src/server/util/date.c

Sat, 12 Nov 2022 20:50:45 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 12 Nov 2022 20:50:45 +0100
changeset 430
83560f32e7d5
parent 415
d938228c382e
permissions
-rw-r--r--

refactor send_cgi into non-blocking SAF (wip)

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2013 Olaf Wintermann. 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
 */

#include <stdlib.h>
#include "pool.h"

#include "date.h"

char *date_wkday[] = {
    "Sun",
    "Mon",
    "Tue",
    "Wed",
    "Thu",
    "Fri",
    "Sat"
};

char *date_month[] = {
    "Jan",
    "Feb",
    "Mar",
    "Apr",
    "May",
    "Jun",
    "Jul",
    "Aug",
    "Sep",
    "Oct",
    "Nov",
    "Dec"
};

cxmutstr date_format_http(time_t t, pool_handle_t *pool) {
    cxmutstr d;
    d.ptr = NULL;
    d.length = 0;
    
    struct tm date;
    gmtime_r(&t, &date);
    
    char *str = pool_malloc(pool, 32);
    snprintf(
            str,
            32,
            "%s, %02d %s %d %02d:%02d:%02d GMT",
            date_wkday[date.tm_wday],
            date.tm_mday,
            date_month[date.tm_mon],
            1900 + date.tm_year,
            date.tm_hour,
            date.tm_min,
            date.tm_sec);
    
    d.length = 29;
    d.ptr = str;
    
    return d;
}

cxmutstr date_format_iso8601(time_t t, pool_handle_t *pool) {
    cxmutstr d;
    d.ptr = NULL;
    d.length = 0;
    
    struct tm date;
    gmtime_r(&t, &date);
    
    char *str = pool_malloc(pool, 24);
    snprintf(
            str,
            24,
            "%d-%02d-%02dT%02d:%02d:%02dZ",
            1900 + date.tm_year,
            date.tm_mon + 1,
            date.tm_mday,
            date.tm_hour,
            date.tm_min,
            date.tm_sec);
    
    d.length = 20;
    d.ptr = str;
    
    return d;
}

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