int cfswitch_buffer(void)

{

  bool bVar1;

  char *__filename;

  FILE *pFVar2;

  undefined4 uVar3;

  int iVar4;

  int *piVar5;

  char *pcVar6;

  int iVar7;

  __filename = (char *)qstrdup();

  iVar7 = DAT_004411b4;

  iVar4 = DAT_004411ac;

  if (DAT_004411ac < 10) {

    bVar1 = DAT_004411b4 != 0;

    *(char **)(&DAT_004411e0 + DAT_004411ac * 0xc) = configfilename;

    uVar3 = lineno;

    if (bVar1) {

      iVar7 = *(int *)(iVar7 + DAT_004411b8 * 4);

    }

    *(int *)(&DAT_004411e4 + iVar4 * 0xc) = iVar7;

    *(undefined4 *)(&DAT_004411e8 + iVar4 * 0xc) = uVar3;

    pFVar2 = fopen(__filename,"r")   //possible issue identified - semgrep

    if (pFVar2 == (FILE *)0x0) {

      piVar5 = __errno_location();

      pcVar6 = strerror(*piVar5);

      dprintf(3,"cfswitch_buffer","cfparse: fopen(%s): %s",__filename,pcVar6);

      return (*piVar5 == 2) - 1;

    }

    DAT_004411ac = DAT_004411ac + 1;

    lineno = 1;

    configfilename = __filename;

    uVar3 = FUN_00423404(pFVar2,0x4000);

    FUN_00422fb8(uVar3);

    DAT_004411bc = 3;

    iVar4 = 0;

  }

  else {

    dprintf(3,"cfswitch_buffer","cfparse: includes nested too deeply");

    iVar4 = -1;

  }

  return iVar4;

}