Inline foreach macro for internal usage

Avoid calling _next() function because it's an exported function and
linker can not optimize it.

Thanks to "Gustavo Sverzut Barbieri <barbieri@profusion.mobi>" for
suggestion.

diff --git a/libkmod/libkmod-private.h b/libkmod/libkmod-private.h
index 660a85c6490947754a3f859935e6442911a7176d..85963562ef973cc6d9298dec8bef44bc6d6f72c1 100644 (file)
--- a/libkmod/libkmod-private.h
+++ b/libkmod/libkmod-private.h
@@ -53,6 +53,12 @@ struct kmod_list *kmod_list_remove_data(struct kmod_list *list,
                                        const void *data) __must_check __attribute__((nonnull(2)));
 struct kmod_list *kmod_list_remove_n_latest(struct kmod_list *list,
                                                unsigned int n) __must_check;
+#undef kmod_list_foreach
+#define kmod_list_foreach(list_entry, first_entry) \
+       for (list_entry = ((first_entry) == NULL) ? NULL : first_entry; \
+               list_entry != NULL; \
+               list_entry = (list_entry->node.next == &first_entry->node) ? NULL : \
+               container_of(list_entry->node.next, struct kmod_list, node))
 
 /* libkmod.c */
 const char *kmod_get_dirname(const struct kmod_ctx *ctx) __attribute__((nonnull(1)));