Don't quit the plink main loop until the stdout and stderr buffers

are empty.

git-svn-id: svn://svn.tartarus.org/sgt/putty@1313 cda61777-01e9-0310-a592-d414129be87e

diff --git a/plink.c b/plink.c
index 9c0a14a..80c5b6a 100644 (file)
--- a/plink.c
+++ b/plink.c
@@ -787,10 +787,12 @@ int main(int argc, char **argv)
        } else if (n == 1) {
            reading = 0;
            noise_ultralight(idata.len);
-           if (idata.len > 0) {
-               back->send(idata.buffer, idata.len);
-           } else {
-               back->special(TS_EOF);
+           if (connopen && back->socket() != NULL) {
+               if (idata.len > 0) {
+                   back->send(idata.buffer, idata.len);
+               } else {
+                   back->special(TS_EOF);
+               }
            }
        } else if (n == 2) {
            odata.busy = 0;
@@ -801,8 +803,10 @@ int main(int argc, char **argv)
            bufchain_consume(&stdout_data, odata.lenwritten);
            if (bufchain_size(&stdout_data) > 0)
                try_output(0);
-           back->unthrottle(bufchain_size(&stdout_data) +
-                            bufchain_size(&stderr_data));
+           if (connopen && back->socket() != NULL) {
+               back->unthrottle(bufchain_size(&stdout_data) +
+                                bufchain_size(&stderr_data));
+           }
        } else if (n == 3) {
            edata.busy = 0;
            if (!edata.writeret) {
@@ -812,14 +816,18 @@ int main(int argc, char **argv)
            bufchain_consume(&stderr_data, edata.lenwritten);
            if (bufchain_size(&stderr_data) > 0)
                try_output(1);
-           back->unthrottle(bufchain_size(&stdout_data) +
-                            bufchain_size(&stderr_data));
+           if (connopen && back->socket() != NULL) {
+               back->unthrottle(bufchain_size(&stdout_data) +
+                                bufchain_size(&stderr_data));
+           }
        }
        if (!reading && back->sendbuffer() < MAX_STDIN_BACKLOG) {
            SetEvent(idata.eventback);
            reading = 1;
        }
-       if (!connopen || back->socket() == NULL)
+       if ((!connopen || back->socket() == NULL) &&
+           bufchain_size(&stdout_data) == 0 &&
+           bufchain_size(&stderr_data) == 0)
            break;                     /* we closed the connection */
     }
     WSACleanup();