X-Git-Url: https://bearssl.org/gitweb//home/git/?p=BearSSL;a=blobdiff_plain;f=tools%2Ffiles.c;h=651d51a06f0fb3eb864717eb4e5f900584516418;hp=07af6c4194a7e4e0bf993b6f7cdc16b3d9e43178;hb=b42bd5972f935ffc32019acac6f8a07ae08ae9c2;hpb=3210f38e0491b39aec1ef419cb4114e9483089fb

diff --git a/tools/files.c b/tools/files.c
index 07af6c4..651d51a 100644
--- a/tools/files.c
+++ b/tools/files.c
@@ -172,6 +172,7 @@ decode_pem(const void *src, size_t len, size_t *num)
 	bvector bv = VEC_INIT;
 	int inobj;
 
+	*num = 0;
 	br_pem_decoder_init(&pc);
 	buf = src;
 	inobj = 0;
@@ -267,6 +268,9 @@ read_certificates(const char *fname, size_t *num)
 
 	pos = decode_pem(buf, len, &num_pos);
 	xfree(buf);
+	if (pos == NULL) {
+		return NULL;
+	}
 	for (u = 0; u < num_pos; u ++) {
 		if (eqstr(pos[u].name, "CERTIFICATE")
 			|| eqstr(pos[u].name, "X509 CERTIFICATE"))
@@ -296,3 +300,15 @@ read_certificates(const char *fname, size_t *num)
 	VEC_CLEAR(cert_list);
 	return xcs;
 }
+
+/* see brssl.h */
+void
+free_certificates(br_x509_certificate *certs, size_t num)
+{
+	size_t u;
+
+	for (u = 0; u < num; u ++) {
+		xfree(certs[u].data);
+	}
+	xfree(certs);
+}