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authorQuentin Young <qlyoung@cumulusnetworks.com>2019-05-14 22:19:07 +0200
committerQuentin Young <qlyoung@cumulusnetworks.com>2019-05-14 23:23:08 +0200
commitd8b87afe7c5fcee9caaef7124d5bcd5f0c3af8a1 (patch)
treeca07ea6097ec12120806ff4c7bd268b9fc063842 /lib/hash.h
parentMerge pull request #4335 from opensourcerouting/zebra-fpm-blackhole-info (diff)
downloadfrr-d8b87afe7c5fcee9caaef7124d5bcd5f0c3af8a1.tar.xz
frr-d8b87afe7c5fcee9caaef7124d5bcd5f0c3af8a1.zip
lib: hashing functions should take const arguments
It doesn't make much sense for a hash function to modify its argument, so const the hash input. BGP does it in a couple places, those cast away the const. Not great but not any worse than it was. Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
Diffstat (limited to 'lib/hash.h')
-rw-r--r--lib/hash.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/hash.h b/lib/hash.h
index 60c412b8e..c56a98d50 100644
--- a/lib/hash.h
+++ b/lib/hash.h
@@ -79,7 +79,7 @@ struct hash {
unsigned int max_size;
/* Key make function. */
- unsigned int (*hash_key)(void *);
+ unsigned int (*hash_key)(const void *);
/* Data compare function. */
bool (*hash_cmp)(const void *, const void *);
@@ -123,7 +123,7 @@ struct hash {
* Returns:
* a new hash table
*/
-extern struct hash *hash_create(unsigned int (*hash_key)(void *),
+extern struct hash *hash_create(unsigned int (*hash_key)(const void *),
bool (*hash_cmp)(const void *, const void *),
const char *name);
@@ -158,7 +158,7 @@ extern struct hash *hash_create(unsigned int (*hash_key)(void *),
* a new hash table
*/
extern struct hash *
-hash_create_size(unsigned int size, unsigned int (*hash_key)(void *),
+hash_create_size(unsigned int size, unsigned int (*hash_key)(const void *),
bool (*hash_cmp)(const void *, const void *),
const char *name);