Initial commit.

stutterfuzz.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <stdint.h>
+
+#include "rand.h"
+
+static uint64_t sqrt64(uint64_t n) {
+	uint64_t g = UINT64_C(1) << 31;
+  
+	for (uint64_t c = g; c; g |= c) {
+		if (g * g > n) {
+			g ^= c;  
+		}
+		c >>= 1;
+	}  
+	return g;
+}  
+
+static uint64_t get_split(uint64_t len) {
+	uint64_t rnd;
+	rand_fill(&rnd, sizeof(rnd));
+	rnd %= (len * len);
+	return sqrt64(rnd) + 1;
+}
+
+int main(int __attribute__ ((unused)) argc, char __attribute__ ((unused)) *argv[]) {
+	rand_init();
+
+	for (uint64_t len = 1397; len;) {
+		uint64_t consume = get_split(len);
+		fprintf(stderr, "consume %ju bytes\n", (uintmax_t) consume);
+		len -= consume;
+	}
+
+	rand_cleanup();
+}