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examples: Fix a bad shift if ssh_get_fd() returns -1.

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CID: #1199454
This commit is contained in:
Andreas Schneider
2014-04-14 21:24:28 +02:00
parent adf23533e0
commit 79d51099ac
1 changed files with 12 additions and 2 deletions
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14
examples/sshnetcat.c
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@ -87,13 +87,23 @@ 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 == -1) {
fprintf(stderr, "Error getting the session file descriptor: %s\n",
ssh_get_error(session));
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);