PAYLOAD.


Files

file  cpio.c
 Handle cpio payloads within rpm packages.
file  cpio.h
 Structures used to handle cpio payloads within rpm packages.
file  fsm.c
 File state machine to handle a payload from a package.
file  fsm.h
 File state machine to handle a payload within an rpm package.
file  psm.c
 Package state machine to handle a package from a transaction set.
file  psm.h
 Package state machine to handle a package from a transaction set.
file  rpmlib.h

Data Structures

struct  cpioCrcPhysicalHeader
 Cpio archive header information. More...
struct  dnli_s
 Directory name iterator. More...
struct  hardLink_s
 Keeps track of the set of all hard links to a file in an archive. More...
struct  fsmIterator_s
 Iterator across package file info, forward on install, backward on erase. More...
struct  fsm_s
 File name and stat information. More...

RPMTS

typedef struct fsmIterator_sFSMI_t
 Iterator across package file info, forward on install, backward on erase.
typedef struct fsm_sFSM_t
 File state machine data.

Defines

#define CPIOERR_CHECK_ERRNO   0x00008000

Typedefs

typedef enum cpioMapFlags_e cpioMapFlags
typedef struct dnli_sDNLI_t
 Directory name iterator.

Enumerations

enum  cpioErrorReturns {
  CPIOERR_BAD_MAGIC = (2 ), CPIOERR_BAD_HEADER = (3 ), CPIOERR_OPEN_FAILED = (4 | 0x00008000 ), CPIOERR_CHMOD_FAILED = (5 | 0x00008000 ),
  CPIOERR_CHOWN_FAILED = (6 | 0x00008000 ), CPIOERR_WRITE_FAILED = (7 | 0x00008000 ), CPIOERR_UTIME_FAILED = (8 | 0x00008000 ), CPIOERR_UNLINK_FAILED = (9 | 0x00008000 ),
  CPIOERR_RENAME_FAILED = (10 | 0x00008000 ), CPIOERR_SYMLINK_FAILED = (11 | 0x00008000 ), CPIOERR_STAT_FAILED = (12 | 0x00008000 ), CPIOERR_LSTAT_FAILED = (13 | 0x00008000 ),
  CPIOERR_MKDIR_FAILED = (14 | 0x00008000 ), CPIOERR_RMDIR_FAILED = (15 | 0x00008000 ), CPIOERR_MKNOD_FAILED = (16 | 0x00008000 ), CPIOERR_MKFIFO_FAILED = (17 | 0x00008000 ),
  CPIOERR_LINK_FAILED = (18 | 0x00008000 ), CPIOERR_READLINK_FAILED = (19 | 0x00008000 ), CPIOERR_READ_FAILED = (20 | 0x00008000 ), CPIOERR_COPY_FAILED = (21 | 0x00008000 ),
  CPIOERR_HDR_SIZE = (22 ), CPIOERR_HDR_TRAILER = (23 ), CPIOERR_UNKNOWN_FILETYPE = (24 ), CPIOERR_MISSING_HARDLINK = (25 ),
  CPIOERR_MD5SUM_MISMATCH = (26 ), CPIOERR_INTERNAL = (27 ), CPIOERR_UNMAPPED_FILE = (28 )
}
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_MULTILIB = (1 << 31)
}

Functions

const char *const cpioStrerror (int rc)
 Return formatted error message on payload handling failure.
static const char * fsmFsPath (const FSM_t fsm, const struct stat *st, const char *subdir, const char *suffix)
 Build path to file from file info, ornamented with subdir and suffix.
static void * mapFreeIterator (const void *p)
 Destroy file info iterator.
static void * mapInitIterator (const void *a, const void *b)
 Create file info iterator.
static int mapNextIterator (void *a)
 Return next index into file info.
static int cpioStrCmp (const void *a, const void *b)
static int mapFind (void *a, const char *fsmPath)
 Locate archive path in file info.
static void * dnlFreeIterator (const void *a)
 Destroy directory name iterator.
static int dnlCount (const DNLI_t dnli)
static int dnlIndex (const DNLI_t dnli)
static void * dnlInitIterator (const FSM_t fsm, int reverse)
 Create directory name iterator.
static const char * dnlNextIterator (DNLI_t dnli)
 Return next directory name (from file info).
static int saveHardLink (FSM_t fsm)
 Save hard link in chain.
static void * freeHardLink (struct hardLink_s *li)
 Destroy set of hard links.
static int expandRegular (FSM_t fsm)
 Create file from payload stream.
static int writeFile (FSM_t fsm, int writeData)
 Write next item to payload stream.
static int writeLinkedFile (FSM_t fsm)
 Write set of linked files to payload stream.
static int fsmMakeLinks (FSM_t fsm)
 Create pending hard links to existing file.
static int fsmCommitLinks (FSM_t fsm)
 Commit hard linked file set atomically.

Define Documentation

#define CPIOERR_CHECK_ERRNO   0x00008000

Note:
CPIO_CHECK_ERRNO bit is set only if errno is valid.

Definition at line 23 of file cpio.h.


Typedef Documentation

typedef struct dnli_s * DNLI_t

Directory name iterator.

typedef struct fsm_s* FSM_t

File state machine data.

Definition at line 1227 of file rpmlib.h.

typedef struct fsmIterator_s* FSMI_t

Iterator across package file info, forward on install, backward on erase.

Definition at line 1222 of file rpmlib.h.


Enumeration Type Documentation

Enumerator:
CPIOERR_BAD_MAGIC 
CPIOERR_BAD_HEADER 
CPIOERR_OPEN_FAILED 
CPIOERR_CHMOD_FAILED 
CPIOERR_CHOWN_FAILED 
CPIOERR_WRITE_FAILED 
CPIOERR_UTIME_FAILED 
CPIOERR_UNLINK_FAILED 
CPIOERR_RENAME_FAILED 
CPIOERR_SYMLINK_FAILED 
CPIOERR_STAT_FAILED 
CPIOERR_LSTAT_FAILED 
CPIOERR_MKDIR_FAILED 
CPIOERR_RMDIR_FAILED 
CPIOERR_MKNOD_FAILED 
CPIOERR_MKFIFO_FAILED 
CPIOERR_LINK_FAILED 
CPIOERR_READLINK_FAILED 
CPIOERR_READ_FAILED 
CPIOERR_COPY_FAILED 
CPIOERR_HDR_SIZE 
CPIOERR_HDR_TRAILER 
CPIOERR_UNKNOWN_FILETYPE 
CPIOERR_MISSING_HARDLINK 
CPIOERR_MD5SUM_MISMATCH 
CPIOERR_INTERNAL 
CPIOERR_UNMAPPED_FILE 

Definition at line 27 of file cpio.h.

Enumerator:
CPIO_MAP_PATH 
CPIO_MAP_MODE 
CPIO_MAP_UID 
CPIO_MAP_GID 
CPIO_FOLLOW_SYMLINKS  only for building.
CPIO_MAP_ABSOLUTE 
CPIO_MAP_ADDDOT 
CPIO_ALL_HARDLINKS  fail if hardlinks are missing.
CPIO_MAP_TYPE  only for building.
CPIO_MULTILIB  internal, only for building.

Definition at line 60 of file cpio.h.


Function Documentation

static int cpioStrCmp ( const void *  a,
const void *  b 
) [static]

Definition at line 138 of file fsm.c.

const char* const cpioStrerror ( int  rc  ) 

Return formatted error message on payload handling failure.

Parameters:
error code
Returns:
formatted error string

Definition at line 180 of file cpio.c.

static int dnlCount ( const DNLI_t  dnli  )  [inline, static]

Definition at line 210 of file fsm.c.

static void* dnlFreeIterator ( const void *  a  )  [static]

Destroy directory name iterator.

Parameters:
a directory name iterator
Return values:
NULL always

Definition at line 198 of file fsm.c.

static int dnlIndex ( const DNLI_t  dnli  )  [inline, static]

Definition at line 218 of file fsm.c.

static void* dnlInitIterator ( const FSM_t  fsm,
int  reverse 
) [static]

Create directory name iterator.

Parameters:
fsm file state machine data
reverse traverse directory names in reverse order?
Returns:
directory name iterator

Definition at line 230 of file fsm.c.

static const char* dnlNextIterator ( DNLI_t  dnli  )  [static]

Return next directory name (from file info).

Parameters:
dnli directory name iterator
Returns:
next directory name

Definition at line 306 of file fsm.c.

static int expandRegular ( FSM_t  fsm  )  [static]

Create file from payload stream.

Todo:
Legacy: support brokenEndian MD5 checks?
Parameters:
fsm file state machine data
Returns:
0 on success

Definition at line 670 of file fsm.c.

static void* freeHardLink ( struct hardLink_s li  )  [static]

Destroy set of hard links.

Parameters:
li set of hard links

Definition at line 422 of file fsm.c.

static int fsmCommitLinks ( FSM_t  fsm  )  [static]

Commit hard linked file set atomically.

Parameters:
fsm file state machine data
Returns:
0 on success

Definition at line 978 of file fsm.c.

static const char* fsmFsPath ( const FSM_t  fsm,
const struct stat *  st,
const char *  subdir,
const char *  suffix 
) [static]

Build path to file from file info, ornamented with subdir and suffix.

Parameters:
fsm file state machine data
st file stat info
subdir subdir to use (NULL disables)
suffix suffix to use (NULL disables)
Return values:
path to file

Definition at line 55 of file fsm.c.

static int fsmMakeLinks ( FSM_t  fsm  )  [static]

Create pending hard links to existing file.

Parameters:
fsm file state machine data
Returns:
0 on success

Definition at line 920 of file fsm.c.

static int mapFind ( void *  a,
const char *  fsmPath 
) [static]

Locate archive path in file info.

Parameters:
a file info iterator
fsmPath archive path
Returns:
index into file info, -1 if archive path was not found

Definition at line 161 of file fsm.c.

static void* mapFreeIterator ( const void *  p  )  [static]

Destroy file info iterator.

Parameters:
p file info iterator
Return values:
NULL always

Definition at line 88 of file fsm.c.

static void* mapInitIterator ( const void *  a,
const void *  b 
) [static]

Create file info iterator.

Parameters:
a transaction set
b transaction element file info
Returns:
file info iterator

Definition at line 100 of file fsm.c.

static int mapNextIterator ( void *  a  )  [static]

Return next index into file info.

Parameters:
a file info iterator
Returns:
next index, -1 on termination

Definition at line 122 of file fsm.c.

static int saveHardLink ( FSM_t  fsm  )  [static]

Save hard link in chain.

Parameters:
fsm file state machine data
Returns:
Is chain only partially filled?

Definition at line 335 of file fsm.c.

static int writeFile ( FSM_t  fsm,
int  writeData 
) [static]

Write next item to payload stream.

Parameters:
fsm file state machine data
writeData should data be written?
Returns:
0 on success

Definition at line 734 of file fsm.c.

static int writeLinkedFile ( FSM_t  fsm  )  [static]

Write set of linked files to payload stream.

Parameters:
fsm file state machine data
Returns:
0 on success

Definition at line 876 of file fsm.c.


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