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-rw-r--r--examples/sample.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/examples/sample.c b/examples/sample.c
index 616372cb..b716a1b0 100644
--- a/examples/sample.c
+++ b/examples/sample.c
@@ -298,13 +298,22 @@ static void select_loop(ssh_session session,ssh_channel channel){
int ret;
while(channel){
do{
+ int fd;
+
FD_ZERO(&fds);
if(!eof)
FD_SET(0,&fds);
timeout.tv_sec=30;
timeout.tv_usec=0;
- FD_SET(ssh_get_fd(session),&fds);
- maxfd=ssh_get_fd(session)+1;
+
+ fd = ssh_get_fd(session);
+ if (fd < 0) {
+ fprintf(stderr, "Error getting fd\n");
+ return;
+ }
+ FD_SET(fd, &fds);
+ maxfd = fd + 1;
+
channels[0]=channel; // set the first channel we want to read from
channels[1]=NULL;
ret=ssh_select(channels,outchannels,maxfd,&fds,&timeout);