init

2026-07-14 00:26:01 +02:00
commit a2f8c110c4
30 changed files with 3525 additions and 0 deletions
@@ -0,0 +1,30 @@
+//
+// Created by bruno on 13. 7. 2026.
+//
+
+#include "crc32.h"
+
+uint32_t calcCRC32(
+    const uint8_t *data,
+    size_t len) {
+    uint32_t crc = 0xffffffff;
+
+
+    while (len--) {
+        crc ^= *data++;
+
+
+        for (int i = 0; i < 8; i++) {
+            if (crc & 1)
+                crc =
+                        (crc >> 1)
+                        ^ 0xedb88320;
+
+            else
+                crc >>= 1;
+        }
+    }
+
+
+    return ~crc;
+}