Adding upstream version 1.7.2.upstream/1.7.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 237 insertions, 0 deletions

diff --git a/include/apr_time.h b/include/apr_time.h
new file mode 100644
index 0000000..b0efd79
--- /dev/null
+++ b/include/apr_time.h
@@ -0,0 +1,237 @@
+/* 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_TIME_H
+#define APR_TIME_H
+
+/**
+ * @file apr_time.h
+ * @brief APR Time Library
+ */
+
+#include "apr.h"
+#include "apr_errno.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @defgroup apr_time Time Routines
+ * @ingroup APR 
+ * @{
+ */
+
+/** month names */
+APR_DECLARE_DATA extern const char apr_month_snames[12][4];
+/** day names */
+APR_DECLARE_DATA extern const char apr_day_snames[7][4];
+
+
+/** number of microseconds since 00:00:00 January 1, 1970 UTC */
+typedef apr_int64_t apr_time_t;
+
+
+/** mechanism to properly type apr_time_t literals */
+#define APR_TIME_C(val) APR_INT64_C(val)
+
+/** mechanism to properly print apr_time_t values */
+#define APR_TIME_T_FMT APR_INT64_T_FMT
+
+/** intervals for I/O timeouts, in microseconds */
+typedef apr_int64_t apr_interval_time_t;
+/** short interval for I/O timeouts, in microseconds */
+typedef apr_int32_t apr_short_interval_time_t;
+
+/** number of microseconds per second */
+#define APR_USEC_PER_SEC APR_TIME_C(1000000)
+
+/** @return apr_time_t as a second */
+#define apr_time_sec(time) ((time) / APR_USEC_PER_SEC)
+
+/** @return apr_time_t as a usec */
+#define apr_time_usec(time) ((time) % APR_USEC_PER_SEC)
+
+/** @return apr_time_t as a msec */
+#define apr_time_msec(time) (((time) / 1000) % 1000)
+
+/** @return apr_time_t as a msec */
+#define apr_time_as_msec(time) ((time) / 1000)
+
+/** @return milliseconds as an apr_time_t */
+#define apr_time_from_msec(msec) ((apr_time_t)(msec) * 1000)
+
+/** @return seconds as an apr_time_t */
+#define apr_time_from_sec(sec) ((apr_time_t)(sec) * APR_USEC_PER_SEC)
+
+/** @return a second and usec combination as an apr_time_t */
+#define apr_time_make(sec, usec) ((apr_time_t)(sec) * APR_USEC_PER_SEC \
+                                + (apr_time_t)(usec))
+
+/**
+ * @return the current time
+ */
+APR_DECLARE(apr_time_t) apr_time_now(void);
+
+/** @see apr_time_exp_t */
+typedef struct apr_time_exp_t apr_time_exp_t;
+
+/**
+ * a structure similar to ANSI struct tm with the following differences:
+ *  - tm_usec isn't an ANSI field
+ *  - tm_gmtoff isn't an ANSI field (it's a BSDism)
+ */
+struct apr_time_exp_t {
+    /** microseconds past tm_sec */
+    apr_int32_t tm_usec;
+    /** (0-61) seconds past tm_min */
+    apr_int32_t tm_sec;
+    /** (0-59) minutes past tm_hour */
+    apr_int32_t tm_min;
+    /** (0-23) hours past midnight */
+    apr_int32_t tm_hour;
+    /** (1-31) day of the month */
+    apr_int32_t tm_mday;
+    /** (0-11) month of the year */
+    apr_int32_t tm_mon;
+    /** year since 1900 */
+    apr_int32_t tm_year;
+    /** (0-6) days since Sunday */
+    apr_int32_t tm_wday;
+    /** (0-365) days since January 1 */
+    apr_int32_t tm_yday;
+    /** daylight saving time */
+    apr_int32_t tm_isdst;
+    /** seconds east of UTC */
+    apr_int32_t tm_gmtoff;
+};
+
+/* Delayed the include to avoid a circular reference */
+#include "apr_pools.h"
+
+/**
+ * Convert an ansi time_t to an apr_time_t
+ * @param result the resulting apr_time_t
+ * @param input the time_t to convert
+ */
+APR_DECLARE(apr_status_t) apr_time_ansi_put(apr_time_t *result, 
+                                                    time_t input);
+
+/**
+ * Convert a time to its human readable components using an offset
+ * from GMT.
+ * @param result the exploded time
+ * @param input the time to explode
+ * @param offs the number of seconds offset to apply
+ */
+APR_DECLARE(apr_status_t) apr_time_exp_tz(apr_time_exp_t *result,
+                                          apr_time_t input,
+                                          apr_int32_t offs);
+
+/**
+ * Convert a time to its human readable components (GMT).
+ * @param result the exploded time
+ * @param input the time to explode
+ */
+APR_DECLARE(apr_status_t) apr_time_exp_gmt(apr_time_exp_t *result, 
+                                           apr_time_t input);
+
+/**
+ * Convert a time to its human readable components in the local timezone.
+ * @param result the exploded time
+ * @param input the time to explode
+ */
+APR_DECLARE(apr_status_t) apr_time_exp_lt(apr_time_exp_t *result, 
+                                          apr_time_t input);
+
+/**
+ * Convert time value from human readable format to a numeric apr_time_t
+ * (elapsed microseconds since the epoch).
+ * @param result the resulting imploded time
+ * @param input the input exploded time
+ */
+APR_DECLARE(apr_status_t) apr_time_exp_get(apr_time_t *result, 
+                                           apr_time_exp_t *input);
+
+/**
+ * Convert time value from human readable format to a numeric apr_time_t that
+ * always represents GMT.
+ * @param result the resulting imploded time
+ * @param input the input exploded time
+ */
+APR_DECLARE(apr_status_t) apr_time_exp_gmt_get(apr_time_t *result, 
+                                               apr_time_exp_t *input);
+
+/**
+ * Sleep for the specified number of micro-seconds.
+ * @param t desired amount of time to sleep.
+ * @warning May sleep for longer than the specified time. 
+ */
+APR_DECLARE(void) apr_sleep(apr_interval_time_t t);
+
+/** length of a RFC822 Date */
+#define APR_RFC822_DATE_LEN (30)
+/**
+ * apr_rfc822_date formats dates in the RFC822
+ * format in an efficient manner.  It is a fixed length
+ * format which requires APR_RFC822_DATA_LEN bytes of storage,
+ * including the trailing NUL terminator.
+ * @param date_str String to write to.
+ * @param t the time to convert 
+ */
+APR_DECLARE(apr_status_t) apr_rfc822_date(char *date_str, apr_time_t t);
+
+/** length of a CTIME date */
+#define APR_CTIME_LEN (25)
+/**
+ * apr_ctime formats dates in the ctime() format
+ * in an efficient manner.  It is a fixed length format
+ * and requires APR_CTIME_LEN bytes of storage including
+ * the trailing NUL terminator.
+ * Unlike ANSI/ISO C ctime(), apr_ctime() does not include
+ * a \\n at the end of the string.
+ * @param date_str String to write to.
+ * @param t the time to convert 
+ */
+APR_DECLARE(apr_status_t) apr_ctime(char *date_str, apr_time_t t);
+
+/**
+ * Formats the exploded time according to the format specified
+ * @param s string to write to
+ * @param retsize The length of the returned string
+ * @param max The maximum length of the string
+ * @param format The format for the time string
+ * @param tm The time to convert
+ */
+APR_DECLARE(apr_status_t) apr_strftime(char *s, apr_size_t *retsize, 
+                                       apr_size_t max, const char *format, 
+                                       apr_time_exp_t *tm);
+
+/**
+ * Improve the clock resolution for the lifetime of the given pool.
+ * Generally this is only desirable on benchmarking and other very
+ * time-sensitive applications, and has no impact on most platforms.
+ * @param p The pool to associate the finer clock resolution 
+ */
+APR_DECLARE(void) apr_time_clock_hires(apr_pool_t *p);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* ! APR_TIME_H */