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Merging upstream version 1.4~rc2.

Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-20 20:13:15 +01:00
parent 1398f9aede
commit a473fb6037
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
26 changed files with 2619 additions and 2422 deletions

419
main.c
View file

@ -1,5 +1,5 @@
/* Minilzip - A test program for the lzlib library
Copyright (C) 2009, 2010, 2011, 2012 Antonio Diaz Diaz.
Copyright (C) 2009, 2010, 2011, 2012, 2013 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
@ -35,6 +35,21 @@
#include <unistd.h>
#include <utime.h>
#include <sys/stat.h>
#if defined(__MSVCRT__)
#include <io.h>
#define fchmod(x,y) 0
#define fchown(x,y,z) 0
#define strtoull strtoul
#define SIGHUP SIGTERM
#define S_ISSOCK(x) 0
#define S_IRGRP 0
#define S_IWGRP 0
#define S_IROTH 0
#define S_IWOTH 0
#endif
#if defined(__OS2__)
#include <io.h>
#endif
#include "carg_parser.h"
#include "lzlib.h"
@ -43,26 +58,21 @@
#error "Environments where CHAR_BIT != 8 are not supported."
#endif
#ifndef LLONG_MAX
#define LLONG_MAX 0x7FFFFFFFFFFFFFFFLL
#ifndef max
#define max(x,y) ((x) >= (y) ? (x) : (y))
#endif
#ifndef LLONG_MIN
#define LLONG_MIN (-LLONG_MAX - 1LL)
#endif
#ifndef ULLONG_MAX
#define ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL
#endif
#ifndef min
#define min(x,y) ((x) <= (y) ? (x) : (y))
#endif
long long int llabs( long long int number );
void cleanup_and_fail( const int retval );
void show_error( const char * const msg, const int errcode, const bool help );
void internal_error( const char * const msg );
const char * const Program_name = "Minilzip";
const char * const program_name = "minilzip";
const char * const program_year = "2012";
const char * const program_year = "2013";
const char * invocation_name = 0;
#ifdef O_BINARY
@ -83,6 +93,8 @@ struct Lzma_options
};
enum Mode { m_compress, m_decompress, m_test };
const unsigned long long max_member_size = 0x1000000000000000ULL;
const unsigned long long max_volume_size = 0x7FFFFFFFFFFFFFFFULL;
char * output_filename = 0;
int outfd = -1;
@ -101,31 +113,10 @@ struct Pretty_print
bool first_post;
};
static void Pp_init( struct Pretty_print * const pp,
const char * const filenames[], const int num_filenames )
{
unsigned int stdin_name_len;
int i;
pp->name = 0;
pp->stdin_name = "(stdin)";
pp->longest_name = 0;
pp->first_post = false;
stdin_name_len = strlen( pp->stdin_name );
for( i = 0; i < num_filenames; ++i )
{
const char * const s = filenames[i];
const int len = ( !strcmp( s, "-" ) ? stdin_name_len : strlen( s ) );
if( len > pp->longest_name ) pp->longest_name = len;
}
if( pp->longest_name == 0 ) pp->longest_name = stdin_name_len;
}
static inline void Pp_set_name( struct Pretty_print * const pp,
const char * const filename )
{
if( filename && filename[0] && strcmp( filename, "-" ) )
if( filename && filename[0] && strcmp( filename, "-" ) != 0 )
pp->name = filename;
else pp->name = pp->stdin_name;
pp->first_post = true;
@ -201,56 +192,32 @@ static void show_version( void )
}
void show_error( const char * const msg, const int errcode, const bool help )
{
if( verbosity >= 0 )
{
if( msg && msg[0] )
{
fprintf( stderr, "%s: %s", program_name, msg );
if( errcode > 0 ) fprintf( stderr, ": %s", strerror( errcode ) );
fprintf( stderr, "\n" );
}
if( help && invocation_name && invocation_name[0] )
fprintf( stderr, "Try '%s --help' for more information.\n",
invocation_name );
}
}
void internal_error( const char * const msg )
{
if( verbosity >= 0 )
fprintf( stderr, "%s: internal error: %s.\n", program_name, msg );
exit( 3 );
}
static const char * format_num( long long num )
void show_header( struct LZ_Decoder * const decoder )
{
const char * const prefix[8] =
{ "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi" };
enum { buf_size = 16, factor = 1024 };
static char buf[buf_size];
const char *p = "";
enum { factor = 1024 };
const char * p = "";
const char * np = " ";
unsigned num = LZ_decompress_dictionary_size( decoder ), i;
bool exact = ( num % factor == 0 );
int i;
for( i = 0; i < 8 && ( llabs( num ) > 9999 ||
( exact && llabs( num ) >= factor ) ); ++i )
{ num /= factor; if( num % factor != 0 ) exact = false; p = prefix[i]; }
snprintf( buf, buf_size, "%lld %s", num, p );
return buf;
for( i = 0; i < 8 && ( num > 9999 || ( exact && num >= factor ) ); ++i )
{ num /= factor; if( num % factor != 0 ) exact = false;
p = prefix[i]; np = ""; }
fprintf( stderr, "version %d, dictionary size %s%4u %sB. ",
LZ_decompress_member_version( decoder ), np, num, p );
}
static long long getnum( const char * const ptr,
const long long llimit, const long long ulimit )
static unsigned long long getnum( const char * const ptr,
const unsigned long long llimit,
const unsigned long long ulimit )
{
long long result;
char *tail;
unsigned long long result;
char * tail;
errno = 0;
result = strtoll( ptr, &tail, 0 );
result = strtoull( ptr, &tail, 0 );
if( tail == ptr )
{
show_error( "Bad or missing numerical argument.", 0, true );
@ -260,8 +227,7 @@ static long long getnum( const char * const ptr,
if( !errno && tail[0] )
{
int factor = ( tail[1] == 'i' ) ? 1024 : 1000;
int exponent = 0;
int i;
int exponent = 0, i;
bool bad_multiplier = false;
switch( tail[0] )
{
@ -286,7 +252,7 @@ static long long getnum( const char * const ptr,
}
for( i = 0; i < exponent; ++i )
{
if( LLONG_MAX / factor >= llabs( result ) ) result *= factor;
if( ulimit / factor >= result ) result *= factor;
else { errno = ERANGE; break; }
}
}
@ -302,7 +268,7 @@ static long long getnum( const char * const ptr,
static int get_dict_size( const char * const arg )
{
char *tail;
char * tail;
int bits = strtol( arg, &tail, 0 );
if( bits >= LZ_min_dictionary_bits() &&
bits <= LZ_max_dictionary_bits() && *tail == 0 )
@ -311,6 +277,20 @@ static int get_dict_size( const char * const arg )
}
static int extension_index( const char * const name )
{
int i;
for( i = 0; known_extensions[i].from; ++i )
{
const char * const ext = known_extensions[i].from;
if( strlen( name ) > strlen( ext ) &&
strncmp( name + strlen( name ) - strlen( ext ), ext, strlen( ext ) ) == 0 )
return i;
}
return -1;
}
static int open_instream( const char * const name, struct stat * const in_statsp,
const enum Mode program_mode, const int eindex,
const bool recompress, const bool to_stdout )
@ -354,22 +334,6 @@ static int open_instream( const char * const name, struct stat * const in_statsp
}
void cleanup_and_fail( const int retval )
{
if( delete_output_on_interrupt )
{
delete_output_on_interrupt = false;
if( verbosity >= 0 )
fprintf( stderr, "%s: Deleting output file '%s', if it exists.\n",
program_name, output_filename );
if( outfd >= 0 ) { close( outfd ); outfd = -1; }
if( remove( output_filename ) != 0 && errno != ENOENT )
show_error( "WARNING: deletion of output file (apparently) failed.", 0, false );
}
exit( retval );
}
/* assure at least a minimum size for buffer 'buf' */
static void * resize_buffer( void * buf, const int min_size )
{
@ -394,20 +358,6 @@ static void set_c_outname( const char * const name, const bool multifile )
}
static int extension_index( const char * const name )
{
int i;
for( i = 0; known_extensions[i].from; ++i )
{
const char * const ext = known_extensions[i].from;
if( strlen( name ) > strlen( ext ) &&
strncmp( name + strlen( name ) - strlen( ext ), ext, strlen( ext ) ) == 0 )
return i;
}
return -1;
}
static void set_d_outname( const char * const name, const int i )
{
if( i >= 0 )
@ -468,6 +418,22 @@ static bool check_tty( const int infd, const enum Mode program_mode )
}
void cleanup_and_fail( const int retval )
{
if( delete_output_on_interrupt )
{
delete_output_on_interrupt = false;
if( verbosity >= 0 )
fprintf( stderr, "%s: Deleting output file '%s', if it exists.\n",
program_name, output_filename );
if( outfd >= 0 ) { close( outfd ); outfd = -1; }
if( remove( output_filename ) != 0 && errno != ENOENT )
show_error( "WARNING: deletion of output file (apparently) failed.", 0, false );
}
exit( retval );
}
/* Set permissions, owner and times. */
static void close_and_set_permissions( const struct stat * const in_statsp )
{
@ -503,13 +469,13 @@ int readblock( const int fd, uint8_t * const buf, const int size )
errno = 0;
while( rest > 0 )
{
errno = 0;
const int n = read( fd, buf + size - rest, rest );
if( n > 0 ) rest -= n;
else if( n == 0 ) break;
else if( n == 0 ) break; /* EOF */
else if( errno != EINTR && errno != EAGAIN ) break;
errno = 0;
}
return ( rest > 0 ) ? size - rest : size;
return size - rest;
}
@ -522,18 +488,18 @@ int writeblock( const int fd, const uint8_t * const buf, const int size )
errno = 0;
while( rest > 0 )
{
errno = 0;
const int n = write( fd, buf + size - rest, rest );
if( n > 0 ) rest -= n;
else if( n < 0 && errno != EINTR && errno != EAGAIN ) break;
errno = 0;
}
return ( rest > 0 ) ? size - rest : size;
return size - rest;
}
static bool next_filename( void )
{
const unsigned int len = strlen( known_extensions[0].from );
const unsigned len = strlen( known_extensions[0].from );
int i, j;
if( strlen( output_filename ) >= len + 5 ) /* "*00001.lz" */
@ -546,19 +512,20 @@ static bool next_filename( void )
}
static int do_compress( struct LZ_Encoder * const encoder, const long long member_size,
const long long volume_size, const int infd,
static int do_compress( struct LZ_Encoder * const encoder,
const unsigned long long member_size,
const unsigned long long volume_size, const int infd,
struct Pretty_print * const pp,
const struct stat * const in_statsp )
{
long long partial_volume_size = 0;
unsigned long long partial_volume_size = 0;
enum { buffer_size = 65536 };
uint8_t buffer[buffer_size];
if( verbosity >= 1 ) Pp_show_msg( pp, 0 );
while( true )
{
int in_size = 0;
int in_size = 0, out_size;
while( LZ_compress_write_size( encoder ) > 0 )
{
const int size = min( LZ_compress_write_size( encoder ), buffer_size );
@ -574,7 +541,7 @@ static int do_compress( struct LZ_Encoder * const encoder, const long long membe
/* else LZ_compress_sync_flush( encoder ); */
in_size += rd;
}
const int out_size = LZ_compress_read( encoder, buffer, buffer_size );
out_size = LZ_compress_read( encoder, buffer, buffer_size );
if( out_size < 0 )
{
Pp_show_msg( pp, 0 );
@ -595,22 +562,27 @@ static int do_compress( struct LZ_Encoder * const encoder, const long long membe
else if( in_size == 0 ) internal_error( "library error (LZ_compress_read)" );
if( LZ_compress_member_finished( encoder ) )
{
unsigned long long size;
if( LZ_compress_finished( encoder ) == 1 ) break;
partial_volume_size += LZ_compress_member_position( encoder );
if( partial_volume_size >= volume_size - LZ_min_dictionary_size() )
if( volume_size > 0 )
{
partial_volume_size = 0;
if( delete_output_on_interrupt )
partial_volume_size += LZ_compress_member_position( encoder );
if( partial_volume_size >= volume_size - LZ_min_dictionary_size() )
{
close_and_set_permissions( in_statsp );
if( !next_filename() )
{ Pp_show_msg( pp, "Too many volume files" ); return 1; }
if( !open_outstream( true ) ) return 1;
delete_output_on_interrupt = true;
partial_volume_size = 0;
if( delete_output_on_interrupt )
{
close_and_set_permissions( in_statsp );
if( !next_filename() )
{ Pp_show_msg( pp, "Too many volume files" ); return 1; }
if( !open_outstream( true ) ) return 1;
delete_output_on_interrupt = true;
}
}
size = min( member_size, volume_size - partial_volume_size );
}
const long long size =
min( member_size, volume_size - partial_volume_size );
else
size = member_size;
if( LZ_compress_restart_member( encoder, size ) < 0 )
{
Pp_show_msg( pp, 0 );
@ -624,13 +596,13 @@ static int do_compress( struct LZ_Encoder * const encoder, const long long membe
if( verbosity >= 1 )
{
const long long in_size = LZ_compress_total_in_size( encoder );
const long long out_size = LZ_compress_total_out_size( encoder );
if( in_size <= 0 || out_size <= 0 )
const unsigned long long in_size = LZ_compress_total_in_size( encoder );
const unsigned long long out_size = LZ_compress_total_out_size( encoder );
if( in_size == 0 || out_size == 0 )
fprintf( stderr, " no data compressed.\n" );
else
fprintf( stderr, "%6.3f:1, %6.3f bits/byte, "
"%5.2f%% saved, %lld in, %lld out.\n",
"%5.2f%% saved, %llu in, %llu out.\n",
(double)in_size / out_size,
( 8.0 * out_size ) / in_size,
100.0 * ( 1.0 - ( (double)out_size / in_size ) ),
@ -640,14 +612,16 @@ static int do_compress( struct LZ_Encoder * const encoder, const long long membe
}
int compress( const long long member_size, const long long volume_size,
const struct Lzma_options * const encoder_options, const int infd,
struct Pretty_print * const pp, const struct stat * const in_statsp )
int compress( const unsigned long long member_size,
const unsigned long long volume_size,
const struct Lzma_options * const encoder_options,
const int infd, struct Pretty_print * const pp,
const struct stat * const in_statsp )
{
struct LZ_Encoder * const encoder =
LZ_compress_open( encoder_options->dictionary_size,
encoder_options->match_len_limit,
min( member_size, volume_size ) );
encoder_options->match_len_limit, ( volume_size > 0 ) ?
min( member_size, volume_size ) : member_size );
int retval;
if( !encoder || LZ_compress_errno( encoder ) != LZ_ok )
@ -675,6 +649,7 @@ int do_decompress( struct LZ_Decoder * const decoder, const int infd,
for( first_member = true; ; )
{
int in_size = min( LZ_decompress_write_size( decoder ), buffer_size );
int out_size = 0;
if( in_size > 0 )
{
const int max_in_size = in_size;
@ -688,7 +663,6 @@ int do_decompress( struct LZ_Decoder * const decoder, const int infd,
internal_error( "library error (LZ_decompress_write)" );
if( in_size < max_in_size ) LZ_decompress_finish( decoder );
}
int out_size = 0;
while( true )
{
const int rd = LZ_decompress_read( decoder, buffer, buffer_size );
@ -706,35 +680,34 @@ int do_decompress( struct LZ_Decoder * const decoder, const int infd,
}
}
else if( rd < 0 ) { out_size = rd; break; }
if( verbosity >= 1 && LZ_decompress_member_finished( decoder ) == 1 )
{
const long long data_position = LZ_decompress_data_position( decoder );
const long long member_size = LZ_decompress_member_position( decoder );
Pp_show_msg( pp, 0 );
if( verbosity >= 2 )
fprintf( stderr, "version %d, dictionary size %7sB. ",
LZ_decompress_member_version( decoder ),
format_num( LZ_decompress_dictionary_size( decoder ) ) );
if( verbosity >= 3 && data_position > 0 && member_size > 0 )
fprintf( stderr, "%6.3f:1, %6.3f bits/byte, %5.2f%% saved. ",
(double)data_position / member_size,
( 8.0 * member_size ) / data_position,
100.0 * ( 1.0 - ( (double)member_size / data_position ) ) );
if( verbosity >= 4 )
fprintf( stderr, "data CRC %08X, data size %9lld, member size %8lld. ",
LZ_decompress_data_crc( decoder ),
data_position, member_size );
if( testing ) fprintf( stderr, "ok\n" );
else fprintf( stderr, "done\n" );
}
if( LZ_decompress_member_finished( decoder ) == 1 )
{ first_member = false; Pp_reset( pp ); }
{
if( verbosity >= 1 )
{
const unsigned long long data_position = LZ_decompress_data_position( decoder );
const unsigned long long member_size = LZ_decompress_member_position( decoder );
Pp_show_msg( pp, 0 );
if( verbosity >= 2 ) show_header( decoder );
if( verbosity >= 3 && data_position > 0 && member_size > 0 )
fprintf( stderr, "%6.3f:1, %6.3f bits/byte, %5.2f%% saved. ",
(double)data_position / member_size,
( 8.0 * member_size ) / data_position,
100.0 * ( 1.0 - ( (double)member_size / data_position ) ) );
if( verbosity >= 4 )
fprintf( stderr, "data CRC %08X, data size %9llu, member size %8llu. ",
LZ_decompress_data_crc( decoder ),
data_position, member_size );
if( testing ) fprintf( stderr, "ok\n" );
else fprintf( stderr, "done\n" );
}
first_member = false; Pp_reset( pp );
}
if( rd <= 0 ) break;
}
if( out_size < 0 )
if( out_size < 0 || ( first_member && out_size == 0 ) )
{
const enum LZ_Errno lz_errno = LZ_decompress_errno( decoder );
if( lz_errno == LZ_header_error )
if( lz_errno == LZ_header_error || ( first_member && out_size == 0 ) )
{
if( !first_member ) break; /* trailing garbage */
Pp_show_msg( pp, "Error reading member header" );
@ -745,18 +718,18 @@ int do_decompress( struct LZ_Decoder * const decoder, const int infd,
Pp_show_msg( pp, "Not enough memory. Find a machine with more memory" );
return 1;
}
Pp_show_msg( pp, 0 );
if( lz_errno == LZ_unexpected_eof )
{
if( verbosity >= 0 )
fprintf( stderr, "File ends unexpectedly at pos %lld\n",
LZ_decompress_total_in_size( decoder ) );
return 2;
}
if( verbosity >= 0 )
fprintf( stderr, "LZ_decompress_read error: %s.\n",
LZ_strerror( LZ_decompress_errno( decoder ) ) );
return 1;
{
Pp_show_msg( pp, 0 );
if( lz_errno == LZ_unexpected_eof )
fprintf( stderr, "File ends unexpectedly at pos %llu\n",
LZ_decompress_total_in_size( decoder ) );
else
fprintf( stderr, "Decoder error at pos %llu: %s.\n",
LZ_decompress_total_in_size( decoder ),
LZ_strerror( LZ_decompress_errno( decoder ) ) );
}
return 2;
}
if( LZ_decompress_finished( decoder ) == 1 ) break;
if( in_size == 0 && out_size == 0 )
@ -786,7 +759,7 @@ int decompress( const int infd, struct Pretty_print * const pp,
void signal_handler( int sig )
{
sig = 0; /* keep compiler happy */
if( sig ) {} /* keep compiler happy */
show_error( "Control-C or similar caught, quitting.", 0, false );
cleanup_and_fail( 1 );
}
@ -800,6 +773,52 @@ static void set_signals( void )
}
static void Pp_init( struct Pretty_print * const pp,
const char * const filenames[], const int num_filenames )
{
unsigned stdin_name_len;
int i;
pp->name = 0;
pp->stdin_name = "(stdin)";
pp->longest_name = 0;
pp->first_post = false;
stdin_name_len = strlen( pp->stdin_name );
for( i = 0; i < num_filenames; ++i )
{
const char * const s = filenames[i];
const int len = ( (strcmp( s, "-" ) == 0) ? stdin_name_len : strlen( s ) );
if( len > pp->longest_name ) pp->longest_name = len;
}
if( pp->longest_name == 0 ) pp->longest_name = stdin_name_len;
}
void show_error( const char * const msg, const int errcode, const bool help )
{
if( verbosity >= 0 )
{
if( msg && msg[0] )
{
fprintf( stderr, "%s: %s", program_name, msg );
if( errcode > 0 ) fprintf( stderr, ": %s", strerror( errcode ) );
fprintf( stderr, "\n" );
}
if( help )
fprintf( stderr, "Try '%s --help' for more information.\n",
invocation_name );
}
}
void internal_error( const char * const msg )
{
if( verbosity >= 0 )
fprintf( stderr, "%s: internal error: %s.\n", program_name, msg );
exit( 3 );
}
int main( const int argc, const char * const argv[] )
{
/* Mapping from gzip/bzip2 style 1..9 compression modes
@ -817,8 +836,8 @@ int main( const int argc, const char * const argv[] )
{ 3 << 23, 132 }, /* -8 */
{ 1 << 25, 273 } }; /* -9 */
struct Lzma_options encoder_options = option_mapping[6]; /* default = "-6" */
long long member_size = LLONG_MAX;
long long volume_size = LLONG_MAX;
unsigned long long member_size = max_member_size;
unsigned long long volume_size = 0;
const char * input_filename = "";
const char * default_output_filename = "";
const char ** filenames = 0;
@ -867,9 +886,10 @@ int main( const int argc, const char * const argv[] )
struct Arg_parser parser;
invocation_name = argv[0];
if( LZ_version()[0] != LZ_version_string[0] )
internal_error( "bad library version" );
if( strcmp( PROGVERSION, LZ_version_string ) )
if( strcmp( PROGVERSION, LZ_version_string ) != 0 )
internal_error( "bad library version_string" );
if( !ap_init( &parser, argc, argv, options, 0 ) )
@ -881,14 +901,14 @@ int main( const int argc, const char * const argv[] )
{
const int code = ap_code( &parser, argind );
const char * const arg = ap_argument( &parser, argind );
if( !code ) break; /* no more options */
if( !code ) break; /* no more options */
switch( code )
{
case '0':
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
encoder_options = option_mapping[code-'0']; break;
case 'b': member_size = getnum( arg, 100000, LLONG_MAX / 2 ); 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 'f': force = true; break;
@ -902,7 +922,7 @@ int main( const int argc, const char * const argv[] )
case 'q': verbosity = -1; break;
case 's': encoder_options.dictionary_size = get_dict_size( arg );
break;
case 'S': volume_size = getnum( arg, 100000, LLONG_MAX / 2 ); break;
case 'S': volume_size = getnum( arg, 100000, max_volume_size ); break;
case 't': program_mode = m_test; break;
case 'v': if( verbosity < 4 ) ++verbosity; break;
case 'V': show_version(); return 0;
@ -910,29 +930,24 @@ int main( const int argc, const char * const argv[] )
}
} /* end process options */
#if defined(__OS2__)
_fsetmode( stdin, "b" );
_fsetmode( stdout, "b" );
#if defined(__MSVCRT__) || defined(__OS2__)
setmode( STDIN_FILENO, O_BINARY );
setmode( STDOUT_FILENO, O_BINARY );
#endif
if( program_mode == m_test )
outfd = -1;
for( ; argind < ap_arguments( &parser ); ++argind )
num_filenames = max( 1, ap_arguments( &parser ) - argind );
filenames = resize_buffer( filenames, num_filenames * sizeof filenames[0] );
filenames[0] = "-";
for( i = 0; argind + i < ap_arguments( &parser ); ++i )
{
if( strcmp( ap_argument( &parser, argind ), "-" ) )
filenames_given = true;
++num_filenames;
filenames = resize_buffer( filenames, num_filenames * sizeof (char *) );
filenames[num_filenames-1] = ap_argument( &parser, argind );
filenames[i] = ap_argument( &parser, argind + i );
if( strcmp( filenames[i], "-" ) != 0 ) filenames_given = true;
}
if( num_filenames == 0 )
{
++num_filenames;
filenames = resize_buffer( filenames, sizeof (char *) );
filenames[num_filenames-1] = "-";
}
if( !to_stdout && program_mode != m_test &&
( filenames_given || default_output_filename[0] ) )
set_signals();
@ -947,7 +962,7 @@ int main( const int argc, const char * const argv[] )
const struct stat * in_statsp;
output_filename[0] = 0;
if( !filenames[i][0] || !strcmp( filenames[i], "-" ) )
if( !filenames[i][0] || strcmp( filenames[i], "-" ) == 0 )
{
input_filename = "";
infd = STDIN_FILENO;
@ -958,7 +973,7 @@ int main( const int argc, const char * const argv[] )
else
{
if( program_mode == m_compress )
set_c_outname( default_output_filename, volume_size != LLONG_MAX );
set_c_outname( default_output_filename, volume_size > 0 );
else
{
output_filename = resize_buffer( output_filename,
@ -968,7 +983,7 @@ int main( const int argc, const char * const argv[] )
outfd_mode = all_rw;
if( !open_outstream( force ) )
{
if( outfd == -1 && retval < 1 ) retval = 1;
if( retval < 1 ) retval = 1;
close( infd ); infd = -1;
continue;
}
@ -988,12 +1003,12 @@ int main( const int argc, const char * const argv[] )
else
{
if( program_mode == m_compress )
set_c_outname( input_filename, volume_size != LLONG_MAX );
set_c_outname( input_filename, volume_size > 0 );
else set_d_outname( input_filename, eindex );
outfd_mode = usr_rw;
if( !open_outstream( force ) )
{
if( outfd == -1 && retval < 1 ) retval = 1;
if( retval < 1 ) retval = 1;
close( infd ); infd = -1;
continue;
}