From 295c0a7cf995629a9c174d3d24c171a744d3abf4 Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@tuebingen.mpg.de>
Date: Sat, 3 Jan 2015 16:11:06 +0000
Subject: [PATCH] tv.c: Remove unused functions.

Quite a few public functions of tv.c are not used anywhere in dss,
so let's get rid of them. We can easily add them back in case they
are neeed in the future.

Found by cppcheck.
---
 tv.c | 86 ------------------------------------------------------------
 tv.h |  7 -----
 2 files changed, 93 deletions(-)

diff --git a/tv.c b/tv.c
index 5beca9d..8ab5e5a 100644
--- a/tv.c
+++ b/tv.c
@@ -16,42 +16,6 @@
 #include "log.h"
 #include "time.h"
 
-/**
- * Convert struct timeval to milliseconds.
- *
- * \param tv The time value value to convert.
- *
- * \return The number off milliseconds in \a tv.
- */
-long unsigned tv2ms(const struct timeval *tv)
-{
-	return tv->tv_sec * 1000 + (tv->tv_usec + 500)/ 1000;
-}
-
-/**
- * Convert milliseconds to a struct timeval.
- *
- * \param n The number of milliseconds.
- * \param tv Result pointer.
- */
-void ms2tv(long unsigned n, struct timeval *tv)
-{
-	tv->tv_sec = n / 1000;
-	tv->tv_usec = (n % 1000) * 1000;
-}
-
-/**
- * Convert a double to a struct timeval.
- *
- * \param x The value to convert.
- * \param tv Result pointer.
- */
-void d2tv(double x, struct timeval *tv)
-{
-	tv->tv_sec = x;
-	tv->tv_usec = (x - (double)tv->tv_sec) * 1000.0 * 1000.0 + 0.5;
-}
-
 /**
  * Compute the difference of two time values.
  *
@@ -86,56 +50,6 @@ int tv_diff(const struct timeval *b, const struct timeval *a, struct timeval *di
 	return ret;
 }
 
-/**
- * Add two time values.
- *
- * \param a First addend.
- * \param b Second addend.
- * \param sum Contains the sum \a + \a b on return.
- */
-void tv_add(const struct timeval *a, const struct timeval *b,
-	struct timeval *sum)
-{
-	sum->tv_sec = a->tv_sec + b->tv_sec;
-	if (a->tv_usec + b->tv_usec >= 1000 * 1000) {
-		sum->tv_sec++;
-		sum->tv_usec = a->tv_usec + b->tv_usec - 1000 * 1000;
-	} else
-		sum->tv_usec = a->tv_usec + b->tv_usec;
-}
-
-/**
- * Compute integer multiple of given struct timeval.
- *
- * \param mult The integer value to multiply with.
- * \param tv The timevalue to multiply.
- *
- * \param result Contains \a mult * \a tv on return.
- */
-void tv_scale(const unsigned long mult, const struct timeval *tv,
-	struct timeval *result)
-{
-	result->tv_sec = mult * tv->tv_sec;
-	result->tv_sec += tv->tv_usec * mult / 1000 / 1000;
-	result->tv_usec = tv->tv_usec * mult % (1000 * 1000);
-}
-
-/**
- * Compute a fraction of given struct timeval.
- *
- * \param divisor The integer value to divide by.
- * \param tv The timevalue to divide.
- * \param result Contains (1 / mult) * tv on return.
- */
-void tv_divide(const unsigned long divisor, const struct timeval *tv,
-	struct timeval *result)
-{
-	uint64_t x = ((uint64_t)tv->tv_sec * 1000 * 1000 + tv->tv_usec) / divisor;
-
-	result->tv_sec = x / 1000 / 1000;
-	result->tv_usec = x % (1000 * 1000);
-}
-
 int64_t get_current_time(void)
 {
 	time_t now;
diff --git a/tv.h b/tv.h
index f2021e0..c61a848 100644
--- a/tv.h
+++ b/tv.h
@@ -1,9 +1,2 @@
 int tv_diff(const struct timeval *b, const struct timeval *a, struct timeval *diff);
-long unsigned tv2ms(const struct timeval*);
-void d2tv(double, struct timeval*);
-void tv_add(const struct timeval*, const struct timeval *, struct timeval *);
-void tv_scale(const unsigned long, const struct timeval *, struct timeval *);
-void tv_divide(const unsigned long divisor, const struct timeval *tv,
-	struct timeval *result);
-void ms2tv(const long unsigned n, struct timeval *tv);
 int64_t get_current_time(void);
-- 
2.39.5