/* -*-c-*-
*
- * Program to find appropriate types for multiprecision integer stuff.
+ * $Id$
+ *
+ * Generate `mptypes.h' header file for current architecture
+ *
+ * (c) 1999 Straylight/Edgeware
*/
+/*----- Licensing notice --------------------------------------------------*
+ *
+ * This file is part of Catacomb.
+ *
+ * Catacomb is free software; you can redistribute it and/or modify
+ * 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,
+ * MA 02111-1307, USA.
+ */
+
+/*----- Header files ------------------------------------------------------*/
+
#define _GNU_SOURCE
#include <stdio.h>
#include <limits.h>
#if __STDC_VERSION__ >= 199900l
# include <stdint.h>
+# include <inttypes.h>
#endif
+/*----- Data types --------------------------------------------------------*/
+
/* --- Hack for GCC --- *
*
* WG14 in their infinite wisdom decided not to use the GCC constant name.
*/
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 91)
+# define EXT __extension__
+#else
+# define EXT
+#endif
+
#if defined(ULONG_LONG_MAX) && !defined(ULLONG_MAX)
# define ULLONG_MAX ULONG_LONG_MAX
#endif
typedef uintmax_t umax;
# define P_UMAX PRIuMAX
#elif defined(ULLONG_MAX)
- typedef unsigned long long umax;
-# define P_UMAX "%llu"
+ __extension__ typedef unsigned long long umax;
+# define P_UMAX "llu"
#else
typedef unsigned long umax;
-# define P_UMAX "%lu"
+# define P_UMAX "lu"
#endif
/* --- Table of interesting types --- *
*/
enum {
- f_stdint
+ f_stdint = 1u,
+ f_ext = 2u
};
struct itype {
const char *name;
+ const char *suff;
umax max;
unsigned flags;
unsigned bits;
} tytab[] = {
- { "unsigned int", UINT_MAX, 0 },
- { "unsigned short", USHRT_MAX, 0 },
- { "unsigned long", ULONG_MAX, 0 },
+ { "unsigned int", "u", UINT_MAX, 0 },
+ { "unsigned short", "u", USHRT_MAX, 0 },
+ { "unsigned long", "ul", ULONG_MAX, 0 },
#ifdef ULLONG_MAX
- { "unsigned long long", ULLONG_MAX, 0 },
+ { "unsigned long long", "ull", EXT ULLONG_MAX, f_ext },
#endif
#ifdef UINTMAX_MAX
- { "uintmax_t", UINTMAX_MAX, f_stdint },
+ { "uintmax_t", "u", UINTMAX_MAX, f_stdint },
#endif
{ 0, 0 },
};
typedef struct itype itype;
-/* --- Main program --- */
+/*----- Main code ---------------------------------------------------------*/
int main(int argc, char *argv[])
{
itype *i;
itype *largest, *mpw, *mpd;
+ const static char *extstr = "CATACOMB_MPTYPES_EXTENSION ";
/* --- Find the bitcounts --- */
* mptypes.h [generated]\n\
*/\n\
\n\
-#ifndef MPTYPES_H\n\
-#define MPTYPES_H\n\
+#ifndef CATACOMB_MPTYPES_H\n\
+#define CATACOMB_MPTYPES_H\n\
");
if ((mpd->flags | mpw->flags) & f_stdint) {
puts("\
#endif\n\
");
}
+ if ((mpd->flags | mpw->flags) & f_ext) {
+ printf("\
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 91)\n\
+# define %s __extension__\n\
+#else\n\
+# define %s\n\
+#endif\n\
+", extstr, extstr);
+ }
printf("\
-typedef %s mpw;\n\
+%stypedef %s mpw;\n\
#define MPW_BITS %u\n\
-#define MPW_MAX " P_UMAX "\n\
+#define MPW_MAX %s%" P_UMAX "%s\n\
\n\
-typedef %s mpd;\n\
+%stypedef %s mpd;\n\
#define MPD_BITS %u\n\
-#define MPD_MAX " P_UMAX "\n\
+#define MPD_MAX %s%" P_UMAX "%s\n\
\n\
#endif\n\
",
- mpw->name, mpw->bits, mpw->max,
- mpd->name, mpd->bits, mpd->max);
+ mpw->flags & f_ext ? extstr : "", mpw->name,
+ mpw->bits,
+ mpw->flags & f_ext ? extstr : "", mpw->max, mpw->suff,
+ mpd->flags & f_ext ? extstr : "", mpd->name,
+ mpd->bits,
+ mpd->flags & f_ext ? extstr : "", mpd->max, mpd->suff);
return (0);
}
+
+/*----- That's all, folks -------------------------------------------------*/