lib/cpio.h

Go to the documentation of this file.

#ifndef H_CPIO
#define H_CPIO

#define CPIOERR_CHECK_ERRNO     0x00008000

enum cpioErrorReturns {
        CPIOERR_BAD_MAGIC       = (2                    ),
        CPIOERR_BAD_HEADER      = (3                    ),
        CPIOERR_OPEN_FAILED     = (4    | CPIOERR_CHECK_ERRNO),
        CPIOERR_CHMOD_FAILED    = (5    | CPIOERR_CHECK_ERRNO),
        CPIOERR_CHOWN_FAILED    = (6    | CPIOERR_CHECK_ERRNO),
        CPIOERR_WRITE_FAILED    = (7    | CPIOERR_CHECK_ERRNO),
        CPIOERR_UTIME_FAILED    = (8    | CPIOERR_CHECK_ERRNO),
        CPIOERR_UNLINK_FAILED   = (9    | CPIOERR_CHECK_ERRNO),

        CPIOERR_RENAME_FAILED   = (10   | CPIOERR_CHECK_ERRNO),
        CPIOERR_SYMLINK_FAILED  = (11   | CPIOERR_CHECK_ERRNO),
        CPIOERR_STAT_FAILED     = (12   | CPIOERR_CHECK_ERRNO),
        CPIOERR_LSTAT_FAILED    = (13   | CPIOERR_CHECK_ERRNO),
        CPIOERR_MKDIR_FAILED    = (14   | CPIOERR_CHECK_ERRNO),
        CPIOERR_RMDIR_FAILED    = (15   | CPIOERR_CHECK_ERRNO),
        CPIOERR_MKNOD_FAILED    = (16   | CPIOERR_CHECK_ERRNO),
        CPIOERR_MKFIFO_FAILED   = (17   | CPIOERR_CHECK_ERRNO),
        CPIOERR_LINK_FAILED     = (18   | CPIOERR_CHECK_ERRNO),
        CPIOERR_READLINK_FAILED = (19   | CPIOERR_CHECK_ERRNO),
        CPIOERR_READ_FAILED     = (20   | CPIOERR_CHECK_ERRNO),
        CPIOERR_COPY_FAILED     = (21   | CPIOERR_CHECK_ERRNO),
        CPIOERR_LSETFCON_FAILED = (22   | CPIOERR_CHECK_ERRNO),
        CPIOERR_HDR_SIZE        = (23                   ),
        CPIOERR_HDR_TRAILER     = (24                   ),
        CPIOERR_UNKNOWN_FILETYPE= (25                   ),
        CPIOERR_MISSING_HARDLINK= (26                   ),
        CPIOERR_MD5SUM_MISMATCH = (27                   ),
        CPIOERR_INTERNAL        = (28                   ),
        CPIOERR_UNMAPPED_FILE   = (29                   ),
        CPIOERR_ENOENT          = (30                   ),
        CPIOERR_ENOTEMPTY       = (31                   )
};

typedef enum cpioMapFlags_e {
    CPIO_MAP_PATH       = (1 << 0),
    CPIO_MAP_MODE       = (1 << 1),
    CPIO_MAP_UID        = (1 << 2),
    CPIO_MAP_GID        = (1 << 3),
    CPIO_FOLLOW_SYMLINKS= (1 << 4), 
    CPIO_MAP_ABSOLUTE   = (1 << 5),
    CPIO_MAP_ADDDOT     = (1 << 6),
    CPIO_ALL_HARDLINKS  = (1 << 7), 
    CPIO_MAP_TYPE       = (1 << 8),  
    CPIO_SBIT_CHECK     = (1 << 9)
} cpioMapFlags;

#define CPIO_NEWC_MAGIC "070701"
#define CPIO_CRC_MAGIC  "070702"
#define CPIO_TRAILER    "TRAILER!!!"

struct cpioCrcPhysicalHeader {
    char magic[6];
    char inode[8];
    char mode[8];
    char uid[8];
    char gid[8];
    char nlink[8];
    char mtime[8];
    char filesize[8];
    char devMajor[8];
    char devMinor[8];
    char rdevMajor[8];
    char rdevMinor[8];
    char namesize[8];
    char checksum[8];                   /* ignored !! */
};

#define PHYS_HDR_SIZE   110             /* Don't depend on sizeof(struct) */

#ifdef __cplusplus
extern "C" {
#endif

int cpioTrailerWrite(FSM_t fsm)
        /*@globals h_errno, fileSystem, internalState @*/
        /*@modifies fsm, fileSystem, internalState @*/;

int cpioHeaderWrite(FSM_t fsm, struct stat * st)
        /*@globals h_errno, fileSystem, internalState @*/
        /*@modifies fsm, fileSystem, internalState @*/;

int cpioHeaderRead(FSM_t fsm, struct stat * st)
        /*@globals h_errno, fileSystem, internalState @*/
        /*@modifies fsm, *st, fileSystem, internalState @*/;

/*@observer@*/ const char *const cpioStrerror(int rc)
        /*@*/;

#ifdef __cplusplus
}
#endif

#endif  /* H_CPIO */

---