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Add error checks to setter.

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git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@473 7dcaeef0-15fb-0310-b436-a5af3365683c
This commit is contained in:
Andreas Schneider
2009-04-14 14:40:50 +00:00
parent c847e13c47
commit 118d4ee131
1 changed files with 46 additions and 19 deletions
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65
libssh/session.c
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@@ -140,12 +140,17 @@ void ssh_cleanup(SSH_SESSION *session) {
/** \brief disconnect impolitely from remote host
* \param session current ssh session
*/
void ssh_silent_disconnect(SSH_SESSION *session){
enter_function();
ssh_socket_close(session->socket);
session->alive=0;
ssh_disconnect(session);
//leave_function();
void ssh_silent_disconnect(SSH_SESSION *session) {
enter_function();
if (session == NULL) {
return;
}
ssh_socket_close(session->socket);
session->alive = 0;
ssh_disconnect(session);
/* FIXME: leave_function(); ??? */
}
/** \brief set the options for the current session
@@ -154,9 +159,13 @@ void ssh_silent_disconnect(SSH_SESSION *session){
* \see ssh_new()
* \see ssh_options_new()
*/
void ssh_set_options(SSH_SESSION *session, SSH_OPTIONS *options){
session->options=options;
session->log_verbosity=options->log_verbosity;
void ssh_set_options(SSH_SESSION *session, SSH_OPTIONS *options) {
if (session == NULL || options == NULL) {
return;
}
session->options = options;
session->log_verbosity = options->log_verbosity;
}
/** \brief set the session in blocking/nonblocking mode
@@ -164,8 +173,12 @@ void ssh_set_options(SSH_SESSION *session, SSH_OPTIONS *options){
* \param blocking zero for nonblocking mode
* \bug nonblocking code is in development and won't work as expected
*/
void ssh_set_blocking(SSH_SESSION *session,int blocking){
session->blocking=blocking?1:0;
void ssh_set_blocking(SSH_SESSION *session, int blocking) {
if (session == NULL) {
return;
}
session->blocking = blocking ? 1 : 0;
}
/** In case you'd need the file descriptor of the connection
@@ -175,31 +188,45 @@ void ssh_set_blocking(SSH_SESSION *session,int blocking){
* \return file descriptor of the connection, or -1 if it is
* not connected
*/
socket_t ssh_get_fd(SSH_SESSION *session) {
if (session == NULL) {
return -1;
}
socket_t ssh_get_fd(SSH_SESSION *session){
return ssh_socket_get_fd(session->socket);
return ssh_socket_get_fd(session->socket);
}
/** \brief say to the session it has data to read on the file descriptor without blocking
* \param session ssh session
*/
void ssh_set_fd_toread(SSH_SESSION *session){
ssh_socket_set_toread(session->socket);
void ssh_set_fd_toread(SSH_SESSION *session) {
if (session == NULL) {
return;
}
ssh_socket_set_toread(session->socket);
}
/** \brief say the session it may write to the file descriptor without blocking
* \param session ssh session
*/
void ssh_set_fd_towrite(SSH_SESSION *session){
ssh_socket_set_towrite(session->socket);
void ssh_set_fd_towrite(SSH_SESSION *session) {
if (session == NULL) {
return;
}
ssh_socket_set_towrite(session->socket);
}
/** \brief say the session it has an exception to catch on the file descriptor
* \param session ssh session
*/
void ssh_set_fd_except(SSH_SESSION *session){
ssh_socket_set_except(session->socket);
void ssh_set_fd_except(SSH_SESSION *session) {
if (session == NULL) {
return;
}
ssh_socket_set_except(session->socket);
}
/** \warning I don't remember if this should be internal or not