dmake/extern.h

   1 /* $RCSfile: extern.h,v $
   2 -- $Revision: 1.13 $
   3 -- last change: $Author: kz $ $Date: 2008-03-05 18:28:27 $
   4 --
   5 -- SYNOPSIS
   6 --      External declarations for dmake functions.
   7 --
   8 -- DESCRIPTION
   9 --      ANSI is a macro that allows the proper handling of ANSI style
  10 --      function declarations.
  11 --
  12 -- AUTHOR
  13 --      Dennis Vadura, dvadura@dmake.wticorp.com
  14 --
  15 -- WWW
  16 --      http://dmake.wticorp.com/
  17 --
  18 -- COPYRIGHT
  19 --      Copyright (c) 1996,1997 by WTI Corp.  All rights reserved.
  20 --
  21 --      This program is NOT free software; you can redistribute it and/or
  22 --      modify it under the terms of the Software License Agreement Provided
  23 --      in the file <distribution-root>/readme/license.txt.
  24 --
  25 -- LOG
  26 --      Use cvs log to obtain detailed change logs.
  27 */
  28
  29 #ifndef EXTERN_h
  30 #define EXTERN_h
  31
  32 /* For MSVC++ needs to include windows.h first to avoid problems with
  33  * type redefinitions. Include it also for MinGW for consistency. */
  34 #if defined(__MINGW32__) || defined(_MSC_VER)
  35 #include <windows.h>
  36 #endif
  37
  38 #include "config.h"
  39
  40 /* Define this for the RS/6000 if it breaks something then we have to put a
  41  * #ifdef around it. */
  42 #if defined(rs6000)
  43 #define _POSIX_SOURCE
  44 #endif
  45
  46 #include <stdio.h>
  47 #ifdef HAVE_LIMITS_H
  48 #  include <limits.h>
  49 #endif
  50 #include <stdlib.h>
  51 #ifdef HAVE_UNISTD_H
  52 #  include <unistd.h>
  53 #endif
  54 #include <string.h>
  55 #include <ctype.h>
  56 #ifdef HAVE_FCNTL_H
  57 #  include <fcntl.h>
  58 #endif
  59
  60 #if TIME_WITH_SYS_TIME
  61 #  include <sys/time.h>
  62 #  include <time.h>
  63 #else
  64 # if HAVE_SYS_TIME_H
  65 #  include <sys/time.h>
  66 # else
  67 #  include <time.h>
  68 # endif
  69 #endif
  70
  71 #if HAVE_SYS_TYPES_H
  72 # include <sys/types.h>
  73 #else
  74 # include <types.h>
  75 #endif
  76 #if HAVE_SYS_STAT_H
  77 # include <sys/stat.h>
  78 #endif
  79 #if HAVE_UTIME_H
  80 # include <utime.h>
  81 #endif
  82
  83 #define DMPVOID void *
  84
  85 #include <signal.h>
  86 #include "itypes.h"
  87 #include "stdmacs.h"
  88 #include "alloc.h"
  89 #include "db.h"
  90 #include "dstdarg.h"
  91 #include "dmake.h"
  92 #include "struct.h"
  93 #include "vextern.h"
  94 #include "public.h"
  95
  96 /* Include this last as it invalidates some functions that are defined
  97  * externally above and turns them into no-ops.  Have to do this after
  98  * the extern declarations however. */
  99 #include "posix.h"
 100
 101
 102
 103 /* Common declarations
 104  * ===================
 105  * are better made here then in local public.h. So far dmake didn't follow
 106  * this strategy but new functions will be added here. */
 107
 108 /* Use our own implementation if no library function is present. */
 109 #ifndef HAVE_STRLWR
 110 /* from dmstring.c */
 111 char *strlwr(char *p);
 112 #endif
 113
 114 /* from function.c */
 115 char *exec_normpath(char *args);
 116
 117 /* from make.c */
 118 void Unmake(CELLPTR cp);
 119
 120 /* from path.c */
 121 void Clean_path(char *path);
 122 char *normalize_path(char *path);
 123
 124 /* from sysintf.c */
 125 /* cygdospath()/DO_WINPATH() are only needed for the .WINPATH attribute
 126  * on cygwin. */
 127 #if __CYGWIN__
 128 char *cygdospath(char *src, int winpath);
 129 # define DO_WINPATH(p) cygdospath(p, UseWinpath)
 130 #else
 131 # define DO_WINPATH(p) p
 132 #endif
 133
 134
 135 /* Define some usefull macros. This is done here and not in config.h
 136  * to keep this changes usefull even when not using the autotools based
 137  * build, i.e. using config.h files that are local to the architecture. */
 138 #if defined(_WIN32) || defined(__CYGWIN__) || defined(MSDOS) || defined(OS2) || defined(__EMX__)
 139 #  define HAVE_DRIVE_LETTERS 1
 140 #endif
 141
 142 #if defined(_WIN32) || defined(MSDOS) || defined(OS2) && !defined(__CYGWIN__)
 143 #  define NULLDEV "NUL"
 144 #else
 145 #  define NULLDEV "/dev/null"
 146 #endif
 147
 148 /* For MSVC 6.0 and newer and MinGW use the CreateProcess() function. */
 149 #if defined(__MINGW32__) || defined(_MSC_VER) && _MSC_VER >= 1200
 150 #  define USE_CREATEPROCESS 1
 151 #else
 152 /* #undef USE_CREATEPROCESS */
 153 #endif
 154
 155 /*  CreateProcess() is spawn-like. */
 156 #if ENABLE_SPAWN && ( HAVE_SPAWN_H || __CYGWIN__ || __EMX__) || defined(USE_CREATEPROCESS)
 157 #  define USE_SPAWN 1
 158 #else
 159 /* #undef USE_SPAWN */
 160 #endif
 161
 162 /* Work around some of the functions that may or may not exist */
 163 #if ! HAVE_TZSET
 164 #if HAVE_SETTZ
 165 #  define tzset() settz()
 166 #else
 167 #  warn "tzset is not supported, null out"
 168 #  define tzset()
 169 #endif
 170 #endif
 171
 172 /* Get the working directory fall back code */
 173 #if ! HAVE_GETCWD
 174 #if HAVE_GETWD
 175 #  define getcwd(buf,len) getwd(buf)
 176 #else
 177 #  error "You have no supported way of getting working directory"
 178 #endif
 179 #endif
 180
 181 /*  If setvbuf is not available set output to unbuffered */
 182 #if ! HAVE_SETVBUF
 183 #  define setvbuf(fp,bp,type,len) setbuf(fp,NULL)
 184 #endif
 185
 186 /* coreleft is used in some debug macros. Only Turbo C seems to provide
 187  * this function. Define it here so that the code compiles. */
 188 #ifdef DBUG
 189 #define coreleft() 0L
 190 #endif
 191
 192 #endif