Source:SLASH'EM 0.0.7E7F2/tradstdc.h

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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. */ 4.     5.    #ifndef TRADSTDC_H 6.   #define TRADSTDC_H 7.    8.    #if defined(DUMB) && !defined(NOVOID) 9.   #define NOVOID 10.  #endif 11.   12.   #ifdef NOVOID 13.  #define void int 14.  #endif 15.   16.   /*  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  and 20.   * far pointer use. 21.   */  22.   #if (defined(__STDC__) || defined(__TURBOC__)) && !defined(NOTSTDC) 23.  #define NHSTDC 24.  #endif 25.   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. 29.   */  30.   #ifdef mips 31.  #define __mips mips 32.  #endif 33.   34.   #ifdef LANGUAGE_C 35.  #define __LANGUAGE_C LANGUAGE_C 36.  #endif 37.   38.   #endif 39.   40.   /*  41.    * ANSI X3J11 detection. 42.   * Makes substitutes for compatibility with the old C standard. 43.   */  44.    45.   /* Decide how to handle variable parameter lists: 46.   * USE_STDARG means use the ANSI  facilities (only ANSI compilers  47.    * should do this, and only if the library supports it). 48.   * USE_VARARGS means use the  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 52.   * others. 53.   */  54.    55.   /* #define USE_VARARGS */	/* use  instead of  */ 56.  /* #define USE_OLDARGS */	/* don't use any variable argument facilites */ 57.   58.   #if defined(apollo)             /* Apollos have stdarg(3) but not stdarg.h */ 59.  # define USE_VARARGS 60.  #endif 61.   62.   #if defined(NHSTDC) || defined(ULTRIX_PROTO) || defined(MAC) 63.  # if !defined(USE_VARARGS) && !defined(USE_OLDARGS) && !defined(USE_STDARG) 64.  #   define USE_STDARG 65.  # endif 66.  #endif 67.   68.   #ifdef NEED_VARARGS		/* only define these if necessary */ 69.  #ifdef USE_STDARG 70.  #include   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 */ 81.  # endif 82.  #else 83.  # ifdef USE_VARARGS 84.  #include   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) 94.  # else 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; { 101. #   define VA_START(x) 102. #   define VA_INIT(var1,typ1) 103. #   define VA_END 104. # endif 105. #endif 106. #endif /* NEED_VARARGS */ 107.  108.  #if defined(NHSTDC) || defined(MSDOS) || defined(MAC) || defined(ULTRIX_PROTO) || defined(__BEOS__) 109.  110.  /*  111.   * Used for robust ANSI parameter forward declarations: 112.  * int VDECL(sprintf, (char *, const char *, ...)); 113.  *  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 <> syntax. 120.  */  121.   122.  # define NDECL(f)	f(void)	/* overridden later if USE_TRAMPOLI set */ 123.  124.  # define FDECL(f,p)	f p  125. 126. # if defined(MSDOS) || defined(USE_STDARG) 127. #  define VDECL(f,p)	f p  128. # else 129. #  define VDECL(f,p)	f 130. # endif 131.  132.  /* generic pointer, always a macro; genericptr_t is usually a typedef */ 133. # define genericptr	void * 134.  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. 140.  */  141.  /* And IBM CSet/2. The redeclaration of free hoses the compile. */ 142.  #  define genericptr_t	genericptr 143. # else 144. #  if !defined(NHSTDC) && !defined(MAC) 145. #   define const 146. #   define signed 147. #   define volatile 148. #  endif 149. # endif 150.  151.  /*  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.  156. */ 157.  # if (defined(ULTRIX_PROTO) && !defined(NHSTDC)) || defined(apollo) 158. 	/* the system header files don't use `const' properly */ 159. #  ifndef const 160. #   define const 161. #  endif 162. # endif 163.  164.  #else /* NHSTDC */	/* a "traditional" C  compiler */ 165.  166.  # define NDECL(f)	f 167. # define FDECL(f,p)	f 168. # define VDECL(f,p)	f 169.  170.  # if defined(AMIGA) || defined(HPUX) || defined(POSIX_TYPES) || defined(__DECC) || defined(__BORLANDC__) 171. #  define genericptr	void * 172. # endif 173. # ifndef genericptr 174. #  define genericptr	char * 175. # endif 176.  177.  /*  178.   * Traditional C compilers don't have "signed", "const", or "volatile". 179.  */  180.  # define signed 181. # define const 182. # define volatile 183.  184.  #endif /* NHSTDC */ 185.  186.   187.  #ifndef genericptr_t 188. typedef genericptr genericptr_t;	/* (void *) or (char *) */ 189. #endif 190.  191.   192.  /*  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. 199.  */  200.  #if defined(MSDOS) && !defined(__GO32__) 201. #define UNWIDENED_PROTOTYPES 202. #endif 203. #if defined(AMIGA) && !defined(AZTEC_50) 204. #define UNWIDENED_PROTOTYPES 205. #endif 206. #if defined(MAC_MPW) 207. #define WIDENED_PROTOTYPES 208. #endif 209. #if defined(__MWERKS__) && defined(__BEOS__) 210. #define UNWIDENED_PROTOTYPES 211. #endif 212. #if defined(WIN32) 213. #define UNWIDENED_PROTOTYPES 214. #endif 215.  216.  #if defined(ULTRIX_PROTO) && defined(ULTRIX_CC20) 217. #define UNWIDENED_PROTOTYPES 218. #endif 219. #if defined(apollo) 220. #define UNWIDENED_PROTOTYPES 221. #endif 222.  223.  #ifndef UNWIDENED_PROTOTYPES 224. # if defined(NHSTDC) || defined(ULTRIX_PROTO) || defined(THINK_C) 225. # define WIDENED_PROTOTYPES 226. # endif 227. #endif 228.  229.  #if 0 230. /* 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. 233.  */  234.  #if defined(__sgi) && !defined(__GNUC__) 235. /*  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. 242.  */  243.  # undef NDECL 244. # undef FDECL 245. # undef VDECL 246. # define NDECL(f)	f 247. # define FDECL(f,p)	f 248. # define VDECL(f,p)	f 249. #endif 250. #endif 251.  252.   253.  	/* MetaWare High-C defaults to unsigned chars */ 254. 	/* AIX 3.2 needs this also */ 255. #if defined(__HC__) || defined(_AIX32) 256. # undef signed 257. #endif 258.  259.   260.  /*  261.   * Allow gcc2 to check parameters of printf-like calls with -Wformat; 262.  * append this to a prototype declaration (see pline in extern.h). 263.  */  264.  #ifdef __GNUC__ 265. # if __GNUC__ >= 2 266. #define PRINTF_F(f,v) __attribute__ ((format (printf, f, v))) 267. # endif 268. #endif 269. #ifndef PRINTF_F 270. #define PRINTF_F(f,v) 271. #endif 272.  273.  #endif /* TRADSTDC_H */