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lib/cpio.h

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00001 #ifndef H_CPIO
00002 #define H_CPIO
00003 
00018 #define CPIOERR_CHECK_ERRNO     0x00008000
00019 
00022 enum cpioErrorReturns {
00023         CPIOERR_BAD_MAGIC       = (2                    ),
00024         CPIOERR_BAD_HEADER      = (3                    ),
00025         CPIOERR_OPEN_FAILED     = (4    | CPIOERR_CHECK_ERRNO),
00026         CPIOERR_CHMOD_FAILED    = (5    | CPIOERR_CHECK_ERRNO),
00027         CPIOERR_CHOWN_FAILED    = (6    | CPIOERR_CHECK_ERRNO),
00028         CPIOERR_WRITE_FAILED    = (7    | CPIOERR_CHECK_ERRNO),
00029         CPIOERR_UTIME_FAILED    = (8    | CPIOERR_CHECK_ERRNO),
00030         CPIOERR_UNLINK_FAILED   = (9    | CPIOERR_CHECK_ERRNO),
00031 
00032         CPIOERR_RENAME_FAILED   = (10   | CPIOERR_CHECK_ERRNO),
00033         CPIOERR_SYMLINK_FAILED  = (11   | CPIOERR_CHECK_ERRNO),
00034         CPIOERR_STAT_FAILED     = (12   | CPIOERR_CHECK_ERRNO),
00035         CPIOERR_LSTAT_FAILED    = (13   | CPIOERR_CHECK_ERRNO),
00036         CPIOERR_MKDIR_FAILED    = (14   | CPIOERR_CHECK_ERRNO),
00037         CPIOERR_RMDIR_FAILED    = (15   | CPIOERR_CHECK_ERRNO),
00038         CPIOERR_MKNOD_FAILED    = (16   | CPIOERR_CHECK_ERRNO),
00039         CPIOERR_MKFIFO_FAILED   = (17   | CPIOERR_CHECK_ERRNO),
00040         CPIOERR_LINK_FAILED     = (18   | CPIOERR_CHECK_ERRNO),
00041         CPIOERR_READLINK_FAILED = (19   | CPIOERR_CHECK_ERRNO),
00042         CPIOERR_READ_FAILED     = (20   | CPIOERR_CHECK_ERRNO),
00043         CPIOERR_COPY_FAILED     = (21   | CPIOERR_CHECK_ERRNO),
00044         CPIOERR_HDR_SIZE        = (22                   ),
00045         CPIOERR_HDR_TRAILER     = (23                   ),
00046         CPIOERR_UNKNOWN_FILETYPE= (24                   ),
00047         CPIOERR_MISSING_HARDLINK= (25                   ),
00048         CPIOERR_MD5SUM_MISMATCH = (26                   ),
00049         CPIOERR_INTERNAL        = (27                   ),
00050         CPIOERR_UNMAPPED_FILE   = (28                   )
00051 };
00052 
00055 typedef enum cpioMapFlags_e {
00056     CPIO_MAP_PATH       = (1 << 0),
00057     CPIO_MAP_MODE       = (1 << 1),
00058     CPIO_MAP_UID        = (1 << 2),
00059     CPIO_MAP_GID        = (1 << 3),
00060     CPIO_FOLLOW_SYMLINKS= (1 << 4), 
00061     CPIO_MAP_ABSOLUTE   = (1 << 5),
00062     CPIO_MAP_ADDDOT     = (1 << 6),
00063     CPIO_ALL_HARDLINKS  = (1 << 7), 
00064     CPIO_MAP_TYPE       = (1 << 8), 
00065     CPIO_MULTILIB       = (1 << 31) 
00066 } cpioMapFlags;
00067 
00068 #define CPIO_NEWC_MAGIC "070701"
00069 #define CPIO_CRC_MAGIC  "070702"
00070 #define CPIO_TRAILER    "TRAILER!!!"
00071 
00075 struct cpioCrcPhysicalHeader {
00076     char magic[6];
00077     char inode[8];
00078     char mode[8];
00079     char uid[8];
00080     char gid[8];
00081     char nlink[8];
00082     char mtime[8];
00083     char filesize[8];
00084     char devMajor[8];
00085     char devMinor[8];
00086     char rdevMajor[8];
00087     char rdevMinor[8];
00088     char namesize[8];
00089     char checksum[8];                   /* ignored !! */
00090 };
00091 
00092 #define PHYS_HDR_SIZE   110             
00094 #ifdef __cplusplus
00095 extern "C" {
00096 #endif
00097 
00103 int cpioTrailerWrite(FSM_t fsm)
00104         /*@globals fileSystem, internalState @*/
00105         /*@modifies fsm, fileSystem, internalState @*/;
00106 
00113 int cpioHeaderWrite(FSM_t fsm, struct stat * st)
00114         /*@globals fileSystem, internalState @*/
00115         /*@modifies fsm, fileSystem, internalState @*/;
00116 
00123 int cpioHeaderRead(FSM_t fsm, struct stat * st)
00124         /*@globals fileSystem, internalState @*/
00125         /*@modifies fsm, *st, fileSystem, internalState @*/;
00126 
00132 /*@observer@*/ const char *const cpioStrerror(int rc)
00133         /*@*/;
00134 
00135 #ifdef __cplusplus
00136 }
00137 #endif
00138 
00139 #endif  /* H_CPIO */

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