libnet/libnet-1.1.2.1-odd_chksum.patch
2007-01-15 23:50:51 +00:00

24 lines
452 B
Diff

--- libnet-1.1.2.1.orig/src/libnet_checksum.c
+++ libnet-1.1.2.1/src/libnet_checksum.c
@@ -42,8 +42,10 @@
libnet_in_cksum(u_int16_t *addr, int len)
{
int sum;
+ u_int16_t last_byte;
sum = 0;
+ last_byte = 0;
while (len > 1)
{
@@ -52,7 +54,8 @@
}
if (len == 1)
{
- sum += *(u_int16_t *)addr;
+ *(u_int8_t*)&last_byte = *(u_int8_t*)addr;
+ sum += last_byte;
}
return (sum);