---
software/bios/tftp.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/software/bios/tftp.c b/software/bios/tftp.c
index 29e2665..ca50034 100644
--- a/software/bios/tftp.c
+++ b/software/bios/tftp.c
@@ -14,12 +14,14 @@ enum {
TFTP_ERROR = 5, /* Error */
};
-static int format_request(char *buf, const char *filename)
+static int format_request(unsigned char *buf, const char *filename)
{
+ int len = strlen(filename);
+
*buf++ = 0x00; /* Opcode: Request */
*buf++ = TFTP_RRQ;
- strcpy(buf, filename);
- buf += strlen(filename);
+ memcpy(buf, filename, len);
+ buf += len;
*buf++ = 0x00;
*buf++ = 'o';
*buf++ = 'c';
@@ -30,7 +32,7 @@ static int format_request(char *buf, const char *filename)
return 9+strlen(filename);
}
-static int format_ack(char *buf, unsigned short block)
+static int format_ack(unsigned char *buf, unsigned short block)
{
*buf++ = 0x00; /* Opcode: Ack */
*buf++ = TFTP_ACK;
@@ -39,7 +41,7 @@ static int format_ack(char *buf, unsigned short block)
return 4;
}
-static char *packet_data;
+static unsigned char *packet_data;
static int total_length;
static int transfer_finished;
static char *dst_buffer;
--
1.7.10.4
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