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Merging upstream version 1.11.

Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-20 21:28:08 +01:00
parent 37996bac79
commit bb8f341eba
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
27 changed files with 614 additions and 442 deletions

108
main.c
View file

@ -1,5 +1,5 @@
/* Minilzip - Test program for the lzlib library
Copyright (C) 2009-2018 Antonio Diaz Diaz.
Copyright (C) 2009-2019 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
@ -35,20 +35,25 @@
#include <unistd.h>
#include <utime.h>
#include <sys/stat.h>
#if defined(__MSVCRT__)
#if defined(__MSVCRT__) || defined(__OS2__) || defined(__DJGPP__)
#include <io.h>
#if defined(__MSVCRT__)
#define fchmod(x,y) 0
#define fchown(x,y,z) 0
#define strtoull strtoul
#define SIGHUP SIGTERM
#define S_ISSOCK(x) 0
#ifndef S_IRGRP
#define S_IRGRP 0
#define S_IWGRP 0
#define S_IROTH 0
#define S_IWOTH 0
#endif
#if defined(__OS2__)
#include <io.h>
#endif
#if defined(__DJGPP__)
#define S_ISSOCK(x) 0
#define S_ISVTX 0
#endif
#endif
#include "carg_parser.h"
@ -77,9 +82,8 @@ void internal_error( const char * const msg );
int verbosity = 0;
const char * const Program_name = "Minilzip";
const char * const program_name = "minilzip";
const char * const program_year = "2018";
const char * const program_year = "2019";
const char * invocation_name = 0;
const struct { const char * from; const char * to; } known_extensions[] = {
@ -95,6 +99,8 @@ struct Lzma_options
enum Mode { m_compress, m_decompress, m_test };
/* Variables used in signal handler context.
They are not declared volatile because the handler never returns. */
char * output_filename = 0;
int outfd = -1;
bool delete_output_on_interrupt = false;
@ -102,8 +108,9 @@ bool delete_output_on_interrupt = false;
static void show_help( void )
{
printf( "%s - Test program for the lzlib library.\n", Program_name );
printf( "\nUsage: %s [options] [files]\n", invocation_name );
printf( "Minilzip is a test program for the lzlib compression library, fully\n"
"compatible with lzip 1.4 or newer.\n"
"\nUsage: %s [options] [files]\n", invocation_name );
printf( "\nOptions:\n"
" -h, --help display this help and exit\n"
" -V, --version output version information and exit\n"
@ -118,7 +125,7 @@ static void show_help( void )
" -o, --output=<file> if reading standard input, write to <file>\n"
" -q, --quiet suppress all messages\n"
" -s, --dictionary-size=<bytes> set dictionary size limit in bytes [8 MiB]\n"
" -S, --volume-size=<bytes> set volume size limit in bytes, implies -k\n"
" -S, --volume-size=<bytes> set volume size limit in bytes\n"
" -t, --test test compressed file integrity\n"
" -v, --verbose be verbose (a 2nd -v gives more)\n"
" -0 .. -9 set compression level [default 6]\n"
@ -196,7 +203,7 @@ static void Pp_init( struct Pretty_print * const pp,
{
const char * const s = filenames[i];
const unsigned len = (strcmp( s, "-" ) == 0) ? stdin_name_len : strlen( s );
if( len > pp->longest_name ) pp->longest_name = len;
if( pp->longest_name < len ) pp->longest_name = len;
}
if( pp->longest_name == 0 ) pp->longest_name = stdin_name_len;
}
@ -322,6 +329,17 @@ static int get_dict_size( const char * const arg )
}
void set_mode( enum Mode * const program_modep, const enum Mode new_mode )
{
if( *program_modep != m_compress && *program_modep != new_mode )
{
show_error( "Only one operation can be specified.", 0, true );
exit( 1 );
}
*program_modep = new_mode;
}
static int extension_index( const char * const name )
{
int eindex;
@ -457,8 +475,17 @@ static bool check_tty( const char * const input_filename, const int infd,
}
static void set_signals( void (*action)(int) )
{
signal( SIGHUP, action );
signal( SIGINT, action );
signal( SIGTERM, action );
}
void cleanup_and_fail( const int retval )
{
set_signals( SIG_IGN ); /* ignore signals */
if( delete_output_on_interrupt )
{
delete_output_on_interrupt = false;
@ -473,6 +500,14 @@ void cleanup_and_fail( const int retval )
}
void signal_handler( int sig )
{
if( sig ) {} /* keep compiler happy */
show_error( "Control-C or similar caught, quitting.", 0, false );
cleanup_and_fail( 1 );
}
/* Set permissions, owner and times. */
static void close_and_set_permissions( const struct stat * const in_statsp )
{
@ -696,7 +731,8 @@ static int do_decompress( struct LZ_Decoder * const decoder, const int infd,
for( first_member = true; ; )
{
const int max_in_size = min( LZ_decompress_write_size( decoder ), buffer_size );
const int max_in_size =
min( LZ_decompress_write_size( decoder ), buffer_size );
int in_size = 0, out_size = 0;
if( max_in_size > 0 )
{
@ -712,7 +748,8 @@ static int do_decompress( struct LZ_Decoder * const decoder, const int infd,
}
while( true )
{
const int rd = LZ_decompress_read( decoder, buffer, buffer_size );
const int rd =
LZ_decompress_read( decoder, (outfd >= 0) ? buffer : 0, buffer_size );
if( rd > 0 )
{
out_size += rd;
@ -839,31 +876,13 @@ static int decompress( const int infd, struct Pretty_print * const pp,
}
void signal_handler( int sig )
{
if( sig ) {} /* keep compiler happy */
show_error( "Control-C or similar caught, quitting.", 0, false );
cleanup_and_fail( 1 );
}
static void set_signals( void )
{
signal( SIGHUP, signal_handler );
signal( SIGINT, signal_handler );
signal( SIGTERM, signal_handler );
}
void show_error( const char * const msg, const int errcode, const bool help )
{
if( verbosity < 0 ) return;
if( msg && msg[0] )
{
fprintf( stderr, "%s: %s", program_name, msg );
if( errcode > 0 ) fprintf( stderr, ": %s", strerror( errcode ) );
fputc( '\n', stderr );
}
fprintf( stderr, "%s: %s%s%s\n", program_name, msg,
( errcode > 0 ) ? ": " : "",
( errcode > 0 ) ? strerror( errcode ) : "" );
if( help )
fprintf( stderr, "Try '%s --help' for more information.\n",
invocation_name );
@ -873,10 +892,10 @@ void show_error( const char * const msg, const int errcode, const bool help )
void show_file_error( const char * const filename, const char * const msg,
const int errcode )
{
if( verbosity < 0 ) return;
fprintf( stderr, "%s: %s: %s", program_name, filename, msg );
if( errcode > 0 ) fprintf( stderr, ": %s", strerror( errcode ) );
fputc( '\n', stderr );
if( verbosity >= 0 )
fprintf( stderr, "%s: %s: %s%s%s\n", program_name, filename, msg,
( errcode > 0 ) ? ": " : "",
( errcode > 0 ) ? strerror( errcode ) : "" );
}
@ -987,7 +1006,7 @@ int main( const int argc, const char * const argv[] )
case 'a': ignore_trailing = false; break;
case 'b': member_size = getnum( arg, 100000, max_member_size ); break;
case 'c': to_stdout = true; break;
case 'd': program_mode = m_decompress; break;
case 'd': set_mode( &program_mode, m_decompress ); break;
case 'f': force = true; break;
case 'F': recompress = true; break;
case 'h': show_help(); return 0;
@ -1001,7 +1020,7 @@ int main( const int argc, const char * const argv[] )
case 's': encoder_options.dictionary_size = get_dict_size( arg );
break;
case 'S': volume_size = getnum( arg, 100000, max_volume_size ); break;
case 't': program_mode = m_test; break;
case 't': set_mode( &program_mode, m_test ); break;
case 'v': if( verbosity < 4 ) ++verbosity; break;
case 'V': show_version(); return 0;
case opt_lt: loose_trailing = true; break;
@ -1009,7 +1028,7 @@ int main( const int argc, const char * const argv[] )
}
} /* end process options */
#if defined(__MSVCRT__) || defined(__OS2__)
#if defined(__MSVCRT__) || defined(__OS2__) || defined(__DJGPP__)
setmode( STDIN_FILENO, O_BINARY );
setmode( STDOUT_FILENO, O_BINARY );
#endif
@ -1029,7 +1048,7 @@ int main( const int argc, const char * const argv[] )
if( !to_stdout && program_mode != m_test &&
( filenames_given || default_output_filename[0] ) )
set_signals();
set_signals( signal_handler );
Pp_init( &pp, filenames, num_filenames );
@ -1109,6 +1128,12 @@ int main( const int argc, const char * const argv[] )
else
tmp = decompress( infd, &pp, ignore_trailing,
loose_trailing, program_mode == m_test );
if( close( infd ) != 0 )
{
show_error( input_filename[0] ? "Error closing input file" :
"Error closing stdin", errno, false );
if( tmp < 1 ) tmp = 1;
}
if( tmp > retval ) retval = tmp;
if( tmp )
{ if( program_mode != m_test ) cleanup_and_fail( retval );
@ -1118,7 +1143,6 @@ int main( const int argc, const char * const argv[] )
close_and_set_permissions( in_statsp );
if( input_filename[0] )
{
close( infd );
if( !keep_input_files && !to_stdout && program_mode != m_test &&
( program_mode != m_compress || volume_size == 0 ) )
remove( input_filename );