mirror of https://github.com/cc65/cc65.git
81 lines
3.5 KiB
C
81 lines
3.5 KiB
C
/*****************************************************************************/
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/* */
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/* strutil.h */
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/* */
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/* String utility functions */
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/* */
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/* */
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/* */
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/* (C) 2001-2003 Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#include <string.h>
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#include <ctype.h>
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/* common */
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#include "strutil.h"
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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char* StrCopy (char* Dest, size_t DestSize, const char* Source)
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/* Copy Source to Dest honouring the maximum size of the target buffer. In
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** constrast to strncpy, the resulting string will always be NUL terminated.
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** The function returns the pointer to the destintation buffer.
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*/
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{
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size_t Len = strlen (Source);
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if (Len >= DestSize) {
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memcpy (Dest, Source, DestSize-1);
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Dest[DestSize-1] = '\0';
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} else {
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memcpy (Dest, Source, Len+1);
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}
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return Dest;
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}
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int StrCaseCmp (const char* S1, const char* S2)
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/* Compare two strings ignoring case */
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{
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int Diff;
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while ((Diff = toupper (*S1) - toupper (*S2)) == 0 && *S1) {
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++S1;
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++S2;
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}
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return Diff;
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}
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