Nix 2.26.3
Nix, the purely functional package manager; unstable internal interfaces
 
Loading...
Searching...
No Matches
nix::LengthSource Struct Reference

#include <serialise.hh>

Inheritance diagram for nix::LengthSource:
nix::Source

Public Member Functions

 LengthSource (Source &next)
 
size_t read (char *data, size_t len) override
 
- Public Member Functions inherited from nix::Source
void operator() (char *data, size_t len)
 
void operator() (std::string_view data)
 
virtual bool good ()
 
void drainInto (Sink &sink)
 
std::string drain ()
 

Public Attributes

Sourcenext
 
uint64_t total = 0
 

Detailed Description

A wrapper source that counts the number of bytes read from it.

Member Function Documentation

◆ read()

size_t nix::LengthSource::read ( char * data,
size_t len )
inlineoverridevirtual

Store up to ‘len’ in the buffer pointed to by ‘data’, and return the number of bytes stored. It blocks until at least one byte is available.

Implements nix::Source.


The documentation for this struct was generated from the following file: