add kmod_module_get_filtered_blacklist()

This function will filter the given list against the known blacklist,
returning a new list with remaining modules with the reference
incremented.

2 files changed, 77 insertions, 0 deletions

diff --git a/test/.gitignore b/test/.gitignore
index c22a721..0722c91 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -8,3 +8,4 @@ test-lookup
 test-path-from-name
 test-get-dependencies
 test-mod-double-ref
+test-blacklist
diff --git a/test/test-blacklist.c b/test/test-blacklist.c
new file mode 100644
index 0000000..515bfb8
--- /dev/null
+++ b/test/test-blacklist.c
@@ -0,0 +1,76 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <errno.h>
+#include <unistd.h>
+#include <inttypes.h>
+#include <string.h>
+#include <libkmod.h>
+
+
+int main(int argc, char *argv[])
+{
+	const char *alias;
+	struct kmod_ctx *ctx;
+	struct kmod_list *list = NULL, *l;
+	int err;
+
+	printf("libkmod version %s\n", VERSION);
+
+	if (argc < 2) {
+		fprintf(stderr, "ERR: Provide an alias name\n");
+		return EXIT_FAILURE;
+	}
+
+	alias = argv[1];
+
+	ctx = kmod_new(NULL);
+	if (ctx == NULL)
+		exit(EXIT_FAILURE);
+
+	err = kmod_module_new_from_lookup(ctx, alias, &list);
+	if (err < 0)
+		goto fail_lookup;
+
+	if (list == NULL)
+		printf("No module matches '%s'\n", alias);
+	else
+		printf("Alias: '%s'\nModules matching:\n", alias);
+
+	kmod_list_foreach(l, list) {
+		struct kmod_module *mod = kmod_module_get_module(l);
+		printf("\t%s\n", kmod_module_get_name(mod));
+		kmod_module_unref(mod);
+	}
+
+	if (list != NULL) {
+		struct kmod_list *filtered;
+		err = kmod_module_get_filtered_blacklist(ctx, list, &filtered);
+		if (err < 0) {
+			printf("Could not filter: %s\n", strerror(-err));
+			goto fail;
+		}
+		if (filtered == NULL)
+			printf("All modules were filtered out!\n");
+		else
+			printf("Modules remaining after filter:\n");
+
+		kmod_list_foreach(l, filtered) {
+		struct kmod_module *mod = kmod_module_get_module(l);
+		printf("\t%s\n", kmod_module_get_name(mod));
+		kmod_module_unref(mod);
+		}
+		kmod_module_unref_list(filtered);
+	}
+
+	kmod_module_unref_list(list);
+	kmod_unref(ctx);
+
+	return EXIT_SUCCESS;
+
+fail:
+	kmod_module_unref_list(list);
+fail_lookup:
+	kmod_unref(ctx);
+	return EXIT_FAILURE;
+}