Add gmtime and localtime
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1976 42af7a65-404d-4744-a932-0658087f49c3
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9 changed files with 172 additions and 22 deletions
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@ -810,6 +810,7 @@
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typical embeddd system.
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* sched/: Added gettimeofday(). This implementation is simply a thin
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wrapper around clock_gettimer().
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* lib/: Add gmtime() and localtime()
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@ -1483,6 +1483,7 @@ nuttx-0.4.10 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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typical embeddd system.
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* sched/: Added gettimeofday(). This implementation is simply a thin
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wrapper around clock_gettimer().
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* lib/: Add gmtime() and localtime()
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nuttx-0.4.10 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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@ -2462,14 +2462,16 @@ VxWorks provides the following comparable interface:
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<li><a href="#clockgettime">2.7.2 clock_gettime</a></li>
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<li><a href="#clockgetres">2.7.3 clock_getres</a></li>
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<li><a href="#mktime">2.7.4 mktime</a></li>
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<li><a href="#gmtimer">2.7.5 gmtime_r</a></li>
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<li><a href="#localtimer">2.7.6 localtime_r</a></li>
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<li><a href="#timercreate">2.7.7 timer_create</a></li>
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<li><a href="#timerdelete">2.7.8 timer_delete</a></li>
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<li><a href="#timersettime">2.7.9 timer_settime</a></li>
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<li><a href="#timergettime">2.7.10 timer_gettime</a></li>
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<li><a href="#timergetoverrun">2.7.11 timer_getoverrun</a></li>
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<li><a href="#gettimeofday">2.7.12 gettimeofday</a></li>
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<li><a href="#gmtime">2.7.5 gmtime</a></li>
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<li><a href="#localtime">2.7.6 localtime</a></li>
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<li><a href="#gmtimer">2.7.7 gmtime_r</a></li>
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<li><a href="#localtimer">2.7.8 localtime_r</a></li>
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<li><a href="#timercreate">2.7.9 timer_create</a></li>
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<li><a href="#timerdelete">2.7.10 timer_delete</a></li>
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<li><a href="#timersettime">2.7.11 timer_settime</a></li>
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<li><a href="#timergettime">2.7.12 timer_gettime</a></li>
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<li><a href="#timergetoverrun">2.7.13 timer_getoverrun</a></li>
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<li><a href="#gettimeofday">2.7.14 gettimeofday</a></li>
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</ul>
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<H3><a name="clocksettime">2.7.1 clock_settime</a></H3>
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@ -2584,7 +2586,46 @@ VxWorks provides the following comparable interface:
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<li><code>To be provided</code>.</li>
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</ul>
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<H3><a name="gmtimer">2.7.5 gmtime_r</a></H3>
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<H3><a name="gmtime">2.7.5 gmtime</a></H3>
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<p>
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<b>Function Prototype:</b>
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</p>
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<pre>
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#include <time.h>
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struct tm *gmtime(const time_t *clock);
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</pre>
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<p>
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<b>Description:</b>
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</p>
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<p>
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<b>Input Parameters:</b>
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</p>
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<ul>
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<li><code>clock</code>.
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Represents calendar time.
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This is an absolute time value representing the number of seconds elapsed since 00:00:00
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on January 1, 1970, Coordinated Universal Time (UTC).
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</li>
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</ul>
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<p>
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<b>Returned Values:</b>
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</p>
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<p>
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If successful, the <I>gmtime()</I> function will return the pointer to a statically
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defined instance of <code>struct tim</code>.
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Otherwise, a NULL will be returned to indicate the error:
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</p>
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<ul>
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<li><code>To be provided</code>.</li>
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</ul>
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<H3><a name="localtime">2.7.6 localtime</a></H3>
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<pre>
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#include <time.h>
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#define localtime(c) gmtime(c)
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</pre>
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<H3><a name="gmtimer">2.7.7 gmtime_r</a></H3>
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<p>
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<b>Function Prototype:</b>
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</p>
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@ -2599,26 +2640,32 @@ VxWorks provides the following comparable interface:
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<b>Input Parameters:</b>
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</p>
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<ul>
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<li><code>parm</code>. </li>
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<li><code>clock</code>.
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Represents calendar time.
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This is an absolute time value representing the number of seconds elapsed since 00:00:00
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on January 1, 1970, Coordinated Universal Time (UTC).
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<li><code>result</code>.
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A user-provided buffer to receive the converted time structure.
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</ul>
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<p>
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<b>Returned Values:</b>
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</p>
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<p>
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If successful, the <I>gmtime_r()</I> function will return zero (<I>OK</I>).
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Otherwise, an non-zero error number will be returned to indicate the error:
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If successful, the <I>gmtime_r()</I> function will return the pointer, <code>result</code>,
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provided by the caller.
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Otherwise, a NULL will be returned to indicate the error:
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</p>
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<ul>
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<li><code>To be provided</code>.</li>
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</ul>
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<H3><a name="localtimer">2.7.6 localtime_r</a></H3>
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<H3><a name="localtimer">2.7.8 localtime_r</a></H3>
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<pre>
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#include <time.h>
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#define localtime_r(c,r) gmtime_r(c,r)
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</pre>
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<H3><a name="timercreate">2.7.7 timer_create</a></H3>
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<H3><a name="timercreate">2.7.9 timer_create</a></H3>
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<p>
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<b>Function Prototype:</b>
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</p>
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@ -2688,7 +2735,7 @@ VxWorks provides the following comparable interface:
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<li>Only <code>CLOCK_REALTIME</code> is supported for the <code>clockid</code> argument.</li>
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</ul>
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<H3><a name="timerdelete">2.7.8 timer_delete</a></H3>
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<H3><a name="timerdelete">2.7.10 timer_delete</a></H3>
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<p>
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<b>Function Prototype:</b>
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</p>
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@ -2727,7 +2774,7 @@ VxWorks provides the following comparable interface:
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Comparable to the POSIX interface of the same name.
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</p>
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<H3><a name="timersettime">2.7.9 timer_settime</a></H3>
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<H3><a name="timersettime">2.7.11 timer_settime</a></H3>
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<p>
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<b>Function Prototype:</b>
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</p>
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@ -2810,7 +2857,7 @@ VxWorks provides the following comparable interface:
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<li>The <code>ovalue</code> argument is ignored.</li>
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</ul>
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<H3><a name="timergettime">2.7.10 timer_gettime</a></H3>
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<H3><a name="timergettime">2.7.12 timer_gettime</a></H3>
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<p>
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<b>Function Prototype:</b>
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</p>
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@ -2857,7 +2904,7 @@ VxWorks provides the following comparable interface:
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Comparable to the POSIX interface of the same name.
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</p>
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<H3><a name="timergetoverrun">2.7.11 timer_getoverrun</a></H3>
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<H3><a name="timergetoverrun">2.7.13 timer_getoverrun</a></H3>
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<p>
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<b>Function Prototype:</b>
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</p>
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@ -2918,7 +2965,7 @@ VxWorks provides the following comparable interface:
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interface of the same name.
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</p>
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<h3><a name="gettimeofday">2.7.12 gettimeofday</a></h3>
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<h3><a name="gettimeofday">2.7.14 gettimeofday</a></h3>
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<p>
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<b>Function Prototype:</b>
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</p>
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@ -7553,6 +7600,7 @@ notify a task when a message is available on a queue.
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<li><a href="#getpid">getpid</a></li>
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<li><a href="#standardio">gets</a></li>
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<li><a href="#getsockopt">getsockopt</a></li>
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<li><a href="#gmtime">gmtime</a></li>
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<li><a href="#gmtimer">gmtime_r</a></li>
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<li><a href="#Introduction">Introduction</a>
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<li><a href="#drvrioctlops">ioctl</a></li>
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@ -57,8 +57,9 @@
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#define O_APPEND 0x10 /* Keep contents, append to end */
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#define O_TRUNC 0x20 /* Delete contents */
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#define O_NONBLOCK 0x40 /* Don't wait for data */
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#define O_NDELAY O_NONBLOCK
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#define O_SYNC 0x80 /* Synchronize output on write */
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#define O_DSYNC OSYNC
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#define O_DSYNC O_SYNC
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#define O_RSYNC 0x00 /* Sychronize input on read */
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#define O_ACCMODE 0x00 /* Required by POSIX */
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@ -143,7 +143,10 @@ EXTERN int clock_gettime(clockid_t clockid, struct timespec *tp);
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EXTERN int clock_getres(clockid_t clockid, struct timespec *res);
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EXTERN time_t mktime(struct tm *tp);
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EXTERN struct tm *gmtime(const time_t *clock);
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EXTERN struct tm *gmtime_r(const time_t *clock, struct tm *result);
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#define localtime(c) gmtime(c)
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#define localtime_r(c,r) gmtime_r(c,r)
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EXTERN int timer_create(clockid_t clockid, FAR struct sigevent *evp, FAR timer_t *timerid);
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@ -83,7 +83,7 @@ UNISTD_SRCS += lib_chdir.c lib_getcwd.c
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endif
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endif
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TIME_SRCS = lib_mktime.c lib_gmtimer.c lib_timeutils.c
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TIME_SRCS = lib_mktime.c lib_gmtime.c lib_gmtimer.c lib_timeutils.c
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NET_SRCS = lib_htons.c lib_htonl.c lib_inetntoa.c lib_etherntoa.c
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94
lib/lib_gmtime.c
Normal file
94
lib/lib_gmtime.c
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@ -0,0 +1,94 @@
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/****************************************************************************
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* lib/lib_gmtime.c
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*
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* Copyright (C) 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <time.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/time.h>
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Type Declarations
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/**************************************************************************
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* Public Constant Data
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**************************************************************************/
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/****************************************************************************
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* Public Variables
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****************************************************************************/
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/**************************************************************************
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* Private Variables
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**************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Function: gmtime
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*
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* Description:
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* Similar to gmtime_r, but not thread-safe
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*
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****************************************************************************/
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struct tm *gmtime(const time_t *clock)
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{
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static struct tm tm;
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return gmtime_r(clock, &tm);
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}
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@ -62,6 +62,7 @@ struct mime_entry
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/* A list of file extensions followed by the corresponding MIME encoding.
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* Extensions not found in the table proceed to the mime_types table.
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* Must be ordered by extension so to support binary searches.
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*/
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static struct mime_entry enc_tab[] =
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@ -74,6 +75,7 @@ static const int n_enc_tab = sizeof(enc_tab) / sizeof(*enc_tab);
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/* A list of file extensions followed by the corresponding MIME type.
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* Extensions not found in the table are returned as text/plain.
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* Must be ordered by extension so to support binary searches.
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*/
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static struct mime_entry typ_tab[] =
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@ -1,7 +1,7 @@
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/********************************************************************************
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* clock_ticks2time.c
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*
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* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
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* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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