1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* strutil.h */ |
4 | /* */ |
5 | /* String utility functions */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 2001-2003 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 | #include <string.h> |
37 | #include <ctype.h> |
38 | |
39 | /* common */ |
40 | #include "strutil.h" |
41 | |
42 | |
43 | |
44 | /*****************************************************************************/ |
45 | /* Code */ |
46 | /*****************************************************************************/ |
47 | |
48 | |
49 | |
50 | char* StrCopy (char* Dest, size_t DestSize, const char* Source) |
51 | /* Copy Source to Dest honouring the maximum size of the target buffer. In |
52 | ** constrast to strncpy, the resulting string will always be NUL terminated. |
53 | ** The function returns the pointer to the destintation buffer. |
54 | */ |
55 | { |
56 | size_t Len = strlen (Source); |
57 | if (Len >= DestSize) { |
58 | memcpy (Dest, Source, DestSize-1); |
59 | Dest[DestSize-1] = '\0'; |
60 | } else { |
61 | memcpy (Dest, Source, Len+1); |
62 | } |
63 | return Dest; |
64 | } |
65 | |
66 | |
67 | |
68 | int StrCaseCmp (const char* S1, const char* S2) |
69 | /* Compare two strings ignoring case */ |
70 | { |
71 | int Diff; |
72 | while ((Diff = toupper (*S1) - toupper (*S2)) == 0 && *S1) { |
73 | ++S1; |
74 | ++S2; |
75 | } |
76 | return Diff; |
77 | } |
78 | |
79 | |
80 | |
81 | |