Adding upstream version 4.99.4.upstream/4.99.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/timeval-operations.h b/timeval-operations.h
new file mode 100644
index 0000000..177027d
--- /dev/null
+++ b/timeval-operations.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2015 The TCPDUMP project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef netdissect_timeval_operations_h
+#define netdissect_timeval_operations_h
+
+/* Operations on timevals. */
+
+#define ND_MICRO_PER_SEC 1000000
+#define ND_NANO_PER_SEC 1000000000
+
+#define netdissect_timevalclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0)
+
+#define netdissect_timevalisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
+
+#define netdissect_timevalcmp(tvp, uvp, cmp)   \
+	(((tvp)->tv_sec == (uvp)->tv_sec) ?    \
+	 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \
+	 ((tvp)->tv_sec cmp (uvp)->tv_sec))
+
+#define netdissect_timevaladd(tvp, uvp, vvp, nano_prec)           \
+	do {                                                      \
+		(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;    \
+		(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
+		if (nano_prec) {                                  \
+			if ((vvp)->tv_usec >= ND_NANO_PER_SEC) {  \
+				(vvp)->tv_sec++;                  \
+				(vvp)->tv_usec -= ND_NANO_PER_SEC; \
+			}                                         \
+		} else {                                          \
+			if ((vvp)->tv_usec >= ND_MICRO_PER_SEC) { \
+				(vvp)->tv_sec++;                  \
+				(vvp)->tv_usec -= ND_MICRO_PER_SEC; \
+			}                                         \
+		}                                                 \
+	} while (0)
+
+#define netdissect_timevalsub(tvp, uvp, vvp, nano_prec)            \
+	do {                                                       \
+		(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;     \
+		(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;  \
+		if ((vvp)->tv_usec < 0) {                          \
+		    (vvp)->tv_sec--;                               \
+		    (vvp)->tv_usec += (nano_prec ? ND_NANO_PER_SEC : \
+				       ND_MICRO_PER_SEC);          \
+		}                                                  \
+	} while (0)
+
+#endif /* netdissect_timeval_operations_h */