gui__handleeoline.c

来自「UC/GUI和UC/OS ii操作在S3C44B0上的移植」· C语言 代码 · 共 55 行

/*********************************************************************
*                SEGGER MICROCONTROLLER SYSTEME GmbH                 *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 2002         SEGGER Microcontroller Systeme GmbH        *
*                                                                    *
*        Internet: www.segger.com    Support:  [e-mail]    *
*                                                                    *
**********************************************************************

**** emWin/GSC Grafical user interface for embedded applications ****
emWin is protected by international copyright laws. Knowledge of the
source code may not be used to write a similar product. This file may
only be used in accordance with a license and should not be re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : GUI__HandleEOLine.C
Purpose     : Implementation of optional routines
---------------------------END-OF-HEADER------------------------------
*/


#include <stddef.h>           /* needed for definition of NULL */

#include "GUI_Protected.H"
#include "GUIDebug.h"


/*********************************************************************
  HandleEOLine
  Is called when processing strings which may consist of
  multiple lines after a line has been processed. It will
  a) Swall the line feed character (if it is there)
  b) Return 1 if end of string, otherwise 0
*/
int GUI__HandleEOLine(const char* *ps) {
  const char *s = *ps;
  char c= *s++;
  if (c==0)
    return 1;
  if (c=='\n') {
    *ps = s;
  }
  return 0;
}