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utils: make rt_addr_n2a() non-reentrant by default

Browse Source 
There is only a single user who needs it to be reentrant (not really,
but it's safer like this), add rt_addr_n2a_r() for it to use.

Signed-off-by: Phil Sutter <phil@nwl.cc>
This commit is contained in:
Phil Sutter 2016-03-22 19:35:16 +01:00 committed by Stephen Hemminger
parent a418e45164
commit 2e96d2ccd0
14 changed files with 37 additions and 82 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/utils.h
View File

@ -125,8 +125,9 @@ int af_byte_len(int af);
const char *format_host_r(int af, int len, const void *addr, const char *format_host_r(int af, int len, const void *addr,
char *buf, int buflen); char *buf, int buflen);
const char *format_host(int af, int lne, const void *addr); const char *format_host(int af, int lne, const void *addr);
const char *rt_addr_n2a(int af, int len, const void *addr, const char *rt_addr_n2a_r(int af, int len, const void *addr,
char *buf, int buflen); char *buf, int buflen);
const char *rt_addr_n2a(int af, int len, const void *addr);
int read_family(const char *name); int read_family(const char *name);
const char *family_name(int family); const char *family_name(int family);

2
ip/ip6tunnel.c
View File

@ -78,7 +78,7 @@ static void print_tunnel(struct ip6_tnl_parm2 *p)
p->name, p->name,
tnl_strproto(p->proto), tnl_strproto(p->proto),
format_host_r(AF_INET6, 16, &p->raddr, s1, sizeof(s1)), format_host_r(AF_INET6, 16, &p->raddr, s1, sizeof(s1)),
rt_addr_n2a(AF_INET6, 16, &p->laddr, s2, sizeof(s2))); rt_addr_n2a_r(AF_INET6, 16, &p->laddr, s2, sizeof(s2)));
if (p->link) { if (p->link) {
const char *n = ll_index_to_name(p->link); const char *n = ll_index_to_name(p->link);

5
ip/iplink_bond.c
View File

@ -411,7 +411,6 @@ static void bond_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
if (tb[IFLA_BOND_ARP_IP_TARGET]) { if (tb[IFLA_BOND_ARP_IP_TARGET]) {
struct rtattr *iptb[BOND_MAX_ARP_TARGETS + 1]; struct rtattr *iptb[BOND_MAX_ARP_TARGETS + 1];
char buf[INET_ADDRSTRLEN];
int i; int i;
parse_rtattr_nested(iptb, BOND_MAX_ARP_TARGETS, parse_rtattr_nested(iptb, BOND_MAX_ARP_TARGETS,
@ -425,9 +424,7 @@ static void bond_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
fprintf(f, "%s", fprintf(f, "%s",
rt_addr_n2a(AF_INET, rt_addr_n2a(AF_INET,
RTA_PAYLOAD(iptb[i]), RTA_PAYLOAD(iptb[i]),
RTA_DATA(iptb[i]), RTA_DATA(iptb[i])));
buf,
INET_ADDRSTRLEN));
if (i < BOND_MAX_ARP_TARGETS-1 && iptb[i+1]) if (i < BOND_MAX_ARP_TARGETS-1 && iptb[i+1])
fprintf(f, ","); fprintf(f, ",");
} }

7
ip/ipmroute.c
View File

@ -58,7 +58,6 @@ int print_mroute(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
struct rtmsg *r = NLMSG_DATA(n); struct rtmsg *r = NLMSG_DATA(n);
int len = n->nlmsg_len; int len = n->nlmsg_len;
struct rtattr *tb[RTA_MAX+1]; struct rtattr *tb[RTA_MAX+1];
char abuf[256];
char obuf[256]; char obuf[256];
SPRINT_BUF(b1); SPRINT_BUF(b1);
@ -126,16 +125,14 @@ int print_mroute(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
len = snprintf(obuf, sizeof(obuf), len = snprintf(obuf, sizeof(obuf),
"(%s, ", rt_addr_n2a(family, "(%s, ", rt_addr_n2a(family,
RTA_PAYLOAD(tb[RTA_SRC]), RTA_PAYLOAD(tb[RTA_SRC]),
RTA_DATA(tb[RTA_SRC]), RTA_DATA(tb[RTA_SRC])));
abuf, sizeof(abuf)));
else else
len = sprintf(obuf, "(unknown, "); len = sprintf(obuf, "(unknown, ");
if (tb[RTA_DST]) if (tb[RTA_DST])
snprintf(obuf + len, sizeof(obuf) - len, snprintf(obuf + len, sizeof(obuf) - len,
"%s)", rt_addr_n2a(family, "%s)", rt_addr_n2a(family,
RTA_PAYLOAD(tb[RTA_DST]), RTA_PAYLOAD(tb[RTA_DST]),
RTA_DATA(tb[RTA_DST]), RTA_DATA(tb[RTA_DST])));
abuf, sizeof(abuf)));
else else
snprintf(obuf + len, sizeof(obuf) - len, "unknown) "); snprintf(obuf + len, sizeof(obuf) - len, "unknown) ");

5
ip/ipprefix.c
View File

@ -75,15 +75,12 @@ int print_prefix(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
if (tb[PREFIX_ADDRESS]) { if (tb[PREFIX_ADDRESS]) {
struct in6_addr *pfx; struct in6_addr *pfx;
char abuf[256];
pfx = (struct in6_addr *)RTA_DATA(tb[PREFIX_ADDRESS]); pfx = (struct in6_addr *)RTA_DATA(tb[PREFIX_ADDRESS]);
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "%s", rt_addr_n2a(family, fprintf(fp, "%s", rt_addr_n2a(family,
RTA_PAYLOAD(tb[PREFIX_ADDRESS]), RTA_PAYLOAD(tb[PREFIX_ADDRESS]),
pfx, pfx));
abuf, sizeof(abuf)));
} }
fprintf(fp, "/%u ", prefix->prefix_len); fprintf(fp, "/%u ", prefix->prefix_len);

10
ip/iproute.c
View File

@ -318,7 +318,6 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
struct rtmsg *r = NLMSG_DATA(n); struct rtmsg *r = NLMSG_DATA(n);
int len = n->nlmsg_len; int len = n->nlmsg_len;
struct rtattr *tb[RTA_MAX+1]; struct rtattr *tb[RTA_MAX+1];
char abuf[256];
int host_len; int host_len;
__u32 table; __u32 table;
@ -373,8 +372,7 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
if (r->rtm_dst_len != host_len) { if (r->rtm_dst_len != host_len) {
fprintf(fp, "%s/%u ", rt_addr_n2a(r->rtm_family, fprintf(fp, "%s/%u ", rt_addr_n2a(r->rtm_family,
RTA_PAYLOAD(tb[RTA_DST]), RTA_PAYLOAD(tb[RTA_DST]),
RTA_DATA(tb[RTA_DST]), RTA_DATA(tb[RTA_DST])),
abuf, sizeof(abuf)),
r->rtm_dst_len r->rtm_dst_len
); );
} else { } else {
@ -392,8 +390,7 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
if (r->rtm_src_len != host_len) { if (r->rtm_src_len != host_len) {
fprintf(fp, "from %s/%u ", rt_addr_n2a(r->rtm_family, fprintf(fp, "from %s/%u ", rt_addr_n2a(r->rtm_family,
RTA_PAYLOAD(tb[RTA_SRC]), RTA_PAYLOAD(tb[RTA_SRC]),
RTA_DATA(tb[RTA_SRC]), RTA_DATA(tb[RTA_SRC])),
abuf, sizeof(abuf)),
r->rtm_src_len r->rtm_src_len
); );
} else { } else {
@ -452,8 +449,7 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
fprintf(fp, " src %s ", fprintf(fp, " src %s ",
rt_addr_n2a(r->rtm_family, rt_addr_n2a(r->rtm_family,
RTA_PAYLOAD(tb[RTA_PREFSRC]), RTA_PAYLOAD(tb[RTA_PREFSRC]),
RTA_DATA(tb[RTA_PREFSRC]), RTA_DATA(tb[RTA_PREFSRC])));
abuf, sizeof(abuf)));
} }
if (tb[RTA_PRIORITY]) if (tb[RTA_PRIORITY])
fprintf(fp, " metric %u ", rta_getattr_u32(tb[RTA_PRIORITY])); fprintf(fp, " metric %u ", rta_getattr_u32(tb[RTA_PRIORITY]));

7
ip/iproute_lwtunnel.c
View File

@ -70,7 +70,6 @@ static void print_encap_mpls(FILE *fp, struct rtattr *encap)
static void print_encap_ip(FILE *fp, struct rtattr *encap) static void print_encap_ip(FILE *fp, struct rtattr *encap)
{ {
struct rtattr *tb[LWTUNNEL_IP_MAX+1]; struct rtattr *tb[LWTUNNEL_IP_MAX+1];
char abuf[256];
parse_rtattr_nested(tb, LWTUNNEL_IP_MAX, encap); parse_rtattr_nested(tb, LWTUNNEL_IP_MAX, encap);
@ -81,15 +80,13 @@ static void print_encap_ip(FILE *fp, struct rtattr *encap)
fprintf(fp, "src %s ", fprintf(fp, "src %s ",
rt_addr_n2a(AF_INET, rt_addr_n2a(AF_INET,
RTA_PAYLOAD(tb[LWTUNNEL_IP_SRC]), RTA_PAYLOAD(tb[LWTUNNEL_IP_SRC]),
RTA_DATA(tb[LWTUNNEL_IP_SRC]), RTA_DATA(tb[LWTUNNEL_IP_SRC])));
abuf, sizeof(abuf)));
if (tb[LWTUNNEL_IP_DST]) if (tb[LWTUNNEL_IP_DST])
fprintf(fp, "dst %s ", fprintf(fp, "dst %s ",
rt_addr_n2a(AF_INET, rt_addr_n2a(AF_INET,
RTA_PAYLOAD(tb[LWTUNNEL_IP_DST]), RTA_PAYLOAD(tb[LWTUNNEL_IP_DST]),
RTA_DATA(tb[LWTUNNEL_IP_DST]), RTA_DATA(tb[LWTUNNEL_IP_DST])));
abuf, sizeof(abuf)));
if (tb[LWTUNNEL_IP_TTL]) if (tb[LWTUNNEL_IP_TTL])
fprintf(fp, "ttl %d ", rta_getattr_u8(tb[LWTUNNEL_IP_TTL])); fprintf(fp, "ttl %d ", rta_getattr_u8(tb[LWTUNNEL_IP_TTL]));

8
ip/iprule.c
View File

@ -57,8 +57,6 @@ int print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
int host_len = -1; int host_len = -1;
__u32 table; __u32 table;
struct rtattr *tb[FRA_MAX+1]; struct rtattr *tb[FRA_MAX+1];
char abuf[256];
SPRINT_BUF(b1); SPRINT_BUF(b1);
if (n->nlmsg_type != RTM_NEWRULE && n->nlmsg_type != RTM_DELRULE) if (n->nlmsg_type != RTM_NEWRULE && n->nlmsg_type != RTM_DELRULE)
@ -87,8 +85,7 @@ int print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
if (r->rtm_src_len != host_len) { if (r->rtm_src_len != host_len) {
fprintf(fp, "from %s/%u ", rt_addr_n2a(r->rtm_family, fprintf(fp, "from %s/%u ", rt_addr_n2a(r->rtm_family,
RTA_PAYLOAD(tb[FRA_SRC]), RTA_PAYLOAD(tb[FRA_SRC]),
RTA_DATA(tb[FRA_SRC]), RTA_DATA(tb[FRA_SRC])),
abuf, sizeof(abuf)),
r->rtm_src_len r->rtm_src_len
); );
} else { } else {
@ -107,8 +104,7 @@ int print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
if (r->rtm_dst_len != host_len) { if (r->rtm_dst_len != host_len) {
fprintf(fp, "to %s/%u ", rt_addr_n2a(r->rtm_family, fprintf(fp, "to %s/%u ", rt_addr_n2a(r->rtm_family,
RTA_PAYLOAD(tb[FRA_DST]), RTA_PAYLOAD(tb[FRA_DST]),
RTA_DATA(tb[FRA_DST]), RTA_DATA(tb[FRA_DST])),
abuf, sizeof(abuf)),
r->rtm_dst_len r->rtm_dst_len
); );
} else { } else {

2
ip/iptunnel.c
View File

@ -309,7 +309,7 @@ static void print_tunnel(struct ip_tunnel_parm *p)
p->name, p->name,
tnl_strproto(p->iph.protocol), tnl_strproto(p->iph.protocol),
p->iph.daddr ? format_host_r(AF_INET, 4, &p->iph.daddr, s1, sizeof(s1)) : "any", p->iph.daddr ? format_host_r(AF_INET, 4, &p->iph.daddr, s1, sizeof(s1)) : "any",
p->iph.saddr ? rt_addr_n2a(AF_INET, 4, &p->iph.saddr, s2, sizeof(s2)) : "any"); p->iph.saddr ? rt_addr_n2a_r(AF_INET, 4, &p->iph.saddr, s2, sizeof(s2)) : "any");
if (p->iph.protocol == IPPROTO_IPV6 && (p->i_flags & SIT_ISATAP)) { if (p->iph.protocol == IPPROTO_IPV6 && (p->i_flags & SIT_ISATAP)) {
struct ip_tunnel_prl prl[16]; struct ip_tunnel_prl prl[16];

29
ip/ipxfrm.c
View File

@ -285,17 +285,11 @@ void xfrm_id_info_print(xfrm_address_t *saddr, struct xfrm_id *id,
__u8 mode, __u32 reqid, __u16 family, int force_spi, __u8 mode, __u32 reqid, __u16 family, int force_spi,
FILE *fp, const char *prefix, const char *title) FILE *fp, const char *prefix, const char *title)
{ {
char abuf[256];
if (title) if (title)
fputs(title, fp); fputs(title, fp);
memset(abuf, '\0', sizeof(abuf)); fprintf(fp, "src %s ", rt_addr_n2a(family, sizeof(*saddr), saddr));
fprintf(fp, "src %s ", rt_addr_n2a(family, sizeof(*saddr), fprintf(fp, "dst %s", rt_addr_n2a(family, sizeof(id->daddr), &id->daddr));
saddr, abuf, sizeof(abuf)));
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "dst %s", rt_addr_n2a(family, sizeof(id->daddr),
&id->daddr, abuf, sizeof(abuf)));
fprintf(fp, "%s", _SL_); fprintf(fp, "%s", _SL_);
if (prefix) if (prefix)
@ -447,7 +441,6 @@ void xfrm_lifetime_print(struct xfrm_lifetime_cfg *cfg,
void xfrm_selector_print(struct xfrm_selector *sel, __u16 family, void xfrm_selector_print(struct xfrm_selector *sel, __u16 family,
FILE *fp, const char *prefix) FILE *fp, const char *prefix)
{ {
char abuf[256];
__u16 f; __u16 f;
f = sel->family; f = sel->family;
@ -459,16 +452,12 @@ void xfrm_selector_print(struct xfrm_selector *sel, __u16 family,
if (prefix) if (prefix)
fputs(prefix, fp); fputs(prefix, fp);
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "src %s/%u ", fprintf(fp, "src %s/%u ",
rt_addr_n2a(f, sizeof(sel->saddr), &sel->saddr, rt_addr_n2a(f, sizeof(sel->saddr), &sel->saddr),
abuf, sizeof(abuf)),
sel->prefixlen_s); sel->prefixlen_s);
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "dst %s/%u ", fprintf(fp, "dst %s/%u ",
rt_addr_n2a(f, sizeof(sel->daddr), &sel->daddr, rt_addr_n2a(f, sizeof(sel->daddr), &sel->daddr),
abuf, sizeof(abuf)),
sel->prefixlen_d); sel->prefixlen_d);
if (sel->proto) if (sel->proto)
@ -740,7 +729,6 @@ void xfrm_xfrma_print(struct rtattr *tb[], __u16 family,
if (tb[XFRMA_ENCAP]) { if (tb[XFRMA_ENCAP]) {
struct xfrm_encap_tmpl *e; struct xfrm_encap_tmpl *e;
char abuf[256];
if (prefix) if (prefix)
fputs(prefix, fp); fputs(prefix, fp);
@ -768,10 +756,8 @@ void xfrm_xfrma_print(struct rtattr *tb[], __u16 family,
fprintf(fp, "sport %u ", ntohs(e->encap_sport)); fprintf(fp, "sport %u ", ntohs(e->encap_sport));
fprintf(fp, "dport %u ", ntohs(e->encap_dport)); fprintf(fp, "dport %u ", ntohs(e->encap_dport));
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "addr %s", fprintf(fp, "addr %s",
rt_addr_n2a(family, sizeof(e->encap_oa), &e->encap_oa, rt_addr_n2a(family, sizeof(e->encap_oa), &e->encap_oa));
abuf, sizeof(abuf)));
fprintf(fp, "%s", _SL_); fprintf(fp, "%s", _SL_);
} }
@ -783,7 +769,6 @@ void xfrm_xfrma_print(struct rtattr *tb[], __u16 family,
} }
if (tb[XFRMA_COADDR]) { if (tb[XFRMA_COADDR]) {
char abuf[256];
xfrm_address_t *coa; xfrm_address_t *coa;
if (prefix) if (prefix)
@ -798,10 +783,8 @@ void xfrm_xfrma_print(struct rtattr *tb[], __u16 family,
return; return;
} }
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "%s", fprintf(fp, "%s",
rt_addr_n2a(family, sizeof(*coa), coa, rt_addr_n2a(family, sizeof(*coa), coa));
abuf, sizeof(abuf)));
fprintf(fp, "%s", _SL_); fprintf(fp, "%s", _SL_);
} }

7
ip/link_ip6tnl.c
View File

@ -260,7 +260,6 @@ get_failed:
static void ip6tunnel_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) static void ip6tunnel_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{ {
char s1[256];
char s2[64]; char s2[64];
int flags = 0; int flags = 0;
__u32 flowinfo = 0; __u32 flowinfo = 0;
@ -292,16 +291,14 @@ static void ip6tunnel_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb
fprintf(f, "remote %s ", fprintf(f, "remote %s ",
rt_addr_n2a(AF_INET6, rt_addr_n2a(AF_INET6,
RTA_PAYLOAD(tb[IFLA_IPTUN_REMOTE]), RTA_PAYLOAD(tb[IFLA_IPTUN_REMOTE]),
RTA_DATA(tb[IFLA_IPTUN_REMOTE]), RTA_DATA(tb[IFLA_IPTUN_REMOTE])));
s1, sizeof(s1)));
} }
if (tb[IFLA_IPTUN_LOCAL]) { if (tb[IFLA_IPTUN_LOCAL]) {
fprintf(f, "local %s ", fprintf(f, "local %s ",
rt_addr_n2a(AF_INET6, rt_addr_n2a(AF_INET6,
RTA_PAYLOAD(tb[IFLA_IPTUN_LOCAL]), RTA_PAYLOAD(tb[IFLA_IPTUN_LOCAL]),
RTA_DATA(tb[IFLA_IPTUN_LOCAL]), RTA_DATA(tb[IFLA_IPTUN_LOCAL])));
s1, sizeof(s1)));
} }
if (tb[IFLA_IPTUN_LINK] && rta_getattr_u32(tb[IFLA_IPTUN_LINK])) { if (tb[IFLA_IPTUN_LINK] && rta_getattr_u32(tb[IFLA_IPTUN_LINK])) {

16
ip/xfrm_monitor.c
View File

@ -227,12 +227,8 @@ static void xfrm_ae_flags_print(__u32 flags, void *arg)
static void xfrm_usersa_print(const struct xfrm_usersa_id *sa_id, __u32 reqid, FILE *fp) static void xfrm_usersa_print(const struct xfrm_usersa_id *sa_id, __u32 reqid, FILE *fp)
{ {
char buf[256];
buf[0] = 0;
fprintf(fp, "dst %s ", fprintf(fp, "dst %s ",
rt_addr_n2a(sa_id->family, sizeof(sa_id->daddr), &sa_id->daddr, rt_addr_n2a(sa_id->family, sizeof(sa_id->daddr), &sa_id->daddr));
buf, sizeof(buf)));
fprintf(fp, " reqid 0x%x", reqid); fprintf(fp, " reqid 0x%x", reqid);
@ -245,15 +241,12 @@ static int xfrm_ae_print(const struct sockaddr_nl *who,
{ {
FILE *fp = (FILE *)arg; FILE *fp = (FILE *)arg;
struct xfrm_aevent_id *id = NLMSG_DATA(n); struct xfrm_aevent_id *id = NLMSG_DATA(n);
char abuf[256];
fprintf(fp, "Async event "); fprintf(fp, "Async event ");
xfrm_ae_flags_print(id->flags, arg); xfrm_ae_flags_print(id->flags, arg);
fprintf(fp, "\n\t"); fprintf(fp, "\n\t");
memset(abuf, '\0', sizeof(abuf));
fprintf(fp, "src %s ", rt_addr_n2a(id->sa_id.family, fprintf(fp, "src %s ", rt_addr_n2a(id->sa_id.family,
sizeof(id->saddr), &id->saddr, sizeof(id->saddr), &id->saddr));
abuf, sizeof(abuf)));
xfrm_usersa_print(&id->sa_id, id->reqid, fp); xfrm_usersa_print(&id->sa_id, id->reqid, fp);
@ -265,10 +258,7 @@ static int xfrm_ae_print(const struct sockaddr_nl *who,
static void xfrm_print_addr(FILE *fp, int family, xfrm_address_t *a) static void xfrm_print_addr(FILE *fp, int family, xfrm_address_t *a)
{ {
char buf[256]; fprintf(fp, "%s", rt_addr_n2a(family, sizeof(*a), a));
buf[0] = 0;
fprintf(fp, "%s", rt_addr_n2a(family, sizeof(*a), a, buf, sizeof(buf)));
} }
static int xfrm_mapping_print(const struct sockaddr_nl *who, static int xfrm_mapping_print(const struct sockaddr_nl *who,

11
lib/utils.c
View File

@ -702,7 +702,7 @@ int __get_user_hz(void)
return sysconf(_SC_CLK_TCK); return sysconf(_SC_CLK_TCK);
} }
const char *rt_addr_n2a(int af, int len, const void *addr, char *buf, int buflen) const char *rt_addr_n2a_r(int af, int len, const void *addr, char *buf, int buflen)
{ {
switch (af) { switch (af) {
case AF_INET: case AF_INET:
@ -725,6 +725,13 @@ const char *rt_addr_n2a(int af, int len, const void *addr, char *buf, int buflen
} }
} }
const char *rt_addr_n2a(int af, int len, const void *addr)
{
static char buf[256];
return rt_addr_n2a_r(af, len, addr, buf, 256);
}
int read_family(const char *name) int read_family(const char *name)
{ {
int family = AF_UNSPEC; int family = AF_UNSPEC;
@ -832,7 +839,7 @@ const char *format_host_r(int af, int len, const void *addr,
return n; return n;
} }
#endif #endif
return rt_addr_n2a(af, len, addr, buf, buflen); return rt_addr_n2a_r(af, len, addr, buf, buflen);
} }
const char *format_host(int af, int len, const void *addr) const char *format_host(int af, int len, const void *addr)

7
tc/f_flower.c
View File

@ -394,7 +394,6 @@ static void flower_print_ip_addr(FILE *f, char *name, __be16 eth_type,
struct rtattr *addr6_attr, struct rtattr *addr6_attr,
struct rtattr *mask6_attr) struct rtattr *mask6_attr)
{ {
SPRINT_BUF(b1);
struct rtattr *addr_attr; struct rtattr *addr_attr;
struct rtattr *mask_attr; struct rtattr *mask_attr;
int family; int family;
@ -418,16 +417,14 @@ static void flower_print_ip_addr(FILE *f, char *name, __be16 eth_type,
return; return;
fprintf(f, "\n %s %s", name, rt_addr_n2a(family, fprintf(f, "\n %s %s", name, rt_addr_n2a(family,
RTA_PAYLOAD(addr_attr), RTA_PAYLOAD(addr_attr),
RTA_DATA(addr_attr), RTA_DATA(addr_attr)));
b1, sizeof(b1)));
if (!mask_attr || RTA_PAYLOAD(mask_attr) != len) if (!mask_attr || RTA_PAYLOAD(mask_attr) != len)
return; return;
bits = __mask_bits(RTA_DATA(mask_attr), len); bits = __mask_bits(RTA_DATA(mask_attr), len);
if (bits < 0) if (bits < 0)
fprintf(f, "/%s", rt_addr_n2a(family, fprintf(f, "/%s", rt_addr_n2a(family,
RTA_PAYLOAD(mask_attr), RTA_PAYLOAD(mask_attr),
RTA_DATA(mask_attr), RTA_DATA(mask_attr)));
b1, sizeof(b1)));
else if (bits < len * 8) else if (bits < len * 8)
fprintf(f, "/%d", bits); fprintf(f, "/%d", bits);
} }