undefined4 FUN_004055e0(FILE *param_1)

{

  bool bVar1;

  undefined4 *puVar2;

  char cVar3;

  size_t sVar4;

  size_t sVar5;

  uint uVar6;

  char *pcVar7;

  undefined4 uVar8;

  int iVar9;

  undefined4 *puVar10;

  int iVar11;

  memset(DAT_00422a40,0,DAT_00422140);

  puVar2 = DAT_00422a40;

  iVar11 = DAT_00422140 - 0x10;

  iVar9 = 0;

  for (puVar10 = DAT_00422a54; puVar10 != (undefined4 *)0x0; puVar10 = (undefined4 *)*puVar10) {

    pcVar7 = (char *)puVar10[1];

    sVar5 = strlen(pcVar7);

    sVar4 = strlen((char *)puVar10[2])   //possible issue identified - semgrep

    if ((uint)(iVar11 - iVar9) < sVar5 + sVar4 + 2) break;

    strcpy((char *)((int)puVar2 + iVar9 + 0x10),pcVar7)   //possible issue identified - semgrep

    sVar5 = strlen((char *)puVar10[1])   //possible issue identified - semgrep

    iVar9 = iVar9 + sVar5   //possible issue identified - semgrep

    *(undefined1 *)((int)puVar2 + iVar9 + 0x10) = 0x3d;

    strcpy((char *)((int)puVar2 + iVar9 + 0x11),(char *)puVar10[2])   //possible issue identified - semgrep

    sVar5 = strlen((char *)puVar10[2])   //possible issue identified - semgrep

    iVar9 = iVar9 + 1 + sVar5   //possible issue identified - semgrep

    *(undefined1 *)((int)puVar2 + iVar9 + 0x10) = 0;

    iVar9 = iVar9 + 1;

  }

  *puVar2 = 0xdedaaded;

  puVar2[1] = 0x10;

  puVar2[2] = iVar9;

  uVar6 = 0;

  cVar3 = '\0';

  while( true ) {

    bVar1 = iVar9 + 0x10U <= uVar6;

    pcVar7 = (char *)((int)puVar2 + uVar6);

    uVar6 = uVar6 + 1;

    if (bVar1) break;

    cVar3 = cVar3 + *pcVar7;

  }

  *(char *)(puVar2 + 3) = cVar3;

  FUN_00405180("write checksum = 0x%x\n");

  iVar9 = fseek(param_1,DAT_00422144,0);

  uVar8 = 0xffffffff;

  if (-1 < iVar9) {

    sVar5 = fwrite(DAT_00422a40,DAT_00422140,1,param_1)   //possible issue identified - semgrep

    uVar8 = 0xfffffffe;

    if (sVar5 == 1) {

      uVar8 = 0;

    }

  }

  return uVar8;

}