1 /*****************************************************************************/
5 /* Determine the type of a file */
9 /* (C) 2003 Ullrich von Bassewitz */
10 /* Römerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
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. */
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: */
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 */
32 /*****************************************************************************/
45 /*****************************************************************************/
47 /*****************************************************************************/
51 /* Table that maps extensions to file types. Sorted alphabetically. */
57 static const FileType TypeTable[] = {
58 /* Upper case stuff for obsolete operating systems */
59 { "A", FILETYPE_LIB },
60 { "A65", FILETYPE_ASM },
61 { "ASM", FILETYPE_ASM },
63 { "EMD", FILETYPE_O65 },
64 { "GRC", FILETYPE_GR },
65 { "JOY", FILETYPE_O65 },
66 { "LIB", FILETYPE_LIB },
67 { "O", FILETYPE_OBJ },
68 { "O65", FILETYPE_O65 },
69 { "OBJ", FILETYPE_OBJ },
70 { "S", FILETYPE_ASM },
71 { "TGI", FILETYPE_O65 },
73 { "a", FILETYPE_LIB },
74 { "a65", FILETYPE_ASM },
75 { "asm", FILETYPE_ASM },
77 { "emd", FILETYPE_O65 },
78 { "grc", FILETYPE_GR },
79 { "joy", FILETYPE_O65 },
80 { "lib", FILETYPE_LIB },
81 { "o", FILETYPE_OBJ },
82 { "o65", FILETYPE_O65 },
83 { "obj", FILETYPE_OBJ },
84 { "s", FILETYPE_ASM },
85 { "tgi", FILETYPE_O65 },
88 #define FILETYPE_COUNT (sizeof (TypeTable) / sizeof (TypeTable[0]))
92 /*****************************************************************************/
94 /*****************************************************************************/
98 static int Compare (const void* Key, const void* Type)
99 /* Compare function for bsearch */
101 return strcmp (Key, ((const FileType*) Type)->Ext);
106 FILETYPE GetFileType (const char* Name)
107 /* Determine the type of the given file by looking at the name. If the file
108 * type could not be determined, the function returns FILETYPE_UNKOWN.
113 /* Determine the file type by the extension */
114 const char* Ext = FindExt (Name);
116 /* Do we have an extension? */
118 return FILETYPE_UNKNOWN;
121 /* Search for a table entry */
122 FT = bsearch (Ext+1, TypeTable, FILETYPE_COUNT, sizeof (FileType), Compare);
124 /* Return the result */
125 return FT? FT->Type : FILETYPE_UNKNOWN;