File:  [Coherent Logic Development] / freem / src / merr.c
Revision 1.4: download - view: text, annotated - select for diffs
Wed Apr 9 19:52:02 2025 UTC (11 months, 3 weeks ago) by snw
Branches: MAIN
CVS tags: HEAD
Eliminate as many warnings as possible while building with -Wall

    1: /*
    2:  *   $Id: merr.c,v 1.4 2025/04/09 19:52:02 snw Exp $
    3:  *    stuff for handling program bogosity
    4:  *
    5:  *  
    6:  *   Author: Serena Willis <snw@coherent-logic.com>
    7:  *    Copyright (C) 1998 MUG Deutschland
    8:  *    Copyright (C) 2020, 2025 Coherent Logic Development LLC
    9:  *
   10:  *
   11:  *   This file is part of FreeM.
   12:  *
   13:  *   FreeM is free software: you can redistribute it and/or modify
   14:  *   it under the terms of the GNU Affero Public License as published by
   15:  *   the Free Software Foundation, either version 3 of the License, or
   16:  *   (at your option) any later version.
   17:  *
   18:  *   FreeM is distributed in the hope that it will be useful,
   19:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   20:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   21:  *   GNU Affero Public License for more details.
   22:  *
   23:  *   You should have received a copy of the GNU Affero Public License
   24:  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
   25:  *
   26:  *   $Log: merr.c,v $
   27:  *   Revision 1.4  2025/04/09 19:52:02  snw
   28:  *   Eliminate as many warnings as possible while building with -Wall
   29:  *
   30:  *   Revision 1.3  2025/03/09 19:50:47  snw
   31:  *   Second phase of REUSE compliance and header reformat
   32:  *
   33:  *
   34:  * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
   35:  * SPDX-License-Identifier: AGPL-3.0-or-later
   36:  **/
   37: 
   38: #include <string.h>
   39: #include <stdlib.h>
   40: 
   41: #include "mpsdef.h"
   42: #include "merr.h"
   43: #include "jobtab.h"
   44: 
   45: merr_stackent merr_stack[NESTLEVLS + 1];
   46: char etrap[256];
   47: char ecode[256];
   48: char user_ecode[256];
   49: int estack;
   50: int etrap_lvl = 0;
   51: int merr_topstk = 0;
   52: 
   53: typedef struct err_lut {
   54:     int ecode;
   55:     const char *canonical_name;
   56: } err_lut;
   57: 
   58: err_lut errtab[] = {
   59:     {0, "ZOK"},
   60:     {1, "ZINRPT"},
   61:     {2, "ZBKERR"},
   62:     {3, "ZNOSTAND"},
   63:     {4, "ZUNDEF"},
   64:     {5, "ZLBLUNDEF"},
   65:     {6, "ZMISSOPD"},
   66:     {7, "ZMISSOP"},
   67:     {8, "ZILLOP"},
   68:     {9, "ZQUOTER"},
   69:     {10, "ZCOMMAER"},
   70:     {11, "ZASSIGNER"},
   71:     {12, "ZARGER"},
   72:     {13, "ZSPACER"},
   73:     {14, "ZBRAER"},
   74:     {15, "ZLVLERR"},
   75:     {16, "ZDIVER"},
   76:     {17, "ZILLFUN"},
   77:     {18, "ZFUNARG"},
   78:     {19, "ZZTERR"},
   79:     {20, "ZNEXTER"},
   80:     {21, "ZSELER"},
   81:     {22, "ZCMMND"},
   82:     {23, "ZARGLIST"},
   83:     {24, "ZINVEXPR"},
   84:     {25, "ZINVREF"},
   85:     {26, "ZMXSTR"},
   86:     {27, "ZTOOPARA"},
   87:     {28, "ZNOPEN"},
   88:     {29, "ZNODEVICE"},
   89:     {30, "ZPROTECT"},
   90:     {31, "ZGLOBER"},
   91:     {32, "ZFILERR"},
   92:     {33, "ZPGMOV"},
   93:     {34, "ZSTKOV"},
   94:     {35, "ZSTORE"},
   95:     {36, "ZNOREAD"},
   96:     {37, "ZNOWRITE"},
   97:     {38, "ZNOPGM"},
   98:     {39, "ZNAKED"},
   99:     {40, "ZSBSCR"},
  100:     {41, "ZISYNTX"},
  101:     {42, "ZDBDGD"},
  102:     {43, "ZKILLER"},
  103:     {44, "ZHUPER"},
  104:     {45, "ZMXNUM"},
  105:     {46, "ZNOVAL"},
  106:     {47, "ZTYPEMISMATCH"},
  107:     {48, "ZMEMOV"},
  108:     {49, "ZNAMERES"},
  109:     {50, "ZSCKCREAT"},
  110:     {51, "ZSCKIFAM"},
  111:     {52, "ZSCKITYP"},
  112:     {53, "ZSCKIPRT"},
  113:     {54, "ZSCKCERR"},
  114:     {55, "ZSCKAERR"},
  115:     {56, "ZSCKACON"},
  116:     {57, "ZSCKNCON"},
  117:     {58, "ZSCKEOPT"},
  118:     {59, "ZSCKERCV"},
  119:     {60, "ZSCKESND"},
  120:     {61, "ZNORPI"},
  121:     {62, "ZCREDEF"},
  122:     {63, "ZCMODIFY"},
  123:     {64, "ZFILEXWR"},
  124:     {65, "ZINEWMUL"},
  125:     {66, "ZINVHORO"},
  126:     {67, "ZTYPMISMATCH"},
  127:     {68, "ZINVTYPE"},
  128:     {69, "ZINVLIBOPT"},
  129:     {80, "ZECODEINV"},
  130:     {81, "ZASSERT"},
  131:     {82, "ZUSERERR"},
  132:     {83, "ZOBJFLDACCV"},
  133:     {84, "ZOBJCONFLICT"},
  134:     {85, "ZOBJPRIVOVFL"},
  135:     {86, "ZOBJACINVALID"},
  136:     {128, "ZSYNTERR"},
  137:     {140, "M1"},
  138:     {141, "M2"},
  139:     {142, "M3"},
  140:     {143, "M4"},
  141:     {144, "M5"},
  142:     {145, "M6"},
  143:     {146, "M7"},
  144:     {147, "M8"},
  145:     {148, "M9"},
  146:     {149, "M10"},
  147:     {150, "M11"},
  148:     {151, "M12"},
  149:     {152, "M13"},
  150:     {153, "M14"},
  151:     {154, "M15"},
  152:     {155, "M16"},
  153:     {156, "M17"},
  154:     {157, "M18"},
  155:     {158, "M19"},
  156:     {159, "M20"},
  157:     {160, "M21"},
  158:     {161, "M22"},
  159:     {162, "M23"},
  160:     {163, "M24"},
  161:     {164, "M25"},
  162:     {165, "M26"},
  163:     {166, "M27"},
  164:     {167, "M28"},
  165:     {168, "M29"},
  166:     {169, "M30"},
  167:     {170, "M31"},
  168:     {171, "M32"},
  169:     {172, "M33"},
  170:     {173, "M34"},
  171:     {174, "M35"},
  172:     {175, "M36"},
  173:     {176, "M37"},
  174:     {177, "M38"},
  175:     {178, "M39"},
  176:     {179, "M40"},
  177:     {180, "M41"},
  178:     {181, "M42"},
  179:     {182, "M43"},
  180:     {183, "M44"},
  181:     {184, "M45"},
  182:     {185, "M46"},
  183:     {186, "M47"},
  184:     {187, "M48"},
  185:     {188, "M49"},
  186:     {189, "M50"},
  187:     {190, "M51"},
  188:     {191, "M52"},
  189:     {192, "M53"},
  190:     {193, "M54"},
  191:     {194, "M55"},
  192:     {195, "M56"},
  193:     {196, "M57"},
  194:     {197, "M58"},
  195:     {198, "M59"},
  196:     {199, "M60"},
  197:     {214, "M75"},
  198:     {240, "M101"},
  199:     {241, "M102"},
  200:     {242, "M103"},
  201:     {243, "M104"},
  202:     {254, "ZASYNC"},
  203:     {255, "ZCTRLB"},
  204:     {-1, NULL}
  205: };
  206: 
  207: inline int merr_raise(int num)
  208: {
  209:     
  210:     if (merr_in_break ()) {
  211:         ierr = num - CTRLB;
  212:     }
  213:     else {
  214:         ierr = num;
  215:     }
  216: 
  217:     if (num != OK) {
  218:         merr_set_ecode_ierr ();
  219:         
  220:         stcpy (merr_stack[nstx].MCODE, code);
  221:         stcpy (merr_stack[nstx].ECODE, ecode);
  222:         
  223:         if (direct_mode == 1 && nstx == 0) {
  224:             stcpy (merr_stack[nstx].PLACE, "@\201\0");
  225:         }
  226:         else {
  227:             if (!rtn_get_offset (merr_stack[nstx].PLACE)) {
  228:                 stcpy (merr_stack[nstx].PLACE, "???\201");
  229:             }
  230:         }
  231:        
  232:         if (nstx > merr_topstk) merr_topstk = nstx;
  233:     }
  234:     
  235:     return ierr;    
  236: }
  237: 
  238: inline int merr(void)
  239: {
  240:     return ierr < OK ? ierr + CTRLB : ierr;
  241: }
  242: 
  243: short merr_in_break(void)
  244: {
  245:     if (ierr < OK) {
  246:         return TRUE;
  247:     }
  248:     else {
  249:         return FALSE;
  250:     }
  251: }
  252: 
  253: void merr_set_break(void)
  254: {
  255:     if (!merr_in_break ()) {
  256:         ierr = ierr - CTRLB;
  257:     }
  258: }
  259: 
  260: void merr_clear_break(void)
  261: {
  262:     if (merr_in_break ()) {
  263:         ierr = ierr + CTRLB;
  264:     }
  265: }
  266: 
  267: int merr_num_to_code (int num, char *code)
  268: {
  269: 
  270:     err_lut *p;
  271: 
  272:     for (p = errtab; p->canonical_name != NULL; ++p) {
  273: 
  274:         if (p->ecode == num) {
  275:             strcpy (code, p->canonical_name);            
  276:             return 1;
  277:         }
  278: 
  279:     }
  280: 
  281:     return -1;
  282: 
  283: }
  284: 
  285: int merr_code_to_num (char *code)
  286: {
  287: 
  288:     err_lut *p;
  289: 
  290:     for (p = errtab; p->canonical_name != NULL; ++p) {
  291: 
  292:         if (strcmp (p->canonical_name, code) == 0) {            
  293:             return p->ecode;
  294:         }
  295: 
  296:     }
  297:     
  298:     return -1;
  299: 
  300: }
  301: 
  302: void merr_set_ecode_ierr (void)
  303: {
  304:     char *cod;
  305:     char *t;
  306:     
  307:     cod = (char *) malloc (256 * sizeof (char));
  308:     NULLPTRCHK(cod,"merr_set_ecode_ierr");
  309:     
  310:     t = (char *) malloc (256 * sizeof (char));
  311:     NULLPTRCHK(t,"merr_set_ecode_ierr");
  312:     
  313:     if ((merr_num_to_code (merr (), cod)) == -1) goto done;
  314: 
  315:     snprintf (t, 255, ",%s,\201", cod);
  316:     merr_set_ecode (t);
  317:     
  318:     job_set_ecode (pid, cod);
  319:     
  320: done:
  321: 
  322:     free (cod);
  323:     free (t);
  324:     return;
  325: 
  326: }
  327: 
  328: int merr_set_ecode (char *t_code)
  329: {
  330:     int ec;
  331:     char *tmp;
  332:     
  333:     if (t_code[0] == '\201') {
  334:         stcpy (ecode, "\201");
  335:         return 0;
  336:     }
  337: 
  338:     if (t_code[1] != 'M' && t_code[1] != 'Z' && t_code[1] != 'U') { 
  339:         return M101;
  340:     }
  341: 
  342:     stcpy (ecode, t_code);
  343: 
  344:     if (stcmp (t_code, "") == 0) {
  345:         merr_clear ();
  346:         stcpy (t_code, ",ZOK,");  
  347:         stcpy (user_ecode, t_code);      
  348:     }
  349: 
  350:     tmp = strtok (t_code, ",");    
  351: 
  352:     /* caller may set ierr with return value */
  353:     if (ecode[1] == 'U') {
  354:         stcpy (user_ecode, ecode);
  355:         return USERERR;
  356:     }
  357:     else {        
  358:         ec = merr_code_to_num (tmp);
  359:         return (ec);
  360:     }
  361: }
  362: 
  363: void merr_dump (int num, char *rtn, char *nsn, char *tcod, int tpos)
  364: {
  365:     char *tbuf;
  366:     char *dbuf;
  367:     char *nem;
  368:     char *nrt;
  369:     char *real_ecode;
  370:     err_lut *p;
  371:     
  372:     tbuf = (char *) malloc (STRLEN * sizeof (char));
  373:     NULLPTRCHK(tbuf,"merr_dump");
  374: 
  375:     dbuf = (char *) malloc (STRLEN * sizeof (char));
  376:     NULLPTRCHK(dbuf,"merr_dump");
  377:     
  378:     nem = (char *) malloc (STRLEN * sizeof (char));
  379:     NULLPTRCHK(nem,"merr_dump");
  380:     
  381:     nrt = (char *) malloc (STRLEN * sizeof (char));
  382:     NULLPTRCHK(nrt,"merr_dump");
  383:     
  384:     real_ecode = (char *) malloc (STRLEN * sizeof (char));
  385:     NULLPTRCHK(real_ecode,"merr_dump");
  386: 
  387:     stcpy (nrt, rtn);
  388:     stcnv_m2c (nrt);
  389: 
  390:     stcpy (nem, errmes[num]);
  391:     stcnv_m2c (nem);
  392: 
  393:     for (p = errtab; p->canonical_name != NULL; ++p) {
  394: 
  395:         if (p->ecode == num) {
  396: 
  397:             if (strcmp (p->canonical_name, "ZUSERERR") == 0) {
  398:                 stcpy (real_ecode, &user_ecode[1]);
  399:                 stcnv_m2c (real_ecode);
  400:                 real_ecode [strlen (real_ecode) - 1] = NUL;
  401: 
  402:                 snprintf (tbuf, STRLEN, "^$JOB\202%d\202USER_ERRORS\202%s\201", pid, &user_ecode[1]);
  403:                 tbuf [stlen (tbuf) - 1] = '\201';
  404: 
  405:                 global (get_sym, tbuf, dbuf);
  406:                 
  407:                 if (merr () == OK) {
  408:                     stcpy (nem, dbuf);
  409:                     stcnv_m2c (nem);
  410:                 }
  411:                 else {
  412:                     merr_clear ();
  413:                 }
  414:                 
  415:             }
  416:             else {
  417:                 strcpy (real_ecode, p->canonical_name);
  418:             }
  419: 
  420: 
  421:             
  422:             if (!stlen (err_suppl)) {
  423:                 snprintf (tbuf, STRLEN, "\r\n>> Error %s:  %s in %s.%s::%s  [$STACK = %d]\r\n\201", real_ecode, nem, shm_env, nsn, nrt, nstx);
  424:             }
  425:             else {
  426:                 stcnv_m2c (err_suppl);
  427:                 snprintf (tbuf, STRLEN, "\r\n>> Error %s:  %s (%s) in %s::%s  [$STACK = %d]\r\n\201", real_ecode, nem, err_suppl, nsn, nrt, nstx);
  428:                 err_suppl[0] = EOL;
  429:             }
  430:             write_m (tbuf);
  431:             write_m (">> \201");
  432:             write_m (tcod);
  433:             write_m ("\r\n\201");
  434:             write_t (tpos);
  435:             write_m ("^\201");            
  436: 
  437:             goto done;
  438:         }
  439: 
  440:     }
  441: 
  442: 
  443: done:
  444: 
  445:     free (tbuf);
  446:     free (dbuf);
  447:     free (nem);
  448:     free (nrt);
  449:     free (real_ecode);
  450: 
  451:     return;
  452: }
  453: 
  454: 
  455: void merr_set_iochan_err(int channel, short frm_err, char *err_text)
  456: {
  457:     if (channel > MAXDEV || channel < 0) {
  458:         merr_raise (ARGLIST);
  459:         return;
  460:     }
  461: 
  462:     devstat[channel].mdc_err = 1;
  463:     devstat[channel].frm_err = frm_err;
  464: 
  465:     strncpy (devstat[channel].err_txt, err_text, 79);
  466: 
  467:     return;
  468: }
  469: 
  470: void merr_clear_iochan_err(int channel)
  471: {
  472:     if (channel > MAXDEV || channel < 0) {
  473:         merr_raise (ARGLIST);
  474:         return;
  475:     }
  476: 
  477:     devstat[channel].mdc_err = 1;
  478:     devstat[channel].frm_err = OK;
  479:     devstat[channel].err_txt[0] = '\0';
  480: 
  481:     return;
  482: 
  483: }

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