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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14
ztest.cc
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@ -1,5 +1,5 @@
/* Ztest - verify integrity of compressed files
Copyright (C) 2010-2016 Antonio Diaz Diaz.
/* Ztest - verify the integrity of compressed files
Copyright (C) 2010-2017 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
@ -56,8 +56,12 @@ void show_help()
"input is verified. Data read from standard input must be all in the same\n"
"compression format.\n"
"\nThe supported formats are bzip2, gzip, lzip and xz.\n"
"\nNote that some xz files lack integrity information, and therefore can't\n"
"be verified as reliably as the other formats can.\n"
"\nNote that error detection in the xz format is broken. First, some xz\n"
"files lack integrity information. Second, not all xz decompressors can\n"
"verify the integrity of all xz files. Third, section 2.1.1.2 'Stream\n"
"Flags' of the xz format specification allows xz decompressors to produce\n"
"garbage output without issuing any warning. Therefore, xz files can't\n"
"always be verified as reliably as files in the other formats can.\n"
"\nUsage: ztest [options] [files]\n"
"\nExit status is 0 if all compressed files verify OK, 1 if environmental\n"
"problems (file not found, invalid flags, I/O errors, etc), 2 if any\n"
@ -106,7 +110,7 @@ int ztest_stdin( const int infd, int format_index,
if( pid == 0 ) // child1 (compressor feeder)
{
if( close( fda[0] ) != 0 ||
!feed_data( infd, fda[1], magic_data, magic_size ) )
!feed_data( "", infd, fda[1], magic_data, magic_size ) )
_exit( 1 );
if( close( fda[1] ) != 0 )
{ show_close_error(); _exit( 1 ); }