freeswitch/libs/apr/time/unix/timestr.c
Michael Jerris 0488a5109a add apr to in tree libs
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3733 d0543943-73ff-0310-b7d9-9358b9ac24b2
2006-12-19 19:58:23 +00:00

154 lines
4.5 KiB
C

/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "apr_portable.h"
#include "apr_time.h"
#include "apr_lib.h"
#include "apr_private.h"
/* System Headers required for time library */
#if APR_HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#if APR_HAVE_STRING_H
#include <string.h>
#endif
/* End System Headers */
APR_DECLARE_DATA const char apr_month_snames[12][4] =
{
"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
APR_DECLARE_DATA const char apr_day_snames[7][4] =
{
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
apr_status_t apr_rfc822_date(char *date_str, apr_time_t t)
{
apr_time_exp_t xt;
const char *s;
int real_year;
apr_time_exp_gmt(&xt, t);
/* example: "Sat, 08 Jan 2000 18:31:41 GMT" */
/* 12345678901234567890123456789 */
s = &apr_day_snames[xt.tm_wday][0];
*date_str++ = *s++;
*date_str++ = *s++;
*date_str++ = *s++;
*date_str++ = ',';
*date_str++ = ' ';
*date_str++ = xt.tm_mday / 10 + '0';
*date_str++ = xt.tm_mday % 10 + '0';
*date_str++ = ' ';
s = &apr_month_snames[xt.tm_mon][0];
*date_str++ = *s++;
*date_str++ = *s++;
*date_str++ = *s++;
*date_str++ = ' ';
real_year = 1900 + xt.tm_year;
/* This routine isn't y10k ready. */
*date_str++ = real_year / 1000 + '0';
*date_str++ = real_year % 1000 / 100 + '0';
*date_str++ = real_year % 100 / 10 + '0';
*date_str++ = real_year % 10 + '0';
*date_str++ = ' ';
*date_str++ = xt.tm_hour / 10 + '0';
*date_str++ = xt.tm_hour % 10 + '0';
*date_str++ = ':';
*date_str++ = xt.tm_min / 10 + '0';
*date_str++ = xt.tm_min % 10 + '0';
*date_str++ = ':';
*date_str++ = xt.tm_sec / 10 + '0';
*date_str++ = xt.tm_sec % 10 + '0';
*date_str++ = ' ';
*date_str++ = 'G';
*date_str++ = 'M';
*date_str++ = 'T';
*date_str++ = 0;
return APR_SUCCESS;
}
apr_status_t apr_ctime(char *date_str, apr_time_t t)
{
apr_time_exp_t xt;
const char *s;
int real_year;
/* example: "Wed Jun 30 21:49:08 1993" */
/* 123456789012345678901234 */
apr_time_exp_lt(&xt, t);
s = &apr_day_snames[xt.tm_wday][0];
*date_str++ = *s++;
*date_str++ = *s++;
*date_str++ = *s++;
*date_str++ = ' ';
s = &apr_month_snames[xt.tm_mon][0];
*date_str++ = *s++;
*date_str++ = *s++;
*date_str++ = *s++;
*date_str++ = ' ';
*date_str++ = xt.tm_mday / 10 + '0';
*date_str++ = xt.tm_mday % 10 + '0';
*date_str++ = ' ';
*date_str++ = xt.tm_hour / 10 + '0';
*date_str++ = xt.tm_hour % 10 + '0';
*date_str++ = ':';
*date_str++ = xt.tm_min / 10 + '0';
*date_str++ = xt.tm_min % 10 + '0';
*date_str++ = ':';
*date_str++ = xt.tm_sec / 10 + '0';
*date_str++ = xt.tm_sec % 10 + '0';
*date_str++ = ' ';
real_year = 1900 + xt.tm_year;
*date_str++ = real_year / 1000 + '0';
*date_str++ = real_year % 1000 / 100 + '0';
*date_str++ = real_year % 100 / 10 + '0';
*date_str++ = real_year % 10 + '0';
*date_str++ = 0;
return APR_SUCCESS;
}
apr_status_t apr_strftime(char *s, apr_size_t *retsize, apr_size_t max,
const char *format, apr_time_exp_t *xt)
{
struct tm tm;
memset(&tm, 0, sizeof tm);
tm.tm_sec = xt->tm_sec;
tm.tm_min = xt->tm_min;
tm.tm_hour = xt->tm_hour;
tm.tm_mday = xt->tm_mday;
tm.tm_mon = xt->tm_mon;
tm.tm_year = xt->tm_year;
tm.tm_wday = xt->tm_wday;
tm.tm_yday = xt->tm_yday;
tm.tm_isdst = xt->tm_isdst;
#if defined(HAVE_STRUCT_TM_TM_GMTOFF)
tm.tm_gmtoff = xt->tm_gmtoff;
#elif defined(HAVE_STRUCT_TM___TM_GMTOFF)
tm.__tm_gmtoff = xt->tm_gmtoff;
#endif
(*retsize) = strftime(s, max, format, &tm);
return APR_SUCCESS;
}