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fix no room

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Sergio R. Caprile committed 2026-06-05 16:59:44 -03:00
1 parent db658918c6
commit 416dc7beae
4 files changed
+16 -10
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src/net_builtin.c
+6 -3
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@@ -1403,13 +1403,16 @@ long mg_io_send(struct mg_connection *c, const void *buf, size_t len) {
}
static void handle_tls_recv(struct mg_connection *c) {
size_t avail = mg_tls_pending(c);
size_t avail = mg_tls_pending(c); // will change after mg_tls_recv()
size_t min = avail > MG_MAX_RECV_SIZE ? MG_MAX_RECV_SIZE : avail;
struct mg_iobuf *io = &c->recv;
struct mg_iobuf *io = &c->recv; // allocated on first avail > 0
if (io->size - io->len < min && !mg_iobuf_resize(io, io->len + min)) {
mg_error(c, "oom");
} else {
// Decrypt data directly into c->recv
// Decrypt data directly into c->recv. If io->buf = NULL or
// io->len = io->size (no room), there can be outstanding data that can't be
// moved (mg_tls_pending() > 0 after mg_tls_recv() returns). So mg_tls_recv()
// takes care of returning 0 in this case (commented as "MIP")
long n = mg_tls_recv(c, io->buf != NULL ? &io->buf[io->len] : io->buf,
io->size - io->len);
if (n == MG_IO_ERR) {