added slstatus

slstatus/components/disk.c

@@ -0,0 +1,59 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <sys/statvfs.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+const char *
+disk_free(const char *path)
+{
+	struct statvfs fs;
+
+	if (statvfs(path, &fs) < 0) {
+		warn("statvfs '%s':", path);
+		return NULL;
+	}
+
+	return fmt_human(fs.f_frsize * fs.f_bavail, 1024);
+}
+
+const char *
+disk_perc(const char *path)
+{
+	struct statvfs fs;
+
+	if (statvfs(path, &fs) < 0) {
+		warn("statvfs '%s':", path);
+		return NULL;
+	}
+
+	return bprintf("%d", (int)(100 *
+	               (1 - ((double)fs.f_bavail / (double)fs.f_blocks))));
+}
+
+const char *
+disk_total(const char *path)
+{
+	struct statvfs fs;
+
+	if (statvfs(path, &fs) < 0) {
+		warn("statvfs '%s':", path);
+		return NULL;
+	}
+
+	return fmt_human(fs.f_frsize * fs.f_blocks, 1024);
+}
+
+const char *
+disk_used(const char *path)
+{
+	struct statvfs fs;
+
+	if (statvfs(path, &fs) < 0) {
+		warn("statvfs '%s':", path);
+		return NULL;
+	}
+
+	return fmt_human(fs.f_frsize * (fs.f_blocks - fs.f_bfree), 1024);
+}