From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 30 Jun 2011 22:04:56 +0000 (-0700)
Subject: * lib/timespec.h (timespec_sign): New inline function.
X-Git-Tag: v0.1~2196
X-Git-Url: http://erislabs.org.uk/gitweb/?a=commitdiff_plain;h=e115de06311db0fede74181edc5fa1e3baf5381b;p=gnulib.git

* lib/timespec.h (timespec_sign): New inline function.
---

diff --git a/ChangeLog b/ChangeLog
index e68d6767a..31e04e8a0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2011-06-30  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* lib/timespec.h (timespec_sign): New inline function.
+
 	pselect: new module
 	* lib/sys_select.in.h: Include <signal.h>, for 'sigset_t'.
 	(pselect): New decls.
diff --git a/lib/timespec.h b/lib/timespec.h
index 74d5749df..d5b0996b8 100644
--- a/lib/timespec.h
+++ b/lib/timespec.h
@@ -57,6 +57,14 @@ timespec_cmp (struct timespec a, struct timespec b)
           : (int) (a.tv_nsec - b.tv_nsec));
 }
 
+/* Return -1, 0, 1, depending on the sign of A.  A.tv_nsec must be
+   nonnegative.  */
+static inline int
+timespec_sign (struct timespec a)
+{
+  return a.tv_sec < 0 ? -1 : a.tv_sec || a.tv_nsec;
+}
+
 void gettime (struct timespec *);
 int settime (struct timespec const *);