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*: s/IF_NAMESIZE/IFNAMSIZ/, regularize its use a bit.

Browse Source 
function                                             old     new   delta
strncpy_IFNAMSIZ                                       -      13     +13
set_slave_mtu                                         39      37      -2
set_slave_hwaddr                                      52      50      -2
set_master_hwaddr                                     52      50      -2
set_if_flags                                          40      38      -2
get_if_settings                                      101      98      -3
ifenslave_main                                      1680    1661     -19
vconfig_main                                         306     280     -26
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/7 up/down: 13/-56)            Total: -43 bytes
This commit is contained in:
Denis Vlasenko 2008-04-21 02:21:45 +00:00
parent 0a1446275d
commit 01eaee9309
7 changed files with 47 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
networking/Config.in
View File

@ -576,7 +576,7 @@ config NAMEIF
Renamed interfaces MUST be in the down state. Renamed interfaces MUST be in the down state.
It is possible to use a file (default: /etc/mactab) It is possible to use a file (default: /etc/mactab)
with list of new interface names and MACs. with list of new interface names and MACs.
Maximum interface name length: IF_NAMESIZE = 16 Maximum interface name length: IFNAMSIZ = 16
File fields are separated by space or tab. File fields are separated by space or tab.
File format: File format:
# Comment # Comment

4
networking/brctl.c
View File

@ -137,7 +137,7 @@ int brctl_main(int argc ATTRIBUTE_UNUSED, char **argv)
if (!if_indextoname(bridx[i], brname)) if (!if_indextoname(bridx[i], brname))
bb_perror_msg_and_die("can't get bridge name for index %d", i); bb_perror_msg_and_die("can't get bridge name for index %d", i);
safe_strncpy(ifr.ifr_name, brname, IFNAMSIZ); strncpy(ifr.ifr_name, brname, IFNAMSIZ);
arm_ioctl(args, BRCTL_GET_BRIDGE_INFO, arm_ioctl(args, BRCTL_GET_BRIDGE_INFO,
(unsigned long) &bi, 0); (unsigned long) &bi, 0);
@ -191,7 +191,7 @@ int brctl_main(int argc ATTRIBUTE_UNUSED, char **argv)
if (!*argv) /* all but 'addif/delif' need at least two arguments */ if (!*argv) /* all but 'addif/delif' need at least two arguments */
bb_show_usage(); bb_show_usage();
safe_strncpy(ifr.ifr_name, br, IFNAMSIZ); strncpy(ifr.ifr_name, br, IFNAMSIZ);
if (key == ARG_addif || key == ARG_delif) { /* addif or delif */ if (key == ARG_addif || key == ARG_delif) { /* addif or delif */
brif = *argv; brif = *argv;
ifr.ifr_ifindex = if_nametoindex(brif); ifr.ifr_ifindex = if_nametoindex(brif);

2
networking/ifconfig.c
View File

@ -315,7 +315,7 @@ int ifconfig_main(int argc, char **argv)
sockfd = xsocket(AF_INET, SOCK_DGRAM, 0); sockfd = xsocket(AF_INET, SOCK_DGRAM, 0);
/* get interface name */ /* get interface name */
safe_strncpy(ifr.ifr_name, *argv, IFNAMSIZ); strncpy(ifr.ifr_name, *argv, IFNAMSIZ);
/* Process the remaining arguments. */ /* Process the remaining arguments. */
while (*++argv != (char *) NULL) { while (*++argv != (char *) NULL) {

40
networking/ifenslave.c
View File

@ -148,6 +148,10 @@ static void change_active(char *master_ifname, char *slave_ifname);
static int enslave(char *master_ifname, char *slave_ifname); static int enslave(char *master_ifname, char *slave_ifname);
static int release(char *master_ifname, char *slave_ifname); static int release(char *master_ifname, char *slave_ifname);
static void strncpy_IFNAMSIZ(char *dst, const char *src)
{
strncpy(dst, src, IFNAMSIZ);
}
int ifenslave_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int ifenslave_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ifenslave_main(int argc ATTRIBUTE_UNUSED, char **argv) int ifenslave_main(int argc ATTRIBUTE_UNUSED, char **argv)
@ -302,7 +306,7 @@ static void get_drv_info(char *master_ifname)
struct ethtool_drvinfo info; struct ethtool_drvinfo info;
memset(&ifr, 0, sizeof(ifr)); memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
ifr.ifr_data = (caddr_t)&info; ifr.ifr_data = (caddr_t)&info;
info.cmd = ETHTOOL_GDRVINFO; info.cmd = ETHTOOL_GDRVINFO;
@ -332,8 +336,8 @@ static void change_active(char *master_ifname, char *slave_ifname)
slave_ifname); slave_ifname);
} }
strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
strncpy(ifr.ifr_slave, slave_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_slave, slave_ifname);
if (ioctl(skfd, SIOCBONDCHANGEACTIVE, &ifr) < 0 if (ioctl(skfd, SIOCBONDCHANGEACTIVE, &ifr) < 0
&& ioctl(skfd, BOND_CHANGE_ACTIVE_OLD, &ifr) < 0 && ioctl(skfd, BOND_CHANGE_ACTIVE_OLD, &ifr) < 0
) { ) {
@ -448,8 +452,8 @@ static int enslave(char *master_ifname, char *slave_ifname)
} }
/* Do the real thing */ /* Do the real thing */
strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
strncpy(ifr.ifr_slave, slave_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_slave, slave_ifname);
if (ioctl(skfd, SIOCBONDENSLAVE, &ifr) < 0 if (ioctl(skfd, SIOCBONDENSLAVE, &ifr) < 0
&& ioctl(skfd, BOND_ENSLAVE_OLD, &ifr) < 0 && ioctl(skfd, BOND_ENSLAVE_OLD, &ifr) < 0
) { ) {
@ -484,8 +488,8 @@ static int release(char *master_ifname, char *slave_ifname)
return 1; return 1;
} }
strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
strncpy(ifr.ifr_slave, slave_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_slave, slave_ifname);
if (ioctl(skfd, SIOCBONDRELEASE, &ifr) < 0 if (ioctl(skfd, SIOCBONDRELEASE, &ifr) < 0
&& ioctl(skfd, BOND_RELEASE_OLD, &ifr) < 0 && ioctl(skfd, BOND_RELEASE_OLD, &ifr) < 0
) { ) {
@ -508,11 +512,11 @@ static int get_if_settings(char *ifname, struct dev_data *dd)
{ {
int res; int res;
strncpy(dd->mtu.ifr_name, ifname, IFNAMSIZ); strncpy_IFNAMSIZ(dd->mtu.ifr_name, ifname);
res = ioctl(skfd, SIOCGIFMTU, &dd->mtu); res = ioctl(skfd, SIOCGIFMTU, &dd->mtu);
strncpy(dd->flags.ifr_name, ifname, IFNAMSIZ); strncpy_IFNAMSIZ(dd->flags.ifr_name, ifname);
res |= ioctl(skfd, SIOCGIFFLAGS, &dd->flags); res |= ioctl(skfd, SIOCGIFFLAGS, &dd->flags);
strncpy(dd->hwaddr.ifr_name, ifname, IFNAMSIZ); strncpy_IFNAMSIZ(dd->hwaddr.ifr_name, ifname);
res |= ioctl(skfd, SIOCGIFHWADDR, &dd->hwaddr); res |= ioctl(skfd, SIOCGIFHWADDR, &dd->hwaddr);
return res; return res;
@ -520,7 +524,7 @@ static int get_if_settings(char *ifname, struct dev_data *dd)
static int get_slave_flags(char *slave_ifname) static int get_slave_flags(char *slave_ifname)
{ {
strncpy(slave.flags.ifr_name, slave_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(slave.flags.ifr_name, slave_ifname);
return ioctl(skfd, SIOCGIFFLAGS, &slave.flags); return ioctl(skfd, SIOCGIFFLAGS, &slave.flags);
} }
@ -528,7 +532,7 @@ static int set_master_hwaddr(char *master_ifname, struct sockaddr *hwaddr)
{ {
struct ifreq ifr; struct ifreq ifr;
strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
memcpy(&(ifr.ifr_hwaddr), hwaddr, sizeof(struct sockaddr)); memcpy(&(ifr.ifr_hwaddr), hwaddr, sizeof(struct sockaddr));
return ioctl(skfd, SIOCSIFHWADDR, &ifr); return ioctl(skfd, SIOCSIFHWADDR, &ifr);
} }
@ -537,7 +541,7 @@ static int set_slave_hwaddr(char *slave_ifname, struct sockaddr *hwaddr)
{ {
struct ifreq ifr; struct ifreq ifr;
strncpy(ifr.ifr_name, slave_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, slave_ifname);
memcpy(&(ifr.ifr_hwaddr), hwaddr, sizeof(struct sockaddr)); memcpy(&(ifr.ifr_hwaddr), hwaddr, sizeof(struct sockaddr));
return ioctl(skfd, SIOCSIFHWADDR, &ifr); return ioctl(skfd, SIOCSIFHWADDR, &ifr);
} }
@ -547,7 +551,7 @@ static int set_slave_mtu(char *slave_ifname, int mtu)
struct ifreq ifr; struct ifreq ifr;
ifr.ifr_mtu = mtu; ifr.ifr_mtu = mtu;
strncpy(ifr.ifr_name, slave_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, slave_ifname);
return ioctl(skfd, SIOCSIFMTU, &ifr); return ioctl(skfd, SIOCSIFMTU, &ifr);
} }
@ -556,7 +560,7 @@ static int set_if_flags(char *ifname, short flags)
struct ifreq ifr; struct ifreq ifr;
ifr.ifr_flags = flags; ifr.ifr_flags = flags;
strncpy(ifr.ifr_name, ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
return ioctl(skfd, SIOCSIFFLAGS, &ifr); return ioctl(skfd, SIOCSIFFLAGS, &ifr);
} }
@ -580,7 +584,7 @@ static int clear_if_addr(char *ifname)
{ {
struct ifreq ifr; struct ifreq ifr;
strncpy(ifr.ifr_name, ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
ifr.ifr_addr.sa_family = AF_INET; ifr.ifr_addr.sa_family = AF_INET;
memset(ifr.ifr_addr.sa_data, 0, sizeof(ifr.ifr_addr.sa_data)); memset(ifr.ifr_addr.sa_data, 0, sizeof(ifr.ifr_addr.sa_data));
return ioctl(skfd, SIOCSIFADDR, &ifr); return ioctl(skfd, SIOCSIFADDR, &ifr);
@ -603,7 +607,7 @@ static int set_if_addr(char *master_ifname, char *slave_ifname)
int i; int i;
for (i = 0; i < ARRAY_SIZE(ifra); i++) { for (i = 0; i < ARRAY_SIZE(ifra); i++) {
strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
res = ioctl(skfd, ifra[i].g_ioctl, &ifr); res = ioctl(skfd, ifra[i].g_ioctl, &ifr);
if (res < 0) { if (res < 0) {
ifr.ifr_addr.sa_family = AF_INET; ifr.ifr_addr.sa_family = AF_INET;
@ -611,7 +615,7 @@ static int set_if_addr(char *master_ifname, char *slave_ifname)
sizeof(ifr.ifr_addr.sa_data)); sizeof(ifr.ifr_addr.sa_data));
} }
strncpy(ifr.ifr_name, slave_ifname, IFNAMSIZ); strncpy_IFNAMSIZ(ifr.ifr_name, slave_ifname);
res = ioctl(skfd, ifra[i].s_ioctl, &ifr); res = ioctl(skfd, ifra[i].s_ioctl, &ifr);
if (res < 0) if (res < 0)
return res; return res;

2
networking/interface.c
View File

@ -388,7 +388,7 @@ static struct interface *add_interface(char *name)
} }
new = xzalloc(sizeof(*new)); new = xzalloc(sizeof(*new));
safe_strncpy(new->name, name, IFNAMSIZ); strncpy(new->name, name, IFNAMSIZ);
nextp = ife ? &ife->next : &int_list; nextp = ife ? &ife->next : &int_list;
new->prev = ife; new->prev = ife;
new->next = *nextp; new->next = *nextp;

13
networking/nameif.c
View File

@ -16,16 +16,11 @@
#include <netinet/ether.h> #include <netinet/ether.h>
#include <linux/sockios.h> #include <linux/sockios.h>
/* Older versions of net/if.h do not appear to define IF_NAMESIZE. */ #ifndef IFNAMSIZ
#ifndef IF_NAMESIZE #define IFNAMSIZ 16
# ifdef IFNAMSIZ
# define IF_NAMESIZE IFNAMSIZ
# else
# define IF_NAMESIZE 16
# endif
#endif #endif
/* take from linux/sockios.h */ /* Taken from linux/sockios.h */
#define SIOCSIFNAME 0x8923 /* set interface name */ #define SIOCSIFNAME 0x8923 /* set interface name */
/* Octets in one Ethernet addr, from <linux/if_ether.h> */ /* Octets in one Ethernet addr, from <linux/if_ether.h> */
@ -111,7 +106,7 @@ static void nameif_parse_selector(ethtable_t *ch, char *selector)
static void prepend_new_eth_table(ethtable_t **clist, char *ifname, char *selector) static void prepend_new_eth_table(ethtable_t **clist, char *ifname, char *selector)
{ {
ethtable_t *ch; ethtable_t *ch;
if (strlen(ifname) >= IF_NAMESIZE) if (strlen(ifname) >= IFNAMSIZ)
bb_error_msg_and_die("interface name '%s' too long", ifname); bb_error_msg_and_die("interface name '%s' too long", ifname);
ch = xzalloc(sizeof(*ch)); ch = xzalloc(sizeof(*ch));
ch->ifname = xstrdup(ifname); ch->ifname = xstrdup(ifname);

5
networking/vconfig.c
View File

@ -133,10 +133,7 @@ int vconfig_main(int argc, char **argv)
if (ifr.cmd == SET_VLAN_NAME_TYPE_CMD) { /* set_name_type */ if (ifr.cmd == SET_VLAN_NAME_TYPE_CMD) { /* set_name_type */
ifr.u.name_type = *xfind_str(name_types+1, argv[1]); ifr.u.name_type = *xfind_str(name_types+1, argv[1]);
} else { } else {
if (strlen(argv[1]) >= IF_NAMESIZE) { strncpy(ifr.device1, argv[1], IFNAMSIZ);
bb_error_msg_and_die("if_name >= %d chars", IF_NAMESIZE);
}
strcpy(ifr.device1, argv[1]);
p = argv[2]; p = argv[2];
/* I suppose one could try to combine some of the function calls below, /* I suppose one could try to combine some of the function calls below,