functions.c

#include "ets_sys.h"
#include "driver/uart.h"
#include "osapi.h"
#include "os_type.h"
#include "user_interface.h"
#include "functions.h"

int8_t ICACHE_FLASH_ATTR
dataStrCpy(void *pDest, const void *pSrc, int8_t maxLen)
{
  char *pTempD = pDest;
  const char *pTempS = pSrc;
  int8_t len;

  if(*pTempS != '\"')
  {
    return -1;
  }
  pTempS++;
  for(len=0; len<maxLen; len++)
  {
    if(*pTempS == '\"')
    {
      *pTempD = '\0';
      break;
    }
    else
    {
      *pTempD++ = *pTempS++;
    }
  }
  if(len == maxLen)
  {
    return -1;
  }
  return len;
}

functions.h

int8_t dataStrCpy(void *pDest, const void *pSrc, int8_t maxLen);