X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=ssh.c;h=caf98ce078fa0bdcc99fa79bd464703b73e1e27a;hb=5176e1e9bbdc6620a115da0f92ca2282a6714721;hp=93a12807257a9c05be3a8af61578b3d3a3137a31;hpb=f6c63320ea4e673d69fc15f4885e5bedb7fa1927;p=PuTTY.git diff --git a/ssh.c b/ssh.c index 93a12807..caf98ce0 100644 --- a/ssh.c +++ b/ssh.c @@ -101,6 +101,9 @@ static void c_write (char *buf, int len) { if (new_head != inbuf_reap) { inbuf[inbuf_head] = *buf++; inbuf_head = new_head; + } else { + term_out(); + if( inbuf_head == inbuf_reap ) len++; else break; } } } @@ -772,14 +775,22 @@ static int ssh_msg (WPARAM wParam, LPARAM lParam) { int ret; char buf[256]; - if (s == INVALID_SOCKET) /* how the hell did we get here?! */ - return -5000; + /* + * Because reading less than the whole of the available pending + * data can generate an FD_READ event, we need to allow for the + * possibility that FD_READ may arrive with FD_CLOSE already in + * the queue; so it's possible that we can get here even with s + * invalid. If so, we return 1 and don't worry about it. + */ + if (s == INVALID_SOCKET) + return 1; if (WSAGETSELECTERROR(lParam) != 0) return -WSAGETSELECTERROR(lParam); switch (WSAGETSELECTEVENT(lParam)) { case FD_READ: + case FD_CLOSE: ret = recv(s, buf, sizeof(buf), 0); if (ret < 0 && WSAGetLastError() == WSAEWOULDBLOCK) return 1; @@ -787,14 +798,10 @@ static int ssh_msg (WPARAM wParam, LPARAM lParam) { return -10000-WSAGetLastError(); if (ret == 0) { s = INVALID_SOCKET; - return 0; /* can't happen, in theory */ + return 0; } ssh_gotdata (buf, ret); return 1; - case FD_CLOSE: - s = INVALID_SOCKET; - ssh_state = SSH_STATE_CLOSED; - return 0; } return 1; /* shouldn't happen, but WTF */ }