- malloc(bufsize) : reallocf(lbuf, bufsize);
- if (lbuf == NULL)
- goto bad_locale;
- (void) strcpy(lbuf, name);
- p = lbuf + namesize;
- plim = p + st.st_size;
- if (read(fd, p, (size_t) st.st_size) != st.st_size)
- goto bad_lbuf;
- if (close(fd) != 0)
- goto bad_lbuf;
- /*
- ** Parse the locale file into localebuf.
- */
- if (plim[-1] != '\n')
- goto bad_lbuf;
- num_lines = split_lines(p, plim);
- if (num_lines >= LCTIME_SIZE_FULL)
- num_lines = LCTIME_SIZE_FULL;
- else if (num_lines >= LCTIME_SIZE_2)
- num_lines = LCTIME_SIZE_2;
- else if (num_lines >= LCTIME_SIZE_1)
- num_lines = LCTIME_SIZE_1;
- else
- goto reset_locale;
- set_from_buf(lbuf, num_lines);
- /*
- ** Record the successful parse in the cache.
- */
- locale_buf = lbuf;
-
- _time_using_locale = 1;
- return 0;
-
-reset_locale:
- /*
- * XXX - This may not be the correct thing to do in this case.
- * setlocale() assumes that we left the old locale alone.
- */
- locale_buf = locale_buf_C;
- _time_localebuf = _C_time_locale;
- save_using_locale = 0;
-bad_lbuf:
- free(lbuf);
-bad_locale:
- (void)close(fd);
-no_locale:
- _time_using_locale = save_using_locale;
- return -1;
-}
-
-static int
-split_lines(char *p, const char *plim)
-{
- int i;
-
- for (i = 0; p < plim; i++) {
- p = strchr(p, '\n');
- *p++ = '\0';
- }
- return i;
-}
-
-static void
-set_from_buf(const char *p, int num_lines)
-{
- const char **ap;
- int i;
-
- for (ap = (const char **) &_time_localebuf, i = 0;
- i < num_lines; ++ap, ++i)
- *ap = p += strlen(p) + 1;
- if (num_lines >= LCTIME_SIZE_2)
- return;
- for (i = 0; i < 12; i++)
- _time_localebuf.alt_month[i] = _time_localebuf.month[i];
-}
projects / apple / libc.git / blobdiff