From 53386153cc7b3eb15d4625aec16af9bec4e74e46 Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Sun, 12 Jul 2020 13:07:10 -0400
Subject: initial version

---
 rempty.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 rempty.c

diff --git a/rempty.c b/rempty.c
new file mode 100644
index 0000000..c8846d9
--- /dev/null
+++ b/rempty.c
@@ -0,0 +1,73 @@
+#define _XOPEN_SOURCE 700
+#include <errno.h>
+#include <ftw.h>
+#include <limits.h>
+#include <locale.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifndef OPEN_MAX
+#define OPEN_MAX _POSIX_OPEN_MAX
+#endif
+
+static char *progname = NULL;
+static int retval = 0;
+
+static int rempty(const char *path, const struct stat *st, int type, struct FTW *ftw)
+{
+	(void)st;
+	(void)ftw;
+
+	if (type != FTW_DP) {
+		return 0;
+	}
+
+	if (rmdir(path) == 0) {
+		return 0;
+	}
+
+	if (errno == EEXIST || errno == ENOTEMPTY) {
+		return 0;
+	}
+
+	fprintf(stderr, "%s: %s: %s\n", progname, path, strerror(errno));
+	retval = 1;
+
+	return 0;
+}
+
+static void usage(void)
+{
+	fprintf(stderr, "usage: %s dir...\n", progname);
+}
+
+int main(int argc, char *argv[])
+{
+	progname = argv[0];
+	setlocale(LC_ALL, "");
+	
+	int c;
+	while ((c = getopt(argc, argv, "")) != -1) {
+		switch (c) {
+		default:
+			usage();
+			return 1;
+		}
+	}
+
+	if (optind >= argc) {
+		usage();
+		return 1;
+	}
+
+	while (optind < argc) {
+		if (nftw(argv[optind], rempty, OPEN_MAX, FTW_DEPTH) != 0) {
+			fprintf(stderr, "%s: %s: %s\n", progname, argv[optind],
+				strerror(errno));
+		}
+		optind++;
+	}
+
+	return retval;
+}
-- 
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