/* DBCServer_Release_x64.exe sha256 d9e4fccdf3482e50247686d4452c0b13c75a53efc4bd7320668eece8d1ce828c
 * Ghidra 12.1.2 decompiler output for 0x14015adb0 FUN_14015adb0
 * Pseudocode, not original source. */

undefined8 *
FUN_14015adb0(undefined8 *param_1,undefined8 *param_2,ulonglong param_3,ulonglong param_4)

{
  longlong lVar1;
  code *pcVar2;
  char cVar3;
  undefined8 *puVar4;
  ulonglong uVar5;
  
  if ((ulonglong)param_2[2] < param_3) {
    std::_Xout_of_range("invalid string position");
    pcVar2 = (code *)swi(3);
    puVar4 = (undefined8 *)(*pcVar2)();
    return puVar4;
  }
  uVar5 = param_2[2] - param_3;
  if (uVar5 < param_4) {
    param_4 = uVar5;
  }
  if (param_4 < -param_1[2] - 1) {
    if (param_4 != 0) {
      lVar1 = param_1[2] + param_4;
      cVar3 = FUN_140055fc0(param_1,lVar1);
      if (cVar3 != '\0') {
        if (7 < (ulonglong)param_2[3]) {
          param_2 = (undefined8 *)*param_2;
        }
        puVar4 = param_1;
        if (7 < (ulonglong)param_1[3]) {
          puVar4 = (undefined8 *)*param_1;
        }
        memcpy((void *)((longlong)puVar4 + param_1[2] * 2),(void *)((longlong)param_2 + param_3 * 2)
               ,param_4 * 2);
        param_1[2] = lVar1;
        puVar4 = param_1;
        if (7 < (ulonglong)param_1[3]) {
          puVar4 = (undefined8 *)*param_1;
        }
        *(undefined2 *)((longlong)puVar4 + lVar1 * 2) = 0;
      }
    }
    return param_1;
  }
  std::_Xlength_error("string too long");
  pcVar2 = (code *)swi(3);
  puVar4 = (undefined8 *)(*pcVar2)();
  return puVar4;
}