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| author | Mattias Andrée <maandree@kth.se> | 2017-11-12 14:44:35 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2017-11-12 14:54:29 +0100 |
| commit | 67a395794b678d7da053c3daf61eb12d3f9437f2 (patch) | |
| tree | 26be121e2738954a648d4032e8798723034960d7 /difftimeval.c | |
| parent | More functions and add makefile (diff) | |
| download | libsimple-67a395794b678d7da053c3daf61eb12d3f9437f2.tar.gz libsimple-67a395794b678d7da053c3daf61eb12d3f9437f2.tar.bz2 libsimple-67a395794b678d7da053c3daf61eb12d3f9437f2.tar.xz | |
Split into multiple units
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'difftimeval.c')
| -rw-r--r-- | difftimeval.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/difftimeval.c b/difftimeval.c new file mode 100644 index 0000000..b4c3451 --- /dev/null +++ b/difftimeval.c @@ -0,0 +1,16 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" + + +int +libsimple_difftimeval(struct timeval *diff, const struct timeval *minuend, const struct timeval *subtrahend) +{ + struct timespec a, b, d; + int r; + libsimple_timeval2timespec(&a, minuend); + libsimple_timeval2timespec(&b, subtrahend); + r = libsimple_difftimespec(&d, &a, &b); + if (r && errno != ERANGE) + return r; + return r | libsimple_timespec2timeval(diff, &d); +} |