diff --git a/VERSION b/VERSION
index 488061bf..555d564a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-B1-66-g0aa8711796+1
\ No newline at end of file
+B1-67-g1ef406bbaf+1
\ No newline at end of file
diff --git a/common/include/common/ivshmem.h b/common/include/common/ivshmem.h
index fe63f74d..73052da4 100644
--- a/common/include/common/ivshmem.h
+++ b/common/include/common/ivshmem.h
@@ -32,4 +32,5 @@ struct IVSHMEM
 
 void ivshmemOptionsInit();
 bool ivshmemOpen(struct IVSHMEM * dev);
+bool ivshmemOpenDev(struct IVSHMEM * dev, const char * shmDev);
 void ivshmemClose(struct IVSHMEM * dev);
\ No newline at end of file
diff --git a/common/include/common/stringutils.h b/common/include/common/stringutils.h
index 50fabd11..48274569 100644
--- a/common/include/common/stringutils.h
+++ b/common/include/common/stringutils.h
@@ -18,4 +18,5 @@ Place, Suite 330, Boston, MA 02111-1307 USA
 */
 
 // sprintf but with buffer allocation
-int alloc_sprintf(char ** str, const char * format, ...);
\ No newline at end of file
+int alloc_sprintf(char ** str, const char * format, ...)
+  __attribute__ ((format (printf, 2, 3)));
\ No newline at end of file
diff --git a/common/src/option.c b/common/src/option.c
index 5a9fc6fb..0121198d 100644
--- a/common/src/option.c
+++ b/common/src/option.c
@@ -600,7 +600,7 @@ void option_print()
     maxLen = alloc_sprintf(
       &line,
       "%-*s | Short | %-*s | Description",
-      strlen(state.groups[g].module) + state.groups[g].pad + 1,
+      (int)(strlen(state.groups[g].module) + state.groups[g].pad + 1),
       "Long",
       valueLen,
       "Value"
diff --git a/common/src/platform/linux/CMakeLists.txt b/common/src/platform/linux/CMakeLists.txt
index c0d2ec84..8e193a2d 100644
--- a/common/src/platform/linux/CMakeLists.txt
+++ b/common/src/platform/linux/CMakeLists.txt
@@ -17,4 +17,7 @@ if(ENABLE_BACKTRACE)
   target_link_libraries(lg_common_platform_code bfd)
 endif()
 
-target_link_libraries(lg_common_platform_code pthread)
+target_link_libraries(lg_common_platform_code
+	lg_common
+	pthread
+)
diff --git a/common/src/platform/linux/ivshmem.c b/common/src/platform/linux/ivshmem.c
index d37fc37e..40c26745 100644
--- a/common/src/platform/linux/ivshmem.c
+++ b/common/src/platform/linux/ivshmem.c
@@ -42,7 +42,6 @@ static int uioOpenFile(const char * shmDevice, const char * file)
 {
   char * path;
   alloc_sprintf(&path, "/sys/class/uio/%s/%s", shmDevice, file);
-
   int fd = open(path, O_RDONLY);
   if (fd < 0)
   {
@@ -161,10 +160,14 @@ void ivshmemOptionsInit()
 }
 
 bool ivshmemOpen(struct IVSHMEM * dev)
+{
+  return ivshmemOpenDev(dev, option_get_string("app", "shmFile"));
+}
+
+bool ivshmemOpenDev(struct IVSHMEM * dev, const char * shmDevice)
 {
   assert(dev);
 
-  const char * shmDevice = option_get_string("app", "shmFile");
   unsigned int devSize;
   int devFD;
 
@@ -257,5 +260,7 @@ void ivshmemClose(struct IVSHMEM * dev)
   close(info->fd);
 
   free(info);
+  dev->mem    = NULL;
+  dev->size   = 0;
   dev->opaque = NULL;
 }
\ No newline at end of file
diff --git a/common/src/platform/windows/CMakeLists.txt b/common/src/platform/windows/CMakeLists.txt
index a799944d..7d3d8ab2 100644
--- a/common/src/platform/windows/CMakeLists.txt
+++ b/common/src/platform/windows/CMakeLists.txt
@@ -15,5 +15,6 @@ add_library(lg_common_platform_code STATIC
 )
 
 target_link_libraries(lg_common_platform_code
+	lg_common
 	setupapi
 )
diff --git a/common/src/stringutils.c b/common/src/stringutils.c
index e35a2353..9f21f123 100644
--- a/common/src/stringutils.c
+++ b/common/src/stringutils.c
@@ -21,26 +21,24 @@ Place, Suite 330, Boston, MA 02111-1307 USA
 #include <stdlib.h>
 #include <stdarg.h>
 
-int alloc_sprintf(char ** str, const char * format, ...)
+static int valloc_sprintf(char ** str, const char * format, va_list ap)
 {
   if (!str)
     return -1;
 
   *str = NULL;
-  va_list ap;
-  va_start(ap, format);
-  int len = vsnprintf(NULL, 0, format, ap);
-  va_end(ap);
+
+  va_list ap1;
+  va_copy(ap1, ap);
+  int len = vsnprintf(NULL, 0, format, ap1);
+  va_end(ap1);
 
   if (len < 0)
     return len;
 
   *str = malloc(len+1);
 
-  va_start(ap, format);
   int ret = vsnprintf(*str, len + 1, format, ap);
-  va_end(ap);
-
   if (ret < 0)
   {
     free(*str);
@@ -48,5 +46,14 @@ int alloc_sprintf(char ** str, const char * format, ...)
     return ret;
   }
 
+  return ret;
+}
+
+int alloc_sprintf(char ** str, const char * format, ...)
+{
+  va_list ap;
+  va_start(ap, format);
+  int ret = valloc_sprintf(str, format, ap);
+  va_end(ap);
   return ret;
 }
\ No newline at end of file