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-rw-r--r--freq_tray/getgov.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/freq_tray/getgov.c b/freq_tray/getgov.c
new file mode 100644
index 0000000..cbb571c
--- /dev/null
+++ b/freq_tray/getgov.c
@@ -0,0 +1,108 @@
+/************************************************************************
+ * 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 "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")))
+ return -1;
+
+ fgets(out, size, fd);
+
+ /* remove newline at the end */
+ gchar* newline = g_strrstr(out, "\n");
+ *newline = '\0';
+
+ fclose(fd);
+ return 0;
+}
+
+int gg_available(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_available_governors", corestr);
+
+ if(!(fd = fopen(path, "r")))
+ 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;
+}