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/librandom/rrandom_read.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 src/librandom/rrandom_read.c (limited to 'src/librandom/rrandom_read.c') diff --git a/src/librandom/rrandom_read.c b/src/librandom/rrandom_read.c new file mode 100644 index 0000000..57ff920 --- /dev/null +++ b/src/librandom/rrandom_read.c @@ -0,0 +1,21 @@ +/* ISC license. */ + +#include +#include +#include +#include +#include + +unsigned int rrandom_read (rrandom_ref z, char *s, unsigned int n, unsigned int (*f) (unirandom_ref, char *, unsigned int)) +{ + unsigned int i = 0 ; + for (; i < 3 ; i++) + { + int r ; + if (!z->tries[i].ok) continue ; + r = sanitize_read((*f)(&z->tries[i].it, s, n)) ; + if (r > 0) return r ; + z->tries[i].ok = error_temp(errno) ? z->tries[i].ok - 1 : 0 ; + } + return (errno = ENOENT, 0) ; +} -- cgit v1.3.1