[EGIT] [core/efl] master 01/01: eina/hash: optimize eina_hash_find() when hash is empty.

[subhransu mohanty]

hermet pushed a commit to branch master.

http://git.enlightenment.org/core/efl.git/commit/?id=da39f53b95c9bae298fb0145f152c2d81b5ebe31

commit da39f53b95c9bae298fb0145f152c2d81b5ebe31
Author: subhransu mohanty <sub.moha...@samsung.com>
Date:   Fri Aug 9 14:00:03 2019 +0900

    eina/hash: optimize eina_hash_find() when  hash is empty.
    
    Summary:
    Check if hash is empty before computing the hash key and look inside the
    hash to find data.
    
    Note: could have called the eina_hash_population() api but didn't
          because of extra function call.
    
    Reviewers: Hermet
    
    Reviewed By: Hermet
    
    Subscribers: cedric, #reviewers, #committers
    
    Tags: #efl
    
    Differential Revision: https://phab.enlightenment.org/D9531
---
 src/lib/eina/eina_hash.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lib/eina/eina_hash.c b/src/lib/eina/eina_hash.c
index 92c37e1968..64d298b513 100644
--- a/src/lib/eina/eina_hash.c
+++ b/src/lib/eina/eina_hash.c
@@ -1077,6 +1077,9 @@ eina_hash_find(const Eina_Hash *hash, const void *key)
    EINA_SAFETY_ON_NULL_RETURN_VAL(key, NULL);
    EINA_MAGIC_CHECK_HASH(hash);
 
+   if (hash->population == 0)
+     return NULL;
+
    _eina_hash_compute(hash, key, &key_length, &key_hash);
 
    return eina_hash_find_by_hash(hash, key, key_length, key_hash);

--