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/*
********************************************************************************
* USB UVC Driver
*
* (c) Copyright 2010-2015, All winners Co,Ld.
* All Right Reserved
*
* FileName : assessibility.c
*
* Author : Kingvan.Tong
*
* Date : 2013.03.26
*
* Description : USB Webcam
*
* Others : NULL
*
* History:
* <time> <version > <author> <desc>
* 2013.03.26 1.0 Kingvan.Tong build this file
*
********************************************************************************
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <hal_log.h>
#include "assessibility.h"
unsigned int uvc_strlcpy(char *dest, const char *src, unsigned int size)
{
unsigned int ret = strlen(src);
if (size) {
unsigned int len = (ret >= size) ? size - 1 : ret;
memcpy(dest, src, len);
dest[len] = '\0';
}
return ret;
}
unsigned int uvc_strlcat(char *dest, const char *src, unsigned int count)
{
unsigned int dsize = strlen(dest);
unsigned int len = strlen(src);
unsigned int res = dsize + len;
/* This would be a bug */
if(dsize >= count) {
hal_log_err("uvc_strlcat err!\n");
}
dest += dsize;
count -= dsize;
if (len >= count) {
len = count-1;
}
memcpy(dest, src, len);
dest[len] = 0;
return res;
}
unsigned short get_unaligned_le16( const void *p )
{
// unsigned short *ptr = (unsigned short *)p;
// return *ptr;
unsigned char* data = (unsigned char*)p;
return ((data[0])|(data[1]<<8));
}
unsigned int get_unaligned_le32( const void *p )
{
// unsigned int *ptr = (unsigned int *)p;
// return *ptr;
unsigned char* data = (unsigned char*)p;
return ((data[0])|(data[1]<<8)|(data[2]<<16)|(data[3]<<24));
}
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