lzip/zutils
1
0
Fork 0
Code Issues Activity

Merging upstream version 1.13~rc1.

Browse source 
Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-24 06:03:46 +01:00
parent f40403d840
commit 95e3ee3bd3
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
29 changed files with 472 additions and 517 deletions
Download patch file Download diff file Expand all files Collapse all files

26
ztest.cc
View file

@ -1,4 +1,4 @@
/* Ztest - verify the integrity of compressed files
/* Ztest - check the integrity of compressed files
Copyright (C) 2010-2023 Antonio Diaz Diaz.
This program is free software: you can redistribute it and/or modify
@ -50,28 +50,28 @@ namespace {
void show_help()
{
std::printf( "ztest verifies the integrity of the compressed files specified. It\n"
std::printf( "ztest checks the integrity of the compressed files specified. It\n"
"also warns if an uncompressed file has a compressed file name extension, or\n"
"if a compressed file has a wrong compressed extension. Uncompressed files\n"
"are otherwise ignored. If a file is specified as '-', the integrity of\n"
"compressed data read from standard input is verified. Data read from\n"
"compressed data read from standard input is checked. Data read from\n"
"standard input must be all in the same compressed format. If a file fails to\n"
"decompress, does not exist, can't be opened, or is a terminal, ztest\n"
"continues verifying the rest of the files. A final diagnostic is shown at\n"
"continues testing the rest of the files. A final diagnostic is shown at\n"
"verbosity level 1 or higher if any file fails the test when testing multiple\n"
"files.\n"
"\nIf no files are specified, recursive searches examine the current\n"
"working directory, and nonrecursive searches read standard input.\n"
"\nThe formats supported are bzip2, gzip, lzip, xz, and zstd.\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"
"\nNote that error detection in the xz format is broken. First, some xz files\n"
"lack integrity information. Second, not all xz decompressors can check the\n"
"integrity of all xz files. Third, section 2.1.1.2 'Stream Flags' of the\n"
"xz format specification allows xz decompressors to produce garbage output\n"
"without issuing any warning. Therefore, xz files can't always be checked as\n"
"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 command line options, I/O errors, etc),\n"
"\nExit status is 0 if all compressed files check OK, 1 if environmental\n"
"problems (file not found, invalid command-line options, I/O errors, etc),\n"
"2 if any compressed file is corrupt or invalid, or if any file has an\n"
"incorrect file name extension.\n"
"\nOptions:\n"
@ -303,7 +303,7 @@ int main( const int argc, const char * const argv[] )
case lz_opt: parse_compressor( arg, pn, fmt_lz, 1 ); break;
case xz_opt: parse_compressor( arg, pn, fmt_xz, 1 ); break;
case zst_opt: parse_compressor( arg, pn, fmt_zst, 1 ); break;
default : internal_error( "uncaught option." );
default: internal_error( "uncaught option." );
}
} // end process options