diff options
Diffstat (limited to 'compat/compat.h')
| -rw-r--r-- | compat/compat.h | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/compat/compat.h b/compat/compat.h new file mode 100644 index 0000000..d3d1eab --- /dev/null +++ b/compat/compat.h @@ -0,0 +1,403 @@ +/* -*- Mode: C -*- */ + +/** + * \file compat.h --- fake the preprocessor into handlng portability + * + * Time-stamp: "2012-08-11 08:17:36 bkorb" + * + * compat.h is free software. + * This file is part of AutoGen. + * + * AutoGen Copyright (c) 1992-2012 by Bruce Korb - all rights reserved + * + * AutoGen is free software: you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * AutoGen is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program. If not, see <http://www.gnu.org/licenses/>. + * + * As a special exception, Bruce Korb gives permission for additional + * uses of the text contained in the release of compat.h. + * + * The exception is that, if you link the compat.h library with other + * files to produce an executable, this does not by itself cause the + * resulting executable to be covered by the GNU General Public License. + * Your use of that executable is in no way restricted on account of + * linking the compat.h library code into it. + * + * This exception does not however invalidate any other reasons why + * the executable file might be covered by the GNU General Public License. + * + * This exception applies only to the code released by Bruce Korb under + * the name compat.h. If you copy code from other sources under the + * General Public License into a copy of compat.h, as the General Public + * License permits, the exception does not apply to the code that you add + * in this way. To avoid misleading anyone as to the status of such + * modified files, you must delete this exception notice from them. + * + * If you write modifications of your own for compat.h, it is your choice + * whether to permit this exception to apply to your modifications. + * If you do not wish that, delete this exception notice. + */ +#ifndef COMPAT_H_GUARD +#define COMPAT_H_GUARD 1 + +#if defined(HAVE_CONFIG_H) +# include <config.h> + +#elif defined(_WIN32) && !defined(__CYGWIN__) +# include "windows-config.h" + +#else +# error "compat.h" requires "config.h" + choke me. +#endif + + +#ifndef HAVE_STRSIGNAL +# ifndef HAVE_RAW_DECL_STRSIGNAL + char * strsignal(int signo); +# endif +#endif + +#define _GNU_SOURCE 1 /* for strsignal in GNU's libc */ +#define __USE_GNU 1 /* exact same thing as above */ +#define __EXTENSIONS__ 1 /* and another way to call for it */ + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * + * SYSTEM HEADERS: + */ +#include <sys/types.h> +#ifdef HAVE_SYS_MMAN_H +# include <sys/mman.h> +#endif +#include <sys/param.h> +#if HAVE_SYS_PROCSET_H +# include <sys/procset.h> +#endif +#include <sys/stat.h> +#ifdef HAVE_SYS_WAIT_H +# include <sys/wait.h> +#endif + +#if defined( HAVE_SOLARIS_SYSINFO ) +# include <sys/systeminfo.h> +#elif defined( HAVE_UNAME_SYSCALL ) +# include <sys/utsname.h> +#endif + +#ifdef DAEMON_ENABLED +# if HAVE_SYS_STROPTS_H +# include <sys/stropts.h> +# endif + +# if HAVE_SYS_SOCKET_H +# include <sys/socket.h> +# endif + +# if ! defined(HAVE_SYS_POLL_H) && ! defined(HAVE_SYS_SELECT_H) +# error This system cannot support daemon processing + Choke Me. +# endif + +# if HAVE_SYS_POLL_H +# include <sys/poll.h> +# endif + +# if HAVE_SYS_SELECT_H +# include <sys/select.h> +# endif + +# if HAVE_NETINET_IN_H +# include <netinet/in.h> +# endif + +# if HAVE_SYS_UN_H +# include <sys/un.h> +# endif +#endif + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * + * USER HEADERS: + */ +#include <stdio.h> +#include <assert.h> +#include <ctype.h> + +/* + * Directory opening stuff: + */ +# if defined (_POSIX_SOURCE) +/* Posix does not require that the d_ino field be present, and some + systems do not provide it. */ +# define REAL_DIR_ENTRY(dp) 1 +# else /* !_POSIX_SOURCE */ +# define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) +# endif /* !_POSIX_SOURCE */ + +# if defined (HAVE_DIRENT_H) +# include <dirent.h> +# define D_NAMLEN(dirent) strlen((dirent)->d_name) +# else /* !HAVE_DIRENT_H */ +# define dirent direct +# define D_NAMLEN(dirent) (dirent)->d_namlen +# if defined (HAVE_SYS_NDIR_H) +# include <sys/ndir.h> +# endif /* HAVE_SYS_NDIR_H */ +# if defined (HAVE_SYS_DIR_H) +# include <sys/dir.h> +# endif /* HAVE_SYS_DIR_H */ +# if defined (HAVE_NDIR_H) +# include <ndir.h> +# endif /* HAVE_NDIR_H */ +# endif /* !HAVE_DIRENT_H */ + +#include <errno.h> +#ifdef HAVE_FCNTL_H +# include <fcntl.h> +#endif +#ifndef O_NONBLOCK +# define O_NONBLOCK FNDELAY +#endif + +#if defined(HAVE_LIBGEN) && defined(HAVE_LIBGEN_H) +# include <libgen.h> +#endif + +#if defined(HAVE_LIMITS_H) /* this is also in options.h */ +# include <limits.h> +#elif defined(HAVE_SYS_LIMITS_H) +# include <sys/limits.h> +#endif /* HAVE_LIMITS/SYS_LIMITS_H */ + +#include <memory.h> +#include <setjmp.h> +#include <signal.h> + +#if defined(HAVE_STDINT_H) +# include <stdint.h> + +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif + +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#ifdef HAVE_UTIME_H +# include <utime.h> +#endif + +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else + typedef enum { false = 0, true = 1 } _Bool; +# define bool _Bool + + /* The other macros must be usable in preprocessor directives. */ +# define false 0 +# define true 1 +#endif + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * + * FIXUPS and CONVIENCE STUFF: + */ +#ifdef __cplusplus +# define EXTERN extern "C" +#else +# define EXTERN extern +#endif + +/* some systems #def errno! and others do not declare it!! */ +#ifndef errno + extern int errno; +#endif + +/* Some machines forget this! */ + +# ifndef EXIT_FAILURE +# define EXIT_SUCCESS 0 +# define EXIT_FAILURE 1 +# endif + +#ifndef NUL +# define NUL '\0' +#endif + +#ifndef NULL +# define NULL 0 +#endif + +#if !defined (MAXPATHLEN) && defined (HAVE_SYS_PARAM_H) +# include <sys/param.h> +#endif /* !MAXPATHLEN && HAVE_SYS_PARAM_H */ + +#if !defined (MAXPATHLEN) && defined (PATH_MAX) +# define MAXPATHLEN PATH_MAX +#endif /* !MAXPATHLEN && PATH_MAX */ + +#if !defined (MAXPATHLEN) && defined(_MAX_PATH) +# define PATH_MAX _MAX_PATH +# define MAXPATHLEN _MAX_PATH +#endif + +#if !defined (MAXPATHLEN) +# define MAXPATHLEN ((size_t)4096) +#endif /* MAXPATHLEN */ + +#define AG_PATH_MAX ((size_t)MAXPATHLEN) + +#ifndef LONG_MAX +# define LONG_MAX ~(1L << (8*sizeof(long) -1)) +# define INT_MAX ~(1 << (8*sizeof(int) -1)) +#endif + +#ifndef ULONG_MAX +# define ULONG_MAX ~(OUL) +# define UINT_MAX ~(OU) +#endif + +#ifndef SHORT_MAX +# define SHORT_MAX ~(1 << (8*sizeof(short) - 1)) +#else +# define USHORT_MAX ~(OUS) +#endif + +#ifndef HAVE_INT8_T + typedef signed char int8_t; +# define HAVE_INT8_T 1 +#endif +#ifndef HAVE_UINT8_T + typedef unsigned char uint8_t; +# define HAVE_UINT8_T 1 +#endif +#ifndef HAVE_INT16_T + typedef signed short int16_t; +# define HAVE_INT16_T 1 +#endif +#ifndef HAVE_UINT16_T + typedef unsigned short uint16_t; +# define HAVE_UINT16_T 1 +#endif + +#ifndef HAVE_INT32_T +# if SIZEOF_INT == 4 + typedef signed int int32_t; +# elif SIZEOF_LONG == 4 + typedef signed long int32_t; +# endif +# define HAVE_INT32_T 1 +#endif + +#ifndef HAVE_UINT32_T +# if SIZEOF_INT == 4 + typedef unsigned int uint32_t; +# elif SIZEOF_LONG == 4 + typedef unsigned long uint32_t; +# else +# error Cannot create a uint32_t type. + Choke Me. +# endif +# define HAVE_UINT32_T 1 +#endif + +#ifndef HAVE_INTPTR_T +# if SIZEOF_CHARP == SIZEOF_LONG + typedef signed long intptr_t; +# else + typedef signed int intptr_t; +# endif +# define HAVE_INTPTR_T 1 +#endif + +#ifndef HAVE_UINTPTR_T +# if SIZEOF_CHARP == SIZEOF_LONG + typedef unsigned long intptr_t; +# else + typedef unsigned int intptr_t; +# endif +# define HAVE_INTPTR_T 1 +#endif + +#ifndef HAVE_UINT_T + typedef unsigned int uint_t; +# define HAVE_UINT_T 1 +#endif + +#ifndef HAVE_SIZE_T + typedef unsigned int size_t; +# define HAVE_SIZE_T 1 +#endif +#ifndef HAVE_WINT_T + typedef unsigned int wint_t; +# define HAVE_WINT_T 1 +#endif +#ifndef HAVE_PID_T + typedef signed int pid_t; +# define HAVE_PID_T 1 +#endif + +/* redefine these for BSD style string libraries */ +#ifndef HAVE_STRCHR +# define strchr index +# define strrchr rindex +#endif + +#ifdef USE_FOPEN_BINARY +# ifndef FOPEN_BINARY_FLAG +# define FOPEN_BINARY_FLAG "b" +# endif +# ifndef FOPEN_TEXT_FLAG +# define FOPEN_TEXT_FLAG "t" +# endif +#else +# ifndef FOPEN_BINARY_FLAG +# define FOPEN_BINARY_FLAG +# endif +# ifndef FOPEN_TEXT_FLAG +# define FOPEN_TEXT_FLAG +# endif +#endif + +#ifndef STR +# define _STR(s) #s +# define STR(s) _STR(s) +#endif + +/* ##### Pointer sized word ##### */ + +/* FIXME: the MAX stuff in here is broken! */ +#if SIZEOF_CHARP > SIZEOF_INT + typedef long t_word; + #define WORD_MAX LONG_MAX + #define WORD_MIN LONG_MIN +#else /* SIZEOF_CHARP <= SIZEOF_INT */ + typedef int t_word; + #define WORD_MAX INT_MAX + #define WORD_MIN INT_MIN +#endif + +#endif /* COMPAT_H_GUARD */ + +/* + * Local Variables: + * mode: C + * c-file-style: "stroustrup" + * indent-tabs-mode: nil + * End: + * end of compat/compat.h */ |