X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_input_devices.c;h=0e202fa65f009e07439fe0cee2a864c7baca3f10;hb=bb97ecab3add22cf774d3bb8bdb9d1be537cc524;hp=493bcd8b2c368cc93c61b8274fd2df40647312fe;hpb=063dc3ff4fdf54f8e673eb552a6e2d56b081b5d7;p=freeglut

diff --git a/src/freeglut_input_devices.c b/src/freeglut_input_devices.c
index 493bcd8..0e202fa 100755
--- a/src/freeglut_input_devices.c
+++ b/src/freeglut_input_devices.c
@@ -35,8 +35,10 @@
 #include <GL/freeglut.h>
 #include "freeglut_internal.h"
 
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
+#if HAVE_ERRNO
 #include <errno.h>
+#endif
 #include <sys/ioctl.h>
 #include <sys/time.h>
 #include <time.h>
@@ -53,7 +55,7 @@ typedef struct {
    struct termios termio, termio_save;
 } SERIALPORT;
 
-#elif TARGET_HOST_WIN32
+#elif TARGET_HOST_MS_WINDOWS
 #include <sys/types.h>
 #include <winbase.h>
 typedef struct {
@@ -136,11 +138,20 @@ int fgInputDeviceDetect( void )
  */
 void fgInitialiseInputDevices ( void )
 {
-    const char *dial_device=NULL;
     if( !fgState.InputDevsInitialised )
     {
+      /* will return true for VC8 (VC2005) and higher */
+#if TARGET_HOST_MS_WINDOWS && ( _MSC_VER >= 1400 ) && HAVE_ERRNO
+        char *dial_device=NULL;
+        size_t sLen;
+        errno_t err = _dupenv_s( &dial_device, &sLen, "GLUT_DIALS_SERIAL" );
+        if (err)
+            fgError("Error getting GLUT_DIALS_SERIAL environment variable");
+#else
+        const char *dial_device=NULL;
         dial_device = getenv ( "GLUT_DIALS_SERIAL" );
-#if TARGET_HOST_WIN32
+#endif
+#if TARGET_HOST_MS_WINDOWS
         if (!dial_device){
             static char devname[256];
             DWORD size=sizeof(devname);
@@ -156,6 +167,10 @@ void fgInitialiseInputDevices ( void )
 #endif
         if ( !dial_device ) return;
         if ( !( dialbox_port = serial_open ( dial_device ) ) ) return;
+      /* will return true for VC8 (VC2005) and higher */
+#if TARGET_HOST_MS_WINDOWS && ( _MSC_VER >= 1400 ) && HAVE_ERRNO
+        free ( dial_device );  dial_device = NULL;  /* dupenv_s allocates a string that we must free */
+#endif
         serial_putchar(dialbox_port,DIAL_INITIALIZE);
         glutTimerFunc ( 10, poll_dials, 0 );
         fgState.InputDevsInitialised = GL_TRUE;
@@ -250,7 +265,7 @@ static void poll_dials ( int id )
 
 
 /******** OS Specific Serial I/O routines *******/
-#if TARGET_HOST_UNIX_X11 /* ==> Linux/BSD/UNIX POSIX serial I/O */
+#if TARGET_HOST_POSIX_X11 /* ==> Linux/BSD/UNIX POSIX serial I/O */
 static SERIALPORT *serial_open ( const char *device )
 {
     int fd;
@@ -313,7 +328,7 @@ static void serial_flush ( SERIALPORT *port )
     tcflush ( port->fd, TCIOFLUSH );
 }
 
-#elif TARGET_HOST_WIN32
+#elif TARGET_HOST_MS_WINDOWS
 
 static SERIALPORT *serial_open(const char *device){
     HANDLE fh;