Program: 85709
Project: 85709
Buggy source:
/** 
 * Reads meta-data from the database file.
 * @throws java.io.IOException if an error occurs reading from the database file.
 */
private void init() throws IOException {
  int i, j;
  byte[] delim=new byte[3];
  byte[] buf=new byte[SEGMENT_RECORD_LENGTH];
  if (file == null) {
    for (i=0; i < 233; i++) {
      hashmapcountryCodetoindex.put(countryCode[i],new Integer(i));
      hashmapcountryNametoindex.put(countryName[i],new Integer(i));
    }
    return;
  }
  file.seek(file.length() - 3);
  for (i=0; i < STRUCTURE_INFO_MAX_SIZE; i++) {
    file.read(delim);
    if (delim[0] == -1 && delim[1] == -1 && delim[2] == -1) {
      databaseType=file.readByte();
      if (databaseType >= 106) {
        databaseType-=105;
      }
      if (databaseType == DatabaseInfo.REGION_EDITION_REV0) {
        databaseSegments=new int[1];
        databaseSegments[0]=STATE_BEGIN_REV0;
        recordLength=STANDARD_RECORD_LENGTH;
      }
 else       if (databaseType == DatabaseInfo.REGION_EDITION_REV1) {
        databaseSegments=new int[1];
        databaseSegments[0]=STATE_BEGIN_REV1;
        recordLength=STANDARD_RECORD_LENGTH;
      }
 else       if (databaseType == DatabaseInfo.CITY_EDITION_REV0 || databaseType == DatabaseInfo.CITY_EDITION_REV1 || databaseType == DatabaseInfo.ORG_EDITION || databaseType == DatabaseInfo.ISP_EDITION || databaseType == DatabaseInfo.ASNUM_EDITION) {
        databaseSegments=new int[1];
        databaseSegments[0]=0;
        if (databaseType == DatabaseInfo.CITY_EDITION_REV0 || databaseType == DatabaseInfo.CITY_EDITION_REV1) {
          recordLength=STANDARD_RECORD_LENGTH;
        }
 else {
          recordLength=ORG_RECORD_LENGTH;
        }
        file.read(buf);
        for (j=0; j < SEGMENT_RECORD_LENGTH; j++) {
          databaseSegments[0]+=(unsignedByteToInt(buf[j]) << (j * 8));
        }
      }
      break;
    }
 else {
      file.seek(file.getFilePointer() - 4);
    }
  }
  if ((databaseType == DatabaseInfo.COUNTRY_EDITION) | (databaseType == DatabaseInfo.PROXY_EDITION) | (databaseType == DatabaseInfo.NETSPEED_EDITION)) {
    databaseSegments=new int[1];
    databaseSegments[0]=COUNTRY_BEGIN;
    recordLength=STANDARD_RECORD_LENGTH;
  }
  if ((dboptions & GEOIP_MEMORY_CACHE) == 1) {
    int l=(int)file.length();
    dbbuffer=new byte[l];
    file.seek(0);
    file.read(dbbuffer,0,l);
    databaseInfo=this.getDatabaseInfo();
    file.close();
  }
  if ((dboptions & GEOIP_INDEX_CACHE) != 0) {
    int l=databaseSegments[0] * recordLength * 2;
    System.out.println("String_Node_Str" + l);
    index_cache=new byte[l];
    if (index_cache != null) {
      file.seek(0);
      file.read(index_cache,0,l);
    }
  }
 else {
    index_cache=null;
  }
}

Fixed version (ground truth):
/** 
 * Reads meta-data from the database file.
 * @throws java.io.IOException if an error occurs reading from the database file.
 */
private void init() throws IOException {
  int i, j;
  byte[] delim=new byte[3];
  byte[] buf=new byte[SEGMENT_RECORD_LENGTH];
  if (file == null) {
    for (i=0; i < 233; i++) {
      hashmapcountryCodetoindex.put(countryCode[i],new Integer(i));
      hashmapcountryNametoindex.put(countryName[i],new Integer(i));
    }
    return;
  }
  if ((dboptions & GEOIP_CHECK_CACHE) != 0) {
    mtime=databaseFile.lastModified();
  }
  file.seek(file.length() - 3);
  for (i=0; i < STRUCTURE_INFO_MAX_SIZE; i++) {
    file.read(delim);
    if (delim[0] == -1 && delim[1] == -1 && delim[2] == -1) {
      databaseType=file.readByte();
      if (databaseType >= 106) {
        databaseType-=105;
      }
      if (databaseType == DatabaseInfo.REGION_EDITION_REV0) {
        databaseSegments=new int[1];
        databaseSegments[0]=STATE_BEGIN_REV0;
        recordLength=STANDARD_RECORD_LENGTH;
      }
 else       if (databaseType == DatabaseInfo.REGION_EDITION_REV1) {
        databaseSegments=new int[1];
        databaseSegments[0]=STATE_BEGIN_REV1;
        recordLength=STANDARD_RECORD_LENGTH;
      }
 else       if (databaseType == DatabaseInfo.CITY_EDITION_REV0 || databaseType == DatabaseInfo.CITY_EDITION_REV1 || databaseType == DatabaseInfo.ORG_EDITION || databaseType == DatabaseInfo.ISP_EDITION || databaseType == DatabaseInfo.ASNUM_EDITION) {
        databaseSegments=new int[1];
        databaseSegments[0]=0;
        if (databaseType == DatabaseInfo.CITY_EDITION_REV0 || databaseType == DatabaseInfo.CITY_EDITION_REV1) {
          recordLength=STANDARD_RECORD_LENGTH;
        }
 else {
          recordLength=ORG_RECORD_LENGTH;
        }
        file.read(buf);
        for (j=0; j < SEGMENT_RECORD_LENGTH; j++) {
          databaseSegments[0]+=(unsignedByteToInt(buf[j]) << (j * 8));
        }
      }
      break;
    }
 else {
      file.seek(file.getFilePointer() - 4);
    }
  }
  if ((databaseType == DatabaseInfo.COUNTRY_EDITION) | (databaseType == DatabaseInfo.PROXY_EDITION) | (databaseType == DatabaseInfo.NETSPEED_EDITION)) {
    databaseSegments=new int[1];
    databaseSegments[0]=COUNTRY_BEGIN;
    recordLength=STANDARD_RECORD_LENGTH;
  }
  if ((dboptions & GEOIP_MEMORY_CACHE) == 1) {
    int l=(int)file.length();
    dbbuffer=new byte[l];
    file.seek(0);
    file.read(dbbuffer,0,l);
    databaseInfo=this.getDatabaseInfo();
    file.close();
  }
  if ((dboptions & GEOIP_INDEX_CACHE) != 0) {
    int l=databaseSegments[0] * recordLength * 2;
    index_cache=new byte[l];
    if (index_cache != null) {
      file.seek(0);
      file.read(index_cache,0,l);
    }
  }
 else {
    index_cache=null;
  }
}