[1076] | 1 | /**********************************************************************
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| 2 | *
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| 3 | * gsdlconf.h -- system specific includes
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| 4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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| 5 | *
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| 6 | * A component of the Greenstone digital library software
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| 7 | * from the New Zealand Digital Library Project at the
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| 8 | * University of Waikato, New Zealand.
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| 9 | *
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| 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 2 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, write to the Free Software
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| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | *
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| 24 | *********************************************************************/
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| 25 |
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| 26 |
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| 27 | #ifndef GSDLCONF_H
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| 28 | #define GSDLCONF_H
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| 29 |
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[1150] | 30 | #if defined(__WIN32__)
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| 31 | #include "../win32cfg.h"
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| 32 | #else
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[1076] | 33 | #include "../config.h"
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| 34 | #endif
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| 35 |
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| 36 | // Note: all macros used in the gsdl software (except the _H macros) should
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| 37 | // now start with GSDL_
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| 38 |
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| 39 | // GSDL_NEED_STRINGS_H should be defined if some string functions
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| 40 | // needed (like strcasecmp) are in strings.h
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| 41 | #if defined(__IBMCPP__)
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| 42 | # define GSDL_NEED_STRINGS_H
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| 43 | #endif
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| 44 |
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| 45 | // GSDL_USE_IOS_H should be defined if the .h extension needs to
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| 46 | // be used for the io stream headers
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| 47 | #if defined(__GNUG__) || defined(__IBMCPP__)
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| 48 | # define GSDL_USE_IOS_H 1
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| 49 | #endif
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| 50 |
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| 51 | // GSDL_USE_STL_H should be defined if the .h extension needs to
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| 52 | // be used for the stl header files
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| 53 | #if defined(__IBMCPP__)
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| 54 | # define GSDL_USE_STL_H 1
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| 55 | #endif
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| 56 |
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| 57 | // GSDL_USE_ALGO_H should be defined if algo.h should be used
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| 58 | // instead of algorithm.h
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| 59 | #if defined(__IBMCPP__)
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| 60 | # define GSDL_USE_ALGO_H 1
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| 61 | #endif
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| 62 |
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| 63 | // GSDL_NAMESPACE_BROKEN should be defined if namespaces should
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| 64 | // not be used
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| 65 | #if defined(__GNUG__) || defined(__IBMCPP__)
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| 66 | # define GSDL_NAMESPACE_BROKEN 1
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| 67 | #endif
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| 68 |
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| 69 | // GSDL_USE_OBJECTSPACE should now be used instead of USE_OBJECTSPACE
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| 70 | #if defined(USE_OBJECTSPACE)
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| 71 | # define GSDL_USE_OBJECTSPACE
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| 72 | #endif
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| 73 |
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| 74 | // GSDL_NEED_DESTROY_USHORT should be defined if the compiler needs
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| 75 | // a definition for void destroy(short unsigned int *)
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| 76 | #if defined(__IBMCPP__)
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| 77 | # define GSDL_NEED_DESTROY_USHORT
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| 78 | #endif
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| 79 |
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[1170] | 80 | // mktemp
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[1076] | 81 |
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[1170] | 82 | #if !defined(__WIN32__) || defined(__GNUC__)
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| 83 | #include <unistd.h>
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| 84 | #define GSDL_MKTEMP(str) mktemp(str)
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| 85 | #else
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| 86 | #include <io.h>
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| 87 | #define GSDL_MKTEMP(str) _mktemp(str)
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| 88 | #endif
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| 89 |
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| 90 |
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| 91 |
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[1076] | 92 | // file locking
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| 93 |
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| 94 | #if defined(__WIN32__)
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[1170] | 95 |
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| 96 | #if !defined(LK_UNLOCK) && defined(LK_UNLCK)
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| 97 | #define LK_UNLOCK LK_UNLCK
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| 98 | #endif
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| 99 |
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| 100 | #if defined (GSDL_USE_IOS_H)
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[1076] | 101 | #include <io.h>
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| 102 | #include <sys/locking.h>
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[1170] | 103 |
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[1150] | 104 | #if defined(__GNUC__)
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| 105 | #define GSDL_GET_FILEDESC(str) str.filedesc()
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| 106 | #else
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[1076] | 107 | #define GSDL_GET_FILEDESC(str) str.fd()
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[1150] | 108 | #endif
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[1170] | 109 |
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| 110 | #define GSDL_UNLOCK_FILE(fd) _locking(fd, LK_UNLCK, 200)
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[1076] | 111 | #define GSDL_LOCK_FILE(fd) lock_val = _locking(fd, LK_NBLCK, 200)
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| 112 |
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| 113 | #else
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[1170] | 114 |
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| 115 | // when using <fstream> (i.e. VC++ 6.0) I can't work out how
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| 116 | // to return a filedesc. File locking won't currently work
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| 117 | // for those windows compilers requiring GSDL_USE_IOS_H to
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| 118 | // not be set -- Stefan.
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| 119 | #define GSDL_GET_FILEDESC(str) 1
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| 120 | #define GSDL_LOCK_FILE(fd) lock_val = 0
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| 121 | #define GSDL_UNLOCK_FILE(fd) 0
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| 122 | #endif
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| 123 |
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| 124 | #else
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[1076] | 125 | #define GSDL_GET_FILEDESC(str) str.filedesc()
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| 126 |
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| 127 | #if GSDL_USE_FLOCK
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| 128 | #include <sys/lock.h>
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| 129 |
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| 130 | #ifndef LOCK_SH
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| 131 | #define LOCK_SH 1
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| 132 | #endif
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| 133 |
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| 134 | #ifndef LOCK_EX
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| 135 | #define LOCK_EX 2
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| 136 | #endif
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| 137 |
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| 138 | #ifndef LOCK_NB
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| 139 | #define LOCK_NB 4
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| 140 | #endif
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| 141 |
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| 142 | #ifndef LOCK_UN
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| 143 | #define LOCK_UN 8
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| 144 | #endif
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| 145 |
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| 146 | #define GSDL_UNLOCK_FILE(fd) flock (fd, LOCK_UN)
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| 147 | #define GSDL_LOCK_FILE(fd) lock_val = flock (fd, LOCK_EX + LOCK_NB)
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| 148 |
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| 149 | #else
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| 150 | // use fcntl
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| 151 | #include <fcntl.h>
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| 152 | #define GSDL_UNLOCK_FILE(fd) \
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| 153 | { \
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| 154 | struct flock flock; \
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| 155 | flock.l_type = F_UNLCK; \
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| 156 | flock.l_whence = SEEK_SET; \
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| 157 | flock.l_start = flock.l_len = 0L; \
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| 158 | fcntl (fd, F_SETLK, &flock); \
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| 159 | }
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| 160 | #define GSDL_LOCK_FILE(fd) \
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| 161 | { \
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| 162 | struct flock flock; \
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| 163 | flock.l_type = F_WRLCK; \
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| 164 | flock.l_whence = SEEK_SET; \
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| 165 | flock.l_start = flock.l_len = 0L; \
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| 166 | lock_val = fcntl (fd, F_SETLK, &flock); \
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| 167 | }
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| 168 |
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| 169 | #endif
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| 170 | #endif
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| 171 |
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| 172 | #endif
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