From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 7 May 2013 15:51:41 +0000 (+0200)
Subject: hashmap: document trivial_hash_func()
X-Git-Tag: v204~14
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=1210bc667d2d133814a0eb3cbcfcfb7e721fba9f;ds=sidebyside

hashmap: document trivial_hash_func()
---

diff --git a/src/shared/hashmap.h b/src/shared/hashmap.h
index 8f6e644b2..15b7e2758 100644
--- a/src/shared/hashmap.h
+++ b/src/shared/hashmap.h
@@ -43,6 +43,9 @@ typedef int (*compare_func_t)(const void *a, const void *b);
 unsigned string_hash_func(const void *p) _pure_;
 int string_compare_func(const void *a, const void *b) _pure_;
 
+/* This will compare the passed pointers directly, and will not
+ * dereference them. This is hence not useful for strings or
+ * suchlike. */
 unsigned trivial_hash_func(const void *p) _const_;
 int trivial_compare_func(const void *a, const void *b) _const_;