V_MakeRelativePath

/* V_MakeRelativePath(char const*, char const*, char*, int) */

undefined4 V_MakeRelativePath(char *param_1,char *param_2,char *param_3,int param_4)

{
  char cVar1;
  bool bVar2;
  int iVar3;
  int iVar4;
  int iVar5;
  char cVar6;
  char *local_2c;
  char *local_28;
  
  *param_3 = '\0';
  cVar6 = *param_1;
  if (cVar6 != '\0') {
    local_2c = (char *)0x0;
    local_28 = (char *)0x0;
    do {
      param_1 = param_1 + 1;
      iVar4 = tolower((int)cVar6);
      cVar1 = *param_2;
      iVar5 = tolower((int)cVar1);
      if (iVar4 == iVar5) {
        if (cVar6 == '/') goto LAB_0004afb9;
      }
      else {
        if ((cVar6 != '/') || ((cVar1 != '\0' && (cVar1 != '/')))) break;
LAB_0004afb9:
        local_2c = param_2 + 1;
        local_28 = param_1;
      }
      if (cVar1 == '\0') {
        local_2c = local_2c + -1;
        break;
      }
      cVar6 = *param_1;
      param_2 = param_2 + 1;
    } while (cVar6 != '\0');
    if (local_28 != (char *)0x0) {
      cVar6 = *local_2c;
      if (cVar6 == '\0') {
        iVar4 = 0;
      }
      else {
        iVar5 = 0;
        do {
          while (bVar2 = false, cVar6 == '/') {
            iVar4 = iVar5 + 2;
            param_3[iVar5] = '.';
            local_2c = local_2c + 1;
            param_3[iVar5 + 1] = '.';
            iVar5 = iVar5 + 3;
            bVar2 = true;
            param_3[iVar4] = '/';
            cVar6 = *local_2c;
            if (cVar6 == '\0') goto LAB_0004b072;
          }
          local_2c = local_2c + 1;
          cVar6 = *local_2c;
        } while (cVar6 != '\0');
LAB_0004b072:
        iVar4 = iVar5;
        if (!bVar2) {
          param_3[iVar5] = '.';
          param_3[iVar5 + 1] = '.';
          iVar4 = iVar5 + 3;
          param_3[iVar5 + 2] = '/';
        }
      }
      cVar6 = *local_28;
      iVar5 = iVar4;
      if (cVar6 != '\0') {
        iVar3 = iVar4 + 1;
        do {
          iVar5 = iVar3;
          if (cVar6 == '/') {
            param_3[iVar5 + -1] = '/';
          }
          else {
            param_3[iVar5 + -1] = cVar6;
          }
          if (iVar5 == param_4 + -1) break;
          cVar6 = local_28[iVar5 + 1 + (-1 - iVar4)];
          iVar3 = iVar5 + 1;
        } while (cVar6 != '\0');
      }
      param_3[iVar5] = '\0';
      return 1;
    }
  }
  return 0;
}