- Remove /etc/leapsecs.datv2.3.8.0

 - Publish tools to create the leap second table as a .c
 - Simplify functions using leap seconds
 - rc for 2.3.8.0

11 files changed, 59 insertions, 91 deletions

diff --git a/src/libstddjb/djbtime-internal.h b/src/libstddjb/djbtime-internal.h
index f402832..eb4e676 100644
--- a/src/libstddjb/djbtime-internal.h
+++ b/src/libstddjb/djbtime-internal.h
@@ -3,26 +3,13 @@
 #ifndef DJBTIME_INTERNAL_H
 #define DJBTIME_INTERNAL_H
 
-#include <skalibs/config.h>
 #include <skalibs/uint64.h>
 
+extern unsigned int const leapsecs_table_len ;
+extern uint64 const *const leapsecs_table ;
 
- /* Leap second handling, for UTC <--> TAI conversions */
-
-#define LEAPSECS_MAX 39
-#define LEAPSECS_FILE SKALIBS_ETC "/leapsecs.dat"
-extern uint64 *leapsecs_here ;
-
-extern int leapsecs_init_r (char const *, uint64 *) ;
-#define leapsecs_init() leapsecs_init_r(LEAPSECS_FILE, leapsecs_here)
-extern int leapsecs_add_r (uint64 *, char const *, uint64 *, int) ;
-#define leapsecs_add(t, h) leapsecs_add_r(t, LEAPSECS_FILE, leapsecs_here, h)
-extern int leapsecs_sub_r (uint64 *, char const *, uint64 *) ;
-#define leapsecs_sub(t) leapsecs_sub_r((t), LEAPSECS_FILE, leapsecs_here)
-
-
- /* Run-time test: does the current timezone handle leap seconds ? */
-
+extern void leapsecs_add (uint64 *, int) ;
+extern int leapsecs_sub (uint64 *) ;
 extern int skalibs_tzisright (void) ;
 
 #endif
diff --git a/src/libstddjb/leapsecs_add.c b/src/libstddjb/leapsecs_add.c
index c24486b..4b75f7d 100644
--- a/src/libstddjb/leapsecs_add.c
+++ b/src/libstddjb/leapsecs_add.c
@@ -3,17 +3,14 @@
 #include <skalibs/uint64.h>
 #include "djbtime-internal.h"
 
-int leapsecs_add_r (uint64 *t, char const *file, uint64 *leapsecs, int hit)
+void leapsecs_add (uint64 *t, int hit)
 {
   uint64 u = *t ;
-  int n = leapsecs_init_r(file, leapsecs) ;
   register unsigned int i = 0 ;
-  if (n < 0) return -1 ;
-  for (; i < (unsigned int)n ; i++)
+  for (; i < leapsecs_table_len ; i++)
   {
-    if (u < leapsecs[i]) break ;
-    if (!hit || (leapsecs[i] < u)) ++u ;
+    if (u < leapsecs_table[i]) break ;
+    if (!hit || (leapsecs_table[i] < u)) ++u ;
   }
   *t = u ;
-  return n ;
 }
diff --git a/src/libstddjb/leapsecs_here.c b/src/libstddjb/leapsecs_here.c
deleted file mode 100644
index 3ecdfd1..0000000
--- a/src/libstddjb/leapsecs_here.c
+++ /dev/null
@@ -1,9 +0,0 @@
-/* ISC license. */
-
-/* MT-unsafe */
-
-#include <skalibs/uint64.h>
-#include "djbtime-internal.h"
-
-static uint64 leapsecs_here_tab[LEAPSECS_MAX+1] ;
-uint64 *leapsecs_here = leapsecs_here_tab ;
diff --git a/src/libstddjb/leapsecs_init.c b/src/libstddjb/leapsecs_init.c
deleted file mode 100644
index 41f9b89..0000000
--- a/src/libstddjb/leapsecs_init.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/* ISC license. */
-
-#include <errno.h>
-#include <skalibs/uint64.h>
-#include <skalibs/djbunix.h>
-#include "djbtime-internal.h"
-
-static unsigned int leapsecs_len (uint64 const *data)
-{
-  register unsigned int i = 1 ;
-  while (data[i]) i++ ;
-  return i ;
-}
-
-static int leapsecs_read (char const *file, uint64 *data)
-{
-  char s[LEAPSECS_MAX * sizeof(uint64)] ;
-  register int n = openreadnclose(file, s, LEAPSECS_MAX * sizeof(uint64)) ;
-  if (n < 0) return -1 ;
-  if (n % sizeof(uint64)) return (errno = EINVAL, -1) ;
-  n /= sizeof(uint64) ;
-  {
-    register unsigned int i = 0 ;
-    for (; i < (unsigned int)n ; i++)
-      uint64_unpack_big(s + i * sizeof(uint64), data + i) ;
-  }
-  data[n] = 0 ;
-  return n ;
-}
-
-int leapsecs_init_r (char const *file, uint64 *data)
-{
-  return data[0] ? (int)leapsecs_len(data) : leapsecs_read(file, data) ;
-}
diff --git a/src/libstddjb/leapsecs_sub.c b/src/libstddjb/leapsecs_sub.c
index 271f592..f466fac 100644
--- a/src/libstddjb/leapsecs_sub.c
+++ b/src/libstddjb/leapsecs_sub.c
@@ -3,19 +3,17 @@
 #include <skalibs/uint64.h>
 #include "djbtime-internal.h"
 
-int leapsecs_sub_r (uint64 *t, char const *file, uint64 *leapsecs)
+int leapsecs_sub (uint64 *t)
 {
   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++)
+  for (; i < leapsecs_table_len ; i++)
   {
-    if (u < leapsecs[i]) break ;
+    if (u < leapsecs_table[i]) break ;
     ++d ;
-    if (u == leapsecs[i]) hit = 1 ;
+    if (u == leapsecs_table[i]) hit = 1 ;
   }
   *t = u - d ;
   return hit ;
diff --git a/src/libstddjb/leapsecs_table.c b/src/libstddjb/leapsecs_table.c
new file mode 100644
index 0000000..d5a32a9
--- /dev/null
+++ b/src/libstddjb/leapsecs_table.c
@@ -0,0 +1,39 @@
+/* ISC license. */
+
+/* MT-unsafe */
+
+#include <skalibs/uint64.h>
+#include <skalibs/tai.h>
+#include "djbtime-internal.h"
+
+unsigned int const leapsecs_table_len = 26 ;
+static uint64 const leapsecs_table_[26] =
+{
+  TAI_MAGIC + 78796809,
+  TAI_MAGIC + 94694410,
+  TAI_MAGIC + 126230411,
+  TAI_MAGIC + 157766412,
+  TAI_MAGIC + 189302413,
+  TAI_MAGIC + 220924814,
+  TAI_MAGIC + 252460815,
+  TAI_MAGIC + 283996816,
+  TAI_MAGIC + 315532817,
+  TAI_MAGIC + 362793618,
+  TAI_MAGIC + 394329619,
+  TAI_MAGIC + 425865620,
+  TAI_MAGIC + 489024021,
+  TAI_MAGIC + 567993622,
+  TAI_MAGIC + 631152023,
+  TAI_MAGIC + 662688024,
+  TAI_MAGIC + 709948825,
+  TAI_MAGIC + 741484826,
+  TAI_MAGIC + 773020827,
+  TAI_MAGIC + 820454428,
+  TAI_MAGIC + 867715229,
+  TAI_MAGIC + 915148830,
+  TAI_MAGIC + 1136073631,
+  TAI_MAGIC + 1230768032,
+  TAI_MAGIC + 1341100833,
+  TAI_MAGIC + 1435708834
+} ;
+uint64 const *const leapsecs_table = leapsecs_table_ ;
diff --git a/src/libstddjb/ltm64_from_utc.c b/src/libstddjb/ltm64_from_utc.c
index 28907c9..7e08eb1 100644
--- a/src/libstddjb/ltm64_from_utc.c
+++ b/src/libstddjb/ltm64_from_utc.c
@@ -8,7 +8,7 @@ int ltm64_from_utc (uint64 *u)
 {
   switch (skalibs_tzisright())
   {
-    case 1 : return leapsecs_add(u, 0) >= 0 ;
+    case 1 : leapsecs_add(u, 0) ;
     case 0 : return 1 ;
     default : return 0 ;
   }
diff --git a/src/libstddjb/tai_from_utc.c b/src/libstddjb/tai_from_utc.c
index c5dc62d..3f4d5ec 100644
--- a/src/libstddjb/tai_from_utc.c
+++ b/src/libstddjb/tai_from_utc.c
@@ -7,6 +7,6 @@
 
 int tai_from_utc (tai_t *t, uint64 u)
 {
-  if (leapsecs_add(&u, 0) < 0) return 0 ;
+  leapsecs_add(&u, 0) ;
   return tai_u64(t, u + 10) ;
 }
diff --git a/src/libstddjb/utc_from_localtm.c b/src/libstddjb/utc_from_localtm.c
index cad1a06..a5886f3 100644
--- a/src/libstddjb/utc_from_localtm.c
+++ b/src/libstddjb/utc_from_localtm.c
@@ -7,9 +7,7 @@
 
 int utc_from_localtm (uint64 *uu, struct tm const *l)
 {
-  uint64 u ;
-  if (!ltm64_from_localtm(&u, l)) return 0 ;
-  if (!utc_from_ltm64(&u)) return 0 ;
-  *uu = u ;
+  if (!ltm64_from_localtm(uu, l)) return 0 ;
+  utc_from_ltm64(uu) ;
   return 1 ;
 }
diff --git a/src/libstddjb/utc_from_ltm64.c b/src/libstddjb/utc_from_ltm64.c
index 44aea15..788a539 100644
--- a/src/libstddjb/utc_from_ltm64.c
+++ b/src/libstddjb/utc_from_ltm64.c
@@ -5,19 +5,11 @@
 #include <skalibs/djbtime.h>
 #include "djbtime-internal.h"
 
-#ifdef SKALIBS_FLAG_CLOCKISTAI
-
-int utc_from_ltm64 (uint64 *u)
-{
-  return (leapsecs_sub(u) > 0) ;
-}
-
-#else
 
 int utc_from_ltm64 (uint64 *u)
 {
-  (void)u ;
+#ifdef SKALIBS_FLAG_CLOCKISTAI
+  leapsecs_sub(u) ;
+#endif
   return 1 ;
 }
-
-#endif
diff --git a/src/libstddjb/utc_from_tai.c b/src/libstddjb/utc_from_tai.c
index 80d2763..1e5e094 100644
--- a/src/libstddjb/utc_from_tai.c
+++ b/src/libstddjb/utc_from_tai.c
@@ -10,7 +10,7 @@ int utc_from_tai (uint64 *u, tai_t const *t)
 {
   uint64 tt = t->x - 10 ;
   if (t->x < 10U) return (errno = EINVAL, 0) ;
-  if (leapsecs_sub(&tt) < 0) return 0 ;
+  leapsecs_sub(&tt) ;
   *u = tt ;
   return 1 ;
 }