1/*****************************************************************************/
2/* */
3/* fileio.h */
4/* */
5/* File I/O for the od65 object file dump utility */
6/* */
7/* */
8/* */
9/* (C) 1998-2003 Ullrich von Bassewitz */
10/* Römerstrasse 52 */
11/* D-70794 Filderstadt */
12/* EMail: uz@cc65.org */
13/* */
14/* */
15/* This software is provided 'as-is', without any expressed or implied */
16/* warranty. In no event will the authors be held liable for any damages */
17/* arising from the use of this software. */
18/* */
19/* Permission is granted to anyone to use this software for any purpose, */
20/* including commercial applications, and to alter it and redistribute it */
21/* freely, subject to the following restrictions: */
22/* */
23/* 1. The origin of this software must not be misrepresented; you must not */
24/* claim that you wrote the original software. If you use this software */
25/* in a product, an acknowledgment in the product documentation would be */
26/* appreciated but is not required. */
27/* 2. Altered source versions must be plainly marked as such, and must not */
28/* be misrepresented as being the original software. */
29/* 3. This notice may not be removed or altered from any source */
30/* distribution. */
31/* */
32/*****************************************************************************/
33
34
35
36#ifndef FILEIO_H
37#define FILEIO_H
38
39
40
41#include <stdio.h>
42
43/* common */
44#include "coll.h"
45#include "filepos.h"
46#include "objdefs.h"
47
48
49
50/*****************************************************************************/
51/* Code */
52/*****************************************************************************/
53
54
55
56void FileSetPos (FILE* F, unsigned long Pos);
57/* Seek to the given absolute position, fail on errors */
58
59unsigned long FileGetPos (FILE* F);
60/* Return the current file position, fail on errors */
61
62unsigned Read8 (FILE* F);
63/* Read an 8 bit value from the file */
64
65unsigned Read16 (FILE* F);
66/* Read a 16 bit value from the file */
67
68unsigned long Read24 (FILE* F);
69/* Read a 24 bit value from the file */
70
71unsigned long Read32 (FILE* F);
72/* Read a 32 bit value from the file */
73
74long Read32Signed (FILE* F);
75/* Read a 32 bit value from the file. Sign extend the value. */
76
77unsigned long ReadVar (FILE* F);
78/* Read a variable size value from the file */
79
80char* ReadStr (FILE* F);
81/* Read a string from the file into a malloced area */
82
83FilePos* ReadFilePos (FILE* F, FilePos* Pos);
84/* Read a file position from the file */
85
86void* ReadData (FILE* F, void* Data, unsigned Size);
87/* Read data from the file */
88
89void ReadObjHeader (FILE* F, ObjHeader* Header);
90/* Read an object file header from the file */
91
92void ReadStrPool (FILE* F, Collection* C);
93/* Read a string pool from the current position into C. */
94
95
96
97/* End of fileio.h */
98
99#endif
100