source/texk/web2c/w2c/config.h

   1 /* w2c/config.h: All .c files include this first.
   2
   3 Copyright 1995, 1996, 2006, 2007, 2009, 2010, 2012, 2014,
   4           2015 Karl Berry.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, see <http://www.gnu.org/licenses/.  */
  18
  19 #ifndef WEB2C_CONFIG_H
  20 #define WEB2C_CONFIG_H
  21
  22 /* The stuff from the path searching library.  */
  23 #include <kpathsea/config.h>
  24 #include <w2c/c-auto.h>
  25 #include <stdarg.h>
  26
  27 /* How to open a binary file.  */
  28 #include <kpathsea/c-fopen.h>
  29 \f
  30 #ifdef __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 /* The smallest signed type: use `signed char' if ANSI C, `short' if
  35    char is unsigned, otherwise `char'.  */
  36 #ifndef SCHAR_TYPE
  37 #if __STDC__
  38 #define SCHAR_TYPE signed char
  39 #else /* not __STDC */
  40 #ifdef __CHAR_UNSIGNED__
  41 #define SCHAR_TYPE short
  42 #else
  43 #define SCHAR_TYPE char
  44 #endif
  45 #endif /* not __STDC__ */
  46 #endif /* not SCHAR_TYPE */
  47 typedef SCHAR_TYPE schar;
  48 \f
  49 /* The type `integer' must be a signed integer capable of holding at
  50    least the range of numbers (-2^31)..(2^31-1).  If your compiler goes
  51    to great lengths to make programs fail, you might have to change this
  52    definition.  If this changes, you may have to modify
  53    web2c/fixwrites.c, since it generates code to do integer output using
  54    "%ld", and casts all integral values to be printed to `long'.
  55
  56    If you define your own INTEGER_TYPE, you have to define your own
  57    INTEGER_MAX and INTEGER_MIN, too. */
  58 #ifndef INTEGER_TYPE
  59
  60 #if SIZEOF_LONG > 4 && !defined (NO_DUMP_SHARE)
  61 /* If we have 64-bit longs and want to share format files (with 32-bit
  62    machines), use `int'.  */
  63 #define INTEGER_IS_INT
  64 #endif
  65
  66 #ifdef INTEGER_IS_INT
  67 #define INTEGER_TYPE int
  68 #define INTEGER_MAX INT_MAX
  69 #define INTEGER_MIN INT_MIN
  70 #else
  71 #define INTEGER_TYPE long
  72 #define INTEGER_MAX LONG_MAX
  73 #define INTEGER_MIN LONG_MIN
  74 #endif /* not INTEGER_IS_INT */
  75
  76 #endif /* not INTEGER_TYPE */
  77
  78 typedef INTEGER_TYPE integer;
  79
  80 /* We need a type that's at least off_t wide */
  81 typedef off_t longinteger;
  82
  83 /* To print file offsets we cast them to `LONGINTEGER_TYPE' (or
  84    `unsigned LONGINTEGER_TYPE') and use the conversion specifier
  85    `"%" LONGINTEGER_PRI "d"' (or `"%" LONGINTEGER_PRI "u"').  */
  86 #if defined(WIN32)
  87 #define LONGINTEGER_TYPE __int64
  88 #define LONGINTEGER_PRI "I64"
  89 #elif SIZEOF_LONG < SIZEOF_OFF_T
  90 #define LONGINTEGER_TYPE long long
  91 #define LONGINTEGER_PRI "ll"
  92 #else
  93 #define LONGINTEGER_TYPE long
  94 #define LONGINTEGER_PRI "l"
  95 #endif
  96
  97 /* We also need a genuine 64-bit integer type.  */
  98 #if defined(WIN32)
  99 typedef __int64 integer64;
 100 #else
 101 typedef int64_t integer64;
 102 #endif
 103
 104 /* And we need uintptr_t.  */
 105 #ifndef HAVE_UINTPTR_T
 106 # if SIZEOF_VOID_P == SIZEOF_INT
 107 typedef unsigned int uintptr_t;
 108 # elif SIZEOF_VOID_P == SIZEOF_LONG
 109 typedef unsigned long uintptr_t;
 110 # endif
 111 #endif
 112 \f
 113 /* I don't want to write a configure test for remove when all Unix
 114    machines have unlink.  But, for the sake of non-Unix machines that
 115    support ANSI C... */
 116 #if !defined (unix) && !defined (__unix__) && defined (__STDC__) && !defined (unlink)
 117 #define unlink remove
 118 #endif
 119
 120 /* Window support on the Amiga is just for the Amiga.  */
 121 #ifdef AMIGA
 122 #define AMIGAWIN
 123 #endif
 124
 125 /* Window support for WIN32 machines. */
 126 #ifdef WIN32
 127 #define WIN32WIN
 128 #endif
 129
 130 #if defined __GNUC__ && __GNUC__ >=3
 131 #define WEB2C_NORETURN __attribute__((__noreturn__))
 132 #else
 133 #define WEB2C_NORETURN
 134 #endif
 135
 136 /* From uexit.c.  This is here because the lib/ and web2c/ routines
 137    themselves can use it, but they don't need cpascal.h.  */
 138 WEB2C_NORETURN
 139 extern void uexit (int status);
 140
 141 /* usage.c */
 142 extern void usage (const_string progname);
 143 extern void usagehelp (const_string *message, const_string bug_email);
 144
 145 #ifdef __cplusplus
 146 }
 147 #endif
 148
 149 #endif /* not WEB2C_CONFIG_H */