util: hashtable: make hashing prototypes match

It seems nobody's using the string hashing function. If you try to
pass it directly to the hashtable creation function, you'll get
compiler warning for non matching prototypes. Let's make them match.

Signed-off-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>

2 files changed, 3 insertions, 2 deletions

diff --git a/src/util/hash_table.c b/src/util/hash_table.c
index 1bda2149b95..b7421a0144c 100644
--- a/src/util/hash_table.c
+++ b/src/util/hash_table.c
@@ -476,9 +476,10 @@ _mesa_hash_data(const void *data, size_t size)
 
 /** FNV-1a string hash implementation */
 uint32_t
-_mesa_hash_string(const char *key)
+_mesa_hash_string(const void *_key)
 {
    uint32_t hash = _mesa_fnv32_1a_offset_bias;
+   const char *key = _key;
 
    while (*key != 0) {
       hash = _mesa_fnv32_1a_accumulate(hash, *key);
diff --git a/src/util/hash_table.h b/src/util/hash_table.h
index cf939130fcf..d3e0758b265 100644
--- a/src/util/hash_table.h
+++ b/src/util/hash_table.h
@@ -94,7 +94,7 @@ _mesa_hash_table_random_entry(struct hash_table *ht,
                               bool (*predicate)(struct hash_entry *entry));
 
 uint32_t _mesa_hash_data(const void *data, size_t size);
-uint32_t _mesa_hash_string(const char *key);
+uint32_t _mesa_hash_string(const void *key);
 bool _mesa_key_string_equal(const void *a, const void *b);
 bool _mesa_key_pointer_equal(const void *a, const void *b);