gui__handleeoline.c

来自「uCGUI」· C语言 代码 · 共 40 行

/*************************************************************************************************************
                                                   uC/GUI
                                               嵌入式通用图形软件
File        : GUI__HandleEOLine.C
Purpose     : Implementation of optional routines
************************************************************************************************************/
#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;
}