From 644656aa562a78edf384abd6f4ce80bc930d5547 Mon Sep 17 00:00:00 2001
From: Eli Zaretskii
Date: Thu, 10 Jul 2014 22:09:26 +0300
Subject: Implement memory-info for MS-Windows.

 src/w32.c (w32_memory_info): New function.
 src/w32.h (w32_memory_info): Prototype it.
 src/alloc.c (Fmemory_info) [WINDOWSNT]: Call it.
---
 src/alloc.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

(limited to 'src/alloc.c')

diff --git a/src/alloc.c b/src/alloc.c
index c535e836397..4a912703c39 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -6875,7 +6875,7 @@ All values are in Kbytes.  If there is no swap space, last two
 values are zero.  If the system is not supported, return nil.  */)
   (void)
 {
-#ifdef HAVE_LINUX_SYSINFO
+#if defined HAVE_LINUX_SYSINFO
   struct sysinfo si;
   uintmax_t units;
 
@@ -6885,12 +6885,22 @@ values are zero.  If the system is not supported, return nil.  */)
   units = si.mem_unit;
 #else
   units = 1;
-#endif  
+#endif
   return list4i ((uintmax_t) si.totalram * units / 1024,
 		 (uintmax_t) si.freeram * units / 1024,
 		 (uintmax_t) si.totalswap * units / 1024,
 		 (uintmax_t) si.freeswap * units / 1024);
-#else /* not HAVE_LINUX_SYSINFO */
+#elif defined WINDOWSNT
+  unsigned long long totalram, freeram, totalswap, freeswap;
+
+  if (w32_memory_info (&totalram, &freeram, &totalswap, &freeswap) == 0)
+    return list4i ((uintmax_t) totalram / 1024,
+		   (uintmax_t) freeram / 1024,
+		   (uintmax_t) totalswap / 1024,
+		   (uintmax_t) freeswap / 1024);
+  else
+    return Qnil;
+#else /* not HAVE_LINUX_SYSINFO, not WINDOWSNT */
   /* FIXME: add more systems.  */
   return Qnil;
 #endif /* HAVE_LINUX_SYSINFO */
-- 
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