148 lines
4.0 KiB
C
148 lines
4.0 KiB
C
#ifndef H_ARCHIVE
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#define H_ARCHIVE
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/** \ingroup payload
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* \file lib/rpmarchive.h
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*/
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#define RPMERR_CHECK_ERRNO -32768
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/** \ingroup payload
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* Error codes for archive and file handling
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*/
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enum rpmfilesErrorCodes {
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RPMERR_ITER_END = -1,
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RPMERR_BAD_MAGIC = -2,
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RPMERR_BAD_HEADER = -3,
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RPMERR_HDR_SIZE = -4,
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RPMERR_UNKNOWN_FILETYPE= -5,
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RPMERR_MISSING_FILE = -6,
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RPMERR_DIGEST_MISMATCH = -7,
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RPMERR_INTERNAL = -8,
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RPMERR_UNMAPPED_FILE = -9,
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RPMERR_ENOENT = -10,
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RPMERR_ENOTEMPTY = -11,
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RPMERR_FILE_SIZE = -12,
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RPMERR_ITER_SKIP = -13,
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RPMERR_OPEN_FAILED = -32768,
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RPMERR_CHMOD_FAILED = -32769,
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RPMERR_CHOWN_FAILED = -32770,
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RPMERR_WRITE_FAILED = -32771,
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RPMERR_UTIME_FAILED = -32772,
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RPMERR_UNLINK_FAILED = -32773,
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RPMERR_RENAME_FAILED = -32774,
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RPMERR_SYMLINK_FAILED = -32775,
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RPMERR_STAT_FAILED = -32776,
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RPMERR_LSTAT_FAILED = -32777,
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RPMERR_MKDIR_FAILED = -32778,
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RPMERR_RMDIR_FAILED = -32779,
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RPMERR_MKNOD_FAILED = -32780,
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RPMERR_MKFIFO_FAILED = -32781,
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RPMERR_LINK_FAILED = -32782,
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RPMERR_READLINK_FAILED = -32783,
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RPMERR_READ_FAILED = -32784,
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RPMERR_COPY_FAILED = -32785,
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RPMERR_LSETFCON_FAILED = -32786,
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RPMERR_SETCAP_FAILED = -32787,
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** \ingroup payload
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* Return formatted error message on payload handling failure.
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* @param rc error code
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* @return formatted error string (malloced)
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*/
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char * rpmfileStrerror(int rc);
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/** \ingroup payload
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* Get new file iterator for writing the archive content.
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* The returned rpmfi will only visit the files needing some content.
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* You need to provide the content using rpmfiArchiveWrite() or
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* rpmfiArchiveWriteFile(). Make sure to close the rpmfi with
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* rpmfiArchiveClose() to get the trailer written.
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* rpmfiSetFX() is not supported for this type of iterator.
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* @param fd file
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* @param files file info
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* @return new rpmfi
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*/
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rpmfi rpmfiNewArchiveWriter(FD_t fd, rpmfiles files);
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/** \ingroup payload
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* Get new file iterator for looping over the archive content.
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* Returned rpmfi visites files in the order they are read from the payload.
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* Content of the regular files can be retrieved with rpmfiArchiveRead() or
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* rpmfiArchiveReadToFile() when they are visited with rpmfiNext().
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* rpmfiSetFX() is not supported for this type of iterator.
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* @param fd file
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* @param files file info
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* @param itype how to handle hard links. See rpmFileIter.
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* @return new rpmfi
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*/
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rpmfi rpmfiNewArchiveReader(FD_t fd, rpmfiles files, int itype);
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/** \ingroup payload
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* Close payload archive
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* @param fi file info
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* @return > 0 on error
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*/
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int rpmfiArchiveClose(rpmfi fi);
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/** \ingroup payload
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* Return current position in payload archive
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* @param fi file info
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* @return position
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*/
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rpm_loff_t rpmfiArchiveTell(rpmfi fi);
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/** \ingroup payload
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* Write content into current file in archive
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* @param fi file info
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* @param buf pointer to content
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* @param size number of bytes to write
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* @return bytes actually written
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*/
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size_t rpmfiArchiveWrite(rpmfi fi, const void * buf, size_t size);
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/** \ingroup payload
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* Write content from given file into current file in archive
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* @param fi file info
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* @param fd file descriptor of file to read
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* @return > 0 on error
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*/
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int rpmfiArchiveWriteFile(rpmfi fi, FD_t fd);
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/** \ingroup payload
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* Read content from current file in archive
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* @param fi file info
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* @param buf pointer to buffer
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* @param size number of bytes to read
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* @return bytes actually read
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*/
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size_t rpmfiArchiveRead(rpmfi fi, void * buf, size_t size);
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/** \ingroup payload
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* Has current file content stored in the archive
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* @param fi file info
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* @ return 1 for regular files but 0 for hardlinks without content
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*/
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int rpmfiArchiveHasContent(rpmfi fi);
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/** \ingroup payload
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* Write content from current file in archive to a file
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* @param fi file info
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* @param fd file descriptor of file to write to
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* @param nodigest omit checksum check if 1
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* @return > 0 on error
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*/
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int rpmfiArchiveReadToFile(rpmfi fi, FD_t fd, int nodigest);
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#ifdef __cplusplus
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}
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#endif
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#endif /* H_ARCHIVE */
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