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*: gethostname-related fixes

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function                                             old     new   delta
hostname_main                                        218     231     +13
nfsmount                                            3541    3474     -67

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-02-27 19:38:19 +01:00
parent ca228fb16d
commit 99069330a1
3 changed files with 13 additions and 35 deletions
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22
libbb/xconnect.c
View File

@ -96,28 +96,6 @@ unsigned FAST_FUNC bb_lookup_port(const char *port, const char *protocol, unsign
}
/* "Old" networking API - only IPv4 */
/*
void FAST_FUNC bb_lookup_host(struct sockaddr_in *s_in, const char *host)
{
struct hostent *he;
memset(s_in, 0, sizeof(struct sockaddr_in));
s_in->sin_family = AF_INET;
he = xgethostbyname(host);
memcpy(&(s_in->sin_addr), he->h_addr_list[0], he->h_length);
}
int FAST_FUNC xconnect_tcp_v4(struct sockaddr_in *s_addr)
{
int s = xsocket(AF_INET, SOCK_STREAM, 0);
xconnect(s, (struct sockaddr*) s_addr, sizeof(*s_addr));
return s;
}
*/
/* "New" networking API */

8
networking/hostname.c
View File

@ -132,11 +132,15 @@ int hostname_main(int argc UNUSED_PARAM, char **argv)
if (*p)
puts(p + 1);
} else /*if (opts & OPT_i)*/ {
while (hp->h_addr_list[0]) {
printf("%s ", inet_ntoa(*(struct in_addr *) (*hp->h_addr_list++)));
if (hp->h_length == sizeof(struct in_addr)) {
struct in_addr **h_addr_list = (struct in_addr **)hp->h_addr_list;
while (*h_addr_list) {
printf("%s ", inet_ntoa(**h_addr_list));
h_addr_list++;
}
bb_putchar('\n');
}
}
} else if (opts & OPT_F) {
/* Set the hostname */
do_sethostname(hostname_str, 1);

16
util-linux/mount.c
View File

@ -1043,12 +1043,10 @@ static NOINLINE int nfsmount(struct mntent *mp, long vfsflags, char *filteropts)
bb_herror_msg("%s", hostname);
goto fail;
}
if ((size_t)hp->h_length > sizeof(struct in_addr)) {
bb_error_msg("got bad hp->h_length");
hp->h_length = sizeof(struct in_addr);
if (hp->h_length != (int)sizeof(struct in_addr)) {
bb_error_msg_and_die("only IPv4 is supported");
}
memcpy(&server_addr.sin_addr,
hp->h_addr, hp->h_length);
memcpy(&server_addr.sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
}
memcpy(&mount_server_addr, &server_addr, sizeof(mount_server_addr));
@ -1331,13 +1329,11 @@ static NOINLINE int nfsmount(struct mntent *mp, long vfsflags, char *filteropts)
bb_herror_msg("%s", mounthost);
goto fail;
}
if ((size_t)hp->h_length > sizeof(struct in_addr)) {
bb_error_msg("got bad hp->h_length");
hp->h_length = sizeof(struct in_addr);
if (hp->h_length != (int)sizeof(struct in_addr)) {
bb_error_msg_and_die("only IPv4 is supported");
}
mount_server_addr.sin_family = AF_INET;
memcpy(&mount_server_addr.sin_addr,
hp->h_addr, hp->h_length);
memcpy(&mount_server_addr.sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
}
}