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-rw-r--r--NEWS3
-rw-r--r--src/attributes.h6
-rw-r--r--src/n3.c4
-rw-r--r--src/reader.h3
-rw-r--r--test/bad/bad-blank-syntax.ttl1
-rw-r--r--test/bad/manifest.ttl6
6 files changed, 20 insertions, 3 deletions
diff --git a/NEWS b/NEWS
index 19de1273..06790a11 100644
--- a/NEWS
+++ b/NEWS
@@ -3,11 +3,12 @@ serd (0.30.17) unstable; urgency=medium
* Add Windows path separator support to serd_node_new_file_uri()
* Fix crash when trying to read chunks without starting
* Fix hang when skipping an error at EOF when lax parsing
+ * Gracefully handle bad characters in Turtle blank node syntax
* Gracefully handle bad characters in Turtle datatype syntax
* Override pkg-config dependency within meson
* Test header for warnings more strictly
- -- David Robillard <d@drobilla.net> Thu, 24 Nov 2022 20:51:55 +0000
+ -- David Robillard <d@drobilla.net> Thu, 24 Nov 2022 21:05:52 +0000
serd (0.30.16) stable; urgency=medium
diff --git a/src/attributes.h b/src/attributes.h
index 25eb91d0..502634b0 100644
--- a/src/attributes.h
+++ b/src/attributes.h
@@ -10,4 +10,10 @@
# define SERD_MALLOC_FUNC
#endif
+#ifdef __GNUC__
+# define SERD_NODISCARD __attribute__((warn_unused_result))
+#else
+# define SERD_NODISCARD
+#endif
+
#endif // SERD_ATTRIBUTES_H
diff --git a/src/n3.c b/src/n3.c
index bffc423b..09e6792b 100644
--- a/src/n3.c
+++ b/src/n3.c
@@ -997,7 +997,9 @@ read_BLANK_NODE_LABEL(SerdReader* const reader,
bool* const ate_dot)
{
eat_byte_safe(reader, '_');
- eat_byte_check(reader, ':');
+ if (!eat_byte_check(reader, ':')) {
+ return SERD_ERR_BAD_SYNTAX;
+ }
const Ref ref = *dest =
push_node(reader,
diff --git a/src/reader.h b/src/reader.h
index 689eeecb..cccaa8a9 100644
--- a/src/reader.h
+++ b/src/reader.h
@@ -4,6 +4,7 @@
#ifndef SERD_READER_H
#define SERD_READER_H
+#include "attributes.h"
#include "byte_source.h"
#include "stack.h"
@@ -131,7 +132,7 @@ eat_byte_safe(SerdReader* reader, const int byte)
return c;
}
-static inline int
+static inline int SERD_NODISCARD
eat_byte_check(SerdReader* reader, const int byte)
{
const int c = peek_byte(reader);
diff --git a/test/bad/bad-blank-syntax.ttl b/test/bad/bad-blank-syntax.ttl
new file mode 100644
index 00000000..6c7117a2
--- /dev/null
+++ b/test/bad/bad-blank-syntax.ttl
@@ -0,0 +1 @@
+<http://example.org/s> <http://example.org/p> _|invalid .
diff --git a/test/bad/manifest.ttl b/test/bad/manifest.ttl
index 0f4f1338..05bcc69d 100644
--- a/test/bad/manifest.ttl
+++ b/test/bad/manifest.ttl
@@ -24,6 +24,7 @@
<#bad-14>
<#bad-base>
<#bad-blank>
+ <#bad-blank-syntax>
<#bad-bom>
<#bad-char-in-local>
<#bad-char-in-prefix>
@@ -166,6 +167,11 @@
mf:name "bad-blank" ;
mf:action <bad-blank.ttl> .
+<#bad-blank-syntax>
+ rdf:type rdft:TestTurtleNegativeSyntax ;
+ mf:name "bad-blank-syntax" ;
+ mf:action <bad-blank-syntax.ttl> .
+
<#bad-bom>
rdf:type rdft:TestTurtleNegativeSyntax ;
mf:name "bad-bom" ;