From 97faf531c81be075ecafb2ac83b17eae78cd2afb Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Tue, 15 Jul 2008 22:01:49 +0000
Subject: [PATCH] sleep: make fractional seconds separately selectable in
 .config

---
 coreutils/Config.in | 23 +++++++++++++++++++----
 coreutils/sleep.c   |  6 +++---
 miscutils/Config.in |  6 +++---
 3 files changed, 25 insertions(+), 10 deletions(-)

diff --git a/coreutils/Config.in b/coreutils/Config.in
index 8d6192586..b01980d9a 100644
--- a/coreutils/Config.in
+++ b/coreutils/Config.in
@@ -509,18 +509,33 @@ config SHA1SUM
 	  Compute and check SHA1 message digest
 
 config SLEEP
-	bool "sleep (single integer arg with no suffix)"
+	bool "sleep"
 	default n
 	help
-	  sleep is used to pause for a specified number of seconds,
+	  sleep is used to pause for a specified number of seconds.
+	  It comes in 3 versions:
+	  - small: takes one integer parameter
+	  - fancy: takes multiple integer arguments with suffixes:
+	    sleep 1d 2h 3m 15s
+	  - fancy with fractional numbers:
+	    sleep 2.3s 4.5h sleeps for 16202.3 seconds
+	  Last one is "the most compatible" with coreutils sleep,
+	  but it adds around 1k of code.
 
 config FEATURE_FANCY_SLEEP
-	bool "Enable multiple integer args and optional time suffixes"
+	bool "Enable multiple arguments and s/m/h/d suffixes"
 	default n
 	depends on SLEEP
 	help
 	  Allow sleep to pause for specified minutes, hours, and days.
 
+config FEATURE_FLOAT_SLEEP
+	bool "Enable fractional arguments"
+	default n
+	depends on FEATURE_FANCY_SLEEP
+	help
+	  Allow for fractional numeric parameters.
+
 config SORT
 	bool "sort"
 	default n
@@ -532,7 +547,7 @@ config FEATURE_SORT_BIG
 	default y
 	depends on SORT
 	help
-	  Without this, sort only supports  -r, -u, and an integer version
+	  Without this, sort only supports -r, -u, and an integer version
 	  of -n.  Selecting this adds sort keys, floating point support, and
 	  more.  This adds a little over 3k to a nonstatic build on x86.
 
diff --git a/coreutils/sleep.c b/coreutils/sleep.c
index 93b178d76..de18dd0db 100644
--- a/coreutils/sleep.c
+++ b/coreutils/sleep.c
@@ -23,7 +23,7 @@
 /* This is a NOFORK applet. Be very careful! */
 
 
-#if ENABLE_FEATURE_FANCY_SLEEP
+#if ENABLE_FEATURE_FANCY_SLEEP || ENABLE_FEATURE_FLOAT_SLEEP
 static const struct suffix_mult sfx[] = {
 	{ "s", 1 },
 	{ "m", 60 },
@@ -36,7 +36,7 @@ static const struct suffix_mult sfx[] = {
 int sleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sleep_main(int argc UNUSED_PARAM, char **argv)
 {
-#if ENABLE_FEATURE_FANCY_SLEEP && ENABLE_DESKTOP
+#if ENABLE_FEATURE_FLOAT_SLEEP
 	double duration;
 	struct timespec ts;
 #else
@@ -47,7 +47,7 @@ int sleep_main(int argc UNUSED_PARAM, char **argv)
 	if (!*argv)
 		bb_show_usage();
 
-#if ENABLE_FEATURE_FANCY_SLEEP && ENABLE_DESKTOP
+#if ENABLE_FEATURE_FLOAT_SLEEP
 
 	duration = 0;
 	do {
diff --git a/miscutils/Config.in b/miscutils/Config.in
index fae537b52..2a80e6148 100644
--- a/miscutils/Config.in
+++ b/miscutils/Config.in
@@ -342,7 +342,7 @@ config FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
 	  This is dangerous stuff, so you should probably say N.
 
 config FEATURE_HDPARM_HDIO_DRIVE_RESET
-	bool "perform device reset (DANGEROUS)"
+	bool "Perform device reset (DANGEROUS)"
 	default n
 	depends on HDPARM
 	help
@@ -350,7 +350,7 @@ config FEATURE_HDPARM_HDIO_DRIVE_RESET
 	  This is dangerous stuff, so you should probably say N.
 
 config FEATURE_HDPARM_HDIO_TRISTATE_HWIF
-	bool "tristate device for hotswap (DANGEROUS)"
+	bool "Tristate device for hotswap (DANGEROUS)"
 	default n
 	depends on HDPARM
 	help
@@ -359,7 +359,7 @@ config FEATURE_HDPARM_HDIO_TRISTATE_HWIF
 	  stuff, so you should probably say N.
 
 config FEATURE_HDPARM_HDIO_GETSET_DMA
-	bool "get/set using_dma flag (DANGEROUS)"
+	bool "Get/set using_dma flag (DANGEROUS)"
 	default n
 	depends on HDPARM
 	help