day 4

day0.h

@@ -0,0 +1,92 @@
+#include "lib.h"
+
+#define DBG 0
+
+static
+unsigned char input[] = {
+#embed "day0_input.txt"
+};
+
+static
+unsigned char test[] = {
+#embed "day0_test.txt"
+};
+
+
+static
+unsigned long do_part1(size_t file_len, unsigned char file[file_len]) {
+    unsigned char *s = file;
+    unsigned long result = 0;
+
+#if DBG
+    print("\n");
+#endif
+
+do {
+    s++;
+} while (s != &file[file_len]);
+
+    return result;
+}
+
+static
+unsigned long do_part2(size_t file_len, unsigned char file[file_len]) {
+    unsigned char *s = file;
+    unsigned long result = 0;
+
+#if DBG
+    print("\n");
+#endif
+
+do {
+    s++;
+} while (s != &file[file_len]);
+
+    return result;
+}
+
+#define RUN_TEST1 1
+#define RUN_PART1 0
+#define RUN_TEST2 0
+#define RUN_PART2 0
+
+#define TEST1_EXPECT -1
+#define TEST2_EXPECT -1
+
+void run() {
+#if RUN_TEST1
+    print("PART 1 TEST: ");
+    if (unsigned long v = do_part1(countof(test), test); v != TEST1_EXPECT) {
+        print("FAILED (got ");
+        printd(v);
+        print(", expected " xstr(TEST1_EXPECT) ")\n");
+    } else {
+        print("PASSED\n");
+    }
+#endif
+
+#if RUN_PART1
+    print("PART 1 RESULT: ");
+    printd(do_part1(countof(input), input));
+    print("\n");
+#endif
+
+#if RUN_TEST2
+    print("PART 2 TEST: ");
+    if (unsigned long v = do_part2(countof(test), test); v != TEST2_EXPECT) {
+        print("FAILED (got ");
+        printd(v);
+        print(", expected " xstr(TEST2_EXPECT) ")\n");
+    } else {
+        print("PASSED\n");
+    }
+#endif
+
+#if RUN_PART2
+    print("PART 2 RESULT: ");
+    printd(do_part2(countof(input), input));
+    print("\n");
+#endif
+
+    exit_group(0);
+}