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dns: fix compiler warning by refactoring use of inet_ntop

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Use nm_utils_inet4_ntop() and nm_utils_inet6_ntop() instead.
And get rid of the unneeded error-checking.

gcc warns:

    make[4]: Entering directory `/data/src/NetworkManager/src'
      CC       nm-dns-manager.lo
    dns-manager/nm-dns-manager.c: In function 'merge_one_ip4_config':
    dns-manager/nm-dns-manager.c:137:37: warning: ordered comparison of pointer with integer zero [-Wextra]
       if (inet_ntop (AF_INET, &addr, buf, INET_ADDRSTRLEN) > 0)
                                         ^
    dns-manager/nm-dns-manager.c:168:37: warning: ordered comparison of pointer with integer zero [-Wextra]
       if (inet_ntop (AF_INET, &addr, buf, INET_ADDRSTRLEN) > 0)
                                         ^
    dns-manager/nm-dns-manager.c: In function 'merge_one_ip6_config':
    dns-manager/nm-dns-manager.c:197:64: warning: ordered comparison of pointer with integer zero [-Wextra]
        if (inet_ntop (AF_INET, &(addr->s6_addr32[3]), buf, INET_ADDRSTRLEN) > 0)
                                                                    ^
    dns-manager/nm-dns-manager.c:200:38: warning: ordered comparison of pointer with integer zero [-Wextra]
        if (inet_ntop (AF_INET6, addr, buf, INET6_ADDRSTRLEN) > 0) {
                                          ^

Signed-off-by: Thomas Haller <thaller@redhat.com>
This commit is contained in:
Thomas Haller 2014-07-29 20:22:28 +02:00
parent ef24273104
commit 7580cfef20
1 changed files with 14 additions and 25 deletions
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39
src/dns-manager/nm-dns-manager.c
View file

@ -35,6 +35,7 @@
#include <glib.h>
#include <glib/gi18n.h>
#include "libnm-util/nm-utils.h"
#include "nm-dns-manager.h"
#include "nm-ip4-config.h"
#include "nm-ip6-config.h"
@ -130,12 +131,8 @@ merge_one_ip4_config (NMResolvConfData *rc, NMIP4Config *src)
num = nm_ip4_config_get_num_nameservers (src);
for (i = 0; i < num; i++) {
guint32 addr;
char buf[INET_ADDRSTRLEN];
addr = nm_ip4_config_get_nameserver (src, i);
if (inet_ntop (AF_INET, &addr, buf, INET_ADDRSTRLEN) > 0)
add_string_item (rc->nameservers, buf);
add_string_item (rc->nameservers,
nm_utils_inet4_ntop (nm_ip4_config_get_nameserver (src, i), NULL));
}
num = nm_ip4_config_get_num_domains (src);
@ -161,12 +158,8 @@ merge_one_ip4_config (NMResolvConfData *rc, NMIP4Config *src)
/* NIS stuff */
num = nm_ip4_config_get_num_nis_servers (src);
for (i = 0; i < num; i++) {
guint32 addr;
char buf[INET_ADDRSTRLEN];
addr = nm_ip4_config_get_nis_server (src, i);
if (inet_ntop (AF_INET, &addr, buf, INET_ADDRSTRLEN) > 0)
add_string_item (rc->nis_servers, buf);
add_string_item (rc->nis_servers,
nm_utils_inet4_ntop (nm_ip4_config_get_nis_server (src, i), NULL));
}
if (nm_ip4_config_get_nis_domain (src)) {
@ -187,25 +180,21 @@ merge_one_ip6_config (NMResolvConfData *rc, NMIP6Config *src)
num = nm_ip6_config_get_num_nameservers (src);
for (i = 0; i < num; i++) {
const struct in6_addr *addr;
char buf[INET6_ADDRSTRLEN];
char *tmp;
char buf[NM_UTILS_INET_ADDRSTRLEN + 50];
addr = nm_ip6_config_get_nameserver (src, i);
/* inet_ntop is probably supposed to do this for us, but it doesn't */
if (IN6_IS_ADDR_V4MAPPED (addr)) {
if (inet_ntop (AF_INET, &(addr->s6_addr32[3]), buf, INET_ADDRSTRLEN) > 0)
add_string_item (rc->nameservers, buf);
} else {
if (inet_ntop (AF_INET6, addr, buf, INET6_ADDRSTRLEN) > 0) {
if (iface && IN6_IS_ADDR_LINKLOCAL (addr)) {
tmp = g_strdup_printf ("%s%%%s", buf, iface);
add_string_item (rc->nameservers, tmp);
g_free (tmp);
} else
add_string_item (rc->nameservers, buf);
if (IN6_IS_ADDR_V4MAPPED (addr))
nm_utils_inet4_ntop (addr->s6_addr32[3], buf);
else {
nm_utils_inet6_ntop (addr, buf);
if (iface && IN6_IS_ADDR_LINKLOCAL (addr)) {
g_strlcat (buf, "%", sizeof (buf));
g_strlcat (buf, iface, sizeof (buf));
}
}
add_string_item (rc->nameservers, buf);
}
num = nm_ip6_config_get_num_domains (src);