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
50char* 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
68int 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