Add program

1 files changed, 64 insertions, 0 deletions

diff --git a/keymash.c b/keymash.c
new file mode 100644
index 0000000..80deb16
--- /dev/null
+++ b/keymash.c
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: BSD-3-Clause
+
+#include <time.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+
+const char start[10] = {'s','s','s','d','d','d','f','f','f','f'};
+const char end[11] = {'g','g','g','h','h','h','j','k','l','l','l'};
+
+int
+main (int argc, char *argv[]) {
+	if (argc <= 1) {
+		puts("Give me the keymash length!");
+		return 1;
+	}
+	int keymashlength = atoi(argv[1]);
+	char *keymash = malloc(keymashlength+1);
+	int r,total = 0;
+	char prev = 'a';
+	int val = 0;
+	int switchup = 0;
+
+	srand(time(NULL));
+	total += sprintf(keymash+total, "%c", prev);
+	while (total < keymashlength) {
+		if (val == 0) {
+			int j = total+2 < keymashlength ? 2 : 1;
+			for (int i = 0; i < j; i++) {
+				r = abs((rand() % 10 - r) + r);
+				if (prev != start[r]) {
+					total += sprintf(keymash+total, "%c", start[r]);
+					prev = start[r];
+					//total += 1;
+				} else {
+					i -= 1;
+				}
+			}
+			switchup = switchup < 0 ? 0 : switchup+1;
+		} else if (val == 1) {
+			int j = total+2 < keymashlength ? 2 : 1;
+			for (int i = 0; i < j; i++) {
+				r = abs((rand() % 11));
+				if (prev != end[r]) {
+					total += sprintf(keymash+total, "%c", end[r]);
+					prev = end[r];
+				} else {
+					i -= 1;
+				}
+			}
+			switchup = switchup > 0 ? 0 : switchup-1;
+		}
+		if (switchup < 2 || switchup > -2) {
+			val = abs(rand() % 2);
+		} else {
+			val = switchup < 0 ? 0 : 1;
+		}
+	}
+	puts(keymash);
+	free(keymash);
+	return 0;
+
+}