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authorLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
commit3534b428629be185e096be99e3bd5fdfe32d5544 (patch)
tree210ef3198ed66bc7f7b7bf6a85e4579f455e5a36 /src/libstddjb/leapsecs_sub.c
downloadskalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'src/libstddjb/leapsecs_sub.c')
-rw-r--r--src/libstddjb/leapsecs_sub.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/libstddjb/leapsecs_sub.c b/src/libstddjb/leapsecs_sub.c
new file mode 100644
index 0000000..271f592
--- /dev/null
+++ b/src/libstddjb/leapsecs_sub.c
@@ -0,0 +1,22 @@
+/* ISC license. */
+
+#include <skalibs/uint64.h>
+#include "djbtime-internal.h"
+
+int leapsecs_sub_r (uint64 *t, char const *file, uint64 *leapsecs)
+{
+ uint64 u = *t ;
+ uint64 d = 0 ;
+ int n = leapsecs_init_r(file, leapsecs) ;
+ register unsigned int i = 0 ;
+ register int hit = 0 ;
+ if (n < 0) return -1 ;
+ for (; i < (unsigned int)n ; i++)
+ {
+ if (u < leapsecs[i]) break ;
+ ++d ;
+ if (u == leapsecs[i]) hit = 1 ;
+ }
+ *t = u - d ;
+ return hit ;
+}