From 55da9c20452dd62db8fb776d4fee8f16a967281d Mon Sep 17 00:00:00 2001
From: David <dbphillipsnz@gmail.com>
Date: Sat, 10 May 2014 13:31:43 +1200
Subject: Better makefile (I got sidetracked)

---
 getgov.c | 113 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 getgov.c

(limited to 'getgov.c')

diff --git a/getgov.c b/getgov.c
new file mode 100644
index 0000000..181ad41
--- /dev/null
+++ b/getgov.c
@@ -0,0 +1,113 @@
+/************************************************************************
+ * This file is part of trayfreq-archlinux.                             *
+ *                                                                      *
+ * trayfreq-archlinux is free software; you can redistribute it and/or  *
+ * modify it under the terms of the GNU General Public License as       *
+ * published by the Free Software Foundation; either version 3 of the   *
+ * License, or (at your option) any later version.                      *
+ *                                                                      *
+ * trayfreq-archlinux is distributed in the hope that it will be useful,*
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
+ * GNU General Public License for more details.                         *
+ *                                                                      *
+ * You should have received a copy of the GNU General Public License    *
+ * along with trayfreq-archlinux. If not, see                           *
+ * <http://www.gnu.org/licenses/>.                                      *
+ ************************************************************************/
+
+#include "string.h"
+#include "getgov.h"
+#include "getcore.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+
+/* [CORE][GOVERNOR NUMBER] */
+gchar AVAILABLE_GOVERNORS[999][50][13];
+gint NUMBER_OF_AVAILABLE_GOVERNORS;
+
+void gg_init()
+{
+	gchar gov_string[500];
+	int i = 0;
+	int j = 0;
+	for(i = 0; i < gc_number(); ++i)
+	{
+		memset(gov_string, '\0', 500);
+		gg_available(i, gov_string, 500);
+
+		// go through every governor in gov_string
+		j = 0;
+		gchar* curr = &gov_string[0];
+		gchar* end_of_curr = g_strstr_len(curr, strlen(curr), " ");
+		while(end_of_curr)
+		{
+			memset(AVAILABLE_GOVERNORS[i][j], '\0', 13);
+			memmove(AVAILABLE_GOVERNORS[i][j], curr, end_of_curr - curr);
+
+			curr = end_of_curr+1;
+			end_of_curr = g_strstr_len(curr, strlen(curr), " ");
+			++j;
+		}
+	}
+	NUMBER_OF_AVAILABLE_GOVERNORS = j;
+}
+
+int gg_current(int core, char* out, int size)
+{
+	FILE* fd;
+	char path[80];
+	char corestr[4];
+
+	sprintf(corestr, "%i", core);
+
+	sprintf(path, "/sys/devices/system/cpu/cpu%s/cpufreq/scaling_governor", corestr);
+
+	if(!(fd = fopen(path, "r")))
+	{
+		debug("Couldn't open '%s'\n",path);
+		return -1;
+	}
+
+	fgets(out, size, fd);
+	// Chomp
+	gchar* newline = g_strrstr(out, "\n");
+	*newline = '\0';
+
+	debug("Current gov for core %d is '%s'\n",core,out);
+
+	fclose(fd);
+	return 0;
+}
+
+int gg_available(int core, char* out, int size)
+{
+	FILE* fd;
+	char path[80];
+
+	sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_available_governors", core);
+
+	if(!(fd = fopen(path, "r")))
+	{
+		debug("Couldn't open '%s'\n",path);
+		return -1;
+	}
+
+	fgets(out, size, fd);
+
+	fclose(fd);
+	return 0;
+}
+
+char* gg_gov(int core, int index)
+{
+	return AVAILABLE_GOVERNORS[core][index];
+}
+
+int gg_number()
+{
+	return NUMBER_OF_AVAILABLE_GOVERNORS;
+}
-- 
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