1/*  -*- Mode: C -*-  */
2
3/* compat.h --- fake the preprocessor into handlng portability
4 *
5 *  Time-stamp:      "2009-10-18 11:14:14 bkorb"
6 *
7 * $Id: 27c1eb45f171295ab6176280aeca742cfdbe9fed $
8 *
9 *  compat.h is free software.
10 *  This file is part of AutoGen.
11 *
12 *  AutoGen copyright (c) 1992-2009 by Bruce Korb - all rights reserved
13 *
14 *  AutoGen is free software: you can redistribute it and/or modify it
15 *  under the terms of the GNU General Public License as published by the
16 *  Free Software Foundation, either version 3 of the License, or
17 *  (at your option) any later version.
18 *
19 *  AutoGen is distributed in the hope that it will be useful, but
20 *  WITHOUT ANY WARRANTY; without even the implied warranty of
21 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
22 *  See the GNU General Public License for more details.
23 *
24 *  You should have received a copy of the GNU General Public License along
25 *  with this program.  If not, see <http://www.gnu.org/licenses/>.
26 *
27 *  As a special exception, Bruce Korb gives permission for additional
28 *  uses of the text contained in the release of compat.h.
29 *
30 *  The exception is that, if you link the compat.h library with other
31 *  files to produce an executable, this does not by itself cause the
32 *  resulting executable to be covered by the GNU General Public License.
33 *  Your use of that executable is in no way restricted on account of
34 *  linking the compat.h library code into it.
35 *
36 *  This exception does not however invalidate any other reasons why
37 *  the executable file might be covered by the GNU General Public License.
38 *
39 *  This exception applies only to the code released by Bruce Korb under
40 *  the name compat.h.  If you copy code from other sources under the
41 *  General Public License into a copy of compat.h, as the General Public
42 *  License permits, the exception does not apply to the code that you add
43 *  in this way.  To avoid misleading anyone as to the status of such
44 *  modified files, you must delete this exception notice from them.
45 *
46 *  If you write modifications of your own for compat.h, it is your choice
47 *  whether to permit this exception to apply to your modifications.
48 *  If you do not wish that, delete this exception notice.
49 */
50#ifndef COMPAT_H_GUARD
51#define COMPAT_H_GUARD 1
52
53#if defined(HAVE_CONFIG_H)
54#  include <config.h>
55
56#elif defined(_WIN32) && !defined(__CYGWIN__)
57#  include "windows-config.h"
58
59#else
60#  error "compat.h" requires "config.h"
61   choke me.
62#endif
63
64
65#ifndef HAVE_STRSIGNAL
66   char * strsignal( int signo );
67#endif
68
69#define  _GNU_SOURCE    1 /* for strsignal in GNU's libc */
70#define  __USE_GNU      1 /* exact same thing as above   */
71#define  __EXTENSIONS__ 1 /* and another way to call for it */
72
73/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
74 *
75 *  SYSTEM HEADERS:
76 */
77#include <sys/types.h>
78#ifdef HAVE_SYS_MMAN_H
79#  include <sys/mman.h>
80#endif
81#include <sys/param.h>
82#if HAVE_SYS_PROCSET_H
83#  include <sys/procset.h>
84#endif
85#include <sys/stat.h>
86#include <sys/wait.h>
87
88#if defined( HAVE_SOLARIS_SYSINFO )
89#  include <sys/systeminfo.h>
90#elif defined( HAVE_UNAME_SYSCALL )
91#  include <sys/utsname.h>
92#endif
93
94#ifdef DAEMON_ENABLED
95#  if HAVE_SYS_STROPTS_H
96#  include <sys/stropts.h>
97#  endif
98
99#  if HAVE_SYS_SOCKET_H
100#  include <sys/socket.h>
101#  endif
102
103#  if ! defined(HAVE_SYS_POLL_H) && ! defined(HAVE_SYS_SELECT_H)
104#    error This system cannot support daemon processing
105     Choke Me.
106#  endif
107
108#  if HAVE_SYS_POLL_H
109#  include <sys/poll.h>
110#  endif
111
112#  if HAVE_SYS_SELECT_H
113#  include <sys/select.h>
114#  endif
115
116#  if HAVE_NETINET_IN_H
117#  include <netinet/in.h>
118#  endif
119
120#  if HAVE_SYS_UN_H
121#  include <sys/un.h>
122#  endif
123#endif
124
125/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
126 *
127 *  USER HEADERS:
128 */
129#include <stdio.h>
130#include <assert.h>
131#include <ctype.h>
132
133/*
134 *  Directory opening stuff:
135 */
136# if defined (_POSIX_SOURCE)
137/* Posix does not require that the d_ino field be present, and some
138   systems do not provide it. */
139#    define REAL_DIR_ENTRY(dp) 1
140# else /* !_POSIX_SOURCE */
141#    define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
142# endif /* !_POSIX_SOURCE */
143
144# if defined (HAVE_DIRENT_H)
145#   include <dirent.h>
146#   define D_NAMLEN(dirent) strlen((dirent)->d_name)
147# else /* !HAVE_DIRENT_H */
148#   define dirent direct
149#   define D_NAMLEN(dirent) (dirent)->d_namlen
150#   if defined (HAVE_SYS_NDIR_H)
151#     include <sys/ndir.h>
152#   endif /* HAVE_SYS_NDIR_H */
153#   if defined (HAVE_SYS_DIR_H)
154#     include <sys/dir.h>
155#   endif /* HAVE_SYS_DIR_H */
156#   if defined (HAVE_NDIR_H)
157#     include <ndir.h>
158#   endif /* HAVE_NDIR_H */
159# endif /* !HAVE_DIRENT_H */
160
161#include <errno.h>
162#ifdef HAVE_FCNTL_H
163# include <fcntl.h>
164#endif
165#ifndef O_NONBLOCK
166# define O_NONBLOCK FNDELAY
167#endif
168
169#if defined(HAVE_LIBGEN) && defined(HAVE_LIBGEN_H)
170#  include <libgen.h>
171#endif
172
173#if defined(HAVE_LIMITS_H)  /* this is also in options.h */
174#  include <limits.h>
175#elif defined(HAVE_SYS_LIMITS_H)
176#  include <sys/limits.h>
177#endif /* HAVE_LIMITS/SYS_LIMITS_H */
178
179#include <memory.h>
180#include <setjmp.h>
181#include <signal.h>
182
183#if defined( HAVE_STDINT_H )
184#  include <stdint.h>
185#elif defined( HAVE_INTTYPES_H )
186#  include <inttypes.h>
187#endif
188
189#include <stdlib.h>
190#include <string.h>
191
192#include <time.h>
193
194#ifdef HAVE_UTIME_H
195#  include <utime.h>
196#endif
197
198#ifdef HAVE_UNISTD_H
199#  include <unistd.h>
200#endif
201
202/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
203 *
204 *  FIXUPS and CONVIENCE STUFF:
205 */
206#ifdef __cplusplus
207#   define EXTERN extern "C"
208#else
209#   define EXTERN extern
210#endif
211
212/* some systems #def errno! and others do not declare it!! */
213#ifndef errno
214   extern int errno;
215#endif
216
217/* Some machines forget this! */
218
219# ifndef EXIT_FAILURE
220#   define EXIT_SUCCESS 0
221#   define EXIT_FAILURE 1
222# endif
223
224#ifndef NUL
225#  define NUL '\0'
226#endif
227
228#ifndef NULL
229#  define NULL 0
230#endif
231
232#if !defined (MAXPATHLEN) && defined (HAVE_SYS_PARAM_H)
233#  include <sys/param.h>
234#endif /* !MAXPATHLEN && HAVE_SYS_PARAM_H */
235
236#if !defined (MAXPATHLEN) && defined (PATH_MAX)
237#  define MAXPATHLEN PATH_MAX
238#endif /* !MAXPATHLEN && PATH_MAX */
239
240#if !defined (MAXPATHLEN) && defined(_MAX_PATH)
241#  define PATH_MAX _MAX_PATH
242#  define MAXPATHLEN _MAX_PATH
243#endif
244
245#if !defined (MAXPATHLEN)
246#  define MAXPATHLEN ((size_t)4096)
247#endif /* MAXPATHLEN */
248
249#define AG_PATH_MAX  ((size_t)MAXPATHLEN)
250
251#ifndef LONG_MAX
252#  define LONG_MAX      ~(1L << (8*sizeof(long) -1))
253#  define INT_MAX       ~(1 << (8*sizeof(int) -1))
254#endif
255
256#ifndef ULONG_MAX
257#  define ULONG_MAX     ~(OUL)
258#  define UINT_MAX      ~(OU)
259#endif
260
261#ifndef SHORT_MAX
262#  define SHORT_MAX     ~(1 << (8*sizeof(short) - 1))
263#else
264#  define USHORT_MAX    ~(OUS)
265#endif
266
267#ifndef HAVE_INT8_T
268  typedef signed char           int8_t;
269# define  HAVE_INT8_T           1
270#endif
271#ifndef HAVE_UINT8_T
272  typedef unsigned char         uint8_t;
273# define  HAVE_UINT8_T          1
274#endif
275#ifndef HAVE_INT16_T
276  typedef signed short          int16_t;
277# define  HAVE_INT16_T          1
278#endif
279#ifndef HAVE_UINT16_T
280  typedef unsigned short        uint16_t;
281# define  HAVE_UINT16_T         1
282#endif
283
284#ifndef HAVE_INT32_T
285# if SIZEOF_INT ==              4
286    typedef signed int          int32_t;
287# elif SIZEOF_LONG ==           4
288    typedef signed long         int32_t;
289# endif
290# define  HAVE_INT32_T          1
291#endif
292
293#ifndef HAVE_UINT32_T
294# if SIZEOF_INT ==              4
295    typedef unsigned int        uint32_t;
296# elif SIZEOF_LONG ==           4
297    typedef unsigned long       uint32_t;
298# else
299#   error Cannot create a uint32_t type.
300    Choke Me.
301# endif
302# define  HAVE_UINT32_T         1
303#endif
304
305#ifndef HAVE_INTPTR_T
306# if SIZEOF_CHARP == SIZEOF_LONG
307    typedef signed long         intptr_t;
308# else
309    typedef signed int          intptr_t;
310# endif
311# define  HAVE_INTPTR_T         1
312#endif
313
314#ifndef HAVE_UINTPTR_T
315# if SIZEOF_CHARP == SIZEOF_LONG
316    typedef unsigned long       intptr_t;
317# else
318    typedef unsigned int        intptr_t;
319# endif
320# define  HAVE_INTPTR_T         1
321#endif
322
323#ifndef HAVE_UINT_T
324  typedef unsigned int          uint_t;
325# define  HAVE_UINT_T           1
326#endif
327
328#ifndef HAVE_SIZE_T
329  typedef unsigned int          size_t;
330# define  HAVE_SIZE_T           1
331#endif
332#ifndef HAVE_WINT_T
333  typedef unsigned int          wint_t;
334# define  HAVE_WINT_T           1
335#endif
336#ifndef HAVE_PID_T
337  typedef signed int            pid_t;
338# define  HAVE_PID_T            1
339#endif
340
341/* redefine these for BSD style string libraries */
342#ifndef HAVE_STRCHR
343#  define strchr            index
344#  define strrchr           rindex
345#endif
346
347#ifdef USE_FOPEN_BINARY
348#  ifndef FOPEN_BINARY_FLAG
349#    define FOPEN_BINARY_FLAG   "b"
350#  endif
351#  ifndef FOPEN_TEXT_FLAG
352#    define FOPEN_TEXT_FLAG     "t"
353#  endif
354#else
355#  ifndef FOPEN_BINARY_FLAG
356#    define FOPEN_BINARY_FLAG
357#  endif
358#  ifndef FOPEN_TEXT_FLAG
359#    define FOPEN_TEXT_FLAG
360#  endif
361#endif
362
363#ifndef STR
364#  define _STR(s) #s
365#  define STR(s)  _STR(s)
366#endif
367
368/* ##### Pointer sized word ##### */
369
370/* FIXME:  the MAX stuff in here is broken! */
371#if SIZEOF_CHARP > SIZEOF_INT
372   typedef long t_word;
373   #define WORD_MAX  LONG_MAX
374   #define WORD_MIN  LONG_MIN
375#else /* SIZEOF_CHARP <= SIZEOF_INT */
376   typedef int t_word;
377   #define WORD_MAX  INT_MAX
378   #define WORD_MIN  INT_MIN
379#endif
380
381#endif /* COMPAT_H_GUARD */
382
383/*
384 * Local Variables:
385 * mode: C
386 * c-file-style: "stroustrup"
387 * indent-tabs-mode: nil
388 * End:
389 * end of compat/compat.h */
390