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authorMattias Andrée <maandree@kth.se>2017-11-12 14:44:35 +0100
committerMattias Andrée <maandree@kth.se>2017-11-12 14:54:29 +0100
commit67a395794b678d7da053c3daf61eb12d3f9437f2 (patch)
tree26be121e2738954a648d4032e8798723034960d7 /sumtimeval.c
parentMore functions and add makefile (diff)
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Split into multiple units
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r--sumtimeval.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/sumtimeval.c b/sumtimeval.c
new file mode 100644
index 0000000..04746aa
--- /dev/null
+++ b/sumtimeval.c
@@ -0,0 +1,16 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+
+
+int
+libsimple_sumtimeval(struct timeval *sum, const struct timeval *augend, const struct timeval *addend)
+{
+ struct timespec a, b, s;
+ int r;
+ libsimple_timeval2timespec(&a, augend);
+ libsimple_timeval2timespec(&b, addend);
+ r = libsimple_sumtimespec(&s, &a, &b);
+ if (r && errno != ERANGE)
+ return r;
+ return r | libsimple_timespec2timeval(sum, &s);
+}