From 3534b428629be185e096be99e3bd5fdfe32d5544 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Thu, 18 Sep 2014 18:55:44 +0000
Subject: initial commit with rc for skalibs-2.0.0.0

---
 src/libbiguint/bu_scan.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 src/libbiguint/bu_scan.c

(limited to 'src/libbiguint/bu_scan.c')

diff --git a/src/libbiguint/bu_scan.c b/src/libbiguint/bu_scan.c
new file mode 100644
index 0000000..a34ed99
--- /dev/null
+++ b/src/libbiguint/bu_scan.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+/* OpenBSD needs that for EOVERFLOW. wtfbsdseriously */
+#define _BSD_SOURCE
+
+#include <errno.h>
+#include <skalibs/uint32.h>
+#include <skalibs/bitarray.h>
+#include <skalibs/biguint.h>
+
+int bu_scan (char const *s, unsigned int len, uint32 *x, unsigned int xn, unsigned int zeron)
+{
+  register unsigned int n = bitarray_div8(zeron) ;
+  if (xn < n) return (errno = EOVERFLOW, 0) ;
+  bu_scan_internal(s, len, x) ;
+  bu_zero(x + n, xn - n) ;
+  return 1 ;
+}
-- 
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