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#ifndef _TAR_FUNCTION_H_
#define _TAR_FUNCTION_H_
/*
* Functions for extracting tar archives.
* Bruce Perens, April-May 1995
* Copyright © 1995 Bruce Perens
* This is free software under the GNU General Public License.
*/
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
enum tar_format {
tar_format_old,
tar_format_gnu,
tar_format_ustar,
tar_format_pax,
};
enum TarFileType {
NormalFile0 = '\0', /* For compatibility with decades-old bug */
NormalFile1 = '0',
HardLink = '1',
SymbolicLink = '2',
CharacterDevice = '3',
BlockDevice = '4',
Directory = '5',
FIFO = '6',
GNU_LONGLINK = 'K',
GNU_LONGNAME = 'L'
};
typedef enum TarFileType TarFileType;
struct TarInfo {
enum tar_format format; /* Tar archive format. */
void * UserData; /* User passed this in as argument */
char * Name; /* File name */
mode_t Mode; /* Unix mode, including device bits. */
size_t Size; /* Size of file */
time_t ModTime; /* Last-modified time */
TarFileType Type; /* Regular, Directory, Special, Link */
char * LinkName; /* Name for symbolic and hard links */
dev_t Device; /* Special device for mknod() */
uid_t UserID; /* Numeric UID */
gid_t GroupID; /* Numeric GID */
};
typedef struct TarInfo TarInfo;
typedef int (*TarReadFunction)(void * userData, char * buffer, int length);
typedef int (*TarFunction)(TarInfo * h);
struct TarFunctions {
TarReadFunction Read;
TarFunction ExtractFile;
TarFunction MakeDirectory;
TarFunction MakeHardLink;
TarFunction MakeSymbolicLink;
TarFunction MakeSpecialFile;
};
typedef struct TarFunctions TarFunctions;
extern int TarExtractor(void * userData, const TarFunctions * functions);
#endif
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