doc/examples/ex-ocsp-client.c: check malloc return value

Signed-off-by: Daiki Ueno <ueno@gnu.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/doc/examples/ex-ocsp-client.c b/doc/examples/ex-ocsp-client.c
index f0b56fffe2..d675e77862 100644
--- a/doc/examples/ex-ocsp-client.c
+++ b/doc/examples/ex-ocsp-client.c
@@ -91,6 +91,10 @@ int main(int argc, char *argv[])
                                tmp.data);
 
                         hostname = malloc(tmp.size + 1);
+                        if (!hostname) {
+                                fprintf(stderr, "error: cannot allocate memory\n");
+                                exit(1);
+                        }
                         memcpy(hostname, tmp.data, tmp.size);
                         hostname[tmp.size] = 0;