Commit `3534f8a3ed`

Gregory Anders <greg@gpanders.com>

2021-11-08 15:48:07

std: ppoll: cast number of fds to nfds_t

On some systems, the type of the length of a slice is different from the nfds_t type, so cast the slice length to nfds_t. This is already done in poll, so just copy that implementation for ppoll.

master

1 parent 082072b

Changed files (1)

lib

std

os.zig

@@ -5823,7 +5823,8 @@ pub fn ppoll(fds: []pollfd, timeout: ?*const timespec, mask: ?*const sigset_t) P
         ts_ptr = &ts;
         ts = timeout_ns.*;
     }
-    const rc = system.ppoll(fds.ptr, fds.len, ts_ptr, mask);
+    const fds_count = math.cast(nfds_t, fds.len) catch return error.SystemResources;
+    const rc = system.ppoll(fds.ptr, fds_count, ts_ptr, mask);
     switch (errno(rc)) {
         .SUCCESS => return @intCast(usize, rc),
         .FAULT => unreachable,

Commit 3534f8a3ed

Commit `3534f8a3ed`