X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/8282072df0158ef38743dcff9730a3223efb47a2..f0c52873e4c1e3a16bb2d5a086df2526f698e4ac:/mptypes.c

diff --git a/mptypes.c b/mptypes.c
index 922eae4..eb8b975 100644
--- a/mptypes.c
+++ b/mptypes.c
@@ -7,7 +7,7 @@
  * (c) 1999 Straylight/Edgeware
  */
 
-/*----- Licensing notice --------------------------------------------------* 
+/*----- Licensing notice --------------------------------------------------*
  *
  * This file is part of Catacomb.
  *
@@ -15,12 +15,12 @@
  * it under the terms of the GNU Library General Public License as
  * published by the Free Software Foundation; either version 2 of the
  * License, or (at your option) any later version.
- * 
+ *
  * Catacomb is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU Library General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Library General Public
  * License along with Catacomb; if not, write to the Free
  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
@@ -30,6 +30,8 @@
 /*----- Header files ------------------------------------------------------*/
 
 #define _GNU_SOURCE
+#include "config.h"
+
 #include <stdio.h>
 #include <limits.h>
 #if __STDC_VERSION__ >= 199900l
@@ -60,7 +62,7 @@
   typedef uintmax_t umax;
 # define P_UMAX PRIuMAX
 #elif defined(ULLONG_MAX)
-  __extension__ typedef unsigned long long umax;
+  EXT typedef unsigned long long umax;
 # define P_UMAX "llu"
 #else
   typedef unsigned long umax;
@@ -105,6 +107,7 @@ int main(int argc, char *argv[])
   itype *i;
   itype *largest, *mpw, *mpd;
   const static char *extstr = "CATACOMB_MPTYPES_EXTENSION ";
+  unsigned p2;
 
   /* --- Find the bitcounts --- */
 
@@ -123,6 +126,17 @@ int main(int argc, char *argv[])
    * which is twice as big as that one.
    */
 
+#if defined(FORCE_MPW_CUSSID)
+  largest = mpd = &tytab[3];
+  mpw = &tytab[2];
+  mpw->bits = 19; mpw->max = 0x7ffff;
+  mpd->bits = 38; mpd->max = 0x3fffffffffll;
+#elif defined(FORCE_MPW_SHORT)
+  largest = mpd = &tytab[2];
+  mpw = &tytab[1];
+  mpw->bits = 16; mpw->max = 0xffff;
+  mpd->bits = 32; mpd->max = 0xffffffff;
+#else
   largest = tytab;
   for (i = tytab; i->name; i++) {
     if (i->bits > largest->bits)
@@ -144,7 +158,9 @@ int main(int argc, char *argv[])
     w.bits /= 2; w.max = ~(~((umax)0) << w.bits);
     d.bits = w.bits * 2; d.max = ~(~((umax)0) << d.bits);
     mpw = &w; mpd = &d;
-  }    
+  }
+#endif
+  for (p2 = 1; (p2 << 1) < mpw->bits; p2 <<= 1);
 
   /* --- Output time --- */
 
@@ -176,6 +192,7 @@ int main(int argc, char *argv[])
   printf("\
 %stypedef %s mpw;\n\
 #define MPW_BITS %u\n\
+#define MPW_P2 %u\n\
 #define MPW_MAX %s%" P_UMAX "%s\n\
 \n\
 %stypedef %s mpd;\n\
@@ -185,7 +202,7 @@ int main(int argc, char *argv[])
 #endif\n\
 ",
   mpw->flags & f_ext ? extstr : "", mpw->name,
-  mpw->bits,
+  mpw->bits, p2,
   mpw->flags & f_ext ? extstr : "", mpw->max, mpw->suff,
   mpd->flags & f_ext ? extstr : "", mpd->name,
   mpd->bits,