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networking/interface.c: get rid of global "smallint interface_opt_a"

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-03-05 17:46:17 +01:00
parent 8a5299fcfd
commit 82ec89480d
3 changed files with 20 additions and 27 deletions
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2
include/libbb.h
View File

@ -1367,7 +1367,7 @@ struct hwtype {
int FAST_FUNC (*activate)(int fd);
int suppress_null_addr;
};
extern smallint interface_opt_a;
#define IFNAME_SHOW_DOWNED_TOO ((char*)(intptr_t)1)
int display_interfaces(char *ifname) FAST_FUNC;
int in_ether(const char *bufp, struct sockaddr *sap) FAST_FUNC;
#if ENABLE_FEATURE_HWIB

8
networking/ifconfig.c
View File

@ -338,6 +338,7 @@ int ifconfig_main(int argc UNUSED_PARAM, char **argv)
char *p;
/*char host[128];*/
const char *host = NULL; /* make gcc happy */
IF_FEATURE_IFCONFIG_STATUS(char *show_all_param;)
did_flags = 0;
#if ENABLE_FEATURE_IFCONFIG_BROADCAST_PLUS
@ -349,15 +350,16 @@ int ifconfig_main(int argc UNUSED_PARAM, char **argv)
++argv;
#if ENABLE_FEATURE_IFCONFIG_STATUS
if (argv[0] && (argv[0][0] == '-' && argv[0][1] == 'a' && !argv[0][2])) {
interface_opt_a = 1;
show_all_param = NULL;
if (argv[0] && argv[0][0] == '-' && argv[0][1] == 'a' && !argv[0][2]) {
++argv;
show_all_param = IFNAME_SHOW_DOWNED_TOO;
}
#endif
if (!argv[0] || !argv[1]) { /* one or no args */
#if ENABLE_FEATURE_IFCONFIG_STATUS
return display_interfaces(argv[0] /* can be NULL */);
return display_interfaces(argv[0] ? argv[0] : show_all_param);
#else
bb_error_msg_and_die("no support for status display");
#endif

37
networking/interface.c
View File

@ -342,8 +342,6 @@ struct interface {
};
smallint interface_opt_a; /* show all interfaces */
static struct interface *int_list, *int_last;
@ -1086,13 +1084,13 @@ static void ife_print(struct interface *ptr)
bb_putchar('\n');
}
static int do_if_print(struct interface *ife) /*, int *opt_a)*/
static int do_if_print(struct interface *ife, int show_downed_too)
{
int res;
res = do_if_fetch(ife);
if (res >= 0) {
if ((ife->flags & IFF_UP) || interface_opt_a)
if ((ife->flags & IFF_UP) || show_downed_too)
ife_print(ife);
}
return res;
@ -1128,40 +1126,33 @@ static int for_all_interfaces(int (*doit) (struct interface *, void *),
}
#endif
/* for ipv4 add/del modes */
static int if_print(char *ifname)
int FAST_FUNC display_interfaces(char *ifname)
{
struct interface *ife;
int res;
if (!ifname) {
if (!ifname || ifname == IFNAME_SHOW_DOWNED_TOO) {
/*res = for_all_interfaces(do_if_print, &interface_opt_a);*/
if (!int_list) {
int err = if_readlist();
if (err < 0)
return err;
res = if_readlist();
if (res < 0)
goto ret;
}
for (ife = int_list; ife; ife = ife->next) {
int err = do_if_print(ife); /*, &interface_opt_a);*/
if (err)
return err;
BUILD_BUG_ON((int)(intptr_t)IFNAME_SHOW_DOWNED_TOO != 1);
res = do_if_print(ife, (int)(intptr_t)ifname);
if (res < 0)
goto ret;
}
return 0;
}
ife = lookup_interface(ifname);
res = do_if_fetch(ife);
if (res >= 0)
ife_print(ife);
return res;
}
int FAST_FUNC display_interfaces(char *ifname)
{
int status;
status = if_print(ifname);
return (status < 0); /* status < 0 == 1 -- error */
ret:
return (res < 0); /* status < 0 == 1 -- error */
}
#if ENABLE_FEATURE_HWIB