---
name: "Vector_BLF_CompressedFile"
section: "3"
platform: "linux"
package: "vector-blf"
version: "2.4.2-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/Vector_BLF_CompressedFile"
---

# Vector\_BLF\_CompressedFile(3)

## NAME

Vector::BLF::CompressedFile

## SYNOPSIS

\#include \<CompressedFile.h\>

Inherits **Vector::BLF::AbstractFile**.

### Public Member Functions

**CompressedFile** (const CompressedFile &)=delete\
 CompressedFile & **operator=** (const CompressedFile &)=delete\
 **CompressedFile** (CompressedFile &&)=delete\
 CompressedFile & **operator=** (CompressedFile &&)=delete\
 std::streamsize **gcount** () const override\
 void **read** (char \*s, std::streamsize n) override\
 std::streampos **tellg** () override\
 void **seekg** (std::streamoff off, const std::ios\_base::seekdir way=std::ios\_base::cur) override\
 void **write** (const char \*s, std::streamsize n) override\
 std::streampos **tellp** () override\
 bool **good** () const override\
 bool **eof** () const override\
 virtual void **open** (const char \*filename, std::ios\_base::openmode openMode)\
 virtual bool **is\_open** () const\
 virtual void **close** ()\
 virtual void **seekp** (std::streampos pos)\

Public Member Functions inherited from **Vector::BLF::AbstractFile** **AbstractFile** (const AbstractFile &)=default\
 AbstractFile & **operator=** (const AbstractFile &)=default\
 **AbstractFile** (AbstractFile &&)=default\
 AbstractFile & **operator=** (AbstractFile &&)=default\
 virtual void **skipp** (std::streamsize s) final\

## Detailed Description

**CompressedFile** (Input/output file stream)

This class is thread-safe.

## Member Function Documentation

### void Vector::BLF::CompressedFile::close () \[virtual\]

Close file.

### bool Vector::BLF::CompressedFile::eof () const \[override\], \[virtual\]

Check whether eofbit is set.

**Returns**

true if eofbit is set

Implements **Vector::BLF::AbstractFile**.

### std::streamsize Vector::BLF::CompressedFile::gcount () const \[override\], \[virtual\]

Get characters returned by last read operation.

**Returns**

Number of characters

Implements **Vector::BLF::AbstractFile**.

### bool Vector::BLF::CompressedFile::good () const \[override\], \[virtual\]

Check whether state of stream is good.

**Returns**

true if no error flags are set

Implements **Vector::BLF::AbstractFile**.

### bool Vector::BLF::CompressedFile::is\_open () const \[virtual\]

is file open?

**Returns**

true if file is open

### void Vector::BLF::CompressedFile::open (const char \* filename, std::ios\_base::openmode openMode) \[virtual\]

open file

**Parameters**

*filename* file name \
 *openMode* open in read or write mode

### void Vector::BLF::CompressedFile::read (char \* s, std::streamsize n) \[override\], \[virtual\]

Read block of data.

This operation blocks until the data is available.

**Parameters**

*s* Pointer to data \
 *n* Requested size of data

Implements **Vector::BLF::AbstractFile**.

### void Vector::BLF::CompressedFile::seekg (std::streamoff off, const std::ios\_base::seekdir way = std::ios\_base::cur) \[override\], \[virtual\]

Set position in input sequence.

**Parameters**

*off* Offset \
 *way* Direction

Implements **Vector::BLF::AbstractFile**.

### void Vector::BLF::CompressedFile::seekp (std::streampos pos) \[virtual\]

Set position in output sequence.

**Parameters**

*pos* Position

### std::streampos Vector::BLF::CompressedFile::tellg () \[override\], \[virtual\]

Get position in input sequence.

**Returns**

Read position

Implements **Vector::BLF::AbstractFile**.

### std::streampos Vector::BLF::CompressedFile::tellp () \[override\], \[virtual\]

Get position in output sequence.

**Returns**

Write position

Implements **Vector::BLF::AbstractFile**.

### void Vector::BLF::CompressedFile::write (const char \* s, std::streamsize n) \[override\], \[virtual\]

Write block of data.

**Parameters**

*s* Pointer to data \
 *n* Size of data

Implements **Vector::BLF::AbstractFile**.

## Author

Generated automatically by Doxygen for Vector BLF from the source code.