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/*-
******************************************************************************
******************************************************************************
**
** MODULE
**
** file: sysdep.h
**
** DESCRIPTION
**
** A 32-bit implementation of BibTeX v0.99c for MS-DOS, OS/2 2.x,
** Unix and VMS. This C language implementation is based on the
** original WEB source but it has been enhanced to support 8-bit input
** characters and a very large processing capacity.
**
** For documentation describing how to use and build this program,
** see the 00README.TXT file that accompanies this distribution.
**
** MODULE CONTENTS
**
** This module defines as many system dependent things as possible.
** System / compiler dependent code should only appear in sysdep.h,
** bibtex.c and utils.c. System dependent code should be delimited by
** preprocessor conditionals. Look for:
**
** #ifdef MSDOS
** #ifdef OS2
** #ifdef UNIX
** #ifdef VMS
**
** AUTHORS
**
** Original WEB translation to C, conversion to "big" (32-bit) capacity,
** addition of run-time selectable capacity and 8-bit support extensions
** by:
**
** Niel Kempson
** Snowy Owl Systems Limited, Cheltenham, England
** E-mail: kempson@snowyowl.co.uk
**
** 8-bit support extensions also by:
**
** Alejandro Aguilar-Sierra
** Centro de Ciencias de la Atm\'osfera,
** Universidad Nacional Aut\'onoma de M\'exico, M\'exico
** E-mail: asierra@servidor.unam.mx
**
** COPYRIGHT
**
** This implementation copyright (c) 1991-1995 by Niel Kempson
** and copyright (c) 1995 by Alejandro Aguilar-Sierra.
**
** This program 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 1, or
** (at your option) any later version.
**
** This program 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, write to the Free Software
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**
** In other words, you are welcome to use, share and improve this
** program. You are forbidden to forbid anyone else to use, share
** and improve what you give them. Help stamp out software-hoarding!
**
** ACKNOWLEDGEMENT
**
** The original BibTeX was written by Oren Patashnik using Donald
** Knuth's WEB system. This format produces a PASCAL program for
** execution and a TeX documented version of the source code. This
** program started as a (manual) translation of the WEB source into C.
**
** CHANGE LOG
**
** $Log: sysdep.h,v $
** Revision 3.71 1996/08/18 20:37:06 kempson
** Official release 3.71 (see HISTORY file for details).
**
** Revision 3.70 1996/04/08 10:08:40 kempson
** Final documentation & cosmetic changes for official release 3.70.
**
** Revision 3.6 1995/10/21 22:13:13 kempson
** Added support for DJGPP under MSDOS.
**
** Revision 3.5 1995/09/24 20:44:37 kempson
** Many changes for final beta test version.
**
** Revision 3.4 1995/04/09 22:15:46 kempson
** Placed under RCS control
**
******************************************************************************
******************************************************************************
*/
#ifndef __SYSDEP_H__
# define __SYSDEP_H__ 1
/*-
**============================================================================
** Include the relevant header files.
**============================================================================
*/
#include <stdlib.h>
#include <stdio.h>
#include <setjmp.h>
#include <string.h>
#include <ctype.h>
#ifdef KPATHSEA
#include <kpathsea/config.h>
#include <kpathsea/progname.h>
#include <kpathsea/variable.h>
#endif
/*-
**============================================================================
** For each environment (MSDOS, OS/2, UNIX & VMS), the following
** preprocessor macros must be defined:
**
** IMPLEMENTATION the implementation string reported by BibTeX when
** the --version is specified.
**
** PATH_DELIM the character used to separate components of a
** search path string.
**
** Note: usually ';' for DOS & OS/2, ':' for Unix
** and ',' for VMS.
**============================================================================
*/
#ifdef WIN32
# ifdef _MSC_VER
# define IMPLEMENTATION "Microsoft(R) C/C++ for Win32"
# elif defined(__MINGW32__)
# define IMPLEMENTATION "MinGW32 C/C++ for Win32"
# else
# define IMPLEMENTATION "Unknown C/C++ for Win32"
# endif /* _MSC_VER */
#endif
#ifdef MSDOS
# ifdef DJGPP
# define IMPLEMENTATION "DJGPP/GNU C 32 bit bound for DOS"
# else
# define IMPLEMENTATION "EMX/GNU C 32 bit bound for DOS"
# endif /* DJGPP */
# define PATH_DELIM ';'
#endif /* MSDOS */
#ifdef OS2
# define IMPLEMENTATION "EMX/GNU C 32 bit for OS/2"
# define PATH_DELIM ';'
#endif /* OS2 */
#ifdef UNIX
# ifndef IMPLEMENTATION
# define IMPLEMENTATION "C for Unix"
# endif
# define PATH_DELIM ':'
#endif /* UNIX */
#ifdef VMS
# define IMPLEMENTATION "GNU C for VMS"
# define PATH_DELIM ','
#endif /* VMS */
/*-
**============================================================================
** Define the exit status values that should be returned to the operating
** system.
**============================================================================
*/
#ifdef VMS
# define NORMAL_EXIT_STATUS 0x10000001L
# define WARNING_EXIT_STATUS 0x10000000L
# define ERROR_EXIT_STATUS 0x10000002L
# define FATAL_EXIT_STATUS 0x10000004L
#else /* NOT VMS */
# define NORMAL_EXIT_STATUS 0
# define WARNING_EXIT_STATUS 1
# define ERROR_EXIT_STATUS 2
# define FATAL_EXIT_STATUS 3
#endif /* VMS */
/*-
**============================================================================
** Some macros to satisfy ANSI C's strict (for C anyway) type checking.
**============================================================================
*/
#if defined(WIN32) && defined(KPATHSEA)
#define FPRINTF (void) win32_fprintf
#define FPUTS (void) win32_fputs
#else
#define FPRINTF (void) fprintf
#define FPUTS (void) fputs
#endif
#define FPUTC (void) fputc
#define PRINTF (void) printf
#define PUTC (void) putc
#define SPRINTF (void) sprintf
#define CHR(x) (x)
/*-
**============================================================================
** Some macros to make the C code look more like the WEB from which it was
** translated.
**============================================================================
*/
#define BEGIN {
#define END }
#ifndef TRUE
# define TRUE 1
#endif
#ifndef FALSE
# define FALSE 0
#endif
#define REPEAT do
#define UNTIL(X) while ( ! (X))
#define DIV /
#define MOD %
/*-
**============================================================================
** WEB section number: 39
** ~~~~~~~~~~~~~~~~~~~~
** We implement path searching for the function |a_open_in|. If
** |name_of_file| doesn't start with `\' then path names from the
** appropriate path list are prepended until success or the end of the path
** list is reached.
**============================================================================
*/
#define NO_SEARCH_PATH 0
#define AUX_FILE_SEARCH_PATH 1
#define BIB_FILE_SEARCH_PATH 2
#define BST_FILE_SEARCH_PATH 3
#define CSF_FILE_SEARCH_PATH 4
/*-
**============================================================================
** The Makefile specifies a number of preprocessor macros used to control
** how BibTeX searches for input files. If any of them are undefined, an
** error message will be issued by the C preprocessor. The macros
** required are:
**
** AUX_INPUT_ENVVAR - environment variable specifying the search path for
** .aux files
** AUX_INPUT_PATH - fallback search path for .aux files
** BIB_INPUT_ENVVAR - environment variable specifying the search path for
** .bib files
** BIB_INPUT_PATH - fallback search path for .bib files
** BST_INPUT_ENVVAR - environment variable specifying the search path for
** .bst files
** BST_INPUT_PATH - fallback search path for .bst files
** CSF_INPUT_ENVVAR - environment variable specifying the search path for
** .csf files
** CSF_INPUT_PATH - fallback search path for .csf files
**
** CSF_FILE_ENVVAR - environment variable specifying the default .csf file
** CSF_FILE_NAME - fallback name of the default .csf file
**============================================================================
*/
#ifndef KPATHSEA
#ifndef AUX_INPUT_ENVVAR
# error Macro 'AUX_INPUT_ENVVAR' has not been defined. Please check Makefile.
#endif
#ifndef AUX_INPUT_PATH
# error Macro 'AUX_INPUT_PATH' has not been defined. Please check Makefile.
#endif
#ifndef BIB_INPUT_ENVVAR
# error Macro 'BIB_INPUT_ENVVAR' has not been defined. Please check Makefile.
#endif
#ifndef BIB_INPUT_PATH
# error Macro 'BIB_INPUT_PATH' has not been defined. Please check Makefile.
#endif
#ifndef BST_INPUT_ENVVAR
# error Macro 'BST_INPUT_ENVVAR' has not been defined. Please check Makefile.
#endif
#ifndef BST_INPUT_PATH
# error Macro 'BST_INPUT_PATH' has not been defined. Please check Makefile.
#endif
#ifndef CSF_INPUT_ENVVAR
# error Macro 'CSF_INPUT_ENVVAR' has not been defined. Please check Makefile.
#endif
#ifndef CSF_INPUT_PATH
# error Macro 'CSF_INPUT_PATH' has not been defined. Please check Makefile.
#endif
#ifndef CSF_FILE_ENVVAR
# error Macro 'CSF_FILE_ENVVAR' has not been defined. Please check Makefile.
#endif
#ifndef CSF_FILE_NAME
# error Macro 'CSF_FILE_NAME' has not been defined. Please check Makefile.
#endif
#endif /* ! KPATHSEA */
#endif /* __SYSDEP_H__ */
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