decomp DBCServer_Release and inspect/document database

decomp/DBCServer_Release_x64/full/functions/0x14020d9e0.c

@@ -0,0 +1,71 @@
+/* DBCServer_Release_x64.exe sha256 d9e4fccdf3482e50247686d4452c0b13c75a53efc4bd7320668eece8d1ce828c
+ * Ghidra 12.1.2 decompiler output for 0x14020d9e0 FUN_14020d9e0
+ * Pseudocode, not original source. */
+
+undefined8 FUN_14020d9e0(byte *param_1,uint param_2,undefined1 *param_3,uint *param_4)
+
+{
+  byte bVar1;
+  int iVar2;
+  uint uVar3;
+  byte *pbVar4;
+  uint uVar5;
+  uint uVar6;
+  
+  if (((param_1 == (byte *)0x0) || (param_3 == (undefined1 *)0x0)) || (param_4 == (uint *)0x0)) {
+    return 0x10;
+  }
+  if ((param_2 < 2) || ((*param_1 & 0x1f) != 0x16)) {
+    return 7;
+  }
+  bVar1 = param_1[1];
+  uVar5 = 0;
+  if ((char)bVar1 < '\0') {
+    uVar3 = bVar1 & 0x7f;
+    if ((bVar1 & 0x7f) == 0) {
+      return 7;
+    }
+    if (3 < uVar3) {
+      return 7;
+    }
+    if (param_2 < uVar3 + 1) {
+      return 7;
+    }
+    uVar6 = 0;
+    pbVar4 = param_1 + 2;
+    iVar2 = uVar3 + 2;
+    do {
+      bVar1 = *pbVar4;
+      pbVar4 = pbVar4 + 1;
+      uVar6 = uVar6 << 8 | (uint)bVar1;
+      uVar3 = uVar3 - 1;
+    } while (uVar3 != 0);
+  }
+  else {
+    iVar2 = 2;
+    uVar6 = bVar1 & 0x7f;
+  }
+  if (*param_4 < uVar6) {
+    *param_4 = uVar6;
+    return 6;
+  }
+  if (param_2 < uVar6 + iVar2) {
+    return 7;
+  }
+  if (uVar6 != 0) {
+    param_1 = param_1 + iVar2;
+    do {
+      iVar2 = FUN_14020d900(*param_1);
+      param_1 = param_1 + 1;
+      if (iVar2 == -1) {
+        return 0x10;
+      }
+      uVar5 = uVar5 + 1;
+      *param_3 = (char)iVar2;
+      param_3 = param_3 + 1;
+    } while (uVar5 < uVar6);
+  }
+  *param_4 = uVar5;
+  return 0;
+}
+