initial commit

sb-memory.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+int main() {
+  FILE *fp = fopen("/proc/meminfo", "r");
+  if (!fp)
+    return 1;
+
+  long long total = 0, available = 0;
+  char line[256];
+  while (fgets(line, sizeof(line), fp) && (!total || !available)) {
+    sscanf(line, "MemTotal: %lld kB", &total);
+    sscanf(line, "MemAvailable: %lld kB", &available);
+  }
+  fclose(fp);
+
+  printf("Mem: %.0f%%\n", (double)(total - available) / total * 100);
+  return 0;
+}