summaryrefslogtreecommitdiffstats
path: root/src/polyp/timeval.c
diff options
context:
space:
mode:
authorLennart Poettering <lennart@poettering.net>2006-06-19 21:53:48 +0000
committerLennart Poettering <lennart@poettering.net>2006-06-19 21:53:48 +0000
commitf44ba092651aa75055e109e04b4164ea92ae7fdc (patch)
tree5dfe076191b32946e78edf64d584d0a65f320013 /src/polyp/timeval.c
parentdd21f11deda64e65a6f75817496534c2c9dda1a8 (diff)
big s/polyp/pulse/g
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/polyp/timeval.c')
-rw-r--r--src/polyp/timeval.c142
1 files changed, 0 insertions, 142 deletions
diff --git a/src/polyp/timeval.c b/src/polyp/timeval.c
deleted file mode 100644
index 6043d7fd..00000000
--- a/src/polyp/timeval.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/* $Id$ */
-
-/***
- This file is part of polypaudio.
-
- polypaudio is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of the
- License, or (at your option) any later version.
-
- polypaudio is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with polypaudio; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <assert.h>
-#include <stddef.h>
-#include <sys/time.h>
-
-#ifdef HAVE_WINDOWS_H
-#include <windows.h>
-#endif
-
-#include "../polypcore/winsock.h"
-
-#include "timeval.h"
-
-struct timeval *pa_gettimeofday(struct timeval *tv) {
-#ifdef HAVE_GETTIMEOFDAY
- assert(tv);
-
- return gettimeofday(tv, NULL) < 0 ? NULL : tv;
-#elif defined(OS_IS_WIN32)
- /*
- * Copied from implementation by Steven Edwards (LGPL).
- * Found on wine mailing list.
- */
-
-#if defined(_MSC_VER) || defined(__BORLANDC__)
-#define EPOCHFILETIME (116444736000000000i64)
-#else
-#define EPOCHFILETIME (116444736000000000LL)
-#endif
-
- FILETIME ft;
- LARGE_INTEGER li;
- __int64 t;
-
- assert(tv);
-
- GetSystemTimeAsFileTime(&ft);
- li.LowPart = ft.dwLowDateTime;
- li.HighPart = ft.dwHighDateTime;
- t = li.QuadPart; /* In 100-nanosecond intervals */
- t -= EPOCHFILETIME; /* Offset to the Epoch time */
- t /= 10; /* In microseconds */
- tv->tv_sec = (long)(t / 1000000);
- tv->tv_usec = (long)(t % 1000000);
-
- return tv;
-#else
-#error "Platform lacks gettimeofday() or equivalent function."
-#endif
-}
-
-pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b) {
- pa_usec_t r;
- assert(a && b);
-
- /* Check which whan is the earlier time and swap the two arguments if reuqired. */
- if (pa_timeval_cmp(a, b) < 0) {
- const struct timeval *c;
- c = a;
- a = b;
- b = c;
- }
-
- /* Calculate the second difference*/
- r = ((pa_usec_t) a->tv_sec - b->tv_sec)* 1000000;
-
- /* Calculate the microsecond difference */
- if (a->tv_usec > b->tv_usec)
- r += ((pa_usec_t) a->tv_usec - b->tv_usec);
- else if (a->tv_usec < b->tv_usec)
- r -= ((pa_usec_t) b->tv_usec - a->tv_usec);
-
- return r;
-}
-
-int pa_timeval_cmp(const struct timeval *a, const struct timeval *b) {
- assert(a && b);
-
- if (a->tv_sec < b->tv_sec)
- return -1;
-
- if (a->tv_sec > b->tv_sec)
- return 1;
-
- if (a->tv_usec < b->tv_usec)
- return -1;
-
- if (a->tv_usec > b->tv_usec)
- return 1;
-
- return 0;
-}
-
-pa_usec_t pa_timeval_age(const struct timeval *tv) {
- struct timeval now;
- assert(tv);
-
- return pa_timeval_diff(pa_gettimeofday(&now), tv);
-}
-
-struct timeval* pa_timeval_add(struct timeval *tv, pa_usec_t v) {
- unsigned long secs;
- assert(tv);
-
- secs = (v/1000000);
- tv->tv_sec += (unsigned long) secs;
- v -= secs*1000000;
-
- tv->tv_usec += v;
-
- /* Normalize */
- while (tv->tv_usec >= 1000000) {
- tv->tv_sec++;
- tv->tv_usec -= 1000000;
- }
-
- return tv;
-}