Provide a fallback version of fts(3) for systems lacking it.

I chose the OpenBSD version because it apparently contains various
bugfixes that never made it into libnbcompat.  To reduce size and
complexity, i stripped out the features we don't need.

1 files changed, 42 insertions, 0 deletions

diff --git a/test-fts.c b/test-fts.c
new file mode 100644
index 00000000..5c6fc2d0
--- /dev/null
+++ b/test-fts.c
@@ -0,0 +1,42 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fts.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+	const char	*argv[2];
+	FTS		*ftsp;
+	FTSENT		*entry;
+
+	argv[0] = ".";
+	argv[1] = (char *)NULL;
+
+	ftsp = fts_open((char * const *)argv,
+	    FTS_PHYSICAL | FTS_NOCHDIR, NULL);
+
+	if (ftsp == NULL) {
+		perror("fts_open");
+		return(1);
+	}
+
+	entry = fts_read(ftsp);
+
+	if (entry == NULL) {
+		perror("fts_read");
+		return(1);
+	}
+
+	if (fts_set(ftsp, entry, FTS_SKIP) != 0) {
+		perror("fts_set");
+		return(1);
+	}
+
+	if (fts_close(NULL) != 0) {
+		perror("fts_close");
+		return(1);
+	}
+
+	return(0);
+}