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-rw-r--r--src/env.c12
-rw-r--r--src/node.c10
-rw-r--r--src/uri.c2
3 files changed, 14 insertions, 10 deletions
diff --git a/src/env.c b/src/env.c
index c37b6b6b..77682d6d 100644
--- a/src/env.c
+++ b/src/env.c
@@ -36,12 +36,8 @@ SERD_API
SerdEnv*
serd_env_new(const SerdNode* base_uri)
{
- SerdEnv* env = (SerdEnv*)malloc(sizeof(struct SerdEnvImpl));
- env->prefixes = NULL;
- env->n_prefixes = 0;
- env->base_uri_node = SERD_NODE_NULL;
- env->base_uri = SERD_URI_NULL;
- if (base_uri) {
+ SerdEnv* env = (SerdEnv*)calloc(sizeof(struct SerdEnvImpl), 1);
+ if (env && base_uri) {
serd_env_set_base_uri(env, base_uri);
}
return env;
@@ -76,6 +72,10 @@ SerdStatus
serd_env_set_base_uri(SerdEnv* env,
const SerdNode* uri_node)
{
+ if (!env || !uri_node) {
+ return SERD_ERR_BAD_ARG;
+ }
+
// Resolve base URI and create a new node and URI for it
SerdURI base_uri;
SerdNode base_uri_node = serd_node_new_uri_from_node(
diff --git a/src/node.c b/src/node.c
index 065ff875..a5305474 100644
--- a/src/node.c
+++ b/src/node.c
@@ -102,7 +102,7 @@ serd_node_new_uri_from_node(const SerdNode* uri_node,
const SerdURI* base,
SerdURI* out)
{
- return (uri_node->type == SERD_URI)
+ return (uri_node->type == SERD_URI && uri_node->buf)
? serd_node_new_uri_from_string(uri_node->buf, base, out)
: SERD_NODE_NULL;
}
@@ -114,7 +114,11 @@ serd_node_new_uri_from_string(const uint8_t* str,
SerdURI* out)
{
if (!str || str[0] == '\0') {
- return serd_node_new_uri(base, NULL, out); // Empty URI => Base URI
+ if (base) {
+ return serd_node_new_uri(base, NULL, out); // Empty URI => Base
+ } else {
+ return SERD_NODE_NULL; // Nonsense
+ }
}
SerdURI uri;
serd_uri_parse(str, &uri);
@@ -340,7 +344,7 @@ SERD_API
void
serd_node_free(SerdNode* node)
{
- if (node->buf) {
+ if (node && node->buf) {
free((uint8_t*)node->buf);
node->buf = NULL;
}
diff --git a/src/uri.c b/src/uri.c
index 8f3bb997..6f7380b0 100644
--- a/src/uri.c
+++ b/src/uri.c
@@ -100,7 +100,7 @@ bool
serd_uri_string_has_scheme(const uint8_t* utf8)
{
// RFC3986: scheme ::= ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
- if (!is_alpha(utf8[0])) {
+ if (!utf8 || !is_alpha(utf8[0])) {
return false; // Invalid scheme initial character, URI is relative
}
for (uint8_t c; (c = *++utf8) != '\0';) {