void do_firedns_getmx(firedns_state* state, char * string) {
int fd;
fd_set s;
int n;
struct timeval tv;
char *m;
fprintf(stderr,"taking firedns_getmx(%s): ",string);
fd = firedns_getmx(state, string);
fprintf(stderr,"%d\n",fd);
if (fd == -1)
return;
tv.tv_sec = 5;
tv.tv_usec = 0;
FD_ZERO(&s);
FD_SET(fd,&s);
n = select(fd + 1,&s,NULL,NULL,&tv);
(void) n;
m = firedns_getresult(state, fd);
fprintf(stderr,"getting result: %s\n",m);
}
static inline char *firedns_resolvemx_i(const char *const name, char *(*result)(int)) {
int fd;
int t,i;
char *ret;
fd_set s;
struct timeval tv;
for (t = 0; t < FIREDNS_TRIES; t++) {
fd = firedns_getmx(name);
if (fd == -1)
return NULL;
tv.tv_sec = 5;
tv.tv_usec = 0;
FD_ZERO(&s);
FD_SET(fd,&s);
i = select(fd + 1,&s,NULL,NULL,&tv);
ret = result(fd);
if (ret != NULL || i != 0)
return ret;
}
return NULL;
}
char *firedns_resolvemx(firedns_state* self, const char* name) {
int fd;
int t,i;
char * restrict ret;
fd_set s;
struct timeval tv;
for (t = 0; t < FIREDNS_TRIES; t++) {
fd = firedns_getmx(self, name);
if (fd == -1) {
return NULL;
}
tv.tv_sec = 5;
tv.tv_usec = 0;
FD_ZERO(&s);
FD_SET(fd,&s);
i = select(fd + 1,&s,NULL,NULL,&tv);
ret = firedns_getresult(self, fd);
if (ret != NULL || i != 0) {
return ret;
}
}
return NULL;
}
