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Cleanup from Glenn McGrath.

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This commit is contained in:
Rob Landley 2006-02-28 03:53:14 +00:00
parent 0817313255
commit e813ddba18
1 changed files with 18 additions and 46 deletions
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64
networking/ifupdown.c
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@ -53,13 +53,12 @@
struct interface_defn_t;
typedef int (execfn)(char *command);
typedef int (command_set)(struct interface_defn_t *ifd, execfn *e);
struct method_t
{
char *name;
command_set *up;
command_set *down;
int (*up)(struct interface_defn_t *ifd, execfn *e);
int (*down)(struct interface_defn_t *ifd, execfn *e);
};
struct address_family_t
@ -92,15 +91,10 @@ struct variable_t
struct interface_defn_t
{
struct interface_defn_t *prev;
struct interface_defn_t *next;
char *iface;
struct address_family_t *address_family;
struct method_t *method;
int automatic;
char *iface;
int max_options;
int n_options;
struct variable_t *option;
@ -645,17 +639,6 @@ static struct method_t *get_method(struct address_family_t *af, char *name)
return(NULL);
}
static int duplicate_if(struct interface_defn_t *ifa, struct interface_defn_t *ifb)
{
if (strcmp(ifa->iface, ifb->iface) != 0) {
return(0);
}
if (ifa->address_family != ifb->address_family) {
return(0);
}
return(1);
}
static const llist_t *find_list_string(const llist_t *list, const char *string)
{
while (list) {
@ -778,22 +761,19 @@ static struct interfaces_file_t *read_interfaces(const char *filename)
return NULL;
}
currif->automatic = 1;
currif->max_options = 0;
currif->n_options = 0;
currif->option = NULL;
{
struct interface_defn_t *tmp;
llist_t *iface_list;
iface_list = defn->ifaces;
while (iface_list) {
tmp = (struct interface_defn_t *) iface_list->data;
if (duplicate_if(tmp, currif)) {
for (iface_list = defn->ifaces; iface_list; iface_list = iface_list->link) {
struct interface_defn_t *tmp = (struct interface_defn_t *) iface_list->data;
if ((strcmp(tmp->iface, currif->iface) == 0) ||
(tmp->address_family == currif->address_family)) {
bb_error_msg("duplicate interface \"%s\"", tmp->iface);
return NULL;
}
iface_list = iface_list->link;
}
defn->ifaces = llist_add_to_end(defn->ifaces, (char*)currif);
@ -896,7 +876,7 @@ static struct interfaces_file_t *read_interfaces(const char *filename)
return defn;
}
static char *setlocalenv(char *format, char *name, char *value)
static char *setlocalenv(char *format, const char *name, const char *value)
{
char *result;
char *here;
@ -922,7 +902,7 @@ static char *setlocalenv(char *format, char *name, char *value)
return result;
}
static void set_environ(struct interface_defn_t *iface, char *mode)
static void set_environ(struct interface_defn_t *iface, const char *mode)
{
char **environend;
int i;
@ -989,20 +969,20 @@ static int doit(char *str)
return (1);
}
static int execute_all(struct interface_defn_t *ifd, execfn *exec, const char *opt)
static int execute_all(struct interface_defn_t *ifd, const char *opt)
{
int i;
char *buf;
for (i = 0; i < ifd->n_options; i++) {
if (strcmp(ifd->option[i].name, opt) == 0) {
if (!(*exec) (ifd->option[i].value)) {
if (!doit(ifd->option[i].value)) {
return 0;
}
}
}
buf = bb_xasprintf("run-parts /etc/network/if-%s.d", opt);
if ((*exec)(buf) != 1) {
if (doit(buf) != 1) {
return 0;
}
return 1;
@ -1016,9 +996,9 @@ static int iface_up(struct interface_defn_t *iface)
{
if (!iface->method->up(iface,check)) return -1;
set_environ(iface, "start");
if (!execute_all(iface, doit, "pre-up")) return 0;
if (!execute_all(iface, "pre-up")) return 0;
if (!iface->method->up(iface, doit)) return 0;
if (!execute_all(iface, doit, "up")) return 0;
if (!execute_all(iface, "up")) return 0;
return 1;
}
@ -1026,9 +1006,9 @@ static int iface_down(struct interface_defn_t *iface)
{
if (!iface->method->down(iface,check)) return -1;
set_environ(iface, "stop");
if (!execute_all(iface, doit, "down")) return 0;
if (!execute_all(iface, "down")) return 0;
if (!iface->method->down(iface, doit)) return 0;
if (!execute_all(iface, doit, "post-down")) return 0;
if (!execute_all(iface, "post-down")) return 0;
return 1;
}
@ -1373,7 +1353,7 @@ extern int ifupdown_main(int argc, char **argv)
free(iface_state->data);
iface_state->data = newiface;
}
} else if (cmds == iface_down) {
} else {
/* Remove an interface from the linked list */
if (iface_state) {
/* This needs to be done better */
@ -1395,14 +1375,7 @@ extern int ifupdown_main(int argc, char **argv)
if (!no_act) {
FILE *state_fp = NULL;
state_fp = bb_xfopen(statefile, "a+");
if (ftruncate(fileno(state_fp), 0) < 0) {
bb_error_msg_and_die("failed to truncate statefile %s: %s", statefile, strerror(errno));
}
rewind(state_fp);
state_fp = bb_xfopen(statefile, "w");
while (state_list) {
if (state_list->data) {
fputs(state_list->data, state_fp);
@ -1410,7 +1383,6 @@ extern int ifupdown_main(int argc, char **argv)
}
state_list = state_list->link;
}
fflush(state_fp);
fclose(state_fp);
}