undefined4 FUN_00405430(FILE *param_1)

{

  bool bVar1;

  char cVar2;

  int iVar3;

  size_t sVar4;

  uint uVar5;

  undefined4 uVar6;

  char *pcVar7;

  char *__s;

  int *piVar8;

  int *piVar9;

  iVar3 = fseek(param_1,DAT_00422144,0);

  uVar6 = 0xffffffff;

  if (-1 < iVar3) {

    sVar4 = fread(DAT_00422a40,DAT_00422140,1,param_1)   //possible issue identified - semgrep

    piVar8 = DAT_00422a40;

    uVar6 = 0xfffffffe;

    if (sVar4 == 1) {

      uVar6 = 0xfffffffd;

      if ((*DAT_00422a40 == -0x21255213) &&

         (uVar6 = 0xfffffffc, (uint)DAT_00422a40[2] <= DAT_00422140 - 0x10)) {

        iVar3 = DAT_00422a40[3];

        *(undefined1 *)(DAT_00422a40 + 3) = 0;

        uVar5 = 0;

        cVar2 = '\0';

        while( true ) {

          bVar1 = piVar8[2] + 0x10U <= uVar5;

          pcVar7 = (char *)((int)piVar8 + uVar5);

          uVar5 = uVar5 + 1;

          if (bVar1) break;

          cVar2 = cVar2 + *pcVar7;

        }

        *(char *)(piVar8 + 3) = cVar2;

        FUN_00405180("read checksum = 0x%02x\n",(char)iVar3);

        uVar6 = 0xfffffffb;

        if ((char)piVar8[3] == (char)iVar3) {

          piVar9 = (int *)((int)DAT_00422a40 + piVar8[2] + 0x10);

          piVar8 = DAT_00422a40 + 4;

          while (piVar8 < piVar9) {

            pcVar7 = strchr((char *)piVar8,0x3d);

            __s = pcVar7 + 1;

            if (pcVar7 == (char *)0x0) break;

            *pcVar7 = '\0';

            FUN_004052ec(piVar8,__s);

            sVar4 = strlen(__s);

            piVar8 = (int *)(__s + sVar4 + 1);

          }

          uVar6 = 0;

        }

      }

    }

  }

  return uVar6;

}