1/*****************************************************************************/
2/* */
3/* fileid.h */
4/* */
5/* Determine the id of a file type by extension */
6/* */
7/* */
8/* */
9/* (C) 2003-2012, Ullrich von Bassewitz */
10/* Roemerstrasse 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 FILEID_H
37#define FILEID_H
38
39
40
41/*****************************************************************************/
42/* Data */
43/*****************************************************************************/
44
45
46
47/* An entry for a table that maps extensions to some sort of identifier. Such
48** a table - sorted alphabetically - is passed to GetFileId.
49*/
50typedef struct FileId FileId;
51struct FileId {
52 const char Ext[4];
53 int Id;
54};
55
56
57
58/*****************************************************************************/
59/* Code */
60/*****************************************************************************/
61
62
63
64int CompareFileId (const void* Key, const void* Id);
65/* Compare function used when calling bsearch with a table of FileIds */
66
67const FileId* GetFileId (const char* Name, const FileId* Table, unsigned Count);
68/* Determine the id of the given file by looking at file extension of the name.
69** The table passed to the function must be sorted alphabetically. If the
70** extension is found, a pointer to the matching table entry is returned. If
71** no matching table entry was found, the function returns NULL.
72*/
73
74
75
76/* End of fileid.h */
77
78#endif
79