source: vital-to8-sdk/sap/libsap.h @ 1

Last change on this file since 1 was 1, checked in by svn, 6 years ago

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1/*  LibSAP
2 *  Version 0.9.3
3 *  Copyright (C) 2000-2003 Eric Botcazou
4 *
5 *  This program is free software; you can redistribute it and/or modify
6 *  it under the terms of the GNU General Public License as published by
7 *  the Free Software Foundation; either version 2 of the License, or
8 *  (at your option) any later version.
9 *
10 *  This program is distributed in the hope that it will be useful,
11 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 *  GNU General Public License for more details.
14 *
15 *  You should have received a copy of the GNU General Public License
16 *  along with this program; if not, write to the Free Software
17 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18 */
19
20
21#ifndef LIBSAP_H
22#define LIBSAP_H
23
24#include <stdio.h>
25#include <time.h>
26
27
28/* constants for the SAP physical file formats */
29#define SAP_NSECTS      16
30
31#define SAP_NTRACKS1    80
32#define SAP_SECTSIZE1   256
33#define SAP_TRACKSIZE1  (SAP_NSECTS*SAP_SECTSIZE1)
34
35#define SAP_NTRACKS2    40
36#define SAP_SECTSIZE2   128
37#define SAP_TRACKSIZE2  (SAP_NSECTS*SAP_SECTSIZE2)
38
39
40/* types used by the library */
41typedef unsigned int sapID;
42
43typedef struct {
44   unsigned char format;
45   unsigned char protection;
46   unsigned char track;
47   unsigned char sector;
48   unsigned char data[258];
49} sapsector_t;  /* type of a SAP sector */
50
51typedef struct {
52   int size;
53   int file_type;
54   int data_type;
55   time_t date;
56   char comment[9];
57   int nblocks;
58   int *block;
59} sapfileinfo_t;
60
61typedef int (*sapfilecb_t)(sapID id, const char filename[], int n, unsigned char trk20_data[]);
62
63
64/* return values */
65#define SAP_OK          0
66#define SAP_NO_STD_FMT  (1<<0)
67#define SAP_PROTECTED   (1<<1)
68#define SAP_BAD_SECTOR  (1<<2)
69#define SAP_CRC_ERROR   (1<<3)
70#define SAP_ERROR       (1<<7)
71
72
73/* errno values */
74extern int sap_errno;
75
76#define SAP_EBADF     1
77#define SAP_EBUSY     2
78#define SAP_EEMPTY    3
79#define SAP_EFBIG     4
80#define SAP_EINVAL    5
81#define SAP_ENFILE    6
82#define SAP_ENOENT    7
83#define SAP_ENOSPC    8
84#define SAP_EPERM     9
85#define SAP_ETOOMANY  10
86
87
88/* low-level functions */
89extern int _ExtractDir(char buffer[], int buffer_size, int drive, int density, const unsigned char trk20_data[]);
90extern int _ForEachFile(sapID id, const char pattern[], sapfilecb_t callback, int save_back);
91
92
93/* physical format API functions */
94#define SAP_FORMAT1  1
95#define SAP_FORMAT2  2
96
97extern sapID sap_OpenArchive(const char filename[], int *format);
98extern sapID sap_CreateArchive(const char filename[], int format);
99extern int   sap_CloseArchive(sapID id);
100extern int   sap_FillArchive(sapID id, sapsector_t *sector);
101extern int   sap_ReadSector(sapID id, int track, int sect, sapsector_t *sector);
102extern int   sap_ReadSectorEx(sapID id, int track, int sect, int nsects, unsigned char data[]);
103extern int   sap_WriteSector(sapID id, int track, int sect, sapsector_t *sector);
104extern int   sap_WriteSectorEx(sapID id, int track, int sect, int nsects, const unsigned char data[]);
105
106
107/* logical format API functions */
108#define SAP_TRK40   1
109#define SAP_TRK80   2
110
111extern int   sap_FormatArchive(sapID id, int capacity);
112extern int   sap_ListArchive(sapID id, char buffer[], int buffer_size);
113extern int   sap_AddFile(sapID id, const char filename[]);
114extern int   sap_DeleteFile(sapID id, const char pattern[]);
115extern int   sap_ExtractFile(sapID id, const char pattern[]);
116extern int   sap_GetFileInfo(sapID id, const char filename[], sapfileinfo_t *info);
117
118#endif
119
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