*** empty log message ***

diff --git a/m4/fpending.m4 b/m4/fpending.m4
index 72c9cf9..0a7b7de 100644 (file)
--- a/m4/fpending.m4
+++ b/m4/fpending.m4
@@ -14,56 +14,52 @@ AC_DEFUN(jm_FUNC_FPENDING,
                   ac_cv_sys_pending_output_n_bytes,
       [
         fp_save_DEFS=$DEFS
-       for ac_expr in                                          \
+       for ac_expr in                                          \
                                                                \
-         '# glibc2'                                            \
-         'fp->_IO_write_ptr - fp->_IO_write_base'              \
+           '# glibc2'                                          \
+           'fp->_IO_write_ptr - fp->_IO_write_x_base'          \
                                                                \
-         '# traditional Unix'                                  \
-         'fp->_ptr - fp->_base'                                \
+           '# traditional Unix'                                \
+           'fp->_ptr - fp->_base'                              \
                                                                \
-         '# BSD'                                               \
-         'fp->_p - fp->_bf._base'                              \
+           '# BSD'                                             \
+           'fp->_p - fp->_bf._base'                            \
                                                                \
-         '# SCO, Unixware'                                     \
-         'fp->__ptr - fp->__base'                              \
+           '# SCO, Unixware'                                   \
+           'fp->__ptr - fp->__base'                            \
                                                                \
-         '# old glibc?'                                        \
-         'fp->__bufp - fp->__buffer'                           \
+           '# old glibc?'                                      \
+           'fp->__bufp - fp->__buffer'                         \
                                                                \
-         '# old glibc iostream?'                               \
-         'fp->_pptr - fp->_pbase'                              \
+           '# old glibc iostream?'                             \
+           'fp->_pptr - fp->_pbase'                            \
                                                                \
-         '# VMS'                                               \
-         '(*fp)->_ptr - (*fp)->_base'                          \
+           '# VMS'                                             \
+           '(*fp)->_ptr - (*fp)->_base'                        \
                                                                \
-         '# e.g., DGUX R4.11; the info is not available'       \
-         1                                                     \
-         ; do
-           # Skip each embedded comment.
-           case "$ac_expr" in '#'*) continue;; esac
-'
-
-           DEFS="$DEFS -DPENDING_OUTPUT_N_BYTES=$ac_expr"
-           AC_TRY_COMPILE(
-             [#include <stdio.h>
-             ],
-             [long unsigned int n = $ac_expr;],
-             fp_done=yes
-            )
-           DEFS=$fp_save_DEFS
-           test "$fp_done" = yes && break
-       done
-       AC_DEFINE_UNQUOTED(PENDING_OUTPUT_N_BYTES, $ac_expr,
-         [the number of pending output bytes on stream `fp'])
-      ])
-  fi
-
+           '# e.g., DGUX R4.11; the info is not available'     \
+           1                                                   \
+           ; do
 
+         # Skip each embedded comment.
+         case "$ac_expr" in '#'*) continue;; esac
 
+         DEFS="$DEFS -DPENDING_OUTPUT_N_BYTES=$ac_expr"
+         AC_TRY_COMPILE(
+           [#include <stdio.h>
+           ],
+           [FILE *fp = stdin; (void) ($ac_expr);],
+           fp_done=yes
+         )
+         DEFS=$fp_save_DEFS
+         test "$fp_done" = yes && break
+       done
 
-  if test $fu_cv_sys_struct_timespec = yes; then
-    AC_DEFINE_UNQUOTED(HAVE_STRUCT_TIMESPEC, 1,
-                      [Define if struct timespec is declared in <time.h>. ])
+       ac_cv_sys_pending_output_n_bytes=$ac_expr
+      ]
+    )
+    AC_DEFINE_UNQUOTED(PENDING_OUTPUT_N_BYTES,
+      $ac_cv_sys_pending_output_n_bytes,
+      [the number of pending output bytes on stream `fp'])
   fi
 ])