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Merging upstream version 1.4~pre2.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-24 05:51:15 +01:00
parent 454cd28d9e
commit 06e5e699b7
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
30 changed files with 802 additions and 552 deletions
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47
zcmp.cc
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@ -1,5 +1,5 @@
/* Zcmp - decompress and compare two files byte by byte
Copyright (C) 2010-2014 Antonio Diaz Diaz.
Copyright (C) 2010-2015 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
@ -68,21 +68,22 @@ void show_help()
" standard input.\n"
"\nExit status is 0 if inputs are identical, 1 if different, 2 if trouble.\n"
"\nOptions:\n"
" -h, --help display this help and exit\n"
" -V, --version output version information and exit\n"
" -b, --print-bytes print differing bytes\n"
" --format=[<fmt1>][,<fmt2>] force given formats (bz2, gz, lz, xz)\n"
" -i, --ignore-initial=<n>[,<n2>] ignore differences in the first <n> bytes\n"
" -l, --list list position, value of all differing bytes\n"
" -n, --bytes=<n> compare at most <n> bytes\n"
" -N, --no-rcfile don't read runtime configuration file\n"
" -q, --quiet suppress all messages\n"
" -s, --silent (same as --quiet)\n"
" -v, --verbose verbose mode (same as --list)\n"
" --bz2=<command> set compressor and options for bzip2 format\n"
" --gz=<command> set compressor and options for gzip format\n"
" --lz=<command> set compressor and options for lzip format\n"
" --xz=<command> set compressor and options for xz format\n"
" -h, --help display this help and exit\n"
" -V, --version output version information and exit\n"
" -b, --print-bytes print differing bytes\n"
" -i, --ignore-initial=<n>[,<n2>] ignore differences in the first <n> bytes\n"
" -l, --list list position, value of all differing bytes\n"
" -M, --format=<list> exclude formats not in <list>\n"
" -n, --bytes=<n> compare at most <n> bytes\n"
" -N, --no-rcfile don't read runtime configuration file\n"
" -O, --force-format=[<f1>][,<f2>] force given formats (bz2, gz, lz, xz)\n"
" -q, --quiet suppress all messages\n"
" -s, --silent (same as --quiet)\n"
" -v, --verbose verbose mode (same as --list)\n"
" --bz2=<command> set compressor and options for bzip2 format\n"
" --gz=<command> set compressor and options for gzip format\n"
" --lz=<command> set compressor and options for lzip format\n"
" --xz=<command> set compressor and options for xz format\n"
"Numbers may be followed by a multiplier: k = kB = 10^3 = 1000,\n"
"Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc...\n" );
show_help_addr();
@ -311,7 +312,7 @@ int cmp( const long long max_size, const int infd[2],
int main( const int argc, const char * const argv[] )
{
enum { format_opt = 256, bz2_opt, gz_opt, lz_opt, xz_opt };
enum { bz2_opt = 256, gz_opt, lz_opt, xz_opt };
// number of initial bytes ignored for each file
long long ignore_initial[2] = { 0, 0 };
long long max_size = -1; // < 0 means unlimited size
@ -326,13 +327,14 @@ int main( const int argc, const char * const argv[] )
{ 'h', "help", Arg_parser::no },
{ 'i', "ignore-initial", Arg_parser::yes },
{ 'l', "list", Arg_parser::no },
{ 'M', "format", Arg_parser::yes },
{ 'n', "bytes", Arg_parser::yes },
{ 'N', "no-rcfile", Arg_parser::no },
{ 'O', "force-format", Arg_parser::yes },
{ 'q', "quiet", Arg_parser::no },
{ 's', "silent", Arg_parser::no },
{ 'v', "verbose", Arg_parser::no },
{ 'V', "version", Arg_parser::no },
{ format_opt, "format", Arg_parser::yes },
{ bz2_opt, "bz2", Arg_parser::yes },
{ gz_opt, "gz", Arg_parser::yes },
{ lz_opt, "lz", Arg_parser::yes },
@ -350,20 +352,21 @@ int main( const int argc, const char * const argv[] )
{
const int code = parser.code( argind );
if( !code ) break; // no more options
const char * const arg = parser.argument( argind ).c_str();
const std::string & arg = parser.argument( argind );
switch( code )
{
case 'b': print_bytes = true; break;
case 'h': show_help(); return 0;
case 'i': parse_ignore_initial( arg, ignore_initial ); break;
case 'i': parse_ignore_initial( arg.c_str(), ignore_initial ); break;
case 'l': verbosity = 1; break;
case 'n': max_size = getnum( arg ); break;
case 'M': parse_format_list( arg ); break;
case 'n': max_size = getnum( arg.c_str() ); break;
case 'N': break;
case 'O': parse_format_types2( arg, format_types ); break;
case 'q':
case 's': verbosity = -1; break;
case 'v': verbosity = 1; break;
case 'V': show_version(); return 0;
case format_opt: parse_format_types( arg, format_types ); break;
case bz2_opt: parse_compressor( arg, fmt_bz2 ); break;
case gz_opt: parse_compressor( arg, fmt_gz ); break;
case lz_opt: parse_compressor( arg, fmt_lz ); break;