[git commit] sleep: support "inf"

[Denys Vlasenko]

commit: https://git.busybox.net/busybox/commit/?id=edca770d11edcc5b5548a62c068b2e75f1ccb54a
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 coreutils/sleep.c | 5 +++++
 miscutils/bc.c    | 1 -
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/coreutils/sleep.c b/coreutils/sleep.c
index 5c9cda9f0..7bfaab920 100644
--- a/coreutils/sleep.c
+++ b/coreutils/sleep.c
@@ -68,6 +68,11 @@ int sleep_main(int argc UNUSED_PARAM, char **argv)
 	if (!*argv)
 		bb_show_usage();
 
+	/* GNU sleep accepts "inf", "INF", "infinity" and "INFINITY" */
+	if (strncasecmp(argv[0], "inf", 3) == 0)
+		for (;;)
+			sleep(INT_MAX);
+
 #if ENABLE_FEATURE_FANCY_SLEEP
 # if ENABLE_FLOAT_DURATION
 	/* undo busybox.c setlocale */
diff --git a/miscutils/bc.c b/miscutils/bc.c
index 74884557a..bf174dafb 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -7407,4 +7407,3 @@ int dc_main(int argc UNUSED_PARAM, char **argv)
 #endif
 
 #endif // DC_BIG
-