1 files changed, 15 insertions, 0 deletions
diff --git a/prism/internal/memchr.h b/prism/internal/memchr.h
new file mode 100644
index 0000000000..6f6b0bca30
--- /dev/null
+++ b/prism/internal/memchr.h
@@ -0,0 +1,15 @@
+#ifndef PRISM_INTERNAL_MEMCHR_H
+#define PRISM_INTERNAL_MEMCHR_H
+
+#include "prism/internal/encoding.h"
+
+#include <stddef.h>
+
+/*
+ * We need to roll our own memchr to handle cases where the encoding changes and
+ * we need to search for a character in a buffer that could be the trailing byte
+ * of a multibyte character.
+ */
+const void * pm_memchr(const void *source, int character, size_t number, bool encoding_changed, const pm_encoding_t *encoding);
+
+#endif