zig

commit aa1556156ea861e7746228bf2a1ee686d22e2e24 (tree)
parent 31bc6d5a9ddaf09511d8e5dc6017957adec0564b
Author: Brandon Black <bblack@wikimedia.org>
Date:   Sun, 29 Jun 2025 10:22:19 -0500

std.posix.getsockopt: set option length correctly

Fixes #24293

Diffstat:
M
lib/std/posix.zig
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/std/posix.zig b/lib/std/posix.zig
@@ -4335,7 +4335,7 @@ pub const GetSockOptError = error{
 } || UnexpectedError;
 
 pub fn getsockopt(fd: socket_t, level: i32, optname: u32, opt: []u8) GetSockOptError!void {
-    var len: socklen_t = undefined;
+    var len: socklen_t = @intCast(opt.len);
     switch (errno(system.getsockopt(fd, level, optname, opt.ptr, &len))) {
         .SUCCESS => {
             std.debug.assert(len == opt.len);