2006-02-26 03:46:24 -05:00
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/*
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* Copyright (c) 1994 Powerdog Industries. All rights reserved.
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*
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* Redistribution and use in source and binary forms, without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgement:
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* This product includes software developed by Powerdog Industries.
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* 4. The name of Powerdog Industries may not be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY POWERDOG INDUSTRIES ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE POWERDOG INDUSTRIES BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifndef HAVE_STRPTIME
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#include <ctype.h>
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#include <time.h>
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#include <string.h>
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#define asizeof(a) (sizeof (a) / sizeof ((a)[0]))
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#ifndef sun
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struct dtconv {
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char *abbrev_month_names[12];
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char *month_names[12];
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char *abbrev_weekday_names[7];
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char *weekday_names[7];
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char *time_format;
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char *sdate_format;
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char *dtime_format;
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char *am_string;
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char *pm_string;
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char *ldate_format;
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};
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#endif
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static struct dtconv En_US = {
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{ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" },
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{ "January", "February", "March", "April",
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"May", "June", "July", "August",
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"September", "October", "November", "December" },
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{ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" },
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{ "Sunday", "Monday", "Tuesday", "Wednesday",
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"Thursday", "Friday", "Saturday" },
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"%H:%M:%S",
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"%m/%d/%y",
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"%a %b %e %T %Z %Y",
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"AM",
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"PM",
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"%A, %B, %e, %Y"
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};
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#ifdef SUNOS4
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extern int strncasecmp();
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#endif
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void lowercase_string(char *buffer) {
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while(*buffer) {
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*buffer = tolower(*buffer);
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buffer++;
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}
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}
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char *strptime(char *buf, char *fmt, struct tm *tm) {
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char c,
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*ptr;
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int i, j,
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len;
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ptr = fmt;
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while (*ptr != 0) {
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if (*buf == 0)
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break;
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c = *ptr++;
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if (c != '%') {
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if (isspace(c))
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while (*buf != 0 && isspace(*buf))
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buf++;
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else if (c != *buf++)
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return 0;
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continue;
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}
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c = *ptr++;
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switch (c) {
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case 0:
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case '%':
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if (*buf++ != '%')
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return 0;
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break;
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case 'C':
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buf = strptime(buf, En_US.ldate_format, tm);
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if (buf == 0)
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return 0;
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break;
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case 'c':
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buf = strptime(buf, "%x %X", tm);
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if (buf == 0)
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return 0;
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break;
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case 'D':
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buf = strptime(buf, "%m/%d/%y", tm);
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if (buf == 0)
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return 0;
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break;
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case 'R':
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buf = strptime(buf, "%H:%M", tm);
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if (buf == 0)
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return 0;
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break;
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case 'r':
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buf = strptime(buf, "%I:%M:%S %p", tm);
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if (buf == 0)
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return 0;
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break;
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case 'T':
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buf = strptime(buf, "%H:%M:%S", tm);
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if (buf == 0)
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return 0;
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break;
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case 'X':
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buf = strptime(buf, En_US.time_format, tm);
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if (buf == 0)
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return 0;
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break;
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case 'x':
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buf = strptime(buf, En_US.sdate_format, tm);
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if (buf == 0)
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return 0;
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break;
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case 'j':
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if (!isdigit(*buf))
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return 0;
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for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
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i *= 10;
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i += *buf - '0';
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}
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if (i > 365)
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return 0;
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tm->tm_yday = i;
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break;
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case 'M':
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case 'S':
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if (*buf == 0 || isspace(*buf))
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break;
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if (!isdigit(*buf))
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return 0;
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for (j=0,i = 0; *buf != 0 && isdigit(*buf) && j<2; j++,buf++) {
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i *= 10;
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i += *buf - '0';
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}
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if (i > 59)
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return 0;
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if (c == 'M')
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tm->tm_min = i;
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else
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tm->tm_sec = i;
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if (*buf != 0 && isspace(*buf))
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while (*ptr != 0 && !isspace(*ptr))
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ptr++;
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break;
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case 'H':
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case 'I':
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case 'k':
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case 'l':
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if (!isdigit(*buf))
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return 0;
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for (j=0,i = 0; *buf != 0 && isdigit(*buf) && j<2; j++,buf++) {
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i *= 10;
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i += *buf - '0';
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}
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if (c == 'H' || c == 'k') {
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if (i > 23)
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return 0;
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} else if (i > 11)
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return 0;
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tm->tm_hour = i;
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if (*buf != 0 && isspace(*buf))
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while (*ptr != 0 && !isspace(*ptr))
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ptr++;
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break;
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case 'p':
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len = (int) strlen(En_US.am_string);
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lowercase_string( buf );
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if (strncmp(buf, En_US.am_string, len) == 0) {
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if (tm->tm_hour > 12)
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return 0;
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if (tm->tm_hour == 12)
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tm->tm_hour = 0;
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buf += len;
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break;
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}
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len = (int) strlen(En_US.pm_string);
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if (strncmp(buf, En_US.pm_string, len) == 0) {
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if (tm->tm_hour > 12)
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return 0;
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if (tm->tm_hour != 12)
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tm->tm_hour += 12;
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buf += len;
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break;
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}
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return 0;
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case 'A':
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case 'a':
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for (i = 0; i < asizeof(En_US.weekday_names); i++) {
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len = (int) strlen(En_US.weekday_names[i]);
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lowercase_string( buf );
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if (strncmp(buf,
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En_US.weekday_names[i],
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len) == 0)
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break;
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len = (int) strlen(En_US.abbrev_weekday_names[i]);
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if (strncmp(buf,
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En_US.abbrev_weekday_names[i],
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len) == 0)
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break;
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}
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if (i == asizeof(En_US.weekday_names))
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return 0;
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tm->tm_wday = i;
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buf += len;
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break;
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case 'd':
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case 'e':
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if (!isdigit(*buf))
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return 0;
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for (j=0,i = 0; *buf != 0 && isdigit(*buf) && j<2; j++,buf++) {
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i *= 10;
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i += *buf - '0';
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}
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if (i > 31)
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return 0;
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tm->tm_mday = i;
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if (*buf != 0 && isspace(*buf))
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while (*ptr != 0 && !isspace(*ptr))
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ptr++;
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break;
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case 'B':
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case 'b':
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case 'h':
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for (i = 0; i < asizeof(En_US.month_names); i++) {
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len = (int) strlen(En_US.month_names[i]);
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lowercase_string( buf );
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if (strncmp(buf, En_US.month_names[i],len) == 0)
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break;
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len = (int) strlen(En_US.abbrev_month_names[i]);
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if (strncmp(buf,
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En_US.abbrev_month_names[i],
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len) == 0)
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break;
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}
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if (i == asizeof(En_US.month_names))
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return 0;
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tm->tm_mon = i;
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buf += len;
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break;
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case 'm':
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if (!isdigit(*buf))
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return 0;
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for (j=0,i = 0; *buf != 0 && isdigit(*buf) && j<2; j++,buf++) {
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i *= 10;
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i += *buf - '0';
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}
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if (i < 1 || i > 12)
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return 0;
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tm->tm_mon = i - 1;
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if (*buf != 0 && isspace(*buf))
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while (*ptr != 0 && !isspace(*ptr))
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ptr++;
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break;
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case 'Y':
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case 'y':
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if (*buf == 0 || isspace(*buf))
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break;
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if (!isdigit(*buf))
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return 0;
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for (j=0,i = 0; *buf != 0 && isdigit(*buf) && j<((c=='Y')?4:2); j++,buf++) {
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i *= 10;
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i += *buf - '0';
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}
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if (c == 'Y')
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i -= 1900;
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|
else if (i < 69) /*c=='y', 00-68 is for 20xx, the rest is for 19xx*/
|
|
|
|
|
i += 100;
|
|
|
|
|
|
|
|
|
|
if (i < 0)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
tm->tm_year = i;
|
|
|
|
|
|
|
|
|
|
if (*buf != 0 && isspace(*buf))
|
|
|
|
|
while (*ptr != 0 && !isspace(*ptr))
|
|
|
|
|
ptr++;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return buf;
|
|
|
|
|
}
|
|
|
|
|
|
2006-03-25 05:52:10 -05:00
|
|
|
#endif /* ndef HAVE_STRPTIME */
|
