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Merging upstream version 1.10.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-20 21:26:45 +01:00
parent bfb3bc1ac4
commit 9cc5f855f8
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
26 changed files with 998 additions and 423 deletions
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89
lzcheck.c
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@ -1,19 +1,20 @@
/* Lzcheck - Test program for the lzlib library
Copyright (C) 2009-2017 Antonio Diaz Diaz.
Copyright (C) 2009-2018 Antonio Diaz Diaz.
This program is free software: you have unlimited permission
to copy, distribute and modify it.
Usage is:
lzcheck filename.txt
lzcheck filename.txt...
This program reads the specified text file and then compresses it,
This program reads each specified text file and then compresses it,
line by line, to test the flushing mechanism and the member
restart/reset/sync functions.
*/
#define _FILE_OFFSET_BITS 64
#include <ctype.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
@ -34,6 +35,15 @@ uint8_t mid_buffer[buffer_size];
uint8_t out_buffer[buffer_size];
void show_line( const uint8_t * const buffer, const int size )
{
int i;
for( i = 0; i < size; ++i )
fputc( isprint( buffer[i] ) ? buffer[i] : '.', stderr );
fputc( '\n', stderr );
}
int lzcheck( FILE * const file, const int dictionary_size )
{
const int match_len_limit = 16;
@ -66,7 +76,7 @@ int lzcheck( FILE * const file, const int dictionary_size )
while( retval <= 1 )
{
int i, l, r;
int l, r;
const int read_size = fread( in_buffer, 1, buffer_size, file );
if( read_size <= 0 ) break; /* end of file */
@ -95,15 +105,11 @@ int lzcheck( FILE * const file, const int dictionary_size )
if( out_size != in_size || memcmp( in_buffer + l, out_buffer, out_size ) )
{
fprintf( stderr, "lzcheck: Sync error at pos %d in_size = %d, out_size = %d\n",
fprintf( stderr, "lzcheck: Sync error at pos %d in_size = %d, "
"out_size = %d\n",
l, in_size, out_size );
for( i = 0; i < in_size; ++i )
fputc( in_buffer[l+i], stderr );
if( in_buffer[l+in_size-1] != '\n' )
fputc( '\n', stderr );
for( i = 0; i < out_size; ++i )
fputc( out_buffer[i], stderr );
fputc( '\n', stderr );
show_line( in_buffer + l, in_size );
show_line( out_buffer, out_size );
retval = 1;
}
}
@ -113,7 +119,8 @@ int lzcheck( FILE * const file, const int dictionary_size )
{
rewind( file );
if( LZ_compress_finish( encoder ) < 0 ||
LZ_decompress_write( decoder, mid_buffer, LZ_compress_read( encoder, mid_buffer, buffer_size ) ) < 0 ||
LZ_decompress_write( decoder, mid_buffer,
LZ_compress_read( encoder, mid_buffer, buffer_size ) ) < 0 ||
LZ_decompress_read( decoder, out_buffer, buffer_size ) != 0 ||
LZ_compress_restart_member( encoder, member_size ) < 0 )
{
@ -125,7 +132,7 @@ int lzcheck( FILE * const file, const int dictionary_size )
while( retval <= 1 )
{
int i, l, r, size;
int l, r, size;
const int read_size = fread( in_buffer, 1, buffer_size / 2, file );
if( read_size <= 0 ) break; /* end of file */
@ -133,7 +140,7 @@ int lzcheck( FILE * const file, const int dictionary_size )
{
int leading_garbage, in_size, mid_size, out_size;
while( r < read_size && in_buffer[r-1] != '\n' ) ++r;
leading_garbage = (l == 0) ? min( r, read_size / 2 ) : 0;
leading_garbage = (l == 0) ? min( r, read_size ) / 2 : 0;
in_size = LZ_compress_write( encoder, in_buffer + l, r - l );
if( in_size < r - l ) r = l + in_size;
LZ_compress_sync_flush( encoder );
@ -167,22 +174,19 @@ int lzcheck( FILE * const file, const int dictionary_size )
if( out_size != in_size || memcmp( in_buffer + l, out_buffer, out_size ) )
{
fprintf( stderr, "lzcheck: Sync error at pos %d in_size = %d, out_size = %d, leading garbage = %d\n",
fprintf( stderr, "lzcheck: Sync error at pos %d in_size = %d, "
"out_size = %d, leading garbage = %d\n",
l, in_size, out_size, leading_garbage );
for( i = 0; i < in_size; ++i )
fputc( in_buffer[l+i], stderr );
if( in_buffer[l+in_size-1] != '\n' )
fputc( '\n', stderr );
for( i = 0; i < out_size; ++i )
fputc( out_buffer[i], stderr );
fputc( '\n', stderr );
show_line( in_buffer + l, in_size );
show_line( out_buffer, out_size );
retval = 1;
}
}
if( retval >= 3 ) break;
if( LZ_compress_finish( encoder ) < 0 ||
LZ_decompress_write( decoder, mid_buffer, LZ_compress_read( encoder, mid_buffer, buffer_size ) ) < 0 ||
LZ_decompress_write( decoder, mid_buffer,
LZ_compress_read( encoder, mid_buffer, buffer_size ) ) < 0 ||
LZ_decompress_read( decoder, out_buffer, buffer_size ) != 0 ||
LZ_decompress_reset( decoder ) < 0 ||
LZ_compress_restart_member( encoder, member_size ) < 0 )
@ -195,7 +199,8 @@ int lzcheck( FILE * const file, const int dictionary_size )
size = min( 100, read_size );
if( LZ_compress_write( encoder, in_buffer, size ) != size ||
LZ_compress_finish( encoder ) < 0 ||
LZ_decompress_write( decoder, mid_buffer, LZ_compress_read( encoder, mid_buffer, buffer_size ) ) < 0 ||
LZ_decompress_write( decoder, mid_buffer,
LZ_compress_read( encoder, mid_buffer, buffer_size ) ) < 0 ||
LZ_decompress_read( decoder, out_buffer, 0 ) != 0 ||
LZ_decompress_sync_to_member( decoder ) < 0 ||
LZ_compress_restart_member( encoder, member_size ) < 0 )
@ -214,26 +219,34 @@ int lzcheck( FILE * const file, const int dictionary_size )
int main( const int argc, const char * const argv[] )
{
FILE * file;
int retval;
int retval = 0, i;
int open_failures = 0;
const bool verbose = ( argc > 2 );
if( argc < 2 )
{
fputs( "Usage: lzcheck filename.txt\n", stderr );
fputs( "Usage: lzcheck filename.txt...\n", stderr );
return 1;
}
file = fopen( argv[1], "rb" );
if( !file )
for( i = 1; i < argc && retval == 0; ++ i )
{
fprintf( stderr, "lzcheck: Can't open file '%s' for reading.\n", argv[1] );
return 1;
}
/* fprintf( stderr, "lzcheck: Testing file '%s'\n", argv[1] ); */
FILE * file = fopen( argv[i], "rb" );
if( !file )
{
fprintf( stderr, "lzcheck: Can't open file '%s' for reading.\n", argv[i] );
++open_failures; continue;
}
if( verbose ) fprintf( stderr, " Testing file '%s'\n", argv[i] );
retval = lzcheck( file, 65535 ); /* 65535,16 chooses fast encoder */
if( retval == 0 )
{ rewind( file ); retval = lzcheck( file, 1 << 20 ); }
fclose( file );
retval = lzcheck( file, 65535 ); /* 65535,16 chooses fast encoder */
if( retval == 0 )
{ rewind( file ); retval = lzcheck( file, 1 << 20 ); }
fclose( file );
}
if( open_failures > 0 && verbose )
fprintf( stderr, "lzcheck: warning: %d %s failed to open.\n",
open_failures, ( open_failures == 1 ) ? "file" : "files" );
if( retval == 0 && open_failures ) retval = 1;
return retval;
}