47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/*
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*********************************************************************************************************
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* uC/GUI
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* Universal graphic software for embedded applications
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*
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* (c) Copyright 2002, Micrium Inc., Weston, FL
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* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
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*
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* µC/GUI is protected by international copyright laws. Knowledge of the
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* source code may not be used to write a similar product. This file may
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* only be used in accordance with a license and should not be redistributed
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* in any way. We appreciate your understanding and fairness.
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*
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----------------------------------------------------------------------
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File : GUI__strlen.c
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Purpose : Implementation of GUI__strlen
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---------------------------END-OF-HEADER------------------------------
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*/
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#include "GUI_Protected.h"
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/*********************************************************************
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*
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* public code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* GUI__strlen
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*
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* Purpose:
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* Replacement for the strlen function. The advantage is that it can
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* be called with a NULL pointer, in which case -1 is returned.
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*/
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int GUI__strlen(const char GUI_UNI_PTR * s) {
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int r = -1;
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if (s) {
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do {
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r++;
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} while (*s++);
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}
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return r;
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}
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/*************************** End of file ****************************/
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