Check all memory allocation in examples and certtooltmp-check-allocations

Resolves: #739

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

3 files changed, 5 insertions, 0 deletions

diff --git a/doc/examples/ex-verify.c b/doc/examples/ex-verify.c
index 0aa9922f81..623198793b 100644
--- a/doc/examples/ex-verify.c
+++ b/doc/examples/ex-verify.c
@@ -55,6 +55,7 @@ verify_certificate_chain(const char *hostname,
                                               GNUTLS_TL_VERIFY_CRL, 0));
 
         cert = malloc(sizeof(*cert) * cert_chain_length);
+        assert(cert != NULL);
 
         /* Import all the certificates in the chain to
          * native certificate format.
diff --git a/doc/examples/tlsproxy/buffer.c b/doc/examples/tlsproxy/buffer.c
index cd1ff37eea..05c82121fe 100644
--- a/doc/examples/tlsproxy/buffer.c
+++ b/doc/examples/tlsproxy/buffer.c
@@ -80,6 +80,8 @@ buffer_t *
 bufNew (ssize_t size, ssize_t hwm)
 {
   buffer_t *b = calloc (1, sizeof (buffer_t));
+  if (!b) return NULL;
+
   b->buf = calloc (1, size);
   b->size = size;
   b->hwm = hwm;
diff --git a/doc/examples/tlsproxy/crypto-gnutls.c b/doc/examples/tlsproxy/crypto-gnutls.c
index 634f417b42..0764fdf10f 100644
--- a/doc/examples/tlsproxy/crypto-gnutls.c
+++ b/doc/examples/tlsproxy/crypto-gnutls.c
@@ -178,6 +178,8 @@ tlssession_new (int isserver,
 {
   int ret;
   tlssession_t *s = calloc (1, sizeof (tlssession_t));
+  if (!s)
+    return NULL;
 
   if (quitfn)
     s->quitfn = quitfn;