Change tain_now_set_* API: also give an initial value

1 files changed, 7 insertions, 6 deletions

diff --git a/src/libstddjb/tain_stopwatch.c b/src/libstddjb/tain_stopwatch.c
index 2bb4974..adcaace 100644
--- a/src/libstddjb/tain_stopwatch.c
+++ b/src/libstddjb/tain_stopwatch.c
@@ -7,15 +7,15 @@
 
 #include <time.h>
 
-int tain_stopwatch_init (clock_t cl, tain_t *offset)
+int tain_stopwatch_init (tain_t *now, clock_t cl, tain_t *offset)
 {
   tain_t a, b ;
   struct timespec ts ;
-  if (!tain_wallclock_read(&a)) return 0 ;
   if (clock_gettime(cl, &ts) < 0) return 0 ;
   if (!tain_from_timespec(&b, &ts)) return 0 ;
-  tain_add(&a, &a, &tain_nano500) ;
+  if (!tain_wallclock_read(&a)) return 0 ;
   tain_sub(offset, &a, &b) ;
+  *now = a ;
   return 1 ;
 }
 
@@ -32,16 +32,17 @@ int tain_stopwatch_read (tain_t *a, clock_t cl, tain_t const *offset)
 
 #include <errno.h>
 
-int tain_stopwatch_init (clock_t cl, tain_t *offset)
+int tain_stopwatch_init (tain_t *now, clock_t cl, tain_t *offset)
 {
+  (void)now ;
   (void)cl ;
   (void)offset ;
   return (errno = ENOSYS, 0) ;
 }
 
-int tain_stopwatch_read (tain_t *a, clock_t cl, tain_t const *offset)
+int tain_stopwatch_read (tain_t *now, clock_t cl, tain_t const *offset)
 {
-  (void)a ;
+  (void)now ;
   (void)cl ;
   (void)offset ;
   return (errno = ENOSYS, 0) ;