lzip/pdlzip
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Merging upstream version 1.9.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-23 19:23:58 +01:00
parent 6505cbaa82
commit 2271b0d90c
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
12 changed files with 340 additions and 205 deletions
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39
lzip.h
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@ -1,5 +1,5 @@
/* Pdlzip - LZMA lossless data compressor
Copyright (C) 2010-2017 Antonio Diaz Diaz.
Copyright (C) 2010-2018 Antonio Diaz Diaz.
This program is free software. Redistribution and use in source and
binary forms, with or without modification, are permitted provided
@ -24,6 +24,8 @@
#define min(x,y) ((x) <= (y) ? (x) : (y))
#endif
void * resize_buffer( void * buf, const unsigned min_size );
typedef int State;
enum {
@ -50,9 +52,13 @@ enum {
min_match_len_limit = 5 };
/* defined in main.c */
extern int verbosity;
struct Pretty_print
{
const char * name;
char * padded_name;
const char * stdin_name;
unsigned longest_name;
bool first_post;
@ -60,11 +66,12 @@ struct Pretty_print
static inline void Pp_init( struct Pretty_print * const pp,
const char * const filenames[],
const int num_filenames, const int verbosity )
const int num_filenames )
{
unsigned stdin_name_len;
int i;
pp->name = 0;
pp->padded_name = 0;
pp->stdin_name = "(stdin)";
pp->longest_name = 0;
pp->first_post = false;
@ -83,9 +90,19 @@ static inline void Pp_init( struct Pretty_print * const pp,
static inline void Pp_set_name( struct Pretty_print * const pp,
const char * const filename )
{
unsigned name_len, padded_name_len, i = 0;
if( filename && filename[0] && strcmp( filename, "-" ) != 0 )
pp->name = filename;
else pp->name = pp->stdin_name;
name_len = strlen( pp->name );
padded_name_len = max( name_len, pp->longest_name ) + 4;
pp->padded_name = resize_buffer( pp->padded_name, padded_name_len + 1 );
while( i < 2 ) pp->padded_name[i++] = ' ';
while( i < name_len + 2 ) { pp->padded_name[i] = pp->name[i-2]; ++i; }
pp->padded_name[i++] = ':';
while( i < padded_name_len ) pp->padded_name[i++] = ' ';
pp->padded_name[i] = 0;
pp->first_post = true;
}
@ -149,12 +166,21 @@ static inline void Fh_set_magic( File_header data )
static inline bool Fh_verify_magic( const File_header data )
{ return ( memcmp( data, magic_string, 4 ) == 0 ); }
/* detect truncated header */
static inline bool Fh_verify_prefix( const File_header data, const int size )
/* detect (truncated) header */
static inline bool Fh_verify_prefix( const File_header data, const int sz )
{
int i; for( i = 0; i < size && i < 4; ++i )
int i; for( i = 0; i < sz && i < 4; ++i )
if( data[i] != magic_string[i] ) return false;
return ( size > 0 );
return ( sz > 0 );
}
/* detect corrupt header */
static inline bool Fh_verify_corrupt( const File_header data )
{
int matches = 0;
int i; for( i = 0; i < 4; ++i )
if( data[i] == magic_string[i] ) ++matches;
return ( matches > 1 && matches < 4 );
}
static inline uint8_t Fh_version( const File_header data )
@ -233,7 +259,6 @@ 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 );
/* defined in main.c */
extern int verbosity;
void cleanup_and_fail( const int retval );
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,