removed all HAVE_ERRNO checks

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1724 7f0cb862-5218-0410-a997-914c9d46530a

freeglut/freeglut/src/fg_joystick.c

@@ -147,14 +147,12 @@ static int fghJoystickFindUSBdev(char *name, char *out, int outlen)
       if (cp)
         return 1;
     }
-#ifdef HAVE_ERRNO_H
     else if (errno == EACCES) {
       if (!protection_warned) {
         fgWarning ( "Can't open %s for read!", buf );
         protection_warned = 1;
       }
     }
-#endif
   }
   return 0;
 }
@@ -172,11 +170,7 @@ static int fghJoystickInitializeHID(struct os_specific_s *os,
 
     if ( ( rd = hid_get_report_desc( os->fd ) ) == 0 )
     {
-#ifdef HAVE_ERRNO_H
         fgWarning ( "error: %s: %s", os->fname, strerror( errno ) );
-#else
-        fgWarning ( "error: %s", os->fname );
-#endif
         return FALSE;
     }
 
@@ -186,11 +180,7 @@ static int fghJoystickInitializeHID(struct os_specific_s *os,
         if( ioctl( os->fd, USB_GET_REPORT_ID, &report_id ) < 0)
         {
             /*** XXX {report_id} may not be the right variable? ***/
-#ifdef HAVE_ERRNO_H
             fgWarning ( "error: %s%d: %s", UHIDDEV, report_id, strerror( errno ) );
-#else
-            fgWarning ( "error: %s%d", UHIDDEV, report_id );
-#endif
             return FALSE;
         }
 

freeglut/freeglut/src/fg_main.c

@@ -27,9 +27,7 @@
 
 #include <GL/freeglut.h>
 #include "fg_internal.h"
-#ifdef HAVE_ERRNO_H
-#    include <errno.h>
-#endif
+#include <errno.h>
 #include <stdarg.h>
 
 /*

freeglut/freeglut/src/x11/fg_input_devices_x11.c

@@ -33,9 +33,7 @@
 #include <GL/freeglut.h>
 #include "../fg_internal.h"
 
-#ifdef HAVE_ERRNO_H
 #include <errno.h>
-#endif
 #include <sys/ioctl.h>
 #include <stdio.h>
 #include <stdlib.h>

freeglut/freeglut/src/x11/fg_internal_x11.h

@@ -131,10 +131,10 @@ struct tagSFG_PlatformWindowState
 #    ifdef HAVE_FCNTL_H
 #        include <fcntl.h>
 #    endif
-#    ifdef HAVE_ERRNO_H
-#        include <errno.h>
-#        include <string.h>
-#    endif
+
+#include <errno.h>
+#include <string.h>
+
 #    if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__)
 /* XXX The below hack is done until freeglut's autoconf is updated. */
 #        define HAVE_USB_JS    1

freeglut/freeglut/src/x11/fg_joystick_x11.c

@@ -115,11 +115,7 @@ void fgPlatformJoystickRawRead( SFG_Joystick* joy, int* buttons, float* axes )
             }
         }
     }
-#    ifdef HAVE_ERRNO_H
     if ( len < 0 && errno != EAGAIN )
-#    else
-    if ( len < 0 )
-#    endif
     {
         perror( joy->pJoystick.os->fname );
         joy->error = 1;
@@ -138,7 +134,6 @@ void fgPlatformJoystickRawRead( SFG_Joystick* joy, int* buttons, float* axes )
 
         if ( status != sizeof( struct js_event ) )
         {
-#  ifdef HAVE_ERRNO_H
             if ( errno == EAGAIN )
             {
                 /* Use the old values */
@@ -149,7 +144,6 @@ void fgPlatformJoystickRawRead( SFG_Joystick* joy, int* buttons, float* axes )
                             sizeof( float ) * joy->num_axes );
                 return;
             }
-#  endif
 
             fgWarning ( "%s", joy->pJoystick.fname );
             joy->error = GL_TRUE;
@@ -241,10 +235,8 @@ void fgPlatformJoystickOpen( SFG_Joystick* joy )
 
     joy->pJoystick.os->fd = open( joy->pJoystick.os->fname, O_RDONLY | O_NONBLOCK);
 
-#ifdef HAVE_ERRNO_H
     if( joy->pJoystick.os->fd < 0 && errno == EACCES )
         fgWarning ( "%s exists but is not readable by you", joy->pJoystick.os->fname );
-#endif
 
     joy->error =( joy->pJoystick.os->fd < 0 );
 

freeglut/freeglut/src/x11/fg_main_x11.c

@@ -28,9 +28,7 @@
 
 #include <GL/freeglut.h>
 #include "../fg_internal.h"
-#ifdef HAVE_ERRNO_H
-#    include <errno.h>
-#endif
+#include <errno.h>
 #include <stdarg.h>
 
 
@@ -118,10 +116,8 @@ void fgPlatformSleepForEvents( fg_time_t msec )
         wait.tv_usec = (msec % 1000) * 1000;
         err = select( socket+1, &fdset, NULL, NULL, &wait );
 
-#ifdef HAVE_ERRNO_H
         if( ( -1 == err ) && ( errno != EINTR ) )
             fgWarning ( "freeglut select() error: %d", errno );
-#endif
     }
 }
 

freeglut/freeglut/src/x11/fg_spaceball_x11.c

@@ -174,10 +174,7 @@ OF SUCH DAMAGE.
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-
-#ifdef HAVE_ERRNO_H
 #include <errno.h>
-#endif
 
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>