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Code Issues Releases Activity

ppp: Fix some coding style and memory leaks

This commit is contained in:
Marcel Holtmann 2010-10-21 18:26:50 +02:00
parent 49544d43d8
commit d0cbae0092
1 changed files with 16 additions and 16 deletions
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32
gatchat/ppp_net.c
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@ -44,7 +44,7 @@ struct ppp_net {
GAtPPP *ppp;
char *if_name;
GIOChannel *channel;
gint watch;
guint watch;
gint mtu;
struct ppp_header *ppp_packet;
};
@ -52,31 +52,33 @@ struct ppp_net {
gboolean ppp_net_set_mtu(struct ppp_net *net, guint16 mtu)
{
struct ifreq ifr;
int sock;
int rc;
int sk, err;
if (net == NULL || mtu > MAX_PACKET)
return FALSE;
net->mtu = mtu;
sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock < 0)
sk = socket(AF_INET, SOCK_DGRAM, 0);
if (sk < 0)
return FALSE;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, net->if_name, sizeof(ifr.ifr_name));
ifr.ifr_mtu = mtu;
rc = ioctl(sock, SIOCSIFMTU, (caddr_t) &ifr);
err = ioctl(sk, SIOCSIFMTU, (caddr_t) &ifr);
close(sock);
return (rc < 0) ? FALSE : TRUE;
close(sk);
if (err < 0)
return FALSE;
return TRUE;
}
void ppp_net_process_packet(struct ppp_net *net, const guint8 *packet)
{
GError *error = NULL;
GIOStatus status;
gsize bytes_written;
guint16 len;
@ -84,7 +86,7 @@ void ppp_net_process_packet(struct ppp_net *net, const guint8 *packet)
/* find the length of the packet to transmit */
len = get_host_short(&packet[2]);
status = g_io_channel_write_chars(net->channel, (gchar *) packet,
len, &bytes_written, &error);
len, &bytes_written, NULL);
}
/*
@ -97,7 +99,6 @@ static gboolean ppp_net_callback(GIOChannel *channel, GIOCondition cond,
struct ppp_net *net = (struct ppp_net *) userdata;
GIOStatus status;
gsize bytes_read;
GError *error = NULL;
gchar *buf = (gchar *) net->ppp_packet->info;
if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP))
@ -106,7 +107,7 @@ static gboolean ppp_net_callback(GIOChannel *channel, GIOCondition cond,
if (cond & G_IO_IN) {
/* leave space to add PPP protocol field */
status = g_io_channel_read_chars(channel, buf, net->mtu,
&bytes_read, &error);
&bytes_read, NULL);
if (bytes_read > 0)
ppp_transmit(net->ppp, (guint8 *) net->ppp_packet,
bytes_read);
@ -125,10 +126,9 @@ const char *ppp_net_get_interface(struct ppp_net *net)
struct ppp_net *ppp_net_new(GAtPPP *ppp)
{
struct ppp_net *net;
int fd;
struct ifreq ifr;
GIOChannel *channel = NULL;
int err;
struct ifreq ifr;
int fd, err;
net = g_try_new0(struct ppp_net, 1);
if (net == NULL)
@ -149,7 +149,7 @@ struct ppp_net *ppp_net_new(GAtPPP *ppp)
ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
strcpy(ifr.ifr_name, "ppp%d");
err = ioctl(fd, TUNSETIFF, (void *)&ifr);
err = ioctl(fd, TUNSETIFF, (void *) &ifr);
if (err < 0)
goto error;