From 3534b428629be185e096be99e3bd5fdfe32d5544 Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Thu, 18 Sep 2014 18:55:44 +0000 Subject: initial commit with rc for skalibs-2.0.0.0 --- src/libstddjb/leapsecs_init.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 src/libstddjb/leapsecs_init.c (limited to 'src/libstddjb/leapsecs_init.c') diff --git a/src/libstddjb/leapsecs_init.c b/src/libstddjb/leapsecs_init.c new file mode 100644 index 0000000..41f9b89 --- /dev/null +++ b/src/libstddjb/leapsecs_init.c @@ -0,0 +1,34 @@ +/* ISC license. */ + +#include +#include +#include +#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) ; +} -- cgit v1.2.3