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unix,win: handle nbufs=0 in uv_udp_try_send (#4641)

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Ben Noordhuis 2024-12-09 21:14:01 +01:00 committed by GitHub
parent 467859c2ba
commit 2494c088f0
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3 changed files with 8 additions and 2 deletions
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3
src/unix/udp.c
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@ -793,7 +793,8 @@ int uv__udp_try_send(uv_udp_t* handle,
struct msghdr h; struct msghdr h;
ssize_t size; ssize_t size;
assert(nbufs > 0); if (nbufs < 1)
return UV_EINVAL;
/* already sending a message */ /* already sending a message */
if (handle->send_queue_count != 0) if (handle->send_queue_count != 0)

3
src/win/udp.c
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@ -1101,7 +1101,8 @@ int uv__udp_try_send(uv_udp_t* handle,
struct sockaddr_storage converted; struct sockaddr_storage converted;
int err; int err;
assert(nbufs > 0); if (nbufs < 1)
return UV_EINVAL;
if (addr != NULL) { if (addr != NULL) {
err = uv__convert_to_localhost_if_unspecified(addr, &converted); err = uv__convert_to_localhost_if_unspecified(addr, &converted);

4
test/test-udp-try-send.c
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@ -101,6 +101,10 @@ TEST_IMPL(udp_try_send) {
ASSERT_OK(r); ASSERT_OK(r);
buf = uv_buf_init(buffer, sizeof(buffer)); buf = uv_buf_init(buffer, sizeof(buffer));
r = uv_udp_try_send(&client, &buf, 0, (const struct sockaddr*) &addr);
ASSERT_EQ(r, UV_EINVAL);
r = uv_udp_try_send(&client, &buf, 1, (const struct sockaddr*) &addr); r = uv_udp_try_send(&client, &buf, 1, (const struct sockaddr*) &addr);
ASSERT_EQ(r, UV_EMSGSIZE); ASSERT_EQ(r, UV_EMSGSIZE);