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-rw-r--r--src/serd_internal.h11
-rw-r--r--src/uri.c12
2 files changed, 17 insertions, 6 deletions
diff --git a/src/serd_internal.h b/src/serd_internal.h
index cfcdc82c..52dd31ed 100644
--- a/src/serd_internal.h
+++ b/src/serd_internal.h
@@ -431,9 +431,9 @@ uri_path_at(const SerdURI* uri, size_t i)
}
}
-/** Return true iff `uri` is within the base of `root` */
+/** Return true iff `uri` shares path components with `root` */
static inline bool
-uri_is_under(const SerdURI* uri, const SerdURI* root)
+uri_is_related(const SerdURI* uri, const SerdURI* root)
{
if (!root || !root->scheme.len ||
!chunk_equals(&root->scheme, &uri->scheme) ||
@@ -456,6 +456,13 @@ uri_is_under(const SerdURI* uri, const SerdURI* root)
return true;
}
+/** Return true iff `uri` is within the base of `root` */
+static inline bool
+uri_is_under(const SerdURI* uri, const SerdURI* root)
+{
+ return uri->path.len >= root->path.len && uri_is_related(uri, root);
+}
+
static inline bool
is_uri_scheme_char(const uint8_t c)
{
diff --git a/src/uri.c b/src/uri.c
index 7b172e42..e6f03547 100644
--- a/src/uri.c
+++ b/src/uri.c
@@ -433,8 +433,6 @@ write_rel_path(SerdSink sink,
if (i == path_len && i == base_len) { // Paths are identical
return 0;
- } else if (last_shared_sep == 0) { // No common components
- return write_path_tail(sink, stream, uri, 0);
}
// Find the number of up references ("..") required
@@ -451,6 +449,10 @@ write_rel_path(SerdSink sink,
len += sink("../", 3, stream);
}
+ if (last_shared_sep == 0 && up == 0) {
+ len += sink("/", 1, stream);
+ }
+
// Write suffix
return len += write_path_tail(sink, stream, uri, last_shared_sep + 1);
}
@@ -464,8 +466,10 @@ serd_uri_serialise_relative(const SerdURI* uri,
SerdSink sink,
void* stream)
{
- size_t len = 0;
- const bool relative = uri_is_under(uri, root ? root : base);
+ size_t len = 0;
+ const bool relative =
+ root ? uri_is_under(uri, root) : uri_is_related(uri, base);
+
if (relative) {
len = write_rel_path(sink, stream, uri, base);
}