/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
 * Ghidra 12.1.2 decompiler output for 0x140001920 FUN_140001920
 * Pseudocode, not original source. */

undefined8 * FUN_140001920(undefined8 *param_1,ulonglong param_2,ulonglong param_3)

{
  longlong lVar1;
  code *pcVar2;
  undefined8 *puVar3;
  undefined8 *puVar4;
  ulonglong uVar5;
  
  if ((ulonglong)param_1[2] < param_2) {
    std::_Xout_of_range("invalid string position");
    pcVar2 = (code *)swi(3);
    puVar3 = (undefined8 *)(*pcVar2)();
    return puVar3;
  }
  uVar5 = param_1[2] - param_2;
  if (uVar5 < param_3) {
    param_3 = uVar5;
  }
  if (param_3 != 0) {
    puVar4 = param_1;
    puVar3 = param_1;
    if (7 < (ulonglong)param_1[3]) {
      puVar4 = (undefined8 *)*param_1;
      puVar3 = (undefined8 *)*param_1;
    }
    memmove((void *)((longlong)puVar4 + param_2 * 2),
            (void *)((longlong)puVar3 + (param_2 + param_3) * 2),(uVar5 - param_3) * 2);
    lVar1 = param_1[2];
    param_1[2] = lVar1 - param_3;
    puVar3 = param_1;
    if (7 < (ulonglong)param_1[3]) {
      puVar3 = (undefined8 *)*param_1;
    }
    *(undefined2 *)((longlong)puVar3 + (lVar1 - param_3) * 2) = 0;
  }
  return param_1;
}