Added memory status module

1 files changed, 32 insertions, 0 deletions

diff --git a/mem.c b/mem.c
new file mode 100644
index 0000000..e92b657
--- /dev/null
+++ b/mem.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include "block.h"
+#define ICON_MEM " "
+#define FG "#222222"
+#define BG "#95b18b99"
+#define mem_val(n)\
+	for(n = 0; (c = fgetc(meminfo)) != '\n';)\
+		if (c >= '0' && c <= '9')\
+			n = 10 * n + (c - '0')
+#define jmpl(n) fseek(meminfo,29*(n-1),0)
+FILE *meminfo;
+int mem_delay = 3; 
+char mem_str[15];
+void mem(void) {
+	if (mem_delay++ < 3) goto show_stat;
+	else mem_delay = 0;
+	if (!meminfo) meminfo = fopen("/proc/meminfo","r");
+	int c, mem;
+	int total, free, buffers,
+		cached, shared, reclaim;
+	jmpl(1); mem_val(total);
+	jmpl(2); mem_val(free);
+	jmpl(4); mem_val(buffers);
+	jmpl(5); mem_val(cached);
+	jmpl(23); mem_val(shared);
+	jmpl(26); mem_val(reclaim);
+	mem = total + reclaim - (free+buffers+cached+shared);
+	mem /= 1024;
+	snprintf(mem_str,15,ICON_MEM"%5d MiB",mem);
+show_stat:
+	block(mem_str,FG,BG,BG);
+}