src/liboping.c: Use an uint8_t for storing the ToS.

diff --git a/src/liboping.c b/src/liboping.c
index 2e7f288..139fa97 100644 (file)
--- a/src/liboping.c
+++ b/src/liboping.c
@@ -117,7 +117,7 @@ struct pinghost
        double                   latency;
        uint32_t                 dropped;
        int                      recv_ttl;
-       unsigned                 recv_tos;
+       uint8_t                  recv_tos;
        char                    *data;
 
        void                    *context;
@@ -130,7 +130,7 @@ struct pingobj
        double                   timeout;
        int                      ttl;
        int                      addrfamily;
-       unsigned                 tos;
+       uint8_t                  tos;
        char                    *data;
 
        struct sockaddr         *srcaddr;
@@ -353,8 +353,8 @@ static pinghost_t *ping_receive_ipv4 (pingobj_t *obj, char *buffer,
        }
 
        if (ptr != NULL){
-               ptr->recv_ttl = ip_hdr->ip_ttl;
-               ptr->recv_tos = ip_hdr->ip_tos;
+               ptr->recv_ttl = (int)     ip_hdr->ip_ttl;
+               ptr->recv_tos = (uint8_t) ip_hdr->ip_tos;
        }
        return (ptr);
 }
@@ -453,7 +453,7 @@ static int ping_receive_one (pingobj_t *obj, const pinghost_t *ph,
        struct timeval diff;
        pinghost_t *host = NULL;
        int recv_ttl;
-       unsigned recv_tos;
+       uint8_t recv_tos;
        
        /*
         * Set up the receive buffer..
@@ -499,7 +499,7 @@ static int ping_receive_one (pingobj_t *obj, const pinghost_t *ph,
 
        /* Iterate over all auxiliary data in msghdr */
        recv_ttl = -1;
-       recv_tos = 0xffff;
+       recv_tos = 0xff;
        for (cmsg = CMSG_FIRSTHDR (&msghdr); /* {{{ */
                        cmsg != NULL;
                        cmsg = CMSG_NXTHDR (&msghdr, cmsg))
@@ -513,7 +513,7 @@ static int ping_receive_one (pingobj_t *obj, const pinghost_t *ph,
                        {
                                memcpy (&recv_tos, CMSG_DATA (cmsg),
                                                sizeof (recv_tos));
-                               dprintf ("TOSv4 = %u;\n", recv_tos);
+                               dprintf ("TOSv4 = %#04"PRIx8";\n", recv_tos);
                        } else
                        if (cmsg->cmsg_type == IP_TTL)
                        {
@@ -536,7 +536,7 @@ static int ping_receive_one (pingobj_t *obj, const pinghost_t *ph,
                        {
                                memcpy (&recv_tos, CMSG_DATA (cmsg),
                                                sizeof (recv_tos));
-                               dprintf ("TOSv6 = %u;\n", recv_tos);
+                               dprintf ("TOSv6 = %#04"PRIx8";\n", recv_tos);
                        } else
                        if (cmsg->cmsg_type == IPV6_HOPLIMIT)
                        {
@@ -953,7 +953,7 @@ static int ping_set_ttl (pinghost_t *ph, int ttl)
 /*
  * Set the TOS of a socket protocol independently.
  */
-static int ping_set_tos (pinghost_t *ph, unsigned tos)
+static int ping_set_tos (pinghost_t *ph, uint8_t tos)
 {
        int ret = -2;
 
@@ -1072,13 +1072,13 @@ pingobj_t *ping_construct (void)
 
        if ((obj = (pingobj_t *) malloc (sizeof (pingobj_t))) == NULL)
                return (NULL);
-       memset (obj, '\0', sizeof (pingobj_t));
+       memset (obj, 0, sizeof (pingobj_t));
 
        obj->timeout    = PING_DEF_TIMEOUT;
        obj->ttl        = PING_DEF_TTL;
        obj->addrfamily = PING_DEF_AF;
        obj->data       = strdup (PING_DEF_DATA);
-       obj->tos        = 0;
+       obj->tos        = 0;
 
        return (obj);
 }
@@ -1124,13 +1124,16 @@ int ping_setopt (pingobj_t *obj, int option, void *value)
 
        switch (option)
        {
-               case PING_OPT_TOS:{
-                       obj->tos=*(unsigned *)value;
+               case PING_OPT_TOS:
+               {
                        pinghost_t *ph;
+
+                       obj->tos = *((uint8_t *) value);
                        for (ph = obj->head; ph != NULL; ph = ph->next)
                                ping_set_tos (ph, obj->tos);
                        break;
                }
+
                case PING_OPT_TIMEOUT:
                        obj->timeout = *((double *) value);
                        if (obj->timeout < 0.0)