Better file structure and build system

[sysstatus.git] / src / status / memusage.c

diff --git a/src/status/memusage.c b/src/status/memusage.c
new file mode 100644 (file)
index 0000000..6a6cb21
--- /dev/null
+++ b/src/status/memusage.c
@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "status/memusage.h"
+#include "tools.h"
+
+
+void status_memusage()
+{
+  char *stline = NULL;
+  size_t stlen;
+  FILE *stfile;
+
+  int memtotal = 0;
+  int memfree = 0;
+  int memused;
+  int membuffers = 0;
+  int memcached = 0;
+
+
+  stfile = fopen("/proc/meminfo", "r");
+  if (stfile != NULL) {
+    stlen = getline(&stline, &stlen, stfile);
+    memtotal = atoi(&stline[17]);
+
+    stlen = getline(&stline, &stlen, stfile);
+    memfree = atoi(&stline[17]);
+
+    stlen = getline(&stline, &stlen, stfile);
+    membuffers = atoi(&stline[17]);
+
+    stlen = getline(&stline, &stlen, stfile);
+    memcached = atoi(&stline[17]);
+    free(stline);
+
+    fclose(stfile);
+
+    memused = memtotal - memfree - memcached - membuffers;
+
+    memused /= 1024;   // Just show MBs used
+
+    /* Change color based on % of RAM used */
+    if ((float)memused / (float)memtotal < 0.85) {
+      fputs("^fg(green)", stdout);
+    } else {
+      fputs("^fg(red)", stdout);
+    }
+
+    printf(" Mem: %d M ", memused);
+  }
+}