1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 2 * Copyright by The HDF Group. * 3 * Copyright by the Board of Trustees of the University of Illinois. * 4 * All rights reserved. * 5 * * 6 * This file is part of HDF. The full HDF copyright notice, including * 7 * terms governing use, modification, and redistribution, is contained in * 8 * the COPYING file, which can be found at the root of the source code * 9 * distribution tree, or in https://support.hdfgroup.org/ftp/HDF/releases/. * 10 * If you do not have access to either file, you may request a copy from * 11 * help@hdfgroup.org. * 12 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 13 14 /* $Id$ */ 15 16 /*----------------------------------------------------------------------------- 17 * File: cnone.h 18 * Purpose: Header file for "none" encoding information. 19 * Dependencies: should only be included from hcompi.h 20 * Invokes: none 21 * Contents: Structures & definitions for "none" encoding. This header 22 * should only be included in hcomp.c and cnone.c. 23 * Structure definitions: 24 * Constant definitions: 25 *---------------------------------------------------------------------------*/ 26 27 /* avoid re-inclusion */ 28 #ifndef __CNONE_H 29 #define __CNONE_H 30 31 #if defined c_plusplus || defined __cplusplus 32 extern "C" 33 { 34 #endif /* c_plusplus || __cplusplus */ 35 36 /* 37 ** from cnone.c 38 */ 39 40 HDFLIBAPI int32 HCPcnone_stread 41 (accrec_t * rec); 42 43 HDFLIBAPI int32 HCPcnone_stwrite 44 (accrec_t * rec); 45 46 HDFLIBAPI int32 HCPcnone_seek 47 (accrec_t * access_rec, int32 offset, int origin); 48 49 HDFLIBAPI int32 HCPcnone_inquire 50 (accrec_t * access_rec, int32 *pfile_id, uint16 *ptag, uint16 *pref, 51 int32 *plength, int32 *poffset, int32 *pposn, int16 *paccess, 52 int16 *pspecial); 53 54 HDFLIBAPI int32 HCPcnone_read 55 (accrec_t * access_rec, int32 length, void * data); 56 57 HDFLIBAPI int32 HCPcnone_write 58 (accrec_t * access_rec, int32 length, const void * data); 59 60 HDFLIBAPI intn HCPcnone_endaccess 61 (accrec_t * access_rec); 62 63 #if defined c_plusplus || defined __cplusplus 64 } 65 #endif /* c_plusplus || __cplusplus */ 66 67 /* "none" [en|de]coding information */ 68 typedef struct 69 { 70 intn space_holder; /* merely a space holder so compilers don't barf */ 71 } 72 comp_coder_none_info_t; 73 74 #ifndef CNONE_MASTER 75 extern funclist_t cnone_funcs; /* functions to perform run-length encoding */ 76 #else 77 funclist_t cnone_funcs = 78 { /* functions to perform run-length encoding */ 79 HCPcnone_stread, 80 HCPcnone_stwrite, 81 HCPcnone_seek, 82 HCPcnone_inquire, 83 HCPcnone_read, 84 HCPcnone_write, 85 HCPcnone_endaccess 86 }; 87 #endif 88 89 #endif /* __CNONE_H */ 90