test code v1

tests/statfs_probe.c

@@ -0,0 +1,24 @@
+#include <sys/mount.h>
+
+#include <err.h>
+#include <inttypes.h>
+#include <stdio.h>
+
+int
+main(int argc, char **argv)
+{
+	struct statfs sb;
+
+	if (argc != 2)
+		errx(2, "usage: statfs_probe path");
+	if (statfs(argv[1], &sb) != 0)
+		err(1, "statfs %s", argv[1]);
+	printf("fstype=%s bsize=%ju iosize=%ju blocks=%ju bfree=%ju "
+	    "bavail=%jd files=%ju ffree=%ju readonly=%d from=%s on=%s\n",
+	    sb.f_fstypename, (uintmax_t)sb.f_bsize, (uintmax_t)sb.f_iosize,
+	    (uintmax_t)sb.f_blocks, (uintmax_t)sb.f_bfree,
+	    (intmax_t)sb.f_bavail, (uintmax_t)sb.f_files,
+	    (uintmax_t)sb.f_ffree, (sb.f_flags & MNT_RDONLY) != 0,
+	    sb.f_mntfromname, sb.f_mntonname);
+	return (0);
+}