Edit File: apr_date.h
/* 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. */ #ifndef APR_DATE_H #define APR_DATE_H /** * @file apr_date.h * @brief APR-UTIL date routines */ /** * @defgroup APR_Util_Date Date routines * @ingroup APR_Util * @{ */ /* * apr_date.h: prototypes for date parsing utility routines */ #include "apu.h" #include "apr_time.h" #ifdef __cplusplus extern "C" { #endif /** A bad date. */ #define APR_DATE_BAD ((apr_time_t)0) /** * Compare a string to a mask * @param data The string to compare * @param mask Mask characters (arbitrary maximum is 256 characters): * <PRE> * '\@' - uppercase letter * '\$' - lowercase letter * '\&' - hex digit * '#' - digit * '~' - digit or space * '*' - swallow remaining characters * </PRE> * @remark The mask tests for an exact match for any other character * @return 1 if the string matches, 0 otherwise */ APU_DECLARE(int) apr_date_checkmask(const char *data, const char *mask); /** * Parses an HTTP date in one of three standard forms: * <PRE> * Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123 * Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036 * Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format * </PRE> * @param date The date in one of the three formats above * @return the apr_time_t number of microseconds since 1 Jan 1970 GMT, or * 0 if this would be out of range or if the date is invalid. */ APU_DECLARE(apr_time_t) apr_date_parse_http(const char *date); /** * Parses a string resembling an RFC 822 date. This is meant to be * leinent in its parsing of dates. Hence, this will parse a wider * range of dates than apr_date_parse_http. * * The prominent mailer (or poster, if mailer is unknown) that has * been seen in the wild is included for the unknown formats. * <PRE> * Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123 * Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036 * Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format * Sun, 6 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123 * Sun, 06 Nov 94 08:49:37 GMT ; RFC 822 * Sun, 6 Nov 94 08:49:37 GMT ; RFC 822 * Sun, 06 Nov 94 08:49 GMT ; Unknown [drtr\@ast.cam.ac.uk] * Sun, 6 Nov 94 08:49 GMT ; Unknown [drtr\@ast.cam.ac.uk] * Sun, 06 Nov 94 8:49:37 GMT ; Unknown [Elm 70.85] * Sun, 6 Nov 94 8:49:37 GMT ; Unknown [Elm 70.85] * </PRE> * * @param date The date in one of the formats above * @return the apr_time_t number of microseconds since 1 Jan 1970 GMT, or * 0 if this would be out of range or if the date is invalid. */ APU_DECLARE(apr_time_t) apr_date_parse_rfc(const char *date); /** @} */ #ifdef __cplusplus } #endif #endif /* !APR_DATE_H */
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