1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* segnames.h */ |
4 | /* */ |
5 | /* Default segment names */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 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 | #include <string.h> |
37 | |
38 | /* common */ |
39 | #include "chartype.h" |
40 | #include "segnames.h" |
41 | |
42 | |
43 | |
44 | /*****************************************************************************/ |
45 | /* Code */ |
46 | /*****************************************************************************/ |
47 | |
48 | |
49 | |
50 | int ValidSegName (const char* Name) |
51 | /* Return true if the given segment name is valid, return false otherwise */ |
52 | { |
53 | /* Must start with '_' or a letter */ |
54 | if ((*Name != '_' && !IsAlpha(*Name)) || strlen(Name) > 80) { |
55 | return 0; |
56 | } |
57 | |
58 | /* Can have letters, digits or the underline */ |
59 | while (*++Name) { |
60 | if (*Name != '_' && !IsAlNum(*Name)) { |
61 | return 0; |
62 | } |
63 | } |
64 | |
65 | /* Name is ok */ |
66 | return 1; |
67 | } |
68 | |