/* SCCS Id: @(#)tradstdc.h 3.1 93/05/30 */ /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ /* NetHack may be freely redistributed. See license for details. */ #ifndef TRADSTDC_H #define TRADSTDC_H #if defined(DUMB) && !defined(NOVOID) #define NOVOID #endif #ifdef NOVOID #define void int #endif #if defined(__STDC__) && !defined(NOTSTDC) #define NHSTDC #endif #if defined(ultrix) && defined(__STDC__) && !defined(__LANGUAGE_C) /* Ultrix seems to be in a constant state of flux. This check attempts to * set up ansi compatibility if it wasn't set up correctly by the compiler. */ #ifdef mips #define __mips mips #endif #ifdef LANGUAGE_C #define __LANGUAGE_C LANGUAGE_C #endif #endif /* * ANSI X3J11 detection. * Makes substitutes for compatibility with the old C standard. */ /* Decide how to handle variable parameter lists: * USE_STDARG means use the ANSI facilities (only ANSI compilers * should do this, and only if the library supports it). * USE_VARARGS means use the facilities. Again, this should only * be done if the library supports it. ANSI is *not* required for this. * Otherwise, the kludgy old methods are used. * The defaults are USE_STDARG for ANSI compilers, and USE_OLDARGS for * others. */ /* #define USE_VARARGS /* use instead of */ /* #define USE_OLDARGS /* don't use any variable argument facilites */ #if defined(apollo) /* Apollos have stdarg(3) but not stdarg.h */ # define USE_VARARGS #endif #if defined(NHSTDC) || defined(ULTRIX_PROTO) || defined(MAC) # if !defined(USE_VARARGS) && !defined(USE_OLDARGS) && !defined(USE_STDARG) # define USE_STDARG # endif #endif #ifdef NEED_VARARGS /* only define these if necessary */ #ifdef USE_STDARG # include # define VA_DECL(typ1,var1) (typ1 var1, ...) { va_list the_args; # define VA_DECL2(typ1,var1,typ2,var2) \ (typ1 var1, typ2 var2, ...) { va_list the_args; # define VA_INIT(var1,typ1) # define VA_NEXT(var1,typ1) var1 = va_arg(the_args, typ1) # define VA_ARGS the_args # define VA_START(x) va_start(the_args, x) # define VA_END() va_end(the_args) # if defined(ULTRIX_PROTO) && !defined(_VA_LIST_) # define _VA_LIST_ /* prevents multiple def in stdio.h */ # endif #else # ifdef USE_VARARGS # include # define VA_DECL(typ1,var1) (va_alist) va_dcl {\ va_list the_args; typ1 var1; # define VA_DECL2(typ1,var1,typ2,var2) (va_alist) va_dcl {\ va_list the_args; typ1 var1; typ2 var2; # define VA_ARGS the_args # define VA_START(x) va_start(the_args) # define VA_INIT(var1,typ1) var1 = va_arg(the_args, typ1) # define VA_NEXT(var1,typ1) var1 = va_arg(the_args,typ1) # define VA_END() va_end(the_args) # else # define VA_ARGS arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9 # define VA_DECL(typ1,var1) (var1,VA_ARGS) typ1 var1; \ char *arg1,*arg2,*arg3,*arg4,*arg5,*arg6,*arg7,*arg8,*arg9; { # define VA_DECL2(typ1,var1,typ2,var2) (var1,var2,VA_ARGS) \ typ1 var1; typ2 var2;\ char *arg1,*arg2,*arg3,*arg4,*arg5,*arg6,*arg7,*arg8,*arg9; { # define VA_START(x) # define VA_INIT(var1,typ1) # define VA_END() # endif #endif #endif /* NEED_VARARGS */ #if defined(NHSTDC) || defined(MSDOS) || defined(MAC) || defined(ULTRIX_PROTO) /* * Used for robust ANSI parameter forward declarations: * int VDECL(sprintf, (char *, const char *, ...)); * * NDECL() is used for functions with zero arguments; * FDECL() is used for functions with a fixed number of arguments; * VDECL() is used for functions with a variable number of arguments. * Separate macros are needed because ANSI will mix old-style declarations * with prototypes, except in the case of varargs, and the OVERLAY-specific * trampoli.* mechanism conflicts with the ANSI <> syntax. */ # define NDECL(f) f(void) /* Must be overridden if OVERLAY set later */ # define FDECL(f,p) f p # if defined(MSDOS) || defined(USE_STDARG) # define VDECL(f,p) f p # else # define VDECL(f,p) f() # endif /* generic pointer, always a macro; genericptr_t is usually a typedef */ # define genericptr void * # if defined(__TURBOC__) || (defined(ULTRIX_PROTO) && !defined(__GNUC__)) || defined(OS2_CSET2) /* Cover for stupid Turbo C */ /* And Ultrix on a DECstation with 2.0 compiler, which coredumps on * typedef void * genericptr_t; * extern void a(void(*)(int, genericptr_t)); * Using the #define is OK for other compiler versions too. */ /* And IBM CSet/2. The redeclaration of free hoses the compile. */ # define genericptr_t genericptr # else # if !defined(NHSTDC) && !defined(MAC) # define const # define signed # define volatile # endif # endif /* * Suppress `const' if necessary and not handled elsewhere. * Don't use `#if defined(xxx) && !defined(const)' * because some compilers choke on `defined(const)'. * This has been observed with Lattice, MPW, and High C. */ # if (defined(ULTRIX_PROTO) && !defined(NHSTDC)) || defined(apollo) /* the system header files don't use `const' properly */ # ifndef const # define const # endif # endif #else /* NHSTDC */ /* a "traditional" C compiler */ # define NDECL(f) f() # define FDECL(f,p) f() # define VDECL(f,p) f() # if defined(AMIGA) || defined(HPUX) || defined(POSIX_TYPES) || defined(__DECC) # define genericptr void * # endif # ifndef genericptr # define genericptr char * # endif /* * Traditional C compilers don't have "signed", "const", or "volatile". */ # define signed # define const # define volatile #endif /* NHSTDC */ #ifndef genericptr_t typedef genericptr genericptr_t; /* (void *) or (char *) */ #endif /* * According to ANSI, prototypes for old-style declarations must widen the * arguments to int. However, the MSDOS compilers accept shorter arguments * (char, short, etc.) in prototypes and do typechecking with them. Therefore * this mess to allow the better typechecking while also allowing some * prototypes for the ANSI compilers so people quit trying to fix the * prototypes to match the standard and thus lose the typechecking. */ #if defined(MSDOS) && !defined(__TURBOC__) && !defined(__GO32__) #define UNWIDENED_PROTOTYPES #endif #if defined(AMIGA) && !defined(AZTEC_50) #define UNWIDENED_PROTOTYPES #endif #if defined(MAC) && !defined(THINK_C) #define UNWIDENED_PROTOTYPES #endif #if defined(ULTRIX_PROTO) && defined(ULTRIX_CC20) #define UNWIDENED_PROTOTYPES #endif #if defined(apollo) #define UNWIDENED_PROTOTYPES #endif #ifndef UNWIDENED_PROTOTYPES # if defined(NHSTDC) || defined(__TURBOC__) || defined(ULTRIX_PROTO) || defined(THINK_C) # define WIDENED_PROTOTYPES # endif #endif #if defined(sgi) && !defined(__GNUC__) /* * As of IRIX 4.0.1, /bin/cc claims to be an ANSI compiler, but it thinks * it's impossible for a prototype to match an old-style definition with * unwidened argument types. Thus, we have to turn off all NetHack * prototypes, and avoid declaring several system functions, since the system * include files have prototypes and the compiler also complains that * prototyped and unprototyped declarations don't match. */ # undef NDECL # undef FDECL # undef VDECL # define NDECL(f) f() # define FDECL(f,p) f() # define VDECL(f,p) f() #endif #ifdef __HC__ /* MetaWare High-C defaults to unsigned chars */ # undef signed #endif /* * Allow gcc2 to check parameters of printf-like calls with -Wformat; * append this to a prototype declaration (see pline() in extern.h). */ #ifdef __GNUC__ # if __GNUC__ >= 2 #define PRINTF_F(f,v) __attribute__ ((format (printf, f, v))) # endif #endif #ifndef PRINTF_F #define PRINTF_F(f,v) #endif #endif /* TRADSTDC_H */