Fix bug in w32_memory_info

* src/w32.c (w32_memory_info): Initialize struct size.

1 files changed, 4 insertions, 2 deletions

diff --git a/src/w32.c b/src/w32.c
index 6399d883544..0d876951cf6 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -7659,7 +7659,7 @@ w32_memory_info (unsigned long long *totalram, unsigned long long *freeram,
 {
   MEMORYSTATUS memst;
   MEMORY_STATUS_EX memstex;
-
+  memstex.dwLength = sizeof(memstex);
   /* Use GlobalMemoryStatusEx if available, as it can report more than
      2GB of memory.  */
   if (global_memory_status_ex (&memstex))
@@ -7670,7 +7670,9 @@ w32_memory_info (unsigned long long *totalram, unsigned long long *freeram,
       *freeswap  = memstex.ullAvailPageFile;
       return 0;
     }
-  else if (global_memory_status (&memst))
+
+  memst.dwLength = sizeof(memst);
+  if (global_memory_status (&memst))
     {
       *totalram = memst.dwTotalPhys;
       *freeram   = memst.dwAvailPhys;