compiler.h

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 2007 The NASM Authors - All Rights Reserved
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of the license given in the file "License"
   7  *   distributed in the NASM archive.
   8  *
   9  * ----------------------------------------------------------------------- */
  10
  11 /*
  12  * compiler.h
  13  *
  14  * Compiler-specific macros for NASM.  Feel free to add support for
  15  * other compilers in here.
  16  *
  17  * This header file should be included before any other header.
  18  */
  19
  20 #ifndef NASM_COMPILER_H
  21 #define NASM_COMPILER_H 1
  22
  23 #ifdef HAVE_CONFIG_H
  24 # include "config.h"
  25 #endif
  26
  27 #ifdef __GNUC__
  28 # if __GNUC__ >= 4
  29 #  define HAVE_GNUC_4
  30 # endif
  31 # if __GNUC__ >= 3
  32 #  define HAVE_GNUC_3
  33 # endif
  34 #endif
  35
  36 #ifdef __GNUC__
  37 # define _unused        __attribute__((unused))
  38 #else
  39 # define _unused
  40 #endif
  41
  42 /* Some versions of MSVC have these only with underscores in front */
  43 #include <stddef.h>
  44 #include <stdarg.h>
  45 #include <stdio.h>
  46
  47 #ifndef HAVE_SNPRINTF
  48 # ifdef HAVE__SNPRINTF
  49 #  define snprintf _snprintf
  50 # else
  51 int snprintf(char *, size_t, const char *, ...);
  52 # endif
  53 #endif
  54
  55 #ifndef HAVE_VSNPRINTF
  56 # ifdef HAVE__VSNPRINT
  57 #  define vsnprintf _vsnprintf
  58 # else
  59 int vsnprintf(char *, size_t, const char *, va_list);
  60 # endif
  61 #endif
  62
  63 #ifndef __cplusplus             /* C++ has false, true, bool as keywords */
  64 # ifdef HAVE_STDBOOL_H
  65 #  include <stdbool.h>
  66 # else
  67 typedef enum { false, true } bool;
  68 # endif
  69 #endif
  70
  71 #endif  /* NASM_COMPILER_H */