dirent: Re-add and update test code

This reverts commit 50f9ee989f89fd47a5f554d9967e8abedd6bd938.

1 files changed, 30 insertions, 0 deletions

diff --git a/src/dirent.c b/src/dirent.c
index 0fa3156..b918a0d 100644
--- a/src/dirent.c
+++ b/src/dirent.c
@@ -17,6 +17,7 @@
  * along with opkg-opk.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include "defs.h"
@@ -89,3 +90,32 @@ opkg_opk_dirent_name_prefix(struct opkg_opk_dirent *dirent, char *name_buf,
 	pref_buf[pref_len] = '\0';
 	return OPKG_OPK_OK;
 }
+
+int
+main()
+{
+	struct opkg_opk_dirent foo = {
+		.name   = "foo",
+		.parent = NULL,
+	};
+	struct opkg_opk_dirent bar = {
+		.name   = "bar",
+		.parent = &foo,
+	};
+	struct opkg_opk_dirent baz = {
+		.name   = "baz",
+		.parent = &bar,
+	};
+	char  name[8];
+	char  pref[5];
+
+	if (opkg_opk_dirent_name_prefix(&baz, name, 8, pref, 5) != OPKG_OPK_OK)
+	{
+		puts("Error building name parts");
+		return EXIT_FAILURE;
+	}
+	puts(name);
+	puts(pref);
+
+	return EXIT_SUCCESS;
+}