+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <stdio_dev.h>
#include <net.h>
-DECLARE_GLOBAL_DATA_PTR;
-
#ifndef CONFIG_NETCONSOLE_BUFFER_SIZE
#define CONFIG_NETCONSOLE_BUFFER_SIZE 512
#endif
len = sizeof(input_buffer) - input_size;
end = input_offset + input_size;
- if (end > sizeof(input_buffer))
+ if (end >= sizeof(input_buffer))
end -= sizeof(input_buffer);
chunk = len;
- if (end + len > sizeof(input_buffer)) {
+ /* Check if packet will wrap in input_buffer */
+ if (end + len >= sizeof(input_buffer)) {
chunk = sizeof(input_buffer) - end;
+ /* Copy the second part of the pkt to start of input_buffer */
memcpy(input_buffer, pkt + chunk, len - chunk);
}
+ /* Copy first (or only) part of pkt after end of current valid input*/
memcpy(input_buffer + end, pkt, chunk);
input_size += len;