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-rw-r--r--libssh/options.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/libssh/options.c b/libssh/options.c
index 2bdc589d..77bf1f4d 100644
--- a/libssh/options.c
+++ b/libssh/options.c
@@ -95,6 +95,10 @@ SSH_OPTIONS *ssh_options_copy(SSH_OPTIONS *opt) {
SSH_OPTIONS *new = NULL;
int i;
+ if (opt == NULL) {
+ return NULL;
+ }
+
new = ssh_options_new();
if (new == NULL) {
return NULL;
@@ -224,6 +228,10 @@ int ssh_options_set_host(SSH_OPTIONS *opt, const char *hostname){
char *h;
char *p;
+ if (opt == NULL || hostname == NULL) {
+ return -1;
+ }
+
h = strdup(hostname);
if (h == NULL) {
return -1;
@@ -269,6 +277,10 @@ int ssh_options_set_host(SSH_OPTIONS *opt, const char *hostname){
* @bug this should not be set at options time
*/
int ssh_options_set_username(SSH_OPTIONS *opt, const char *username) {
+ if (opt == NULL || username == NULL) {
+ return -1;
+ }
+
if (opt->username) {
SAFE_FREE(opt->username);
}