1 /* SCCS Id: @(#)tradstdc.h 3.4 1993/05/30 */
2 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3 /* NetHack may be freely redistributed. See license for details. */
8 #if defined(DUMB) && !defined(NOVOID)
17 * Borland C provides enough ANSI C compatibility in its Borland C++
18 * mode to warrant this. But it does not set __STDC__ unless it compiles
19 * in its ANSI keywords only mode, which prevents use of <dos.h> and
22 #if (defined(__STDC__) || defined(__TURBOC__)) && !defined(NOTSTDC)
26 #if defined(ultrix) && defined(__STDC__) && !defined(__LANGUAGE_C)
27 /* Ultrix seems to be in a constant state of flux. This check attempts to
28 * set up ansi compatibility if it wasn't set up correctly by the compiler.
35 #define __LANGUAGE_C LANGUAGE_C
41 * ANSI X3J11 detection.
42 * Makes substitutes for compatibility with the old C standard.
45 /* Decide how to handle variable parameter lists:
46 * USE_STDARG means use the ANSI <stdarg.h> facilities (only ANSI compilers
47 * should do this, and only if the library supports it).
48 * USE_VARARGS means use the <varargs.h> facilities. Again, this should only
49 * be done if the library supports it. ANSI is *not* required for this.
50 * Otherwise, the kludgy old methods are used.
51 * The defaults are USE_STDARG for ANSI compilers, and USE_OLDARGS for
55 /* #define USE_VARARGS */ /* use <varargs.h> instead of <stdarg.h> */
56 /* #define USE_OLDARGS */ /* don't use any variable argument facilites */
58 #if defined(apollo) /* Apollos have stdarg(3) but not stdarg.h */
62 #if defined(NHSTDC) || defined(ULTRIX_PROTO) || defined(MAC)
63 # if !defined(USE_VARARGS) && !defined(USE_OLDARGS) && !defined(USE_STDARG)
68 #ifdef NEED_VARARGS /* only define these if necessary */
71 # define VA_DECL(typ1,var1) (typ1 var1, ...) { va_list the_args;
72 # define VA_DECL2(typ1,var1,typ2,var2) \
73 (typ1 var1, typ2 var2, ...) { va_list the_args;
74 # define VA_INIT(var1,typ1)
75 # define VA_NEXT(var1,typ1) var1 = va_arg(the_args, typ1)
76 # define VA_ARGS the_args
77 # define VA_START(x) va_start(the_args, x)
78 # define VA_END() va_end(the_args)
79 # if defined(ULTRIX_PROTO) && !defined(_VA_LIST_)
80 # define _VA_LIST_ /* prevents multiple def in stdio.h */
85 # define VA_DECL(typ1,var1) (va_alist) va_dcl {\
86 va_list the_args; typ1 var1;
87 # define VA_DECL2(typ1,var1,typ2,var2) (va_alist) va_dcl {\
88 va_list the_args; typ1 var1; typ2 var2;
89 # define VA_ARGS the_args
90 # define VA_START(x) va_start(the_args)
91 # define VA_INIT(var1,typ1) var1 = va_arg(the_args, typ1)
92 # define VA_NEXT(var1,typ1) var1 = va_arg(the_args,typ1)
93 # define VA_END() va_end(the_args)
95 # define VA_ARGS arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9
96 # define VA_DECL(typ1,var1) (var1,VA_ARGS) typ1 var1; \
97 char *arg1,*arg2,*arg3,*arg4,*arg5,*arg6,*arg7,*arg8,*arg9; {
98 # define VA_DECL2(typ1,var1,typ2,var2) (var1,var2,VA_ARGS) \
99 typ1 var1; typ2 var2;\
100 char *arg1,*arg2,*arg3,*arg4,*arg5,*arg6,*arg7,*arg8,*arg9; {
102 # define VA_INIT(var1,typ1)
106 #endif /* NEED_VARARGS */
108 #if defined(NHSTDC) || defined(MSDOS) || defined(MAC) || defined(ULTRIX_PROTO) || defined(__BEOS__)
111 * Used for robust ANSI parameter forward declarations:
112 * int VDECL(sprintf, (char *, const char *, ...));
114 * NDECL() is used for functions with zero arguments;
115 * FDECL() is used for functions with a fixed number of arguments;
116 * VDECL() is used for functions with a variable number of arguments.
117 * Separate macros are needed because ANSI will mix old-style declarations
118 * with prototypes, except in the case of varargs, and the OVERLAY-specific
119 * trampoli.* mechanism conflicts with the ANSI <<f(void)>> syntax.
122 # define NDECL(f) f(void) /* overridden later if USE_TRAMPOLI set */
124 # define FDECL(f,p) f p
126 # if defined(MSDOS) || defined(USE_STDARG)
127 # define VDECL(f,p) f p
129 # define VDECL(f,p) f()
132 /* generic pointer, always a macro; genericptr_t is usually a typedef */
133 # define genericptr void *
135 # if (defined(ULTRIX_PROTO) && !defined(__GNUC__)) || defined(OS2_CSET2)
136 /* Cover for Ultrix on a DECstation with 2.0 compiler, which coredumps on
137 * typedef void * genericptr_t;
138 * extern void a(void(*)(int, genericptr_t));
139 * Using the #define is OK for other compiler versions too.
141 /* And IBM CSet/2. The redeclaration of free hoses the compile. */
142 # define genericptr_t genericptr
144 # if !defined(NHSTDC) && !defined(MAC)
152 * Suppress `const' if necessary and not handled elsewhere.
153 * Don't use `#if defined(xxx) && !defined(const)'
154 * because some compilers choke on `defined(const)'.
155 * This has been observed with Lattice, MPW, and High C.
157 # if (defined(ULTRIX_PROTO) && !defined(NHSTDC)) || defined(apollo)
158 /* the system header files don't use `const' properly */
164 #else /* NHSTDC */ /* a "traditional" C compiler */
166 # define NDECL(f) f()
167 # define FDECL(f,p) f()
168 # define VDECL(f,p) f()
170 # if defined(AMIGA) || defined(HPUX) || defined(POSIX_TYPES) || defined(__DECC) || defined(__BORLANDC__)
171 # define genericptr void *
174 # define genericptr char *
178 * Traditional C compilers don't have "signed", "const", or "volatile".
188 typedef genericptr genericptr_t; /* (void *) or (char *) */
193 * According to ANSI, prototypes for old-style declarations must widen the
194 * arguments to int. However, the MSDOS compilers accept shorter arguments
195 * (char, short, etc.) in prototypes and do typechecking with them. Therefore
196 * this mess to allow the better typechecking while also allowing some
197 * prototypes for the ANSI compilers so people quit trying to fix the
198 * prototypes to match the standard and thus lose the typechecking.
200 #if defined(MSDOS) && !defined(__GO32__)
201 #define UNWIDENED_PROTOTYPES
203 #if defined(AMIGA) && !defined(AZTEC_50)
204 #define UNWIDENED_PROTOTYPES
206 #if defined(macintosh) && (defined(__SC__) || defined(__MRC__))
207 #define WIDENED_PROTOTYPES
209 #if defined(__MWERKS__) && defined(__BEOS__)
210 #define UNWIDENED_PROTOTYPES
213 #define UNWIDENED_PROTOTYPES
216 #if defined(ULTRIX_PROTO) && defined(ULTRIX_CC20)
217 #define UNWIDENED_PROTOTYPES
220 #define UNWIDENED_PROTOTYPES
223 #ifndef UNWIDENED_PROTOTYPES
224 # if defined(NHSTDC) || defined(ULTRIX_PROTO) || defined(THINK_C)
225 # define WIDENED_PROTOTYPES
230 /* The problem below is still the case through 4.0.5F, but the suggested
231 * compiler flags in the Makefiles suppress the nasty messages, so we don't
232 * need to be quite so drastic.
234 #if defined(__sgi) && !defined(__GNUC__)
236 * As of IRIX 4.0.1, /bin/cc claims to be an ANSI compiler, but it thinks
237 * it's impossible for a prototype to match an old-style definition with
238 * unwidened argument types. Thus, we have to turn off all NetHack
239 * prototypes, and avoid declaring several system functions, since the system
240 * include files have prototypes and the compiler also complains that
241 * prototyped and unprototyped declarations don't match.
246 # define NDECL(f) f()
247 # define FDECL(f,p) f()
248 # define VDECL(f,p) f()
253 /* MetaWare High-C defaults to unsigned chars */
254 /* AIX 3.2 needs this also */
255 #if defined(__HC__) || defined(_AIX32)
261 * Allow gcc2 to check parameters of printf-like calls with -Wformat;
262 * append this to a prototype declaration (see pline() in extern.h).
266 #define PRINTF_F(f,v) __attribute__ ((format (printf, f, v)))
270 #define PRINTF_F(f,v)
273 #endif /* TRADSTDC_H */