lzip/pdlzip
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Merging upstream version 1.6~rc1.

Browse source 
Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-23 19:20:27 +01:00
parent 4d14b4402a
commit b60eef59a3
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
18 changed files with 954 additions and 870 deletions

69
lzip.h
View file

@ -1,8 +1,16 @@
/* Pdlzip - LZMA lossless data compressor
Copyright (C) 2010, 2011, 2012, 2013 Antonio Diaz Diaz.
Copyright (C) 2010-2015 Antonio Diaz Diaz.
This program is free software: you have unlimited permission
to copy, distribute and modify it.
This program is free software. Redistribution and use in source and
binary forms, with or without modification, are permitted provided
that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@ -48,12 +56,29 @@ struct Pretty_print
{
const char * name;
const char * stdin_name;
int longest_name;
unsigned longest_name;
bool first_post;
};
void Pp_init( struct Pretty_print * const pp, const char * const filenames[],
const int num_filenames );
static inline 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 unsigned 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;
}
static inline void Pp_set_name( struct Pretty_print * const pp,
const char * const filename )
@ -86,11 +111,9 @@ static inline void CRC32_init( void )
}
}
static inline void CRC32_update_byte( uint32_t * const crc, const uint8_t byte )
{ *crc = crc32[(*crc^byte)&0xFF] ^ ( *crc >> 8 ); }
static inline void CRC32_update_buf( uint32_t * const crc,
const uint8_t * const buffer, const int size )
const uint8_t * const buffer,
const int size )
{
int i;
for( i = 0; i < size; ++i )
@ -163,47 +186,35 @@ enum { Ft_size = 20 };
static inline unsigned Ft_get_data_crc( const File_trailer data )
{
unsigned tmp = 0;
int i;
for( i = 3; i >= 0; --i ) { tmp <<= 8; tmp += data[i]; }
int i; for( i = 3; i >= 0; --i ) { tmp <<= 8; tmp += data[i]; }
return tmp;
}
static inline void Ft_set_data_crc( File_trailer data, unsigned crc )
{
int i;
for( i = 0; i <= 3; ++i ) { data[i] = (uint8_t)crc; crc >>= 8; }
}
{ int i; for( i = 0; i <= 3; ++i ) { data[i] = (uint8_t)crc; crc >>= 8; } }
static inline unsigned long long Ft_get_data_size( const File_trailer data )
{
unsigned long long tmp = 0;
int i;
for( i = 11; i >= 4; --i ) { tmp <<= 8; tmp += data[i]; }
int i; for( i = 11; i >= 4; --i ) { tmp <<= 8; tmp += data[i]; }
return tmp;
}
static inline void Ft_set_data_size( File_trailer data, unsigned long long sz )
{
int i;
for( i = 4; i <= 11; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; }
}
{ int i; for( i = 4; i <= 11; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; } }
static inline unsigned long long Ft_get_member_size( const File_trailer data )
{
unsigned long long tmp = 0;
int i;
for( i = 19; i >= 12; --i ) { tmp <<= 8; tmp += data[i]; }
int i; for( i = 19; i >= 12; --i ) { tmp <<= 8; tmp += data[i]; }
return tmp;
}
static inline void Ft_set_member_size( File_trailer data, unsigned long long sz )
{
int i;
for( i = 12; i <= 19; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; }
}
{ int i; for( i = 12; i <= 19; ++i ) { data[i] = (uint8_t)sz; sz >>= 8; } }
/* defined in LzmaDec.c */
/* defined in main.c */
int readblock( const int fd, uint8_t * const buf, const int size );
int writeblock( const int fd, const uint8_t * const buf, const int size );