lzip/zutils
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Merging upstream version 1.6.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-24 05:54:41 +01:00
parent b821a3696e
commit e9522df0a4
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
30 changed files with 436 additions and 473 deletions
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16
zutils.cc
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@ -1,5 +1,5 @@
/* Zutils - Utilities dealing with compressed files
Copyright (C) 2009-2016 Antonio Diaz Diaz.
Copyright (C) 2009-2017 Antonio Diaz Diaz.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -112,7 +112,9 @@ int writeblock( const int fd, const uint8_t * const buf, const int size )
}
bool feed_data( const int infd, const int outfd,
// Empty filename means stdin.
//
bool feed_data( const std::string & filename, const int infd, const int outfd,
const uint8_t * magic_data, const int magic_size )
{
if( magic_size && writeblock( outfd, magic_data, magic_size ) != magic_size )
@ -123,7 +125,8 @@ bool feed_data( const int infd, const int outfd,
{
const int size = readblock( infd, buffer, buffer_size );
if( size != buffer_size && errno )
{ show_error( "Read error", errno ); return false; }
{ const char * const name = filename.empty() ? "-" : filename.c_str();
show_file_error( name, "Read error", errno ); return false; }
if( size > 0 && writeblock( outfd, buffer, size ) != size )
{ show_error( "Write error", errno ); return false; }
if( size < buffer_size ) break;
@ -156,7 +159,8 @@ bool good_status( const Children & children, const bool finished )
}
bool set_data_feeder( int * const infdp, Children & children, int format_index )
bool set_data_feeder( const std::string & filename, int * const infdp,
Children & children, int format_index )
{
const uint8_t * magic_data = 0;
int magic_size = 0;
@ -177,7 +181,7 @@ bool set_data_feeder( int * const infdp, Children & children, int format_index )
{
if( close( fda[0] ) != 0 ||
close( fda2[0] ) != 0 || close( fda2[1] ) != 0 ||
!feed_data( old_infd, fda[1], magic_data, magic_size ) )
!feed_data( filename, old_infd, fda[1], magic_data, magic_size ) )
_exit( 2 );
if( close( fda[1] ) != 0 )
{ show_close_error(); _exit( 2 ); }
@ -226,7 +230,7 @@ bool set_data_feeder( int * const infdp, Children & children, int format_index )
if( pid == 0 ) // child (feeder)
{
if( close( fda[0] ) != 0 ||
!feed_data( old_infd, fda[1], magic_data, magic_size ) )
!feed_data( filename, old_infd, fda[1], magic_data, magic_size ) )
_exit( 2 );
if( close( fda[1] ) != 0 )
{ show_close_error(); _exit( 2 ); }