1  /* do not edit automatically generated by mc from varargs.  */
       2  /* varargs.def provides a basic vararg facility for GNU Modula-2.
       3  
       4  Copyright (C) 2015-2023 Free Software Foundation, Inc.
       5  Contributed by Gaius Mulley <gaius@glam.ac.uk>.
       6  
       7  This file is part of GNU Modula-2.
       8  
       9  GNU Modula-2 is free software; you can redistribute it and/or modify
      10  it under the terms of the GNU General Public License as published by
      11  the Free Software Foundation; either version 3, or (at your option)
      12  any later version.
      13  
      14  GNU Modula-2 is distributed in the hope that it will be useful, but
      15  WITHOUT ANY WARRANTY; without even the implied warranty of
      16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17  General Public License for more details.
      18  
      19  You should have received a copy of the GNU General Public License
      20  along with GNU Modula-2; see the file COPYING3.  If not see
      21  <http://www.gnu.org/licenses/>.  */
      22  
      23  
      24  #if !defined (_varargs_H)
      25  #   define _varargs_H
      26  
      27  #include "config.h"
      28  #include "system.h"
      29  #   ifdef __cplusplus
      30  extern "C" {
      31  #   endif
      32  #include <stdbool.h>
      33  #   if !defined (PROC_D)
      34  #      define PROC_D
      35         typedef void (*PROC_t) (void);
      36         typedef struct { PROC_t proc; } PROC;
      37  #   endif
      38  
      39  #   include "GSYSTEM.h"
      40  
      41  #   if defined (_varargs_C)
      42  #      define EXTERN
      43  #   else
      44  #      define EXTERN extern
      45  #   endif
      46  
      47  #if !defined (varargs_vararg_D)
      48  #  define varargs_vararg_D
      49     typedef void *varargs_vararg;
      50  #endif
      51  
      52  
      53  /*
      54     nargs - returns the number of arguments wrapped in, v.
      55  */
      56  
      57  EXTERN unsigned int varargs_nargs (varargs_vararg v);
      58  
      59  /*
      60     arg - fills in, a, with the next argument.  The size of, a, must
      61           be an exact match with the original vararg parameter.
      62  */
      63  
      64  EXTERN void varargs_arg (varargs_vararg v, unsigned char *a, unsigned int _a_high);
      65  
      66  /*
      67     next - assigns the next arg to be collected as, i.
      68  */
      69  
      70  EXTERN void varargs_next (varargs_vararg v, unsigned int i);
      71  
      72  /*
      73     copy - returns a copy of, v.
      74  */
      75  
      76  EXTERN varargs_vararg varargs_copy (varargs_vararg v);
      77  
      78  /*
      79     replace - fills the next argument with, a.  The size of, a,
      80               must be an exact match with the original vararg
      81               parameter.
      82  */
      83  
      84  EXTERN void varargs_replace (varargs_vararg v, unsigned char *a, unsigned int _a_high);
      85  
      86  /*
      87     end - destructor for vararg, v.
      88  */
      89  
      90  EXTERN void varargs_end (varargs_vararg *v);
      91  
      92  /*
      93     start1 - wraps up argument, a, into a vararg.
      94  */
      95  
      96  EXTERN varargs_vararg varargs_start1 (const unsigned char *a_, unsigned int _a_high);
      97  
      98  /*
      99     start2 - wraps up arguments, a, b, into a vararg.
     100  */
     101  
     102  EXTERN varargs_vararg varargs_start2 (const unsigned char *a_, unsigned int _a_high, const unsigned char *b_, unsigned int _b_high);
     103  
     104  /*
     105     start3 - wraps up arguments, a, b, c, into a vararg.
     106  */
     107  
     108  EXTERN varargs_vararg varargs_start3 (const unsigned char *a_, unsigned int _a_high, const unsigned char *b_, unsigned int _b_high, const unsigned char *c_, unsigned int _c_high);
     109  
     110  /*
     111     start4 - wraps up arguments, a, b, c, d, into a vararg.
     112  */
     113  
     114  EXTERN varargs_vararg varargs_start4 (const unsigned char *a_, unsigned int _a_high, const unsigned char *b_, unsigned int _b_high, const unsigned char *c_, unsigned int _c_high, const unsigned char *d_, unsigned int _d_high);
     115  #   ifdef __cplusplus
     116  }
     117  #   endif
     118  
     119  #   undef EXTERN
     120  #endif