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net: use g_strsplit() for parsing host address and port 

Use the glib function to split host address and port in
the parse_host_port() function.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Stefano Garzarella 2019-05-17 15:47:47 +02:00 committed by Jason Wang
parent c1112b2d3d
commit add993477b
1 changed files with 27 additions and 16 deletions
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43
net/net.c
View File

@ -87,32 +87,39 @@ static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
int parse_host_port(struct sockaddr_in *saddr, const char *str,
Error **errp)
{
char buf[512];
gchar **substrings;
struct hostent *he;
const char *p, *r;
int port;
const char *addr, *p, *r;
int port, ret = 0;
p = str;
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) {
substrings = g_strsplit(str, ":", 2);
if (!substrings || !substrings[0] || !substrings[1]) {
error_setg(errp, "host address '%s' doesn't contain ':' "
"separating host from port", str);
return -1;
ret = -1;
goto out;
}
addr = substrings[0];
p = substrings[1];
saddr->sin_family = AF_INET;
if (buf[0] == '\0') {
if (addr[0] == '\0') {
saddr->sin_addr.s_addr = 0;
} else {
if (qemu_isdigit(buf[0])) {
if (!inet_aton(buf, &saddr->sin_addr)) {
if (qemu_isdigit(addr[0])) {
if (!inet_aton(addr, &saddr->sin_addr)) {
error_setg(errp, "host address '%s' is not a valid "
"IPv4 address", buf);
return -1;
"IPv4 address", addr);
ret = -1;
goto out;
}
} else {
he = gethostbyname(buf);
he = gethostbyname(addr);
if (he == NULL) {
error_setg(errp, "can't resolve host address '%s'", buf);
return - 1;
error_setg(errp, "can't resolve host address '%s'", addr);
ret = -1;
goto out;
}
saddr->sin_addr = *(struct in_addr *)he->h_addr;
}
@ -120,10 +127,14 @@ int parse_host_port(struct sockaddr_in *saddr, const char *str,
port = strtol(p, (char **)&r, 0);
if (r == p) {
error_setg(errp, "port number '%s' is invalid", p);
return -1;
ret = -1;
goto out;
}
saddr->sin_port = htons(port);
return 0;
out:
g_strfreev(substrings);
return ret;
}
char *qemu_mac_strdup_printf(const uint8_t *macaddr)