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| 1 : | sam | 51 | ################################################################################ |
| 2 : | # WeBWorK | ||
| 3 : | # | ||
| 4 : | sam | 83 | # Copyright (c) 1995-2001 WeBWorK Team, University of Rochester |
| 5 : | sam | 51 | # All rights reserved |
| 6 : | # | ||
| 7 : | # $Id$ | ||
| 8 : | ################################################################################ | ||
| 9 : | |||
| 10 : | sam | 2 | ################################### |
| 11 : | ## Begin Global | ||
| 12 : | ################################### | ||
| 13 : | sam | 83 | |
| 14 : | sam | 2 | package Global; |
| 15 : | |||
| 16 : | sam | 83 | # The variables defined in this package set defaults and parameters for |
| 17 : | # the whole weBWorK system. Defaults can be over ridden for individual | ||
| 18 : | # courses by redefining variables in the individual course | ||
| 19 : | # webworkCourse.ph file. For example the default SYSTEM feedback address | ||
| 20 : | # set below as: $feedbackAddress = 'webwork@math.rochester.edu'; can (and | ||
| 21 : | # should) be over ridden for an individual course by entering e.g. | ||
| 22 : | # $Global::feedbackAdress = 'apizer@math.rochester.edu, | ||
| 23 : | # gage@math.rochester.edu'; in the individual course webworkCourse.ph | ||
| 24 : | # file. Of course you should really enter the email address(es) of the | ||
| 25 : | # professors teaching the course. | ||
| 26 : | sam | 2 | |
| 27 : | sam | 83 | ################################ |
| 28 : | # Local configuration settings # | ||
| 29 : | ################################ | ||
| 30 : | sam | 2 | |
| 31 : | sam | 89 | # $legalAddress defines destination addresses which are accepted for use in |
| 32 : | # scripts that send mail. it is a perl regular expression. | ||
| 33 : | $legalAddress = '^[\w\-\.]+(\@([\w\-\.]+\.)*rochester\.edu)?$'; | ||
| 34 : | sam | 2 | |
| 35 : | sam | 83 | # these define the default addresses to which will be used by the system. |
| 36 : | $feedbackAddress = 'webwork@math.rochester.edu'; | ||
| 37 : | $webmaster = $feedbackAddress; | ||
| 38 : | $defaultfrom = $feedbackAddress; | ||
| 39 : | $defaultreply = $feedbackAddress; | ||
| 40 : | sam | 2 | |
| 41 : | sam | 83 | # $smtpServer is the address of the sendmail server. if you are running sendmail on the |
| 42 : | # same machine as webwork, use "localhost" | ||
| 43 : | $smtpServer = 'mail.math.rochester.edu'; | ||
| 44 : | sam | 2 | |
| 45 : | sam | 83 | # $dirDelim is the delimiter used in pathnames on your system. |
| 46 : | $dirDelim = '/'; | ||
| 47 : | sam | 2 | |
| 48 : | sh002i | 134 | ########################### |
| 49 : | # Local external programs # | ||
| 50 : | ########################### | ||
| 51 : | |||
| 52 : | # tth is used by the formatted-text display mode. | ||
| 53 : | $externalTTHPath = "/usr/local/bin/tth"; | ||
| 54 : | |||
| 55 : | # latex2html is used my the typeset display mode. WeBWorK supports version 96.1 | ||
| 56 : | # and version 98.1p1 (or later). Specify either 96.1 or 98.1p1 for | ||
| 57 : | # $externalLaTeX2HTMLVersion -- this will effect the syntax used when calling | ||
| 58 : | # latex2html. $externalLaTeX2HTMLInit should point to a latex2html init file | ||
| 59 : | # that matches the version of latex2html specified. | ||
| 60 : | $externalLaTeX2HTMLPath = "/usr/local/bin/latex2html"; | ||
| 61 : | $externalLaTeX2HTMLVersion = "98.1p1"; | ||
| 62 : | $externalLaTeX2HTMLInit = "${mainDirectory}lib/latex2html.init.98.1"; | ||
| 63 : | |||
| 64 : | # latex, dvips, dvipdf, etc. are programs used to generate problem set hard copy | ||
| 65 : | # output in various formats (DVI, PostScript, PDF). | ||
| 66 : | $externalLatexPath = "/usr/local/bin/latex"; | ||
| 67 : | $externalDvipsPath = "/usr/local/bin/dvips"; | ||
| 68 : | $externalPs2pdfPath = "/usr/local/bin/ps2pdf"; | ||
| 69 : | |||
| 70 : | ##################### | ||
| 71 : | # Internal settings # | ||
| 72 : | ##################### | ||
| 73 : | |||
| 74 : | sam | 83 | # $cgiDebugMode, if enabled, will call the debug wrapper scripts instead of the |
| 75 : | sam | 89 | # cgi scripts themselves, allowing for header output, etc. In addition to |
| 76 : | # setting $cgiDebugMode =1, you will also need to enable debugging in the | ||
| 77 : | # wrapper scripts that you wish to debug, by setting $debug = 1. Wrapper | ||
| 78 : | # scripts are found in the directory referred to by $cgiWebworkURL, which is | ||
| 79 : | # usually webwork/system/cgi. | ||
| 80 : | sam | 83 | $cgiDebugMode = 0; |
| 81 : | sam | 2 | |
| 82 : | ## Change DBtie_file only if you want to change the default database. The script | ||
| 83 : | ## db_tie.pl uses DB_File (the Berkeley DB) and gdbm_tie.pl uses GDBM_File. This | ||
| 84 : | ## setting can be changed for an individual course in the webworkCourse.ph file. For | ||
| 85 : | ## some other database, you will have to write your own database tie-file. Such | ||
| 86 : | ## files reside in the scripts directory. | ||
| 87 : | sam | 83 | #$DBtie_file = 'db_tie.pl'; |
| 88 : | $DBtie_file = 'gdbm_tie.pl'; | ||
| 89 : | sam | 2 | |
| 90 : | ## Set to 1 to enable the access log; set to 0 to disable. | ||
| 91 : | ## | ||
| 92 : | ## The access log is stored in the logs/ directory under the system directory | ||
| 93 : | ## in a file called "access_log". It contains information about virtually | ||
| 94 : | ## every action committed by users, including all answers submitted. | ||
| 95 : | ## Usually this information is unneccessary, and the file becomes | ||
| 96 : | ## large very quickly, so this log is ordinarily turned off. However, the | ||
| 97 : | ## information it contains might be useful if, for example, a student wants an | ||
| 98 : | ## extension and claims not to have viewed the correct answers. | ||
| 99 : | gage | 6 | $logAccessData = 1; |
| 100 : | sam | 2 | |
| 101 : | #################################################################################### | ||
| 102 : | ########### There should be no need to customize after this point ################# | ||
| 103 : | #################################################################################### | ||
| 104 : | |||
| 105 : | sam | 83 | use sigtrap; |
| 106 : | use diagnostics; | ||
| 107 : | use webworkConfig; | ||
| 108 : | use PGtranslator; | ||
| 109 : | # this is so that PGtranslator->evalute_macros is available when webworkCourse.ph is processed. | ||
| 110 : | sam | 2 | |
| 111 : | require 5.000; | ||
| 112 : | require Exporter; | ||
| 113 : | @ISA = qw(Exporter); | ||
| 114 : | @EXPORT = qw( | ||
| 115 : | sam | 83 | getWebworkScriptDirectory |
| 116 : | getWebworkCgiURL | ||
| 117 : | getCourseMOTDFile | ||
| 118 : | getSystemMOTDFile | ||
| 119 : | getCourseDatabaseDirectory | ||
| 120 : | getCourseDatabaseTieFile | ||
| 121 : | getCourseLogsDirectory | ||
| 122 : | getCourseTemplateDirectory | ||
| 123 : | getCourseURL | ||
| 124 : | getCourseScoringDirectory | ||
| 125 : | getCourseScriptsDirectory | ||
| 126 : | getCourseMacroDirectory | ||
| 127 : | getCourseHtmlDirectory | ||
| 128 : | getCourseEmailDirectory | ||
| 129 : | getCourseTempDirectory | ||
| 130 : | getCourseTempURL | ||
| 131 : | getCourseClasslistFile | ||
| 132 : | getCourseEnvironment | ||
| 133 : | getCourseKeyFile | ||
| 134 : | getCoursePasswordFile | ||
| 135 : | getCoursePermissionsFile | ||
| 136 : | getCourseDatabaseFile | ||
| 137 : | getCourseHtmlURL | ||
| 138 : | getCoursel2hDirectory | ||
| 139 : | getCoursel2hURL | ||
| 140 : | getDirDelim | ||
| 141 : | getDelim | ||
| 142 : | getScoreFilePrefix | ||
| 143 : | getScoring_log | ||
| 144 : | getDash | ||
| 145 : | getDat | ||
| 146 : | getBbext | ||
| 147 : | getStatusDrop | ||
| 148 : | convertPath | ||
| 149 : | sam | 2 | getNumRelPercentTolDefault |
| 150 : | getNumZeroLevelDefault | ||
| 151 : | getNumZeroLevelTolDefault | ||
| 152 : | getNumAbsTolDefault | ||
| 153 : | getNumFormatDefault | ||
| 154 : | getFunctRelPercentTolDefault | ||
| 155 : | getFunctZeroLevelDefault | ||
| 156 : | getFunctZeroLevelTolDefault | ||
| 157 : | getFunctAbsTolDefault | ||
| 158 : | getFunctNumOfPoints | ||
| 159 : | getFunctVarDefault | ||
| 160 : | getFunctLLimitDefault | ||
| 161 : | getFunctULimitDefault | ||
| 162 : | getFunctMaxConstantOfIntegration | ||
| 163 : | getLoginURL | ||
| 164 : | getWebworkLogsDirectory | ||
| 165 : | wwerror | ||
| 166 : | getAllowDestroyRebuildProbSets | ||
| 167 : | ); | ||
| 168 : | |||
| 169 : | sam | 83 | ## URL's derived from webworkConfig.pm |
| 170 : | $loginURL = "${cgiWebworkURL}login.pl"; | ||
| 171 : | $imagesURL = "${htmlWebworkURL}images/"; | ||
| 172 : | $helpURL = "${htmlWebworkURL}helpFiles/"; | ||
| 173 : | $webworkDocsURL = 'http://webwork.math.rochester.edu/docs/docs/'; | ||
| 174 : | $appletsURL = "${htmlWebworkURL}applets/"; | ||
| 175 : | sam | 2 | |
| 176 : | ## practice users | ||
| 177 : | $practiceUser = 'practice'; # name of password-less "practice" user | ||
| 178 : | $practiceKey = 'practice'; # a dummy key for this user, can be anything | ||
| 179 : | |||
| 180 : | |||
| 181 : | ## The database handle for using mSQL: | ||
| 182 : | $dbh = 0; | ||
| 183 : | |||
| 184 : | ## various gifs | ||
| 185 : | $helpGifUrl = "${imagesURL}ww_help.gif"; | ||
| 186 : | $logoutGifUrl = "${imagesURL}ww_logout.gif"; | ||
| 187 : | $feedbackGifUrl = "${imagesURL}ww_feedback.gif"; | ||
| 188 : | $currentImgUrl = "${imagesURL}ww_curr.gif"; | ||
| 189 : | $previousImgUrl = "${imagesURL}ww_prev.gif"; | ||
| 190 : | $nextImgUrl = "${imagesURL}ww_next.gif"; | ||
| 191 : | $problistImgUrl = "${imagesURL}ww_problist.gif"; | ||
| 192 : | $upImgUrl = "${imagesURL}ww_up.gif"; | ||
| 193 : | $bluesquareImgUrl = "${imagesURL}ww_bluesq.gif"; | ||
| 194 : | $headerImgUrl = "${imagesURL}webwork.gif"; # image to include at top of pages | ||
| 195 : | $squareWebworkGif = "${imagesURL}square_webwork.gif"; # image to include at top of pages | ||
| 196 : | |||
| 197 : | ## backgrounds gifs for HTML documents | ||
| 198 : | $background_plain_url = "${imagesURL}white.gif"; | ||
| 199 : | $background_okay_url = "${imagesURL}green.gif"; | ||
| 200 : | $background_warn_url = "${imagesURL}red.gif"; | ||
| 201 : | $bg_color = '#EFEFEF'; #background color for processProblem | ||
| 202 : | |||
| 203 : | ## Directories | ||
| 204 : | $coursesDirectory = convertPath("${mainDirectory}courses/"); | ||
| 205 : | $scriptDirectory = convertPath("${mainDirectory}scripts/"); | ||
| 206 : | $cgiDirectory = convertPath("${mainDirectory}cgi/"); | ||
| 207 : | #$tempDirectory = convertPath("/tmp/"); | ||
| 208 : | $authDirectory = convertPath(".auth/"); | ||
| 209 : | $courseScriptsDirectory = convertPath("${mainDirectory}courseScripts/"); | ||
| 210 : | $macroDirectory = convertPath("${mainDirectory}courseScripts/"); | ||
| 211 : | $classDirectory = ''; #This must be defined in webworkCourse.ph | ||
| 212 : | $webworkLogsDirectory = "${mainDirectory}/logs/"; | ||
| 213 : | |||
| 214 : | ## File names | ||
| 215 : | $coursesFilename = 'courses-list'; | ||
| 216 : | $coursesFile = "${coursesDirectory}$coursesFilename"; | ||
| 217 : | $classlistFilename = 'classlist.lst'; | ||
| 218 : | $keyFilename = 'keys'; | ||
| 219 : | $passwordFilename = 'password'; | ||
| 220 : | $permissionsFilename = 'permissions'; | ||
| 221 : | $database = 'webwork-database'; | ||
| 222 : | $CL_Database = 'classlist-database'; | ||
| 223 : | $tipsFilename = 'tips.txt'; | ||
| 224 : | $system_motd_filename = 'motd.txt'; | ||
| 225 : | $course_motd_filename = 'motd.txt'; | ||
| 226 : | $tipsFile = "${mainDirectory}$tipsFilename"; | ||
| 227 : | |||
| 228 : | # CGI script calls | ||
| 229 : | |||
| 230 : | $login_CGI = "${cgiWebworkURL}login.pl"; | ||
| 231 : | $logout_CGI = "${cgiWebworkURL}logout.pl"; | ||
| 232 : | $welcome_CGI = "${cgiWebworkURL}welcome.pl"; | ||
| 233 : | $welcomeAction_CGI = "${cgiWebworkURL}welcomeAction.pl"; | ||
| 234 : | $processProblem_CGI = "${cgiWebworkURL}processProblem8.pl"; | ||
| 235 : | $feedback_CGI = "${cgiWebworkURL}feedback.pl"; | ||
| 236 : | $problemEditor_CGI = "${cgiWebworkURL}problemEditor.pl"; | ||
| 237 : | |||
| 238 : | ## The following items control how the whole problem set is typeset by downloadPS.pl. | ||
| 239 : | ## The files (e.g. "tex_set_ptramble.tex") are found in the .../templates directory | ||
| 240 : | ## Note that the system dependent latex and dvips programs are defined in the file | ||
| 241 : | ## makePS which is in the .../scripts directory. makePS must be edited to call | ||
| 242 : | ## the correct programs. | ||
| 243 : | ## | ||
| 244 : | |||
| 245 : | ## This is the tex preamble file used by downloadPS.pl in typeseting the whole problem set. | ||
| 246 : | ## E.g. loads AMS latex and graphics packages, some macro definitions. | ||
| 247 : | $TEX_SET_PREAMBLE = 'texSetPreamble.tex'; | ||
| 248 : | |||
| 249 : | ## This is the tex header file used by downloadPS.pl in typeseting the whole problem set | ||
| 250 : | ## E.g. loads two column format, macro definitions. | ||
| 251 : | $TEX_SET_HEADER = ''; | ||
| 252 : | |||
| 253 : | ## This is the header file used by downloadPS.pl to enter preliminary verbiage for the | ||
| 254 : | ## whole problem set. E.g. Course name, student name, problem set number,instructions, due date. | ||
| 255 : | $SET_HEADER = 'paperSetHeader.pg'; | ||
| 256 : | |||
| 257 : | ## This is the tex footer file used by downloadPS.pl in typeseting the whole problem set | ||
| 258 : | $TEX_SET_FOOTER = 'texSetFooter.tex'; | ||
| 259 : | |||
| 260 : | |||
| 261 : | ## The following items control how an individual problem is typeset by processProblem.pl | ||
| 262 : | ## and l2h. Note that the system dependent latex2html program is defined in processProblem.pl. It | ||
| 263 : | ## should really be in a seperate file like makeps. | ||
| 264 : | |||
| 265 : | ## This is the tex preamble file used by processProblem.pl typeseting an individual problem | ||
| 266 : | ## Usually very similar to $TEX_SET_PREAMBLE | ||
| 267 : | $TEX_PROB_PREAMBLE = 'texProbPreamble.tex'; | ||
| 268 : | |||
| 269 : | ## This is the tex header file used by processProblem.pl typeseting an individual problem | ||
| 270 : | $TEX_PROB_HEADER = ''; | ||
| 271 : | |||
| 272 : | |||
| 273 : | ## This is the header file used by probSet.pl to enter preliminary verbiage on the prob set | ||
| 274 : | ## page. E.g. Instructions, due date. | ||
| 275 : | $PROB_HEADER = 'screenSetHeader.pg'; | ||
| 276 : | |||
| 277 : | ## This is the tex footer file processProblem.pl typeseting an individual problem | ||
| 278 : | $TEX_PROB_FOOTER = 'texProbFooter.tex'; | ||
| 279 : | |||
| 280 : | |||
| 281 : | |||
| 282 : | $courseEnvironmentFile = 'webworkCourse.ph'; | ||
| 283 : | #$webworkCourse_ph = 'webworkCourse.ph'; | ||
| 284 : | gage | 6 | $DBglue_pl = 'DBglue8.pl'; |
| 285 : | sam | 2 | $HTMLglue_pl = 'HTMLglue.pl'; |
| 286 : | $classlist_DBglue_pl = 'classlist_DBglue.pl'; | ||
| 287 : | $FILE_pl = 'FILE.pl'; | ||
| 288 : | $displayMacros_pl = 'displayMacros.pl'; | ||
| 289 : | $scoring_log = 'scoring.log'; | ||
| 290 : | #####$probSetHeader = 'probSetHeader'; | ||
| 291 : | $SCRtools_pl = 'pScSet6.pl'; | ||
| 292 : | $buildProbSetTools = 'proceduresForBuildProbSetDB.pl'; | ||
| 293 : | |||
| 294 : | |||
| 295 : | ## File and Directory permissions | ||
| 296 : | |||
| 297 : | ## e.g. S1-1521.sco in (base course directory)/DATA | ||
| 298 : | $sco_files_permission = 0660; | ||
| 299 : | |||
| 300 : | ## tie permissions (used in tie commands) | ||
| 301 : | ## The database, password, and permissions files | ||
| 302 : | ## always take their permissions from the Global | ||
| 303 : | ## vaiables below. The important keys file | ||
| 304 : | ## takes its permission from $restricted_tie_permission. | ||
| 305 : | $restricted_tie_permission = 0600; | ||
| 306 : | $standard_tie_permission = 0660; | ||
| 307 : | |||
| 308 : | ## webwork-database in (base course directory)/DATA | ||
| 309 : | $webwork_database_permission = 0660; | ||
| 310 : | |||
| 311 : | ## password in (base course directory)/DATA/.auth | ||
| 312 : | $password_permission = 0660; | ||
| 313 : | |||
| 314 : | ## permissions in (base course directory)/DATA/.auth | ||
| 315 : | $permissions_permission = 0660; | ||
| 316 : | |||
| 317 : | ## e.g. s1ful.csv in (base course directory)/scoring | ||
| 318 : | $scoring_files_permission = 0660; | ||
| 319 : | |||
| 320 : | ## e.g. s1bak1.csv in (base course directory)/scoring | ||
| 321 : | $scoring_bak_files_permission = 0440; | ||
| 322 : | |||
| 323 : | ## e.g. 8587l2h.log in (base course directory)/html/tmp/l2h | ||
| 324 : | $l2h_logs_permission = 0660; | ||
| 325 : | |||
| 326 : | ## e.g. set1/ in (base course directory)/html/tmp/l2h | ||
| 327 : | $l2h_set_directory_permission = 0770; | ||
| 328 : | |||
| 329 : | ## e.g. 1-1082/ in (base course directory)/html/tmp/l2h/set1 | ||
| 330 : | $l2h_prob_directory_permission = 0770; | ||
| 331 : | |||
| 332 : | ## e.g. 1082output.html in (base course directory)/html/tmp/l2h/set1/1-1082 | ||
| 333 : | $l2h_data_permission = 0770; | ||
| 334 : | |||
| 335 : | ## e.g. file.gif in (base course directory)/html/tmp/gif | ||
| 336 : | $tmp_file_permission = 0660; | ||
| 337 : | |||
| 338 : | ## e.g. gif/ in (base course directory)/html/tmp/ | ||
| 339 : | $tmp_directory_permission = 0770; | ||
| 340 : | |||
| 341 : | ##e.g. classlist files (e.g. MTH140A.lst) in (base course directory)/templates/ | ||
| 342 : | $classlist_file_permission = 0660; | ||
| 343 : | |||
| 344 : | ## Prefixes, extensions, defaults, etc | ||
| 345 : | |||
| 346 : | $scoreFilePrefix = 'S'; | ||
| 347 : | $dash = '-'; # Can not be the underscore character or an upper or | ||
| 348 : | # lowercase letter or a digit. Used in .sco file names | ||
| 349 : | $delim = ','; # used in scoring, classlist | ||
| 350 : | $dat = 'csv'; | ||
| 351 : | @statusDrop = qw(drop d withdraw); | ||
| 352 : | $courselist_delim = '::'; # used by login.pl to get course names / dirs | ||
| 353 : | $instructor_permissions = 10; | ||
| 354 : | $TA_permissions = 5; | ||
| 355 : | $psvn_digits = 5; # Number of digits in psvn numbers. E.g. if 4, psvn's | ||
| 356 : | # will be between 1000 and 9999. The number of available | ||
| 357 : | # psvn's must be greater than (#students)*(#problem sets) | ||
| 358 : | $score_decimal_digits = 1; # Number of decimal digits in recorded scores. For example | ||
| 359 : | # if this is 1 then on a 1 point problem that allows partial | ||
| 360 : | # credit, possible scores are 0, .1, .2, ..., 1. | ||
| 361 : | |||
| 362 : | $maxAttemptsWarningLevel = 5; | ||
| 363 : | # If the set definition file puts a limit on the number of | ||
| 364 : | # times a problem may be attempted, processProblem.pl will | ||
| 365 : | # give a warning message when <= $maxAttemptsWarningLevel | ||
| 366 : | # attempts remain. | ||
| 367 : | |||
| 368 : | $noOfFieldsInClasslist = 9; | ||
| 369 : | # The number of fields in the classlist file. This is used as | ||
| 370 : | # a check to make sure each record in the classlist file has | ||
| 371 : | # this number of fields | ||
| 372 : | |||
| 373 : | gage | 6 | $htmlModeDefault = 'HTML_tth'; # The default mode for displayed problems (either 'HTML', |
| 374 : | sam | 2 | # 'Latex2HTML', or 'HTML_tth' |
| 375 : | |||
| 376 : | $allowStudentToChangeEMAddress = 1; # setting to 1 allows students to change their | ||
| 377 : | # own email address. Setting to 0 disallows this | ||
| 378 : | |||
| 379 : | $Global::PG_environment{showPartialCorrectAnswers} = 1; ## Set to 0 or 1. If set to 1 in multipart | ||
| 380 : | # questions the student will be told which parts are | ||
| 381 : | # correct and which are incorrect. Usually, this is | ||
| 382 : | # set explicitly in each individual problem. | ||
| 383 : | |||
| 384 : | $allowDestroyRebuildProbSets = 0; # Set to 0 or 1. If set to 1 a professor can destroy and | ||
| 385 : | # rebuild problems sets in one operation. This is very | ||
| 386 : | # convenient and powerful, but also very dangerous. Usually | ||
| 387 : | # this is not allowed in courses students are using. It is | ||
| 388 : | # often set to 1 in a private course being used only for | ||
| 389 : | # developing problem sets. To do this, reset this in the | ||
| 390 : | # private course's webworkCourse.ph file. | ||
| 391 : | |||
| 392 : | $Global::PG_environment{recordSubmittedAnswers} = 1; # Set to 0 or 1. If set to 1, submitted answers will be | ||
| 393 : | # stored. For example in a multipart question, a student can | ||
| 394 : | gage | 6 | # do several parts, then logout or go onto another question. |
| 395 : | # When they view the problem again, the answer blanks will be | ||
| 396 : | # filled in with their most recent answers. This also allows | ||
| 397 : | sam | 2 | # professors to see exactly what a student entered. This default |
| 398 : | gage | 6 | # can be over ridden for an individual problem by setting |
| 399 : | # recordSubmittedAnswers in the .pg file for the problem. | ||
| 400 : | sam | 2 | |
| 401 : | $maxSizeRecordedAns = 256; # Student answers longer than this length in bytes will not | ||
| 402 : | gage | 6 | # stored in the database. |
| 403 : | |||
| 404 : | $hide_studentID_from_TAs = 0; # Set to 0 or 1. If set to 1, studentID's will be hidden | ||
| 405 : | # from TA's. For example some Universities may use SS#'s for | ||
| 406 : | # student ID's and you may not want TA's to view these. | ||
| 407 : | sam | 2 | |
| 408 : | ## arguments for flock() | ||
| 409 : | |||
| 410 : | $shared_lock = 1; | ||
| 411 : | $exclusive_lock = 2; | ||
| 412 : | $nonblocking_lock = 4; | ||
| 413 : | $unlock_lock = 8; | ||
| 414 : | |||
| 415 : | # These values provide defaults for the various answer comparison macros found | ||
| 416 : | # in PGanswermacros.pl. They can be over ridden for individual courses by | ||
| 417 : | # redefining the variables in the individual course webworkCourse.ph file. | ||
| 418 : | # They can be over ridden for individual problems by explicitly passing the | ||
| 419 : | # desired values to the answer comparison macro | ||
| 420 : | |||
| 421 : | # The following effect numerical answer comparison | ||
| 422 : | $numRelPercentTolDefault = .1; | ||
| 423 : | $numZeroLevelDefault = 1E-14; | ||
| 424 : | $numZeroLevelTolDefault = 1E-12; | ||
| 425 : | $numAbsTolDefault = .001; | ||
| 426 : | $numFormatDefault = ''; ## use perl's format in prfmt() | ||
| 427 : | # The following effect function comparison | ||
| 428 : | $functRelPercentTolDefault = .1; | ||
| 429 : | $functZeroLevelDefault = 1E-14; | ||
| 430 : | $functZeroLevelTolDefault = 1E-12; | ||
| 431 : | $functAbsTolDefault = .001; | ||
| 432 : | $functNumOfPoints = 3; | ||
| 433 : | $functVarDefault = 'x'; | ||
| 434 : | $functLLimitDefault = .0000001; | ||
| 435 : | gage | 6 | $functULimitDefault = .9999999; |
| 436 : | sam | 2 | # The following effects function comparison upto constant for antidifferentiation |
| 437 : | $functMaxConstantOfIntegration = 1E8; | ||
| 438 : | |||
| 439 : | ## These values provide defaults for the window size in the problemEditor.pl script | ||
| 440 : | $editor_window_rows = 25; | ||
| 441 : | $editor_window_columns = 90; | ||
| 442 : | |||
| 443 : | ## This is the maximum number problems sets that can be downloaded at one time | ||
| 444 : | ## by a professor. Set this higher or lower depending on the speed of your server | ||
| 445 : | |||
| 446 : | $max_num_of_ps_downloads_allowed = 20; | ||
| 447 : | |||
| 448 : | |||
| 449 : | # Subroutines for defining the directories and URLs | ||
| 450 : | ###### Public vars/routines - these are imported into your namespace, ####### | ||
| 451 : | ###### so they can be called as they are. | ||
| 452 : | ####### | ||
| 453 : | |||
| 454 : | sub getWebworkScriptDirectory { convertPath($scriptDirectory ) }; | ||
| 455 : | sub getCourseDatabaseDirectory { convertPath($databaseDirectory )}; | ||
| 456 : | sub getCourseDatabaseTieFile { convertPath($DBtie_file )}; | ||
| 457 : | sub getCourseLogsDirectory { convertPath($logsDirectory )}; | ||
| 458 : | sub getCourseTemplateDirectory { convertPath($templateDirectory )}; | ||
| 459 : | sub getCourseEmailDirectory { convertPath("${templateDirectory}email/")}; | ||
| 460 : | sub getCourseScoringDirectory { convertPath($scoringDirectory ) }; | ||
| 461 : | sub getCourseHtmlDirectory { convertPath($htmlDirectory )}; | ||
| 462 : | sub getCourseTempDirectory {convertPath($courseTempDirectory)}; | ||
| 463 : | sub getCoursel2hDirectory { convertPath( "${courseTempDirectory}l2h/" )}; | ||
| 464 : | sub getCourseScriptsDirectory { convertPath($courseScriptsDirectory )}; | ||
| 465 : | sub getCourseMacroDirectory { convertPath($macroDirectory )}; | ||
| 466 : | sub getWebworkLogsDirectory { convertPath($webworkLogsDirectory)}; | ||
| 467 : | |||
| 468 : | sub getCourseClasslistFile { convertPath("${coursesDirectory}$_[0]/templates/${classlistFilename}") }; | ||
| 469 : | |||
| 470 : | sub getCourseKeyFile { convertPath("${coursesDirectory}$_[0]/DATA/${authDirectory}${keyFilename}") }; | ||
| 471 : | sub getCoursePasswordFile { convertPath("${coursesDirectory}$_[0]/DATA/${authDirectory}${passwordFilename}") }; | ||
| 472 : | sub getCoursePermissionsFile { convertPath("${coursesDirectory}$_[0]/DATA/${authDirectory}${permissionsFilename}") }; | ||
| 473 : | sub getCourseDatabaseFile { convertPath("${coursesDirectory}$_[0]/DATA/${$database}") }; | ||
| 474 : | |||
| 475 : | sub getCourseMOTDFile { convertPath("${coursesDirectory}$_[0]/templates/${course_motd_filename}") }; | ||
| 476 : | sub getSystemMOTDFile { convertPath("${mainDirectory}${system_motd_filename}") }; | ||
| 477 : | |||
| 478 : | sub getWebworkCgiURL { $cgiWebworkURL }; | ||
| 479 : | sub getCourseHtmlURL { $htmlURL }; | ||
| 480 : | sub getCoursel2hURL { "${courseTempURL}l2h/" } | ||
| 481 : | sub getCourseTempURL { $courseTempURL }; #defined in webworkCourse.ph | ||
| 482 : | sub getDirDelim { $dirDelim }; | ||
| 483 : | sub getDelim { $delim }; | ||
| 484 : | sub getScoreFilePrefix { $scoreFilePrefix }; | ||
| 485 : | sub getScoring_log { $scoring_log }; | ||
| 486 : | sub getDash { $dash }; | ||
| 487 : | sub getDat { $dat }; | ||
| 488 : | sub getBbext { @dbext }; | ||
| 489 : | sub getStatusDrop { @statusDrop }; | ||
| 490 : | |||
| 491 : | sub getNumRelPercentTolDefault { $numRelPercentTolDefault }; | ||
| 492 : | sub getNumZeroLevelDefault { $numZeroLevelDefault }; | ||
| 493 : | sub getNumZeroLevelTolDefault { $numZeroLevelTolDefault }; | ||
| 494 : | sub getNumAbsTolDefault { $numAbsTolDefault }; | ||
| 495 : | sub getNumFormatDefault { $numFormatDefault }; | ||
| 496 : | sub getFunctRelPercentTolDefault { $functRelPercentTolDefault }; | ||
| 497 : | sub getFunctZeroLevelDefault { $functZeroLevelDefault }; | ||
| 498 : | sub getFunctZeroLevelTolDefault { $functZeroLevelTolDefault }; | ||
| 499 : | sub getFunctAbsTolDefault { $functAbsTolDefault }; | ||
| 500 : | sub getFunctNumOfPoints { $functNumOfPoints }; | ||
| 501 : | sub getFunctVarDefault { $functVarDefault }; | ||
| 502 : | sub getFunctLLimitDefault { $functLLimitDefault }; | ||
| 503 : | sub getFunctULimitDefault { $functULimitDefault }; | ||
| 504 : | sub getFunctMaxConstantOfIntegration { $functMaxConstantOfIntegration }; | ||
| 505 : | |||
| 506 : | sub getLoginURL { $loginURL }; | ||
| 507 : | |||
| 508 : | sub getAllowDestroyRebuildProbSets { $allowDestroyRebuildProbSets }; | ||
| 509 : | |||
| 510 : | sub getCourseEnvironment { | ||
| 511 : | die "getCourseEnvironment was called without specifying a course" unless $_[0]; | ||
| 512 : | my $fullPath = convertPath("${coursesDirectory}$_[0]/$courseEnvironmentFile"); | ||
| 513 : | require "$fullPath" | ||
| 514 : | || die "Can't find local environment file for | ||
| 515 : | $fullPath\n"; | ||
| 516 : | } | ||
| 517 : | |||
| 518 : | |||
| 519 : | |||
| 520 : | ### dump a (hopefully) descriptive error to the browser and quit | ||
| 521 : | #sub wwerror { | ||
| 522 : | # my($title, $msg, $url, $label, $query_string) = @_; | ||
| 523 : | # | ||
| 524 : | # print "content-type: text/html\n\n | ||
| 525 : | # <HTML><HEAD><TITLE>Error: $title</TITLE></HEAD> | ||
| 526 : | # <BODY BACKGROUND=\"$background_warn_url\"> | ||
| 527 : | # <H1>Error: $title</H1>\n $msg \n"; | ||
| 528 : | # if ($url) { | ||
| 529 : | # print "<FORM ACTION=\"$url\"> | ||
| 530 : | # <INPUT TYPE=SUBMIT VALUE=\"$label\"> | ||
| 531 : | # </FORM>\n"; | ||
| 532 : | # } | ||
| 533 : | # print "</BODY></HTML>"; | ||
| 534 : | # &log_error($title, $query_string); | ||
| 535 : | # exit 1; | ||
| 536 : | #} | ||
| 537 : | |||
| 538 : | sub wwerror { | ||
| 539 : | my($title, $msg, $url, $label, $query_string) = @_; | ||
| 540 : | # <BODY BACKGROUND=\"$background_warn_url\"> | ||
| 541 : | |||
| 542 : | $msg = '' unless defined $msg; | ||
| 543 : | $url = '' unless defined $url; | ||
| 544 : | $label = '' unless defined $label; | ||
| 545 : | $query_string = '' unless defined $query_string; | ||
| 546 : | |||
| 547 : | print "content-type: text/html\n\n | ||
| 548 : | <HTML><HEAD><TITLE>Error: $title</TITLE></HEAD> | ||
| 549 : | <BODY BGCOLOR = 'CCCCCC'> | ||
| 550 : | |||
| 551 : | <H2>Error: $title</H2> | ||
| 552 : | <PRE>$msg\n | ||
| 553 : | </PRE>"; | ||
| 554 : | if ($url) { | ||
| 555 : | print "<FORM ACTION=\"$url\"> | ||
| 556 : | <INPUT TYPE=SUBMIT VALUE=\"$label\"> | ||
| 557 : | </FORM>\n"; | ||
| 558 : | } | ||
| 559 : | print "</BODY></HTML>"; | ||
| 560 : | &log_error($title, $query_string); | ||
| 561 : | exit 1; | ||
| 562 : | } | ||
| 563 : | |||
| 564 : | sub error {wwerror(@_);} ##alias for wwerror | ||
| 565 : | |||
| 566 : | |||
| 567 : | # return a (scalar) tip | ||
| 568 : | sub tip { | ||
| 569 : | my ($tips, @tiplist); | ||
| 570 : | local($/) = undef; | ||
| 571 : | #undef $/; # slurp it all in | ||
| 572 : | open(TIPS, "$tipsFile") || &error("Can't open $tipsFile"); | ||
| 573 : | $tips = <TIPS>; | ||
| 574 : | close(TIPS); | ||
| 575 : | |||
| 576 : | # add any local tips to the list before we pick a random one | ||
| 577 : | if (-r "${templateDirectory}$tipsFilename") { | ||
| 578 : | open(TIPS, "${templateDirectory}$tipsFilename"); | ||
| 579 : | $tips .= '%%' . <TIPS>; | ||
| 580 : | close(TIPS); | ||
| 581 : | } | ||
| 582 : | $/ = "\n"; # <> now reads until newline | ||
| 583 : | $tips =~ s/#.*?\n//mg; # remove comments | ||
| 584 : | @tiplist = split(/%%/, $tips); | ||
| 585 : | return $tiplist[rand(@tiplist)]; # choose one at random | ||
| 586 : | } | ||
| 587 : | |||
| 588 : | # return an array of tips | ||
| 589 : | sub all_tips { | ||
| 590 : | my ($tip, $tips, @tiplist); | ||
| 591 : | |||
| 592 : | local($/) = undef; # slurp it all in | ||
| 593 : | open(TIPS, "$tipsFile") || &error("Can't open $tipsFile"); | ||
| 594 : | $tips = <TIPS>; | ||
| 595 : | close(TIPS); | ||
| 596 : | |||
| 597 : | # add any local tips to the list before we pick a random one | ||
| 598 : | if (-r "${templateDirectory}$tipsFilename") { | ||
| 599 : | open(TIPS, "${templateDirectory}$tipsFilename"); | ||
| 600 : | $tips .= '%%' . <TIPS>; | ||
| 601 : | close(TIPS); | ||
| 602 : | } | ||
| 603 : | $/ = "\n"; # <> now reads until newline | ||
| 604 : | $tips =~ s/#.*?\n//mg; # remove comments | ||
| 605 : | @tiplist = split(/%%/, $tips); | ||
| 606 : | return @tiplist; | ||
| 607 : | } | ||
| 608 : | |||
| 609 : | |||
| 610 : | # begin Timing code | ||
| 611 : | use Benchmark; | ||
| 612 : | sub dateTime { | ||
| 613 : | my @timeArray = localtime(time); | ||
| 614 : | my $out = sprintf("%2.2d-%2.2d-%2.2d %2.2d:%2.2d:%2.2d", | ||
| 615 : | $timeArray[5],$timeArray[4]+1,@timeArray[3,2,1,0]); | ||
| 616 : | $out; | ||
| 617 : | } | ||
| 618 : | |||
| 619 : | #the ps system calls do not work on all systems, and are usually not | ||
| 620 : | #necessary anyway. If you wish that information to be logged, simply | ||
| 621 : | #uncomment the relevant lines, but be warned that they might need to | ||
| 622 : | #be modified for your system | ||
| 623 : | sub logTimingInfo { | ||
| 624 : | my ($beginTime,$endTime,$script,$course,$user,$remoteHost,$userAgent) = @_; | ||
| 625 : | $remoteHost = ""unless defined($remoteHost); | ||
| 626 : | $userAgent = "" unless defined($userAgent); | ||
| 627 : | open(TIMELOG, ">>${webworkLogsDirectory}timing_log") || | ||
| 628 : | warn "*Unable to open timing log for writing:\n ${webworkLogsDirectory}timing_log. "; | ||
| 629 : | |||
| 630 : | my $mem_string = ''; | ||
| 631 : | # my $process_string = `ps -o vsz -p $$`; | ||
| 632 : | # $process_string =~ s/^\s*//; | ||
| 633 : | # $process_string =~ s/\s*$//; | ||
| 634 : | # my @process_string = split(/\s+/,$process_string); # gets memory size | ||
| 635 : | # my $mem_string = " mem: ${process_string[1]}K"; | ||
| 636 : | |||
| 637 : | my $load_string = ''; | ||
| 638 : | # my @load = split(/\n/,`ps -U wwhttpd -o state`); | ||
| 639 : | # my $load_string = " load: " . grep(/R/,@load); | ||
| 640 : | |||
| 641 : | print TIMELOG $script,"\t",$course,"\t",&dateTime,"\t", | ||
| 642 : | timestr( timediff($endTime,$beginTime), 'all' ),"\t", | ||
| 643 : | "pid: $$ DBtie_tries: $Global::DBtie_tries" . $mem_string . $load_string,"\t",$user,"\t", | ||
| 644 : | $remoteHost,"\t",$userAgent,"\n"; | ||
| 645 : | close(TIMELOG); | ||
| 646 : | } | ||
| 647 : | # end Timing code | ||
| 648 : | |||
| 649 : | |||
| 650 : | # handy routines for modules that wish to throw exceptions outside of the | ||
| 651 : | # current package. (taken from Carp.pm) | ||
| 652 : | # | ||
| 653 : | # We'll want to remove this in final versions of WeBWorK. | ||
| 654 : | |||
| 655 : | sub log_error { | ||
| 656 : | my ($comment, $data) = @_; | ||
| 657 : | my $accessLog = convertPath("${webworkLogsDirectory}access_log"); | ||
| 658 : | my $errorLog = convertPath("${webworkLogsDirectory}error_log"); | ||
| 659 : | open(ACCESS, ">>$accessLog"); | ||
| 660 : | open(ERROR, ">>$errorLog"); | ||
| 661 : | print ACCESS "ERROR ($comment) ", scalar(localtime), ': ', &shortmess($data); | ||
| 662 : | print ERROR "ERROR ($comment) ", scalar(localtime), ': ', &shortmess($data); | ||
| 663 : | close(ACCESS); | ||
| 664 : | close(ERROR); | ||
| 665 : | } | ||
| 666 : | |||
| 667 : | sub log_info { | ||
| 668 : | if( $Global::logAccessData == 1 ) { | ||
| 669 : | my ($comment, $data) = @_; | ||
| 670 : | my $accessLog = convertPath("${webworkLogsDirectory}access_log"); | ||
| 671 : | open(LOG, ">>$accessLog") or warn "Can't open accessLog $accessLog"; | ||
| 672 : | print LOG "INFO ($comment) ", scalar(localtime), ': ', &shortmess($data); | ||
| 673 : | close(LOG); | ||
| 674 : | } | ||
| 675 : | } | ||
| 676 : | |||
| 677 : | |||
| 678 : | ## converts full path names to to use the $dirDelim instead of / | ||
| 679 : | sub convertPath { | ||
| 680 : | my ($path) = @_; | ||
| 681 : | warn "convertPath has been asked to convert an empty path<BR> |$path| at ", caller(),"<BR>" unless $path; | ||
| 682 : | $path =~ s|/|$dirDelim|g; | ||
| 683 : | |||
| 684 : | $path; | ||
| 685 : | } | ||
| 686 : | |||
| 687 : | sam | 83 | # ----- |
| 688 : | |||
| 689 : | BEGIN { | ||
| 690 : | sub PG_floating_point_exception_handler { # 1st argument is signal name | ||
| 691 : | my($sig) = @_; | ||
| 692 : | print "Content-type: text/html\n\n<H4>There was a floating point arithmetic error (exception SIG$sig )</H4>--perhaps | ||
| 693 : | you divided by zero or took the square root of a negative number? | ||
| 694 : | <BR>\n Use the back button to return to the previous page and recheck your entries.<BR>\n"; | ||
| 695 : | exit(0); | ||
| 696 : | } | ||
| 697 : | |||
| 698 : | $SIG{'FPE'} = \&PG_floating_point_exception_handler; | ||
| 699 : | |||
| 700 : | sub PG_warnings_handler { | ||
| 701 : | my @input = @_; | ||
| 702 : | my $msg_string = longmess(@_); | ||
| 703 : | my @msg_array = split("\n",$msg_string); | ||
| 704 : | gage | 105 | my $out_string = ''; |
| 705 : | |||
| 706 : | # Extra stack information is provided in this next block | ||
| 707 : | # If the warning message does NOT end in \n then a line | ||
| 708 : | # number is appended (see Perl manual about warn function) | ||
| 709 : | # The presence of the line number is detected below and extra | ||
| 710 : | # stack information is added. | ||
| 711 : | # To suppress the line number and the extra stack information | ||
| 712 : | # add \n to the end of a warn message (in .pl files. In .pg | ||
| 713 : | # files add ~~n instead | ||
| 714 : | |||
| 715 : | if ($input[$#input]=~/line \d*\.\s*$/) { | ||
| 716 : | $out_string .= "##More details: <BR>\n----"; | ||
| 717 : | foreach my $line (@msg_array) { | ||
| 718 : | chomp($line); | ||
| 719 : | next unless $line =~/\w+\:\:/; | ||
| 720 : | $out_string .= "----" .$line . "<BR>\n"; | ||
| 721 : | } | ||
| 722 : | sam | 83 | } |
| 723 : | |||
| 724 : | $Global::WARNINGS .="* " . join("<BR>",@input) . "<BR>\n" . $out_string . | ||
| 725 : | "<BR>\n--------------------------------------<BR>\n<BR>\n"; | ||
| 726 : | $Global::background_plain_url = $Global::background_warn_url; | ||
| 727 : | $Global::bg_color = '#FF99CC'; #for warnings -- this change may come too late | ||
| 728 : | } | ||
| 729 : | |||
| 730 : | $SIG{__WARN__}=\&PG_warnings_handler; | ||
| 731 : | |||
| 732 : | $SIG{__DIE__} = sub { | ||
| 733 : | print "Content-type: text/html\r\n\r\n <h4>Software error</h4> @_<br> | ||
| 734 : | Please inform the webwork meister.<p> | ||
| 735 : | In addition to the error message above the following warnings were detected: | ||
| 736 : | <HR> | ||
| 737 : | $Global::WARNINGS; | ||
| 738 : | <HR> | ||
| 739 : | It's sometimes hard to tell exactly what has gone wrong since the | ||
| 740 : | full error message may have been sent to | ||
| 741 : | standard error instead of to standard out. | ||
| 742 : | <p> To debug you can | ||
| 743 : | <ul> | ||
| 744 : | <li> guess what went wrong and try to fix it. | ||
| 745 : | <li> call the offending script directly from the command line | ||
| 746 : | of unix | ||
| 747 : | <li> enable the debugging features by redefining | ||
| 748 : | \$cgiURL in Global.pm and checking the redirection scripts in | ||
| 749 : | system/cgi. This will force the standard error to be placed | ||
| 750 : | in the standard out pipe as well. | ||
| 751 : | <li> Run tail -f error_log <br> | ||
| 752 : | from the unix command line to see error messages from the webserver. | ||
| 753 : | The standard error output is being placed in the error_log file for the apache | ||
| 754 : | web server. To run this command you have to be in the directory containing the | ||
| 755 : | error_log or enter the full path name of the error_log. <p> | ||
| 756 : | In a standard apache installation, this file is at /usr/local/apache/logs/error_log<p> | ||
| 757 : | In a RedHat Linux installation, this file is at /var/log/httpd/error_log<p> | ||
| 758 : | At Rochester this file is at /ww/logs/error_log. | ||
| 759 : | </ul> | ||
| 760 : | Good luck./n" ; exit(0); | ||
| 761 : | }; | ||
| 762 : | |||
| 763 : | |||
| 764 : | |||
| 765 : | } | ||
| 766 : | |||
| 767 : | sam | 2 | ############### |
| 768 : | ## Error message routines | ||
| 769 : | ############### | ||
| 770 : | |||
| 771 : | BEGIN { #error message routines | ||
| 772 : | |||
| 773 : | my $CarpLevel = 0; # How many extra package levels to skip on carp. | ||
| 774 : | my $MaxEvalLen = 0; # How much eval '...text...' to show. 0 = all. | ||
| 775 : | sam | 83 | |
| 776 : | sam | 2 | sub longmess { |
| 777 : | my $error = shift; | ||
| 778 : | my $mess = ""; | ||
| 779 : | my $i = 1 + $CarpLevel; | ||
| 780 : | my ($pack,$file,$line,$sub,$eval,$require); | ||
| 781 : | |||
| 782 : | while (($pack,$file,$line,$sub,undef,undef,$eval,$require) = caller($i++)) { | ||
| 783 : | if ($error =~ m/\n$/) { | ||
| 784 : | $mess .= $error; | ||
| 785 : | } | ||
| 786 : | else { | ||
| 787 : | if (defined $eval) { | ||
| 788 : | if ($require) { | ||
| 789 : | $sub = "require $eval"; | ||
| 790 : | } | ||
| 791 : | else { | ||
| 792 : | $eval =~ s/[\\\']/\\$&/g; | ||
| 793 : | if ($MaxEvalLen && length($eval) > $MaxEvalLen) { | ||
| 794 : | substr($eval,$MaxEvalLen) = '...'; | ||
| 795 : | } | ||
| 796 : | $sub = "eval '$eval'"; | ||
| 797 : | } | ||
| 798 : | } | ||
| 799 : | elsif ($sub eq '(eval)') { | ||
| 800 : | $sub = 'eval {...}'; | ||
| 801 : | } | ||
| 802 : | |||
| 803 : | $mess .= "\t$sub " if $error eq "called"; | ||
| 804 : | $mess .= "$error at $file line $line\n"; | ||
| 805 : | } | ||
| 806 : | |||
| 807 : | $error = "called"; | ||
| 808 : | } | ||
| 809 : | |||
| 810 : | $mess || $error; | ||
| 811 : | } | ||
| 812 : | |||
| 813 : | sub shortmess { # Short-circuit &longmess if called via multiple packages | ||
| 814 : | my $error = $_[0]; # Instead of "shift" | ||
| 815 : | my ($curpack) = caller(1); | ||
| 816 : | my $extra = $CarpLevel; | ||
| 817 : | my $i = 2; | ||
| 818 : | my ($pack,$file,$line); | ||
| 819 : | |||
| 820 : | while (($pack,$file,$line) = caller($i++)) { | ||
| 821 : | if ($pack ne $curpack) { | ||
| 822 : | if ($extra-- > 0) { | ||
| 823 : | $curpack = $pack; | ||
| 824 : | } | ||
| 825 : | else { | ||
| 826 : | return "$error at $file line $line\n"; | ||
| 827 : | } | ||
| 828 : | } | ||
| 829 : | } | ||
| 830 : | |||
| 831 : | goto &longmess; | ||
| 832 : | } | ||
| 833 : | |||
| 834 : | |||
| 835 : | } | ||
| 836 : | |||
| 837 : | ############### | ||
| 838 : | ## End Error message routines | ||
| 839 : | ############### | ||
| 840 : | |||
| 841 : | |||
| 842 : | 1; ## This line is required by perl |
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