std.posix.getsockopt: set option length correctly

Fixes #24293
2025-06-29 10:22:19 -05:00
parent 31bc6d5a9d
commit aa1556156e
1 changed files with 1 additions and 1 deletions
--- 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);