lzip/zutils
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Merging upstream version 1.1~rc2.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-24 05:43:06 +01:00
parent 24e2ea3a41
commit e13f4df619
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
26 changed files with 1151 additions and 583 deletions
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28
zutils.h
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@ -15,9 +15,10 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
const char * const Program_name = "Zutils";
const char * const program_name = "zutils";
const char * const program_year = "2013";
const char * const Program_name = "Zutils";
const char * const program_name = "zutils";
const char * const config_file_name = "zutilsrc";
const char * const program_year = "2013";
extern const char * invocation_name;
extern const char * util_name;
@ -27,8 +28,6 @@ enum { fmt_bz2, fmt_gz, fmt_lz, fmt_xz, num_formats };
const char * const format_names[num_formats] = { "bz2", "gz", "lz", "xz" };
const char * const simple_extensions[num_formats] =
{ ".bz2", ".gz", ".lz", ".xz" };
const char * const decompressor_names[num_formats] =
{ "bzip2", "gzip", "lzip", "xz" };
const int8_t format_order[num_formats] =
{ fmt_lz, fmt_bz2, fmt_gz, fmt_xz }; // search order
@ -47,14 +46,20 @@ const uint8_t xz_magic[xz_magic_size] =
{ 0xFD, 0x37, 0x7A, 0x58, 0x5A }; // 0xFD, "7zXZ"
int get_format_type( const std::string & arg );
int parse_format_type( const std::string & arg );
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 );
bool feed_data( const int infd, const int outfd,
const uint8_t * magic_data, const int magic_size );
bool set_data_feeder( int * const infdp, pid_t * const pidp,
const int format_type );
struct Children
{
const char * compressor_name;
pid_t pid[2]; // data feeder, compressor
};
bool good_status( const Children & children, const bool finished );
bool set_data_feeder( int * const infdp, Children & children, int format_index );
void show_help_addr();
void show_version( const char * const Util_name = 0 );
@ -66,9 +71,10 @@ void show_exec_error( const char * const prog_name );
void show_fork_error( const char * const prog_name );
void internal_error( const char * const msg );
const char * test_format( const int infd,
const uint8_t ** const magic_datap,
int * const magic_sizep );
// Returns format index or -1 if uncompressed
//
int test_format( const int infd, const uint8_t ** const magic_datap,
int * const magic_sizep );
// Returns exit status of child process 'pid', or 'eretval' in case of error.
//