C++ (Cpp) dfile_raw_read Examples

Example #1

File: dfs_posix.c Project: visitor83/fighting_stm32

/*
+------------------------------------------------------------------------------
| Function    : read
+------------------------------------------------------------------------------
| Description :
|
| Parameters  :
| Returns     :
|
+------------------------------------------------------------------------------
*/
int read(int fd, char *buf, int   len)
{
	int result;
	struct dfs_fd* d;

	/* get the fd */
	d  = fd_get(fd);
	if (d == RT_NULL)
	{
		rt_set_errno(-RT_ERROR);
		return -1;
	}

	result = dfile_raw_read(d, buf, len);
	if (result < 0)
	{
		rt_set_errno(result);
		fd_put(d);

		return -1;
	}

	/* release the ref-count of fd */
	fd_put(d);
	return result;
}

Example #2

File: dfs_raw.c Project: samkrew/nxp-lpc

void __cat(const char* filename)
{
	rt_uint32_t length;
	char buffer[81];
	
	if (dfile_raw_open(&fd, filename, DFS_O_RDONLY) < 0)
	{
		rt_kprintf("Open %s failed\n", filename);
		return;
	}
	
	do
	{
		rt_memset(buffer, 0, sizeof(buffer));
		length = dfile_raw_read(&fd, buffer, 81);
		if (length > 0)
		{
			rt_kprintf("%s", buffer);
		}
	}while (length > 0);
	
	dfile_raw_close(&fd);
}