Add support for custom str_map key comp. fun.

That wasn't hard.

1 files changed, 6 insertions, 2 deletions

diff --git a/src/common.c b/src/common.c
index d905929..2907159 100644
--- a/src/common.c
+++ b/src/common.c
@@ -571,6 +571,9 @@ struct str_map
 	size_t alloc;                       ///< Number of allocated entries
 	size_t len;                         ///< Number of entries in the table
 	void (*free) (void *);              ///< Callback to destruct the payload
+
+	/// Callback to compare keys for equivalence
+	int (*key_cmp) (const char *, const char *);
 };
 
 // As long as you don't remove the current entry, you can modify the map.
@@ -593,6 +596,7 @@ str_map_init (struct str_map *self)
 	self->alloc = STR_MAP_MIN_ALLOC;
 	self->len = 0;
 	self->free = NULL;
+	self->key_cmp = strcmp;
 	self->map = xcalloc (self->alloc, sizeof *self->map);
 }
 
@@ -692,7 +696,7 @@ str_map_set (struct str_map *self, const char *key, void *value)
 	struct str_map_link *iter = self->map[pos];
 	for (; iter; iter = iter->next)
 	{
-		if (strcmp (key, iter->key))
+		if (self->key_cmp (key, iter->key))
 			continue;
 
 		// Storing the same data doesn't destroy it
@@ -741,7 +745,7 @@ str_map_find (struct str_map *self, const char *key)
 {
 	struct str_map_link *iter = self->map[str_map_pos (self, key)];
 	for (; iter; iter = iter->next)
-		if (!strcmp (key, (char *) iter + sizeof *iter))
+		if (!self->key_cmp (key, (const char *) iter + sizeof *iter))
 			return iter->data;
 	return NULL;
 }