commit de1dbfe9d859807c79840ee4720ca95641cbfdb0
from: Thomas Adam <thomas@xteddy.org>
date: Wed Jan 05 21:24:38 2022 UTC

portable: add compat wrappers for timespec*()

Although there are definitions for timespec*() functions in libbsd,
these were added fairly recently, which means not all non-BSD systems
will have them.  In such cases, provide a portable wrapper.

commit - 39a089ac0ae7a9974bf6174d08636de0872801f4
commit + de1dbfe9d859807c79840ee4720ca95641cbfdb0
blob - 78da94b5a6a66a86e58077352388589e6c6a18f2
blob + c07416a808a6799841c0c9978d004659680beda2
--- include/got_compat.h
+++ include/got_compat.h
@@ -230,6 +230,35 @@ int	BSDgetopt(int, char *const *, const char *);
 #endif
 #endif
 
+/* Check for some of the non-portable timespec*() functions.
+ * This should largely come from libbsd for systems which
+ * aren't BSD, but this will depend on how old the library
+ * is.
+ */
+#ifndef timespecisset
+#define	timespecisset(tsp) \
+	((tsp)->tv_sec || (tsp)->tv_nsec)
+#endif
+
+#ifndef timespecsub
+#define	timespecsub(tsp, usp, vsp)					\
+	do {								\
+		(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;		\
+		(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;	\
+		if ((vsp)->tv_nsec < 0) {				\
+			(vsp)->tv_sec--;				\
+			(vsp)->tv_nsec += 1000000000L;			\
+		}							\
+	} while (0)
+#endif
+
+#ifndef timespeccmp
+#define timespeccmp(tvp, uvp, cmp) 					\
+(((tvp)->tv_sec == (uvp)->tv_sec) ? 					\
+	((tvp)->tv_nsec cmp (uvp)->tv_nsec) : 				\
+	((tvp)->tv_sec cmp (uvp)->tv_sec))
+#endif
+
 #ifndef HAVE_BSD_MERGESORT
 /* mergesort.c */
 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
blob - 219e7905e4765ae964a3ab7a1e8145d1ce344c2f
blob + bebba105c6a81b120e96533ec5705154f663f481
--- lib/ratelimit.c
+++ lib/ratelimit.c
@@ -23,6 +23,7 @@
 
 #include "got_lib_ratelimit.h"
 
+#include "got_compat.h"
 #include "got_error.h"
 
 void