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-rw-r--r--src/libbiguint/bu_scan.c18
1 files changed, 18 insertions, 0 deletions
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 ;
+}