(text-mode): Contruct paragraph-start so

[bpt/emacs.git] / src / getpagesize.h

diff --git a/src/getpagesize.h b/src/getpagesize.h
dissimilarity index 86%
index 4e513c3..a064973 100644 (file)
--- a/src/getpagesize.h
+++ b/src/getpagesize.h
@@ -1,35 +1,41 @@
-/* Emulate getpagesize on systems that lack it.  */
-
-#ifndef HAVE_GETPAGESIZE
-
-#ifdef VMS
-#define getpagesize() 512
-#endif
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#ifdef _SC_PAGESIZE
-#define getpagesize() sysconf(_SC_PAGESIZE)
-#else
-
-#include <sys/param.h>
-
-#ifdef EXEC_PAGESIZE
-#define getpagesize() EXEC_PAGESIZE
-#else
-#ifdef NBPG
-#define getpagesize() NBPG * CLSIZE
-#ifndef CLSIZE
-#define CLSIZE 1
-#endif /* no CLSIZE */
-#else /* no NBPG */
-#ifdef NBPC
-#define getpagesize() NBPC
-#endif /* NBPC */
-#endif /* no NBPG */
-#endif /* no EXEC_PAGESIZE */
-#endif /* no _SC_PAGESIZE */
-
-#endif /* not HAVE_GETPAGESIZE */
+/* Emulate getpagesize on systems that lack it.  */
+
+#ifndef HAVE_GETPAGESIZE
+
+# ifdef VMS
+#  define getpagesize() 512
+# endif
+
+# ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+# endif
+
+# ifdef _SC_PAGESIZE
+#  define getpagesize() sysconf(_SC_PAGESIZE)
+# else /* no _SC_PAGESIZE */
+#  ifdef HAVE_SYS_PARAM_H
+#   include <sys/param.h>
+#   ifdef EXEC_PAGESIZE
+#    define getpagesize() EXEC_PAGESIZE
+#   else /* no EXEC_PAGESIZE */
+#    ifdef NBPG
+#     define getpagesize() NBPG * CLSIZE
+#     ifndef CLSIZE
+#      define CLSIZE 1
+#     endif /* no CLSIZE */
+#    else /* no NBPG */
+#     ifdef NBPC
+#      define getpagesize() NBPC
+#     else /* no NBPC */
+#      ifdef PAGESIZE
+#       define getpagesize() PAGESIZE
+#      endif /* PAGESIZE */
+#     endif /* no NBPC */
+#    endif /* no NBPG */
+#   endif /* no EXEC_PAGESIZE */
+#  else /* no HAVE_SYS_PARAM_H */
+#   define getpagesize() 8192  /* punt totally */
+#  endif /* no HAVE_SYS_PARAM_H */
+# endif /* no _SC_PAGESIZE */
+
+#endif /* no HAVE_GETPAGESIZE */