Annotation of libaitsync/inc/aitsync.h, revision 1.1
1.1 ! misho 1: /*************************************************************************
! 2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
! 3: * by Michael Pounov <misho@openbsd-bg.org>
! 4: *
! 5: * $Author: misho $
! 6: * $Id: aitcrc.h,v 1.1.1.1.2.1 2008/11/05 17:29:19 misho Exp $
! 7: *
! 8: *************************************************************************/
! 9: #ifndef __AITSYNC_H
! 10: #define __AITSYNC_H
! 11:
! 12:
! 13: #include <sys/types.h>
! 14: #include <openssl/md5.h>
! 15:
! 16:
! 17: #define CHUNK_MAX 2048
! 18: #define DLTSYNC_MAGIC 0xD34DC0D3
! 19: #define SIGSYNC_MAGIC 0xDEADBEEF
! 20:
! 21:
! 22: typedef struct tagSyncChunk {
! 23: u_int sc_magic;
! 24: u_long sc_id;
! 25: off_t sc_off;
! 26: size_t sc_len;
! 27: u_int sc_roll;
! 28: u_char sc_cksum[MD5_DIGEST_LENGTH];
! 29: } sync_chunk_t;
! 30:
! 31:
! 32: // -------------------------------------------------------
! 33: // sync_GetErrno() Get error code of last operation
! 34: inline int sync_GetErrno();
! 35: // sync_GetError() Get error text of last operation
! 36: inline const char *sync_GetError();
! 37: // -------------------------------------------------------
! 38:
! 39: /*
! 40: * syncSignature() Calculate and create signature for diff
! 41: * @csInput = Input patched file name for calculating check sums
! 42: * @csSig = Output Signature file name
! 43: * return: -1 error, 0 ok
! 44: */
! 45: int syncSignature(const char *csInput, const char *csSig);
! 46:
! 47: /*
! 48: * syncDelta() Create Delta patch file
! 49: * @csInput = Input original source file name for make delta patch file
! 50: * @csSig = Input Signature file name
! 51: * @csDelta = Output Delta patch file name
! 52: * @compress = Compress output, 0 not compressed
! 53: * return: -1 error, 0 ok, create delta patch, 1 ok, no differences and not create patch
! 54: */
! 55: int syncDelta(const char *csInput, const char *csSig, const char *csDelta, int compress);
! 56:
! 57: /*
! 58: * syncPatch() Apply delta patch file to target
! 59: * @csInput = Input target file name for patch
! 60: * @csDelta = Input Delta patch file name
! 61: * @csPatch = After applied patch create new alternate target file, if != NULL
! 62: * @compress = Compress output, 0 not compressed
! 63: * return: -1 error, 0 ok, create delta patch, 1 ok, no differences and not create patch
! 64: */
! 65: int syncPatch(const char *csInput, const char *csDelta, const char *csPatch, int compress);
! 66:
! 67:
! 68: #endif
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