1 files changed, 8 insertions, 8 deletions

diff --git a/source/fitz/hash.c b/source/fitz/hash.c
index 624cc305..708d72f2 100644
--- a/source/fitz/hash.c
+++ b/source/fitz/hash.c
@@ -26,7 +26,7 @@ struct fz_hash_table_s
 	fz_hash_entry *ents;
 };
 
-static unsigned hash(unsigned char *s, int len)
+static unsigned hash(const unsigned char *s, int len)
 {
 	unsigned val = 0;
 	int i;
@@ -101,7 +101,7 @@ fz_free_hash(fz_context *ctx, fz_hash_table *table)
 }
 
 static void *
-do_hash_insert(fz_context *ctx, fz_hash_table *table, void *key, void *val, unsigned *pos_ptr)
+do_hash_insert(fz_context *ctx, fz_hash_table *table, const void *key, void *val, unsigned *pos_ptr)
 {
 	fz_hash_entry *ents;
 	unsigned size;
@@ -199,7 +199,7 @@ fz_resize_hash(fz_context *ctx, fz_hash_table *table, int newsize)
 }
 
 void *
-fz_hash_find(fz_context *ctx, fz_hash_table *table, void *key)
+fz_hash_find(fz_context *ctx, fz_hash_table *table, const void *key)
 {
 	fz_hash_entry *ents = table->ents;
 	unsigned size = table->size;
@@ -221,7 +221,7 @@ fz_hash_find(fz_context *ctx, fz_hash_table *table, void *key)
 }
 
 void *
-fz_hash_insert(fz_context *ctx, fz_hash_table *table, void *key, void *val)
+fz_hash_insert(fz_context *ctx, fz_hash_table *table, const void *key, void *val)
 {
 	if (table->load > table->size * 8 / 10)
 	{
@@ -232,7 +232,7 @@ fz_hash_insert(fz_context *ctx, fz_hash_table *table, void *key, void *val)
 }
 
 void *
-fz_hash_insert_with_pos(fz_context *ctx, fz_hash_table *table, void *key, void *val, unsigned *pos)
+fz_hash_insert_with_pos(fz_context *ctx, fz_hash_table *table, const void *key, void *val, unsigned *pos)
 {
 	if (table->load > table->size * 8 / 10)
 	{
@@ -243,7 +243,7 @@ fz_hash_insert_with_pos(fz_context *ctx, fz_hash_table *table, void *key, void *
 }
 
 static void
-do_removal(fz_context *ctx, fz_hash_table *table, void *key, unsigned hole)
+do_removal(fz_context *ctx, fz_hash_table *table, const void *key, unsigned hole)
 {
 	fz_hash_entry *ents = table->ents;
 	unsigned size = table->size;
@@ -279,7 +279,7 @@ do_removal(fz_context *ctx, fz_hash_table *table, void *key, unsigned hole)
 }
 
 void
-fz_hash_remove(fz_context *ctx, fz_hash_table *table, void *key)
+fz_hash_remove(fz_context *ctx, fz_hash_table *table, const void *key)
 {
 	fz_hash_entry *ents = table->ents;
 	unsigned size = table->size;
@@ -309,7 +309,7 @@ fz_hash_remove(fz_context *ctx, fz_hash_table *table, void *key)
 }
 
 void
-fz_hash_remove_fast(fz_context *ctx, fz_hash_table *table, void *key, unsigned pos)
+fz_hash_remove_fast(fz_context *ctx, fz_hash_table *table, const void *key, unsigned pos)
 {
 	fz_hash_entry *ents = table->ents;