1 files changed, 68 insertions, 0 deletions
diff --git a/src/config_mem.c b/src/config_mem.c
new file mode 100644
index 0000000..699e22e
--- /dev/null
+++ b/src/config_mem.c
@@ -0,0 +1,68 @@
+/**
+ * I3cstatus prints a configurable status bar for the i3 window manager
+ * Copyright (C) 2020 Aaron Ball <nullspoon@oper.io>
+ * 
+ * This program 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.
+ * 
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "config_mem.h"
+
+void config_mem_init(struct node* n) {
+  n->data = NULL;
+  n->type = CTYPE_MEM;
+  n->loadfunc = &config_mem_load;
+  n->loadkey = &load_mem_key;
+}
+
+void load_mem_key(struct node* n, char* key, char* val) {
+}
+
+int config_mem_load(struct node* n) {
+  long total;
+  long free;
+  long available;
+
+  int percent;
+  long used;
+
+  // See https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34e431b0ae398fc54ea69ff85ec700722c9da773
+  FILE* fd = fopen("/proc/meminfo", "r");
+  fscanf(fd, "MemTotal: %ld kB ", &total);
+  fscanf(fd, "MemFree: %ld kB ", &free);
+  fscanf(fd, "MemAvailable: %ld kB ", &available);
+  fclose(fd);
+
+  used = total - available;
+  percent = used * 100 / total;
+
+  if(percent < 20) {
+    strcpy(n->color, C_GREEN);
+  } else if(percent < 40) {
+    strcpy(n->color, C_YELLOW);
+  } else if(percent < 60) {
+    strcpy(n->color, C_ORANGE);
+  } else {
+    strcpy(n->color, C_RED);
+  }
+  strcpy(n->label_color, C_LGREY);
+
+  if(strcmp(n->display, "bar") == 0) {
+    print_bar(12, (double)used / total, n->text);
+  } else {
+    sprintf(n->text, "%02d%%", percent);
+  }
+
+  return 0;
+}
+
+