1 files changed, 112 insertions, 0 deletions
diff --git a/sbin/nandfs/lssnap.c b/sbin/nandfs/lssnap.c
new file mode 100644
index 0000000..fbee3cd
--- /dev/null
+++ b/sbin/nandfs/lssnap.c
@@ -0,0 +1,112 @@
+/*-
+ * Copyright (c) 2012 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Semihalf under sponsorship
+ * from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sysexits.h>
+#include <time.h>
+
+#include <fs/nandfs/nandfs_fs.h>
+#include <libnandfs.h>
+
+#include "nandfs.h"
+
+#define NCPINFO	512
+
+static void
+lssnap_usage(void)
+{
+
+	fprintf(stderr, "usage:\n");
+	fprintf(stderr, "\tlssnap node\n");
+}
+
+static void
+print_cpinfo(struct nandfs_cpinfo *cpinfo)
+{
+	struct tm tm;
+	time_t t;
+	char timebuf[128];
+
+	t = (time_t)cpinfo->nci_create;
+	localtime_r(&t, &tm);
+	strftime(timebuf, sizeof(timebuf), "%F %T", &tm);
+
+	printf("%20llu  %s\n", (unsigned long long)cpinfo->nci_cno, timebuf);
+}
+
+int
+nandfs_lssnap(int argc, char **argv)
+{
+	struct nandfs_cpinfo *cpinfos;
+	struct nandfs fs;
+	uint64_t next;
+	int error, nsnap, i;
+
+	if (argc != 1) {
+		lssnap_usage();
+		return (EX_USAGE);
+	}
+
+	cpinfos = malloc(sizeof(*cpinfos) * NCPINFO);
+	if (cpinfos == NULL) {
+		fprintf(stderr, "cannot allocate memory\n");
+		return (-1);
+	}
+
+	nandfs_init(&fs, argv[0]);
+	error = nandfs_open(&fs);
+	if (error == -1) {
+		fprintf(stderr, "nandfs_open: %s\n", nandfs_errmsg(&fs));
+		goto out;
+	}
+
+	for (next = 1; next != 0; next = cpinfos[nsnap - 1].nci_next) {
+		nsnap = nandfs_get_snap(&fs, next, cpinfos, NCPINFO);
+		if (nsnap < 1)
+			break;
+
+		for (i = 0; i < nsnap; i++)
+			print_cpinfo(&cpinfos[i]);
+	}
+
+	if (nsnap == -1)
+		fprintf(stderr, "nandfs_get_snap: %s\n", nandfs_errmsg(&fs));
+
+out:
+	nandfs_close(&fs);
+	nandfs_destroy(&fs);
+	free(cpinfos);
+	return (error);
+}