1 files changed, 84 insertions, 0 deletions
diff --git a/linux/ZramMeter.c b/linux/ZramMeter.c
new file mode 100644
index 0000000..8329f01
--- /dev/null
+++ b/linux/ZramMeter.c
@@ -0,0 +1,84 @@
+/*
+htop - linux/ZramMeter.c
+(C) 2020 Murloc Knight
+(C) 2020-2023 htop dev team
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "config.h" // IWYU pragma: keep
+
+#include "linux/ZramMeter.h"
+
+#include <stddef.h>
+
+#include "CRT.h"
+#include "Meter.h"
+#include "Object.h"
+#include "Platform.h"
+#include "RichString.h"
+#include "ZramMeter.h"
+
+
+static const int ZramMeter_attributes[ZRAM_METER_ITEMCOUNT] = {
+   [ZRAM_METER_COMPRESSED] = ZRAM_COMPRESSED,
+   [ZRAM_METER_UNCOMPRESSED] = ZRAM_UNCOMPRESSED,
+};
+
+static void ZramMeter_updateValues(Meter* this) {
+   char* buffer = this->txtBuffer;
+   size_t size = sizeof(this->txtBuffer);
+   int written;
+
+   Platform_setZramValues(this);
+
+   written = Meter_humanUnit(buffer, this->values[ZRAM_METER_COMPRESSED], size);
+   METER_BUFFER_CHECK(buffer, size, written);
+
+   METER_BUFFER_APPEND_CHR(buffer, size, '(');
+
+   double uncompressed = this->values[ZRAM_METER_COMPRESSED] + this->values[ZRAM_METER_UNCOMPRESSED];
+   written = Meter_humanUnit(buffer, uncompressed, size);
+   METER_BUFFER_CHECK(buffer, size, written);
+
+   METER_BUFFER_APPEND_CHR(buffer, size, ')');
+
+   METER_BUFFER_APPEND_CHR(buffer, size, '/');
+
+   Meter_humanUnit(buffer, this->total, size);
+}
+
+static void ZramMeter_display(const Object* cast, RichString* out) {
+   char buffer[50];
+   const Meter* this = (const Meter*)cast;
+
+   RichString_writeAscii(out, CRT_colors[METER_TEXT], ":");
+
+   Meter_humanUnit(buffer, this->total, sizeof(buffer));
+   RichString_appendAscii(out, CRT_colors[METER_VALUE], buffer);
+
+   Meter_humanUnit(buffer, this->values[ZRAM_METER_COMPRESSED], sizeof(buffer));
+   RichString_appendAscii(out, CRT_colors[METER_TEXT], " used:");
+   RichString_appendAscii(out, CRT_colors[METER_VALUE], buffer);
+
+   double uncompressed = this->values[ZRAM_METER_COMPRESSED] + this->values[ZRAM_METER_UNCOMPRESSED];
+   Meter_humanUnit(buffer, uncompressed, sizeof(buffer));
+   RichString_appendAscii(out, CRT_colors[METER_TEXT], " uncompressed:");
+   RichString_appendAscii(out, CRT_colors[METER_VALUE], buffer);
+}
+
+const MeterClass ZramMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete,
+      .display = ZramMeter_display,
+   },
+   .updateValues = ZramMeter_updateValues,
+   .defaultMode = BAR_METERMODE,
+   .maxItems = ZRAM_METER_ITEMCOUNT,
+   .total = 100.0,
+   .attributes = ZramMeter_attributes,
+   .name = "Zram",
+   .uiName = "Zram",
+   .caption = "zrm"
+};