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Remove while(1)

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This commit is contained in:
Adrien Gallouët
2017-01-19 12:47:06 +00:00
parent 0664fc3b21
commit 9cebabfe01
1 changed files with 17 additions and 13 deletions
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30
src/main.c
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@@ -439,28 +439,32 @@ main(int argc, char **argv)
}
if (FD_ISSET(mud_fd, &rfds)) {
while (1) {
const int size = mud_recv(mud, buf, sizeof(buf));
size_t size = 0;
if (size <= 0) {
if (size == -1 && errno != EAGAIN)
while (sizeof(buf) - size >= gt.mtu) {
const int r = mud_recv(mud, &buf[size], sizeof(buf) - size);
if (r <= 0) {
if (r == -1 && errno != EAGAIN)
perror("mud_recv");
break;
}
int p = 0;
size += r;
}
while (p < size) {
struct ip_common ic;
int p = 0;
if ((ip_get_common(&ic, &buf[p], size - p)) ||
(ic.size > size - p))
break;
while (p < size) {
struct ip_common ic;
tun_write(tun_fd, &buf[p], ic.size);
if ((ip_get_common(&ic, &buf[p], size - p)) ||
(ic.size > size - p))
break;
p += ic.size;
}
tun_write(tun_fd, &buf[p], ic.size);
p += ic.size;
}
}
}