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-rw-r--r--pkgs/development/ocaml-modules/piqi/safe-string.patch13
1 files changed, 13 insertions, 0 deletions
diff --git a/pkgs/development/ocaml-modules/piqi/safe-string.patch b/pkgs/development/ocaml-modules/piqi/safe-string.patch
new file mode 100644
index 00000000000..fbc2864d534
--- /dev/null
+++ b/pkgs/development/ocaml-modules/piqi/safe-string.patch
@@ -0,0 +1,13 @@
+--- a/piqilib/piqi_json_parser.mll
++++ b/piqilib/piqi_json_parser.mll
+@@ -189,8 +189,8 @@ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+     let len = lexbuf.lex_curr_pos - lexbuf.lex_start_pos in
+     let s = lexbuf.lex_buffer in
+     let start = lexbuf.lex_start_pos in
+-    check_adjust_utf8 v lexbuf s start len;
+-    Buffer.add_substring v.buf s start len
++    check_adjust_utf8 v lexbuf (Bytes.unsafe_to_string s) start len;
++    Buffer.add_subbytes v.buf s start len
+ 
+   let map_lexeme f lexbuf =
+     let len = lexbuf.lex_curr_pos - lexbuf.lex_start_pos in