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File libnet-1.1.2.1-odd_chksum.patch of Package libnet
--- 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);
