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tftp.c: use symbolic constant for block size

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Werner Almesberger 2013-04-16 13:55:27 -03:00 committed by Sebastien Bourdeauducq
parent 944dd5932d
commit 22f39b9d26
1 changed files with 5 additions and 2 deletions
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7
software/bios/tftp.c
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@ -15,6 +15,9 @@ enum {
TFTP_ERROR = 5, /* Error */
};
#define BLOCK_SIZE 512 /* block size in bytes */
static int format_request(uint8_t *buf, uint16_t op, const char *filename)
{
int len = strlen(filename);
@ -63,11 +66,11 @@ static void rx_callback(uint32_t src_ip, uint16_t src_port,
if(block < 1) return;
if(opcode == TFTP_DATA) { /* Data */
length -= 4;
offset = (block-1)*512;
offset = (block-1)*BLOCK_SIZE;
for(i=0;i<length;i++)
dst_buffer[offset+i] = data[i+4];
total_length += length;
if(length < 512)
if(length < BLOCK_SIZE)
transfer_finished = 1;
length = format_ack(packet_data, block);