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Fix building with select (not poll) when fd_set is not defined in sys/types.h.

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We can use a void * for the fd_set arrays and just add a cast when
using the FD_SET macros.
This commit is contained in:
Todd C. Miller
2022-06-06 19:42:29 -06:00
parent c2a131714a
commit b77cbb2e67
2 changed files with 12 additions and 12 deletions
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16
lib/util/event_select.c
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@@ -120,12 +120,12 @@ sudo_ev_add_impl(struct sudo_event_base *base, struct sudo_event *ev)
if (ISSET(ev->events, SUDO_EV_READ)) {
sudo_debug_printf(SUDO_DEBUG_DEBUG, "%s: added fd %d to readfs",
__func__, ev->fd);
FD_SET(ev->fd, base->readfds_in);
FD_SET(ev->fd, (fd_set *)base->readfds_in);
}
if (ISSET(ev->events, SUDO_EV_WRITE)) {
sudo_debug_printf(SUDO_DEBUG_DEBUG, "%s: added fd %d to writefds",
__func__, ev->fd);
FD_SET(ev->fd, base->writefds_in);
FD_SET(ev->fd, (fd_set *)base->writefds_in);
}
if (ev->fd > base->highfd)
base->highfd = ev->fd;
@@ -142,17 +142,17 @@ sudo_ev_del_impl(struct sudo_event_base *base, struct sudo_event *ev)
if (ISSET(ev->events, SUDO_EV_READ)) {
sudo_debug_printf(SUDO_DEBUG_DEBUG, "%s: removed fd %d from readfds",
__func__, ev->fd);
FD_CLR(ev->fd, base->readfds_in);
FD_CLR(ev->fd, (fd_set *)base->readfds_in);
}
if (ISSET(ev->events, SUDO_EV_WRITE)) {
sudo_debug_printf(SUDO_DEBUG_DEBUG, "%s: removed fd %d from writefds",
__func__, ev->fd);
FD_CLR(ev->fd, base->writefds_in);
FD_CLR(ev->fd, (fd_set *)base->writefds_in);
}
if (base->highfd == ev->fd) {
for (;;) {
if (FD_ISSET(base->highfd, base->readfds_in) ||
FD_ISSET(base->highfd, base->writefds_in))
if (FD_ISSET(base->highfd, (fd_set *)base->readfds_in) ||
FD_ISSET(base->highfd, (fd_set *)base->writefds_in))
break;
if (--base->highfd < 0)
break;
@@ -230,9 +230,9 @@ sudo_ev_scan_impl(struct sudo_event_base *base, int flags)
TAILQ_FOREACH(ev, &base->events, entries) {
if (ev->fd >= 0) {
int what = 0;
if (FD_ISSET(ev->fd, base->readfds_out))
if (FD_ISSET(ev->fd, (fd_set *)base->readfds_out))
what |= (ev->events & SUDO_EV_READ);
if (FD_ISSET(ev->fd, base->writefds_out))
if (FD_ISSET(ev->fd, (fd_set *)base->writefds_out))
what |= (ev->events & SUDO_EV_WRITE);
if (what != 0) {
/* Make event active. */