From 259e106b4fbdca3df8dd660f70edf0585f14b6f6 Mon Sep 17 00:00:00 2001
From: Quentin Rameau <quinq@fifth.space>
Date: Mon, 30 Apr 2018 15:14:35 +0200
Subject: ram: OS split
---
components/Linux/ram.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
create mode 100644 components/Linux/ram.c
(limited to 'components/Linux/ram.c')
diff --git a/components/Linux/ram.c b/components/Linux/ram.c
new file mode 100644
index 0000000..7df5f85
--- /dev/null
+++ b/components/Linux/ram.c
@@ -0,0 +1,52 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+
+#include "../../util.h"
+
+const char *
+ram_free(void)
+{
+ long free;
+
+ return (pscanf("/proc/meminfo", "MemFree: %ld kB\n", &free) == 1) ?
+ bprintf("%f", (float)free / 1024 / 1024) : NULL;
+}
+
+const char *
+ram_perc(void)
+{
+ long total, free, buffers, cached;
+
+ return (pscanf("/proc/meminfo",
+ "MemTotal: %ld kB\n"
+ "MemFree: %ld kB\n"
+ "MemAvailable: %ld kB\nBuffers: %ld kB\n"
+ "Cached: %ld kB\n",
+ &total, &free, &buffers, &buffers, &cached) == 5) ?
+ bprintf("%d", 100 * ((total - free) - (buffers + cached)) / total) :
+ NULL;
+}
+
+const char *
+ram_total(void)
+{
+ long total;
+
+ return (pscanf("/proc/meminfo", "MemTotal: %ld kB\n", &total) == 1) ?
+ bprintf("%f", (float)total / 1024 / 1024) : NULL;
+}
+
+const char *
+ram_used(void)
+{
+ long total, free, buffers, cached;
+
+ return (pscanf("/proc/meminfo",
+ "MemTotal: %ld kB\n"
+ "MemFree: %ld kB\n"
+ "MemAvailable: %ld kB\nBuffers: %ld kB\n"
+ "Cached: %ld kB\n",
+ &total, &free, &buffers, &buffers, &cached) == 5) ?
+ bprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024) :
+ NULL;
+}
--
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