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add errors/panics for unsupported OSes

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Luna 2019-11-10 10:50:22 -03:00
parent e4704f68f8
commit 25423eb453
1 changed files with 24 additions and 1 deletions
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25
lib/std/net.zig
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@ -14,7 +14,10 @@ pub const Address = extern union {
any: os.sockaddr,
in: os.sockaddr_in,
in6: os.sockaddr_in6,
un: os.sockaddr_un,
un: switch (builtin.os) {
.linux, .macosx, .freebsd, .netbsd => os.sockaddr_un,
else => void,
},
// TODO this crashed the compiler
//pub const localhost = initIp4(parseIp4("127.0.0.1") catch unreachable, 0);
@ -216,6 +219,11 @@ pub const Address = extern union {
}
pub fn initUnix(path: []const u8) !Address {
switch (builtin.os) {
.linux, .macosx, .freebsd, .netbsd => {},
else => return error.UnsupportedOS,
}
var sock_addr = os.sockaddr_un{
.family = os.AF_UNIX,
.path = undefined,
@ -331,6 +339,10 @@ pub const Address = extern union {
try std.fmt.format(context, Errors, output, "]:{}", port);
},
os.AF_UNIX => {
if (@typeOf(self.un) == void) {
@panic("unsupported OS");
}
try std.fmt.format(context, Errors, output, "{}", self.un.path);
},
else => unreachable,
@ -348,6 +360,10 @@ pub const Address = extern union {
os.AF_INET => return @sizeOf(os.sockaddr_in),
os.AF_INET6 => return @sizeOf(os.sockaddr_in6),
os.AF_UNIX => {
if (@typeOf(self.un) == void) {
@panic("unsupported OS");
}
const path_len = std.mem.len(u8, &self.un.path);
return @intCast(os.socklen_t, @sizeOf(os.sockaddr_un) - self.un.path.len + path_len);
},
@ -1304,6 +1320,13 @@ pub const StreamServer = struct {
const nonblock = if (std.io.is_async) os.SOCK_NONBLOCK else 0;
const sock_flags = os.SOCK_STREAM | os.SOCK_CLOEXEC | nonblock;
const proto = if (address.any.family == os.AF_UNIX) @as(u32, 0) else os.IPPROTO_TCP;
if (address.any.family == os.AF_UNIX and @typeOf(address.un) == void) {
return error{
/// When the OS does not have support for AF_UNIX sockets.
UnsupportedOS,
}.UnsupportedOS;
}
const sockfd = try os.socket(address.any.family, sock_flags, proto);
self.sockfd = sockfd;
errdefer {