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Add an error check to every setsockopt call in uxnet.c.
[sgt/putty]
/
windows
/
winsftp.c
diff --git
a/windows/winsftp.c
b/windows/winsftp.c
index
d4c5fa6
..
33acaf6
100644
(file)
--- a/
windows/winsftp.c
+++ b/
windows/winsftp.c
@@
-611,7
+611,7
@@
int ssh_sftp_loop_iteration(void)
if (p_WSAEventSelect == NULL) {
fd_set readfds;
int ret;
if (p_WSAEventSelect == NULL) {
fd_set readfds;
int ret;
-
long now = GETTICKCOUNT()
;
+
unsigned long now = GETTICKCOUNT(), then
;
if (sftp_ssh_socket == INVALID_SOCKET)
return -1; /* doom */
if (sftp_ssh_socket == INVALID_SOCKET)
return -1; /* doom */
@@
-620,13
+620,17
@@
int ssh_sftp_loop_iteration(void)
select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_WRITE);
do {
select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_WRITE);
do {
- long next, ticks;
+ unsigned long next;
+ long ticks;
struct timeval tv, *ptv;
if (run_timers(now, &next)) {
struct timeval tv, *ptv;
if (run_timers(now, &next)) {
- ticks = next - GETTICKCOUNT();
- if (ticks <= 0)
- ticks = 1; /* just in case */
+ then = now;
+ now = GETTICKCOUNT();
+ if (now - then > next - then)
+ ticks = 0;
+ else
+ ticks = next - now;
tv.tv_sec = ticks / 1000;
tv.tv_usec = ticks % 1000 * 1000;
ptv = &tv;
tv.tv_sec = ticks / 1000;
tv.tv_usec = ticks % 1000 * 1000;
ptv = &tv;