Constify `memory_xor` and `memory_not`

1 files changed, 2 insertions, 2 deletions

diff --git a/io_buffer.c b/io_buffer.c
index dca30f362f..6bd0b3cfd3 100644
--- a/io_buffer.c
+++ b/io_buffer.c
@@ -3481,7 +3481,7 @@ io_buffer_or(VALUE self, VALUE mask)
 }
 
 static void
-memory_xor(unsigned char * restrict output, unsigned char * restrict base, size_t size, unsigned char * restrict mask, size_t mask_size)
+memory_xor(unsigned char * restrict output, const unsigned char * restrict base, size_t size, const unsigned char * restrict mask, size_t mask_size)
 {
     for (size_t offset = 0; offset < size; offset += 1) {
         output[offset] = base[offset] ^ mask[offset % mask_size];
@@ -3521,7 +3521,7 @@ io_buffer_xor(VALUE self, VALUE mask)
 }
 
 static void
-memory_not(unsigned char * restrict output, unsigned char * restrict base, size_t size)
+memory_not(unsigned char * restrict output, const unsigned char * restrict base, size_t size)
 {
     for (size_t offset = 0; offset < size; offset += 1) {
         output[offset] = ~base[offset];