CFrameSnapshotManager::BuildSnapshotList

/* CFrameSnapshotManager::BuildSnapshotList(CFrameSnapshot*, CFrameSnapshot*,
   CReferencedSnapshotList&) */

uint __thiscall
CFrameSnapshotManager::BuildSnapshotList
          (CFrameSnapshotManager *this,CFrameSnapshot *param_1,CFrameSnapshot *param_2,
          CReferencedSnapshotList *param_3)

{
  uint uVar1;
  int iVar2;
  int iVar3;
  CFrameSnapshotManager *pCVar4;
  uint uVar5;
  CFrameSnapshot *pCVar6;
  int iVar7;
  size_t __size;
  void *pvVar8;
  int iVar9;
  int local_20;
  
  pCVar4 = this + 4;
  uVar5 = ThreadGetCurrentId();
  if (uVar5 != *(uint *)(this + 4)) {
    LOCK();
    uVar1 = *(uint *)pCVar4;
    if (uVar1 == 0) {
      *(uint *)pCVar4 = uVar5;
    }
    UNLOCK();
    if (uVar1 != 0) {
      CThreadFastMutex::Lock((uint)pCVar4,uVar5);
      goto LAB_001f1976;
    }
  }
  *(int *)(this + 8) = *(int *)(this + 8) + 1;
LAB_001f1976:
  pCVar6 = param_1;
  if (param_2 != (CFrameSnapshot *)0x0) {
    pCVar6 = (CFrameSnapshot *)NextSnapshot(this,param_2);
  }
  local_20 = 0;
  for (; pCVar6 != (CFrameSnapshot *)0x0; pCVar6 = (CFrameSnapshot *)NextSnapshot(this,pCVar6)) {
    LOCK();
    *(int *)(pCVar6 + 0x38) = *(int *)(pCVar6 + 0x38) + 1;
    UNLOCK();
    iVar2 = *(int *)(param_3 + 0xc);
    iVar3 = *(int *)(param_3 + 4);
    iVar9 = iVar2 + 1;
    if (iVar3 < iVar9) {
      iVar7 = *(int *)(param_3 + 8);
      if (iVar7 < 0) goto LAB_001f19b2;
      if (iVar7 == 0) {
        if (iVar3 == 0) {
          if (iVar9 < 9) {
            iVar7 = 8;
            goto LAB_001f1a5f;
          }
          iVar3 = 8;
        }
        do {
          iVar7 = iVar3;
          iVar3 = iVar7 * 2;
        } while (iVar3 < iVar9);
        pvVar8 = *(void **)param_3;
        *(int *)(param_3 + 4) = iVar3;
        __size = iVar7 << 3;
        if (pvVar8 == (void *)0x0) goto LAB_001f1af9;
LAB_001f1a72:
        pvVar8 = realloc(pvVar8,__size);
        *(void **)param_3 = pvVar8;
        iVar9 = *(int *)(param_3 + 0xc) + 1;
      }
      else {
        for (iVar7 = (iVar2 / iVar7 + 1) * iVar7; iVar7 < iVar9; iVar7 = (iVar7 + iVar9) / 2) {
        }
LAB_001f1a5f:
        pvVar8 = *(void **)param_3;
        *(int *)(param_3 + 4) = iVar7;
        __size = iVar7 << 2;
        if (pvVar8 != (void *)0x0) goto LAB_001f1a72;
LAB_001f1af9:
        pvVar8 = malloc(__size);
        *(void **)param_3 = pvVar8;
      }
    }
    else {
LAB_001f19b2:
      pvVar8 = *(void **)param_3;
    }
    *(int *)(param_3 + 0xc) = iVar9;
    iVar9 = (iVar9 - iVar2) + -1;
    *(void **)(param_3 + 0x10) = pvVar8;
    iVar2 = iVar2 * 4;
    if (0 < iVar9) {
                    /* try { // try from 001f1aa5 to 001f1ac3 has its CatchHandler @ 001f1b38 */
      _V_memmove((void *)((int)pvVar8 + iVar2 + 4),(void *)((int)pvVar8 + iVar2),iVar9 * 4);
      pvVar8 = *(void **)param_3;
    }
    if ((undefined4 *)(iVar2 + (int)pvVar8) != (undefined4 *)0x0) {
      *(undefined4 *)(iVar2 + (int)pvVar8) = pCVar6;
    }
    local_20 = local_20 + 1;
    if (100000 < local_20) {
      Error("CFrameSnapshotManager::BuildSnapshotList:  infinite loop building list!!!");
    }
    if (param_1 == pCVar6) break;
  }
  *(int *)(this + 8) = *(int *)(this + 8) + -1;
  uVar5 = *(uint *)(this + 8);
  if (uVar5 == 0) {
    LOCK();
    uVar5 = *(uint *)pCVar4;
    *(uint *)pCVar4 = 0;
    UNLOCK();
  }
  return uVar5;
}