New common unarchive code.

1 files changed, 34 insertions, 0 deletions

diff --git a/archival/libunarchive/filter_accept_reject_list.c b/archival/libunarchive/filter_accept_reject_list.c
new file mode 100644
index 000000000..c893dfcfc
--- /dev/null
+++ b/archival/libunarchive/filter_accept_reject_list.c
@@ -0,0 +1,34 @@
+#include <fnmatch.h>
+#include <stdlib.h>
+#include "unarchive.h"
+
+static char check_list(const llist_t *list, const char *filename)
+{
+	if (list) {
+		while (list) {
+			if (fnmatch(list->data, filename, 0) == 0) {
+				return(EXIT_SUCCESS);
+			}
+			list = list->link;
+		}
+	}
+	return(EXIT_FAILURE);
+}
+
+/*
+ * Accept names that are in the accept list
+ */
+extern char filter_accept_reject_list(const llist_t *accept_list, const llist_t *reject_list, const char *key)
+{
+	/* Fail if an accept list was specified and the key wasnt in there */
+	if ((accept_list) && (check_list(accept_list, key) == EXIT_FAILURE)) {
+		return(EXIT_FAILURE);
+	}
+
+	/* If the key is in a reject list fail */
+	if (check_list(reject_list, key) == EXIT_FAILURE) {
+		return(EXIT_FAILURE);
+	}
+
+	return(EXIT_SUCCESS);
+}