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Make various accessors and parameters const.

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This commit is contained in:
david
2011-09-19 16:13:33 +00:00
parent 5898afd06b
commit d91b131da0
4 changed files with 28 additions and 27 deletions
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17
libnetutil/netutil.cc
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@@ -1936,13 +1936,13 @@ static inline char* STRAPP(const char *fmt, ...) {
* and returns a string containing an ASCII description of the options
* found. The function returns a pointer to a static buffer that
* subsequent calls will overwrite. On error, NULL is returned. */
char *format_ip_options(u8* ipopt, int ipoptlen) {
char *format_ip_options(const u8* ipopt, int ipoptlen) {
char ipstring[32];
int option_type = UNKNOWN;// option type
int option_len = 0; // option length
int option_pt = 0; // option pointer
int option_fl = 0; // option flag
u8 *tptr; // temp pointer
const u8 *tptr; // temp pointer
u32 *tint; // temp int
int option_sta = 0; // option start offset
@@ -3374,7 +3374,7 @@ int Sendto(const char *functionname, int sd,
/* Send an IP packet over an ethernet handle. */
int send_ip_packet_eth(struct eth_nfo *eth, u8 *packet, unsigned int packetlen) {
int send_ip_packet_eth(const struct eth_nfo *eth, const u8 *packet, unsigned int packetlen) {
eth_t *ethsd;
u8 *eth_frame;
int res;
@@ -3398,7 +3398,7 @@ int send_ip_packet_eth(struct eth_nfo *eth, u8 *packet, unsigned int packetlen)
/* Send an IP packet over a raw socket. */
int send_ip_packet_sd(int sd, u8 *packet, unsigned int packetlen) {
int send_ip_packet_sd(int sd, const u8 *packet, unsigned int packetlen) {
struct sockaddr_in sock;
struct ip *ip = (struct ip *) packet;
struct tcp_hdr *tcp;
@@ -3455,7 +3455,8 @@ int send_ip_packet_sd(int sd, u8 *packet, unsigned int packetlen) {
/* Sends the supplied pre-built IPv4 packet. The packet is sent through
* the raw socket "sd" if "eth" is NULL. Otherwise, it gets sent at raw
* ethernet level. */
int send_ip_packet_eth_or_sd(int sd, struct eth_nfo *eth, u8 *packet, unsigned int packetlen){
int send_ip_packet_eth_or_sd(int sd, const struct eth_nfo *eth, const u8 *packet,
unsigned int packetlen) {
if(eth)
return send_ip_packet_eth(eth, packet, packetlen);
else
@@ -3468,7 +3469,7 @@ int send_ip_packet_eth_or_sd(int sd, struct eth_nfo *eth, u8 *packet, unsigned i
* Minimal MTU for IPv4 is 68 and maximal IPv4 header size is 60
* which gives us a right to cut TCP header after 8th byte
* (shouldn't we inflate the header to 60 bytes too?) */
int send_frag_ip_packet(int sd, struct eth_nfo *eth, u8 *packet,
int send_frag_ip_packet(int sd, const struct eth_nfo *eth, const u8 *packet,
unsigned int packetlen, u32 mtu) {
struct ip *ip = (struct ip *) packet;
int headerlen = ip->ip_hl * 4; // better than sizeof(struct ip)
@@ -3529,7 +3530,7 @@ int send_frag_ip_packet(int sd, struct eth_nfo *eth, u8 *packet,
*/
/* Send an IPv6 packet over an Ethernet handle. */
static int send_ipv6_eth(struct eth_nfo *eth, const u8 *packet, unsigned int packetlen) {
static int send_ipv6_eth(const struct eth_nfo *eth, const u8 *packet, unsigned int packetlen) {
eth_t *ethsd;
struct eth_hdr *eth_frame;
u8 *copy;
@@ -3769,7 +3770,7 @@ bail:
#endif
/* For now, the sd argument is ignored. */
int send_ipv6_packet_eth_or_sd(int sd, struct eth_nfo *eth, const u8 *packet, unsigned int packetlen) {
int send_ipv6_packet_eth_or_sd(int sd, const struct eth_nfo *eth, const u8 *packet, unsigned int packetlen) {
if (eth != NULL) {
return send_ipv6_eth(eth, packet, packetlen);
} else {