/*

   +----------------------------------------------------------------------+

   | Copyright (c) The PHP Group                                          |

   +----------------------------------------------------------------------+

   | This source file is subject to version 3.01 of the PHP license,      |

   | that is bundled with this package in the file LICENSE, and is        |

   | available through the world-wide-web at the following url:           |

   | http://www.php.net/license/3_01.txt                                  |

   | If you did not receive a copy of the PHP license and are unable to   |

   | obtain it through the world-wide-web, please send a note to          |

   | license@php.net so we can mail you a copy immediately.               |

   +----------------------------------------------------------------------+

   | Authors: Andi Gutmans <andi@php.net>                                 |

   |          Zeev Suraski <zeev@php.net>                                 |

   |          Rasmus Lerdorf <rasmus@php.net>                             |

   +----------------------------------------------------------------------+

 */

#include "php.h"

#include "zend_operators.h"

#include "datetime.h"

#include "php_globals.h"

#include <time.h>

#ifdef HAVE_SYS_TIME_H

# include <sys/time.h>

#endif

#include <stdio.h>

static const char * const mon_short_names[] = {

  "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"

};

static const char * const day_short_names[] = {

  "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"

};

/* {{{ PHPAPI char *php_std_date(time_t t)

   Return date string in standard format for http headers */

PHPAPI char *php_std_date(time_t t)

{

  struct tm *tm1, tmbuf;

  char *str;

  tm1 = php_gmtime_r(&t, &tmbuf);

  str = emalloc(81);

  str[0] = '\0';

  if (!tm1) {

    return str;

  }

  snprintf(str, 80, "%s, %02d %s %04d %02d:%02d:%02d GMT",

      day_short_names[tm1->tm_wday],

      tm1->tm_mday,

      mon_short_names[tm1->tm_mon],

      tm1->tm_year + 1900,

      tm1->tm_hour, tm1->tm_min, tm1->tm_sec);

  str[79] = 0;

  return (str);

}

/* }}} */

#if HAVE_STRPTIME

#ifndef HAVE_STRPTIME_DECL_FAILS

char *strptime(const char *s, const char *format, struct tm *tm);

#endif

/* {{{ proto array|false strptime(string timestamp, string format)

   Parse a time/date generated with strftime() */

PHP_FUNCTION(strptime)

{

  char      *ts;

  size_t        ts_length;

  char      *format;

  size_t        format_length;

  struct tm  parsed_time;

  char      *unparsed_part;

  ZEND_PARSE_PARAMETERS_START(2, 2)

    Z_PARAM_STRING(ts, ts_length)

    Z_PARAM_STRING(format, format_length)

  ZEND_PARSE_PARAMETERS_END();

  memset(&parsed_time, 0, sizeof(parsed_time));

  unparsed_part = strptime(ts, format, &parsed_time);

  if (unparsed_part == NULL) {

    RETURN_FALSE;

  }

  array_init(return_value);

  add_assoc_long(return_value, "tm_sec",   parsed_time.tm_sec);

  add_assoc_long(return_value, "tm_min",   parsed_time.tm_min);

  add_assoc_long(return_value, "tm_hour",  parsed_time.tm_hour);

  add_assoc_long(return_value, "tm_mday",  parsed_time.tm_mday);

  add_assoc_long(return_value, "tm_mon",   parsed_time.tm_mon);

  add_assoc_long(return_value, "tm_year",  parsed_time.tm_year);

  add_assoc_long(return_value, "tm_wday",  parsed_time.tm_wday);

  add_assoc_long(return_value, "tm_yday",  parsed_time.tm_yday);

  add_assoc_string(return_value, "unparsed", unparsed_part);

}

/* }}} */

#endif