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ifupdown: small optimization (avoid doing useless work if we are

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not going to update state file)
This commit is contained in:
Denis Vlasenko 2007-05-02 22:22:23 +00:00
parent 3c82e48923
commit f92df58d3d
1 changed files with 10 additions and 10 deletions
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10
networking/ifupdown.c
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@ -1239,8 +1239,10 @@ int ifupdown_main(int argc, char **argv)
if (!okay && !FORCE) { if (!okay && !FORCE) {
bb_error_msg("ignoring unknown interface %s", liface); bb_error_msg("ignoring unknown interface %s", liface);
any_failures = 1; any_failures = 1;
} else { } else if (!NO_ACT) {
/* update the state file */ /* update the state file */
FILE *state_fp;
llist_t *state;
llist_t *state_list = read_iface_state(); llist_t *state_list = read_iface_state();
llist_t *iface_state = find_iface_state(state_list, iface); llist_t *iface_state = find_iface_state(state_list, iface);
@ -1259,9 +1261,8 @@ int ifupdown_main(int argc, char **argv)
} }
/* Actually write the new state */ /* Actually write the new state */
if (!NO_ACT) { state_fp = xfopen("/var/run/ifstate", "w");
FILE *state_fp = xfopen("/var/run/ifstate", "w"); state = state_list;
llist_t *state = state_list;
while (state) { while (state) {
if (state->data) { if (state->data) {
fprintf(state_fp, "%s\n", state->data); fprintf(state_fp, "%s\n", state->data);
@ -1269,7 +1270,6 @@ int ifupdown_main(int argc, char **argv)
state = state->link; state = state->link;
} }
fclose(state_fp); fclose(state_fp);
}
llist_free(state_list, free); llist_free(state_list, free);
} }
} }