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