1: /*
2: * $Id: merr.c,v 1.5 2025/04/13 04:22:43 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 1.5 2025/04/13 04:22:43 snw
28: * Fix snprintf calls
29: *
30: * Revision 1.4 2025/04/09 19:52:02 snw
31: * Eliminate as many warnings as possible while building with -Wall
32: *
33: * Revision 1.3 2025/03/09 19:50:47 snw
34: * Second phase of REUSE compliance and header reformat
35: *
36: *
37: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
38: * SPDX-License-Identifier: AGPL-3.0-or-later
39: **/
40:
41: #include <string.h>
42: #include <stdlib.h>
43:
44: #include "mpsdef.h"
45: #include "merr.h"
46: #include "jobtab.h"
47:
48: merr_stackent merr_stack[NESTLEVLS + 1];
49: char etrap[256];
50: char ecode[256];
51: char user_ecode[256];
52: int estack;
53: int etrap_lvl = 0;
54: int merr_topstk = 0;
55:
56: typedef struct err_lut {
57: int ecode;
58: const char *canonical_name;
59: } err_lut;
60:
61: err_lut errtab[] = {
62: {0, "ZOK"},
63: {1, "ZINRPT"},
64: {2, "ZBKERR"},
65: {3, "ZNOSTAND"},
66: {4, "ZUNDEF"},
67: {5, "ZLBLUNDEF"},
68: {6, "ZMISSOPD"},
69: {7, "ZMISSOP"},
70: {8, "ZILLOP"},
71: {9, "ZQUOTER"},
72: {10, "ZCOMMAER"},
73: {11, "ZASSIGNER"},
74: {12, "ZARGER"},
75: {13, "ZSPACER"},
76: {14, "ZBRAER"},
77: {15, "ZLVLERR"},
78: {16, "ZDIVER"},
79: {17, "ZILLFUN"},
80: {18, "ZFUNARG"},
81: {19, "ZZTERR"},
82: {20, "ZNEXTER"},
83: {21, "ZSELER"},
84: {22, "ZCMMND"},
85: {23, "ZARGLIST"},
86: {24, "ZINVEXPR"},
87: {25, "ZINVREF"},
88: {26, "ZMXSTR"},
89: {27, "ZTOOPARA"},
90: {28, "ZNOPEN"},
91: {29, "ZNODEVICE"},
92: {30, "ZPROTECT"},
93: {31, "ZGLOBER"},
94: {32, "ZFILERR"},
95: {33, "ZPGMOV"},
96: {34, "ZSTKOV"},
97: {35, "ZSTORE"},
98: {36, "ZNOREAD"},
99: {37, "ZNOWRITE"},
100: {38, "ZNOPGM"},
101: {39, "ZNAKED"},
102: {40, "ZSBSCR"},
103: {41, "ZISYNTX"},
104: {42, "ZDBDGD"},
105: {43, "ZKILLER"},
106: {44, "ZHUPER"},
107: {45, "ZMXNUM"},
108: {46, "ZNOVAL"},
109: {47, "ZTYPEMISMATCH"},
110: {48, "ZMEMOV"},
111: {49, "ZNAMERES"},
112: {50, "ZSCKCREAT"},
113: {51, "ZSCKIFAM"},
114: {52, "ZSCKITYP"},
115: {53, "ZSCKIPRT"},
116: {54, "ZSCKCERR"},
117: {55, "ZSCKAERR"},
118: {56, "ZSCKACON"},
119: {57, "ZSCKNCON"},
120: {58, "ZSCKEOPT"},
121: {59, "ZSCKERCV"},
122: {60, "ZSCKESND"},
123: {61, "ZNORPI"},
124: {62, "ZCREDEF"},
125: {63, "ZCMODIFY"},
126: {64, "ZFILEXWR"},
127: {65, "ZINEWMUL"},
128: {66, "ZINVHORO"},
129: {67, "ZTYPMISMATCH"},
130: {68, "ZINVTYPE"},
131: {69, "ZINVLIBOPT"},
132: {80, "ZECODEINV"},
133: {81, "ZASSERT"},
134: {82, "ZUSERERR"},
135: {83, "ZOBJFLDACCV"},
136: {84, "ZOBJCONFLICT"},
137: {85, "ZOBJPRIVOVFL"},
138: {86, "ZOBJACINVALID"},
139: {128, "ZSYNTERR"},
140: {140, "M1"},
141: {141, "M2"},
142: {142, "M3"},
143: {143, "M4"},
144: {144, "M5"},
145: {145, "M6"},
146: {146, "M7"},
147: {147, "M8"},
148: {148, "M9"},
149: {149, "M10"},
150: {150, "M11"},
151: {151, "M12"},
152: {152, "M13"},
153: {153, "M14"},
154: {154, "M15"},
155: {155, "M16"},
156: {156, "M17"},
157: {157, "M18"},
158: {158, "M19"},
159: {159, "M20"},
160: {160, "M21"},
161: {161, "M22"},
162: {162, "M23"},
163: {163, "M24"},
164: {164, "M25"},
165: {165, "M26"},
166: {166, "M27"},
167: {167, "M28"},
168: {168, "M29"},
169: {169, "M30"},
170: {170, "M31"},
171: {171, "M32"},
172: {172, "M33"},
173: {173, "M34"},
174: {174, "M35"},
175: {175, "M36"},
176: {176, "M37"},
177: {177, "M38"},
178: {178, "M39"},
179: {179, "M40"},
180: {180, "M41"},
181: {181, "M42"},
182: {182, "M43"},
183: {183, "M44"},
184: {184, "M45"},
185: {185, "M46"},
186: {186, "M47"},
187: {187, "M48"},
188: {188, "M49"},
189: {189, "M50"},
190: {190, "M51"},
191: {191, "M52"},
192: {192, "M53"},
193: {193, "M54"},
194: {194, "M55"},
195: {195, "M56"},
196: {196, "M57"},
197: {197, "M58"},
198: {198, "M59"},
199: {199, "M60"},
200: {214, "M75"},
201: {240, "M101"},
202: {241, "M102"},
203: {242, "M103"},
204: {243, "M104"},
205: {254, "ZASYNC"},
206: {255, "ZCTRLB"},
207: {-1, NULL}
208: };
209:
210: inline int merr_raise(int num)
211: {
212:
213: if (merr_in_break ()) {
214: ierr = num - CTRLB;
215: }
216: else {
217: ierr = num;
218: }
219:
220: if (num != OK) {
221: merr_set_ecode_ierr ();
222:
223: stcpy (merr_stack[nstx].MCODE, code);
224: stcpy (merr_stack[nstx].ECODE, ecode);
225:
226: if (direct_mode == 1 && nstx == 0) {
227: stcpy (merr_stack[nstx].PLACE, "@\201\0");
228: }
229: else {
230: if (!rtn_get_offset (merr_stack[nstx].PLACE)) {
231: stcpy (merr_stack[nstx].PLACE, "???\201");
232: }
233: }
234:
235: if (nstx > merr_topstk) merr_topstk = nstx;
236: }
237:
238: return ierr;
239: }
240:
241: inline int merr(void)
242: {
243: return ierr < OK ? ierr + CTRLB : ierr;
244: }
245:
246: short merr_in_break(void)
247: {
248: if (ierr < OK) {
249: return TRUE;
250: }
251: else {
252: return FALSE;
253: }
254: }
255:
256: void merr_set_break(void)
257: {
258: if (!merr_in_break ()) {
259: ierr = ierr - CTRLB;
260: }
261: }
262:
263: void merr_clear_break(void)
264: {
265: if (merr_in_break ()) {
266: ierr = ierr + CTRLB;
267: }
268: }
269:
270: int merr_num_to_code (int num, char *code)
271: {
272:
273: err_lut *p;
274:
275: for (p = errtab; p->canonical_name != NULL; ++p) {
276:
277: if (p->ecode == num) {
278: strcpy (code, p->canonical_name);
279: return 1;
280: }
281:
282: }
283:
284: return -1;
285:
286: }
287:
288: int merr_code_to_num (char *code)
289: {
290:
291: err_lut *p;
292:
293: for (p = errtab; p->canonical_name != NULL; ++p) {
294:
295: if (strcmp (p->canonical_name, code) == 0) {
296: return p->ecode;
297: }
298:
299: }
300:
301: return -1;
302:
303: }
304:
305: void merr_set_ecode_ierr (void)
306: {
307: char *cod;
308: char *t;
309:
310: cod = (char *) malloc (MERR_COD_LENGTH * sizeof (char));
311: NULLPTRCHK(cod,"merr_set_ecode_ierr");
312:
313: t = (char *) malloc (MERR_COD_LENGTH * sizeof (char));
314: NULLPTRCHK(t,"merr_set_ecode_ierr");
315:
316: if ((merr_num_to_code (merr (), cod)) == -1) goto done;
317:
318: snprintf (t, MERR_COD_LENGTH - 1, ",%s,\201", cod);
319: merr_set_ecode (t);
320:
321: job_set_ecode (pid, cod);
322:
323: done:
324:
325: free (cod);
326: free (t);
327: return;
328:
329: }
330:
331: int merr_set_ecode (char *t_code)
332: {
333: int ec;
334: char *tmp;
335:
336: if (t_code[0] == '\201') {
337: stcpy (ecode, "\201");
338: return 0;
339: }
340:
341: if (t_code[1] != 'M' && t_code[1] != 'Z' && t_code[1] != 'U') {
342: return M101;
343: }
344:
345: stcpy (ecode, t_code);
346:
347: if (stcmp (t_code, "") == 0) {
348: merr_clear ();
349: stcpy (t_code, ",ZOK,");
350: stcpy (user_ecode, t_code);
351: }
352:
353: tmp = strtok (t_code, ",");
354:
355: /* caller may set ierr with return value */
356: if (ecode[1] == 'U') {
357: stcpy (user_ecode, ecode);
358: return USERERR;
359: }
360: else {
361: ec = merr_code_to_num (tmp);
362: return (ec);
363: }
364: }
365:
366: void merr_dump (int num, char *rtn, char *nsn, char *tcod, int tpos)
367: {
368: char *tbuf;
369: char *dbuf;
370: char *nem;
371: char *nrt;
372: char *real_ecode;
373: err_lut *p;
374:
375: tbuf = (char *) malloc (STRLEN * sizeof (char));
376: NULLPTRCHK(tbuf,"merr_dump");
377:
378: dbuf = (char *) malloc (STRLEN * sizeof (char));
379: NULLPTRCHK(dbuf,"merr_dump");
380:
381: nem = (char *) malloc (STRLEN * sizeof (char));
382: NULLPTRCHK(nem,"merr_dump");
383:
384: nrt = (char *) malloc (STRLEN * sizeof (char));
385: NULLPTRCHK(nrt,"merr_dump");
386:
387: real_ecode = (char *) malloc (STRLEN * sizeof (char));
388: NULLPTRCHK(real_ecode,"merr_dump");
389:
390: stcpy (nrt, rtn);
391: stcnv_m2c (nrt);
392:
393: stcpy (nem, errmes[num]);
394: stcnv_m2c (nem);
395:
396: for (p = errtab; p->canonical_name != NULL; ++p) {
397:
398: if (p->ecode == num) {
399:
400: if (strcmp (p->canonical_name, "ZUSERERR") == 0) {
401: stcpy (real_ecode, &user_ecode[1]);
402: stcnv_m2c (real_ecode);
403: real_ecode [strlen (real_ecode) - 1] = NUL;
404:
405: snprintf (tbuf, STRLEN - 1, "^$JOB\202%d\202USER_ERRORS\202%s\201", pid, &user_ecode[1]);
406: tbuf [stlen (tbuf) - 1] = '\201';
407:
408: global (get_sym, tbuf, dbuf);
409:
410: if (merr () == OK) {
411: stcpy (nem, dbuf);
412: stcnv_m2c (nem);
413: }
414: else {
415: merr_clear ();
416: }
417:
418: }
419: else {
420: strcpy (real_ecode, p->canonical_name);
421: }
422:
423:
424:
425: if (!stlen (err_suppl)) {
426: snprintf (tbuf, STRLEN - 1, "\r\n>> Error %s: %s in %s.%s::%s [$STACK = %d]\r\n\201", real_ecode, nem, shm_env, nsn, nrt, nstx);
427: }
428: else {
429: stcnv_m2c (err_suppl);
430: snprintf (tbuf, STRLEN - 1, "\r\n>> Error %s: %s (%s) in %s::%s [$STACK = %d]\r\n\201", real_ecode, nem, err_suppl, nsn, nrt, nstx);
431: err_suppl[0] = EOL;
432: }
433: write_m (tbuf);
434: write_m (">> \201");
435: write_m (tcod);
436: write_m ("\r\n\201");
437: write_t (tpos);
438: write_m ("^\201");
439:
440: goto done;
441: }
442:
443: }
444:
445:
446: done:
447:
448: free (tbuf);
449: free (dbuf);
450: free (nem);
451: free (nrt);
452: free (real_ecode);
453:
454: return;
455: }
456:
457:
458: void merr_set_iochan_err(int channel, short frm_err, char *err_text)
459: {
460: if (channel > MAXDEV || channel < 0) {
461: merr_raise (ARGLIST);
462: return;
463: }
464:
465: devstat[channel].mdc_err = 1;
466: devstat[channel].frm_err = frm_err;
467:
468: strncpy (devstat[channel].err_txt, err_text, 79);
469:
470: return;
471: }
472:
473: void merr_clear_iochan_err(int channel)
474: {
475: if (channel > MAXDEV || channel < 0) {
476: merr_raise (ARGLIST);
477: return;
478: }
479:
480: devstat[channel].mdc_err = 1;
481: devstat[channel].frm_err = OK;
482: devstat[channel].err_txt[0] = '\0';
483:
484: return;
485:
486: }
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