minor frag tweaks

Author: braindigitalis

include/ip.h

@@ -75,7 +75,7 @@ typedef struct ip_packet {
 	uint16_t header_checksum; // checksum
 	uint8_t src_ip[4]; // source IP
 	uint8_t dst_ip[4]; // destination IP
-	uint8_t options[0]; // optional, included if if ihl > 5, overlaps data!
+	uint8_t options[0]; // optional, included if ihl > 5, overlaps data!
 	uint8_t data[]; // Packet data
 } __attribute__((packed)) ip_packet_t;
 

src/net/ip.c

@@ -574,7 +574,7 @@ void ip_handle_packet(ip_packet_t* packet, [[maybe_unused]] int n_len) {
 				for (; cur; ) {
 					void* next = cur->next;
 					size_t this_packet_size = ntohs(cur->packet->length) - (cur->packet->ihl * 4);
-					if (cur->offset + this_packet_size < data_len) {
+					if (cur->offset + this_packet_size <= data_len) {
 						void * copy_from = (void*)cur->packet + cur->packet->ihl * 4;
 						memcpy(data_ptr + cur->offset, copy_from, this_packet_size);
 					} else {