1: /*
2: * $Id: frmgbl.c,v 1.16 2025/04/30 17:19:16 snw Exp $
3: * freem global C variables
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: frmgbl.c,v $
27: * Revision 1.16 2025/04/30 17:19:16 snw
28: * Improve backtraces in debugger
29: *
30: * Revision 1.15 2025/04/30 14:41:03 snw
31: * Further debugger work
32: *
33: * Revision 1.14 2025/04/28 19:38:55 snw
34: * Add trace mode
35: *
36: * Revision 1.13 2025/04/17 14:34:27 snw
37: * Further logging improvements
38: *
39: * Revision 1.12 2025/04/16 17:36:12 snw
40: * Add FreeBSD shm cleanup script
41: *
42: * Revision 1.11 2025/04/13 04:22:43 snw
43: * Fix snprintf calls
44: *
45: * Revision 1.10 2025/04/10 01:24:38 snw
46: * Remove C++ style comments
47: *
48: * Revision 1.9 2025/04/03 01:41:02 snw
49: * New features frozen; prepare 0.63.0-rc1
50: *
51: * Revision 1.8 2025/04/02 03:02:42 snw
52: * Stop requiring users to pass -e to fmadm when -u or -g are passed
53: *
54: * Revision 1.7 2025/04/01 16:37:12 snw
55: * Configure DEFAULT environment the same as others, and set permissions/ownership directly in fmadm configure. Add env.conf file as a centralized configuration listing all environments.
56: *
57: * Revision 1.6 2025/03/24 04:05:36 snw
58: * Replace crlf with frm_crlf to avoid symbol conflict with readline on OS/2
59: *
60: * Revision 1.5 2025/03/09 19:14:25 snw
61: * First phase of REUSE compliance and header reformat
62: *
63: *
64: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
65: * SPDX-License-Identifier: AGPL-3.0-or-later
66: **/
67:
68: /* needed if byte data are to be interpreted as unsigned integer */
69: #include <stdlib.h>
70: #include <setjmp.h>
71: #include <signal.h>
72: #include <stdio.h>
73: #include "mpsdef0.h"
74: #include <fcntl.h>
75: #include <unistd.h>
76: #include <string.h>
77: #include <sys/types.h>
78: #include <sys/wait.h>
79: #include <errno.h>
80: #include "transact.h"
81: #include "locktab.h"
82: #include "log.h"
83:
84: #ifdef LIBFREEM
85: # include "errmsg.h"
86: #endif
87:
88: #define UNSIGN(A) ((A)&0377)
89:
90: #define g_EOL 30
91: #define POINT 28
92: #define MINUS 26
93:
94: #define ROOT 0L
95: /* length of blocks. status bytes defined as offset to blocklength */
96: #define DATALIM (BLOCKLEN-11)
97: #define LLPTR (BLOCKLEN-10)
98: #define NRBLK LLPTR
99: #define RLPTR (BLOCKLEN- 6)
100: #define FREE RLPTR
101: #define BTYP (BLOCKLEN- 3)
102: #define OFFS (BLOCKLEN- 2)
103:
104: #define EMPTY 0
105: #define FBLK 1
106: #define POINTER 2
107: #define BOTTOM 6
108: #define DATA 8
109:
110: #define PROTECT 30
111:
112:
113: #ifndef SYSFIVE
114: #define FreeM_timezone -3600
115: #else
116:
117: #ifdef __CYGWIN__
118: #define FreeM_timezone _timezone
119: #else
120: long FreeM_timezone;
121: #endif /* __CYGWIN__ */
122:
123: #endif /* SYSFIVE */
124:
125: #if defined(__CYGWIN__)
126: # define FreeM_timezone _timezone
127: #endif
128:
129: /* mumps commands */
130: #define BREAK 'b'
131: #define CLOSE 'c'
132: #define DO 'd'
133: #define DO_BLOCK 2
134: #define ELSE 'e'
135: #define FOR 'f'
136: #define GOTO 'g'
137: #define HA 'h'
138: #define HALT '0'
139: #define HANG '1'
140: #define IF 'i'
141: #define JOB 'j'
142: #define KILL 'k'
143: #define LOCK 'l'
144: #define NEW 'n'
145: #define OPEN 'o'
146: #define QUIT 'q'
147: #define READ 'r'
148: #define SET 's'
149: #define USE 'u'
150: #define VIEW 'v'
151: #define WRITE 'w'
152: #define XECUTE 'x'
153: #define ZBREAK 'B'
154: #define ZGO 'G'
155: #define ZHALT 'H'
156: #define ZINSERT 'I'
157: #define ZJOB 'J'
158: #define ZLOAD 'L'
159: #define ZNEW 'N'
160: #define ZPRINT 'P'
161: #define ZQUIT 'Q'
162: #define ZREMOVE 'R'
163: #define ZSAVE 'S'
164: #define ZTRAP 'T'
165: #define ZWRITE 'W'
166: #define PRIVATE SP
167:
168: #if defined(HAVE_MWAPI_MOTIF)
169: # include <Xm/Xm.h>
170: XtAppContext mwapi_context;
171: #endif
172:
173: short run_daemon = FALSE;
174: short nofork = FALSE;
175: char *pid_file_path;
176: int pid_fd;
177:
178: /* USING and WITH */
179: char i_using[STRLEN] = {'\201'};
180: char i_with[STRLEN] = {'\201'};
181:
182: /* common definitions for all mumps modules */
183: /* same as external definition in include_file mpsdef */
184:
185: extern int errno; /* external error code for systemcalls */
186:
187: int m_argc; /* arguments count */
188: char **m_argv; /* arguments string */
189: char **m_envp; /* environment pointer */
190:
191: short frm_throw_all_errors = 1;
192:
193: /* glvn size parameters */
194: union four_fl {
195: long unsigned all;
196: char one[4];
197: } glvnflag; /* [0] unique name chars 0=no limit */
198:
199: /* [1] case sensitivity flag 0=sensitive */
200: /* [2] max. name+subscripts 0=no limit */
201: /* [3] max. length of a subscript 0=no limit */
202: int libflag = FALSE; /* running as library? */
203: int lonelyflag = FALSE; /* single user flag */
204: int lowerflag = TRUE; /* lowercase everywhere flag */
205: int killerflag = TRUE; /* SIGTERM handling flag */
206: int huperflag = TRUE; /* SIGHUP handling flag */
207: int s_fun_flag = TRUE; /* VIEW 70: ZSORT/ZSYNTAX flag */
208: int n_fun_flag = TRUE; /* VIEW 71: ZNEXT/ZNAME flag */
209: int p_fun_flag = TRUE; /* VIEW 72: ZPREVIOUS/ZPIECE flag */
210: int d_fun_flag = TRUE; /* VIEW 73: ZDATA/ZDATE flag */
211: int zjobflag = TRUE; /* VIEW 79: old ZJOB vs. new ZJOB flag */
212: int eightbit = TRUE; /* VIEW 80: 7 vs. 8 bit flag */
213: int PF1flag = FALSE; /* VIEW 81: PF1 flag */
214: int ordercounter = 0; /* VIEW 82: order counter */
215: int etxtflag = FALSE; /* VIEW 83: text in $ZE flag */
216: char lvndefault[256] = "\201"; /* VIEW 89: UNDEF lvn default */
217: char gvndefault[256] = "\201"; /* VIEW 90: UNDEF gvn default */
218: char exfdefault[256] = "\201"; /* VIEW 91: missing QUIT expr default */
219: int typemmflag = FALSE; /* VIEW 92: EUR2DEM: type mismatch error */
220: int namespace = 0; /* VIEW 200: namespace index */
221: int config = 0; /* VIEW 201: configuration index */
222: char WHR[12][4] = { /* names of currencies */
223: "\201",
224: "EUR\201",
225: "ATS\201",
226: "BFR\201",
227: "DEM\201",
228: "ESP\201",
229: "FMK\201",
230: "FRF\201",
231: "IEP\201",
232: "ITL\201",
233: "NLG\201",
234: "PTE\201"
235: };
236:
237: char EUR2WHR[12][9] = { /* conversion factors EUR to ... */
238: "\201", /* dont care */
239: "1\201", /* to EUR */
240: "13.7603\201", /* to ATS */
241: "40.3399\201", /* to BFR */
242: "1.95583\201", /* to DEM (DM) */
243: "166.386\201", /* to ESP */
244: "5.94573\201", /* to FMK */
245: "6.55957\201", /* to FRF (FF) */
246: ".787564\201", /* to IEP */
247: "1936.27\201", /* to ITL */
248: "2.20371\201", /* to NLG */
249: "200.482\201" /* to PTE */
250: };
251:
252: long v93 = 1; /* VIEW 93: ASCII rule default */
253: char v93a[NO_V93][2560] = {
254: /* ASCII */
255: " :, :!,A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201",
256: /* B - BELGIAN */
257: " :, :!,@:a,\\:c,{:e,}:e,\
258: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201,\200:e",
259: /* D - GERMAN */
260: " \001\002 \001\002!\001\002\042\001\002#\001\002$\001\002%\001\002&\001\002\
261: '\001\002(\001\002)\001\002*\001\002+\001\002,\001\002-\001\002.\001\002\
262: /\001\002:\001\002;\001\002<\001\002=\001\002>\001\002?\001\002@\001\002\
263: ^\001\002_\001\002`\001\002A\001a\002B\001b\002C\001c\002D\001d\002E\001e\002\
264: F\001f\002G\001g\002H\001h\002I\001i\002J\001j\002K\001k\002L\001l\002\
265: M\001m\002N\001n\002O\001o\002P\001p\002Q\001q\002R\001r\002S\001s\002\
266: T\001t\002U\001u\002V\001v\002W\001w\002X\001x\002Y\001y\002Z\001z\002\
267: {\001ae\002[\001ae\002|\001oe\002\134\001oe\002}\001ue\002]\001ue\002\
268: ~\001ss\002\200\001e\002\201",
269: /* DK - DANISH */
270: " :, :!,{:ae,|:oe,}:au,~:ue,\
271: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z,\
272: [:ae,\\:oe,]:ao,^:ue,\200:e\201",
273: /* E - SPANISH */
274: " :, :!,|:n,}:c,ll:l,\
275: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z,\200:e,\
276: \\:n,LL:l\201",
277: /* F - FRENCH */
278: " :, :!,\\:c,{:e,|:u,}:e,\
279: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z,\200:e,\201",
280: /* I - ITALIAN */
281: " :, :!,\\:c,]:e,`:u,{:a,|:o,}:e,~:i,\
282: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z,\200:e,\201",
283: /* S - SWEDISH */
284: " :, :!,`:e,{:ae,|:oe,}:ao,~:ue,\
285: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z,\
286: @:e,[:ae,\\:oe,]:ao,~:ue,\200:e,\201"
287: };
288:
289:
290: char glo_prefix[MONTH_LEN] = "^\201"; /* VIEW 96: global prefix */
291: char glo_ext[MONTH_LEN] = "\201"; /* VIEW 97: global postfix */
292: char rou_ext[MONTH_LEN] = ".m\201"; /* VIEW 98: routine extention */
293: long tzoffset = 0L; /* VIEW 99: timer offset */
294: int v100 = 0; /* VIEW 100: return value of kill */
295: char l_o_val[256] = "\201"; /* VIEW 110: local $o/$q data value */
296: char g_o_val[256] = "\201"; /* VIEW 111: global $o/$q data value */
297: int zsavestrategy = TRUE; /* VIEW 133: remember ZLOAD directory on ZSAVE */
298:
299: /* vars for screen save/restore */
300: struct vtstyp *screen = NULL; /* active screen */
301: short jour_flag = 0; /* journal flag 0/1/-1 */
302:
303: /* trace vars for global module */
304: unsigned long traceblk[TRLIM]; /* trace stack - block numbers */
305: short traceadr[TRLIM]; /* - status */
306: short trx; /* - stack pointer */
307: char compactkey[256]; /* internal form of key in global.c */
308:
309: short mcmnd; /* mumps command letter */
310: short arg; /* stack pointer for expr.c */
311: char *argstck[PARDEPTH + 1]; /* stack of pointers to */
312:
313: /* intermediate results */
314:
315: long ordercnt = 0L; /* repeater for $order/$query */
316: short setpiece = FALSE; /* TRUE: set$piece executing */
317: short setop = 0; /* SET op flag */
318: char rou_name[256] =
319: {EOL}; /* $T(+0)/$ZN routine name */
320: char *namstck; /* routine name stack */
321: char *namptr; /* routine name stack pointer */
322: char *framstck; /* DO_frame stack */
323: char *dofrmptr; /* DO_frame stack pointer */
324: char zb[40] = "\201"; /* $ZB last ESC_sequence */
325: char zerror[300] = "\201"; /* $ZE last error */
326: short DSM2err = FALSE; /* enable normal error processing */
327: short nesterr = 0; /* nesterr and callerr contain info */
328: char callerr[NESTLEVLS + 1][40]; /* about call situation at error */
329:
330: char stack0[256] = "\201";
331:
332: char zmc[128] = "\
333: \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\
334: \020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\177\201";
335:
336: /* $ZMC loadable match 'controls' */
337: char zmn[128] = "0123456789\201"; /* $ZMN loadable match 'numerics' */
338:
339: /* $ZMP loadable match 'punctuation' */
340: char zmp[128] = " !\042#$%&'()*+,-./:;<=>?@^_`\201";
341:
342: /* $ZML loadable match 'lowercase' */
343: char zml[128] = "abcdefghijklmnopqrstuvwxyz{|}~\201";
344:
345: /* $ZMU loadable match 'uppercase' */
346: char zmu[128] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]\201";
347:
348: short zerr = OK; /* $ZE numeric error code */
349: char zloc[256] = "\201"; /* $ZL last local reference */
350: char zref[256] = "\201"; /* $ZR last global reference */
351: short nakoffs = 0; /* offset to naked reference */
352: char zfunkey[44][FUNLEN]; /* $ZF function key */
353:
354: typedef struct frm_devstat {
355: short mdc_err;
356: short frm_err;
357: char err_txt[80];
358: } frm_devstat;
359:
360: frm_devstat devstat[MAXDEV + 1]; /* channel statuses for $DEVICE */
361:
362: short xpos[MAXDEV + 1]; /* $X-vector */
363: short ypos[MAXDEV + 1]; /* $Y-vector */
364: short frm_crlf[MAXDEV + 1]; /* CR/LF flag vector */
365: short fm_nodelay[MAXDEV + 1]; /* nodelay flag vector */
366:
367: int ESCflag[MAXDEV + 1] =
368: {0, 0, 0, 0, 0}; /* ESC flag */
369:
370: short RightMargin = 0; /* Output Margin. Default no */
371:
372: /* automatic CR/LF */
373: short InFieldLen = 255; /* Input Field length Def: 255 char */
374: long DSW = BIT2 + BIT21; /* Device Status word (Terminal) */
375: char LineTerm[32] = "\012\015\201"; /* Input Line Terminator chars */
376: char BrkKey = 3; /* <INTERRUPT> key Def: CTRL/C */
377: char ug_buf[MAXDEV + 1][256]; /* ungetc-buffers */
378: char devopen[MAXDEV + 1] =
379: {0, 0, 0, 0, 0}; /* 0 not open */
380:
381: /* 'r' input */
382: /* 'w' or 'a' output */
383:
384: /* names of IO devices */
385: char dev[MAXDEV + 1][40] = {
386: " ", /* HOME */
387: "/usr/tmp/mout.1/a\201", /* dev 1 */
388: "/usr/tmp/mout.2/a\201", /* dev 2 */
389: "/usr/tmp/mout.3/a\201", /* dev 3 */
390: "/usr/tmp/mout.4/a\201" /* dev 4 */
391: };
392:
393: char G0I[MAXDEV + 1][257]; /* G0 input translation table */
394: char G0O[MAXDEV + 1][257]; /* G0 output translation table */
395: char G1I[MAXDEV + 1][257]; /* G1 input translation table */
396: char G1O[MAXDEV + 1][257]; /* G1 output translation table */
397:
398: FILE *opnfile[MAXDEV + 1];
399: char act_oucpath[MAXDEV + 1][40] = {"\201", "\201", "\201", "\201", "\201"};
400: char sq_modes[MAXDEV + 1];
401:
402: short olddes[NO_GLOBLS]; /* filedescr of open global files */
403: char oldfil[NO_GLOBLS][1024]; /* names of open global files */
404: long g_ages[NO_GLOBLS]; /* last access of global files */
405: short usage[NO_GLOBLS]; /* usage count of global files */
406: short inuse = 0; /* file in use */
407:
408: int lio_mode = -1;
409: short io = HOME; /* $IO */
410: short test = FALSE; /* $TEST */
411: short pattrnflag = FALSE; /* incomplete match flag */
412: char pattrnchar = EOL; /* incomplete match flag supplement */
413: int zsystem = 0; /* $ZSYSTEM return status of UNIX call */
414: short zcc = FALSE; /* $ZC (ControlC-Flag) */
415:
416: char *rouptr; /* pointer to begin of routine */
417: char *roucur; /* cursor into routine */
418: char *rouend; /* pointer to end of pgm */
419: char *rouins; /* pointer for direct mode insert */
420: short breakon = ENABLE; /* BREAK enable/disable-flag */
421: short zbreakon = DISABLE; /* ZBREAK enable/disable-flag */
422: short zbflag = FALSE; /* 'ZBREAK from terminal'-flag */
423: short zprecise = 100; /* $ZPRECISION of arithmetic */
424: char fp_conversion[10]; /* sprintf conversion constant for ieee754 support */
425: long nrandom; /* random number seed */
426: long ran_a = 24298L; /* random number parameter a */
427: long ran_b = 99991L; /* random number parameter b */
428: long ran_c = 199017L; /* random number parameter c */
429:
430: short usermode = 1; /* 0=user mode 1=programmer mode */
431: int restricted_mode = FALSE; /* TRUE=restricted FALSE=unrestricted */
432: short demomode = FALSE; /* 0=no demo 1=demo mode */
433: int d0char = DEL; /* demomode ouput character */
434: int d1char = CAN; /* demomode '!' character */
435: short cset = FALSE; /* 0=mumps set 1='C' set flag */
436:
437: /* startup flags */
438: int hardcopy = DISABLE; /* hardcopy flag */
439: int frm_filter = FALSE; /* filter flag */
440: int noclear = FALSE; /* noclear flag */
441: int standard = D_FREEM; /* default dialect */
442: int quiet_mode = FALSE; /* quiet mode */
443: char config_file[4096]; /* path to configuration file */
444: char env_config_file[4096]; /* path to environment config file */
445: char env_user[255];
446: char env_group[255];
447: char env_enabled[10];
448: char shm_env[255]; /* shared memory environment */
449:
450: short fp_mode = 0; /* set to 0 for fixed-point math, 1 for IEEE754 floating point */
451: short en_revstrf = 1; /* enable reverse forms of string intrinsics */
452:
453: short ierr; /* immediate error status */
454: short deferred_ierr; /* deferred error status (after returning from a private routine) */
455: char err_suppl[255]; /* supplemental information about an error */
456:
457: long PSIZE = DEFPSIZE; /* size of 'partition' */
458: char *mbpartition; /* memory-backed globals partition */
459: short writing_mb = FALSE;
460: char *partition; /* partition (symbol table) */
461: long symlen = DEFPSIZE; /* 'lower' bound of symbol table */
462: unsigned long alphptr[128] = /* pointers into symbol table */
463: {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
464: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
465: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
466: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
467: char *apartition; /* alternate partition */
468: long asymlen = DEFPSIZE; /* 'lower' bound of symbol table */
469: unsigned long aalphptr[128] = /* pointers into symbol table */
470: {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
471: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
472: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
473: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
474:
475: short autopsize = TRUE; /* automatic increase of PSIZE */
476: long svnlen = DEFUDFSVSIZ; /* 'lower' bound of udf_svn_tab */
477: long UDFSVSIZ = DEFUDFSVSIZ; /* size of userdef special var tab. */
478: char *svntable; /* udf special variable table */
479: unsigned long svnaptr[128] = /* pointers into udf_svn_tab */
480: {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
481: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
482: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
483: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
484:
485: short autousize = TRUE; /* automatic increase of UDFSVSIZ */
486: long NO_OF_RBUF = DEFNO_OF_RBUF; /* number of routine buffers */
487: long PSIZE0 = DEFPSIZE0; /* size of routine buffers */
488: short autorsize = TRUE; /* automatic increase of PSIZE0 */
489: short aliases = 0; /* aliases pointer */
490: char ali[2000]; /* aliases table */
491: long v22ptr = 0L; /* view 22 aliases pointer */
492: char *v22ali; /* view 22 aliases field */
493: long v22size = 0L; /* current size of aliases field */
494:
495:
496: long NSIZE = DEFNSIZE; /* size of newstack */
497: char *newstack; /* stack for NEWed variables */
498: char *newptr; /* pointer to NEW stack */
499: char *newlimit; /* pointer to NEW stack end */
500:
501: short nstx = 0; /* nest stack: */
502: short nestc[NESTLEVLS + 1]; /* - command (DO...) */
503: char *nestp[NESTLEVLS + 1]; /* - cmdptr */
504: char *nestn[NESTLEVLS + 1]; /* - namptr */
505: long nestr[NESTLEVLS + 1]; /* - roucur */
506: char *nestnew[NESTLEVLS + 1]; /* - newptr */
507: short neste[NESTLEVLS + 1]; /* - was this frame entered as the result of an error? */
508: short nestlt[NESTLEVLS + 1]; /* stack $T / stack levelcount */
509: short brkstk[NESTLEVLS + 1]; /* stack for BREAK information */
510:
511: char ztrap[NESTLEVLS + 2][ZTLEN]; /* $ZTRAP to be xecuted on error */
512:
513:
514: char *s; /* pointer to symlen_offset */
515: char *argptr; /* pointer to beg of tmp-storage */
516:
517: char code[512] =
518: {EOL, EOL}; /* currently interpreted code */
519: char *codptr = code; /* pointer within code[] */
520:
521: char dosave[20]; /* in a FOR range save DO label */
522: char *xdosave;
523:
524: int errfunlvl = 0; /* avoid wrong error message in $$FUN */
525: short repQUIT = 0; /* QUIT repeater */
526:
527: char varnam[256]; /* variable/array/function name */
528: char varerr[256] =
529: {EOL}; /* reference in error message */
530: char *buff; /* routine buffer pool */
531: char pgms[MAXNO_OF_RBUF][40]; /* names of alt.pgms */
532: long ages[MAXNO_OF_RBUF]; /* last call to this pgm */
533: char *ends[MAXNO_OF_RBUF]; /* saved rouend-pointer */
534: char path[MAXNO_OF_RBUF][256]; /* directory where routine was loaded */
535: rtn_flags rbuf_flags[MAXNO_OF_RBUF]; /* per-routine flags */
536:
537: char glopath[PATHLEN]; /* path to access globals */
538: char rou0path[PATHLEN]; /* routine access with DO,GOTO,JOB */
539: char rou1path[PATHLEN]; /* routine access with ZL,ZS */
540: char gloplib[PATHLEN]; /* path to access %globals */
541:
542: char gbl_u_engine[255]; /* user global engine */
543: char gbl_s_engine[255]; /* system global engine */
544: char loc_engine[255]; /* local engine */
545:
546: unsigned long int bdb_flush_threshold;
547:
548: char rou0plib[PATHLEN]; /* %routine path (DO..) */
549: char rou1plib[PATHLEN]; /* %routine path (ZL..) */
550: char oucpath[PATHLEN] = "\201"; /* OPEN/USE/CLOSE path */
551: char zargdefname[PATHLEN]= "%\201"; /* default varname for Z-commands */
552: FILE *jouraccess; /* dto. filedes */
553: char curdir[256] = "."; /* current directory */
554:
555: char startuprou[PATHLEN] = "\201"; /* start up routine from cmdline*/
556:
557: char zcommds[256] =
558: " za zas zb zd zg zh zi zj zl zn zp zq zr zs zt zwr zbreak \
559: zgo zhalt zinsert zjob zload znamespace zprint zquit zremove zsave ztrap zwrite \201"; /* intrinsic z-commands */
560: char zfunctions[256] = /* intrinsic z-functions */
561: " zb zc zd ze zh zht zk zl zm zn zo zp zr zs zt zboolean zcall zcr zcrc zdata zdate zedit zhorolog \
562: zkey zlength zlsd zname znext zorder zpiece zprevious zreplace zsyntax zsort ztime \201";
563: char zsvn[256] = /* intrinsic z-special variables */
564: " za zb zc zd ze zf zh zi zj zl zmc zmn zmp zma zml zmu zme zn zo zp zs zt zu zv \
565: zcontrolc zdate zerror zname zhorolog zinrpt zjob zlocal zorder zprecision zsystem ztime ztr ztrap zuuid zut zversion \201";
566: char brkaction[256] = "\201"; /* action in case of BREAK */
567: pid_t father = 0; /* JOB-ID of father process */
568: char jour_hostid[256];
569: /* date types parameters */
570: char month[NO_DATETYPE][12][MONTH_LEN] = {
571: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
572: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
573: {"JAN\201", "FEB\201", "MAR\201", "APR\201", "MAY\201", "JUN\201", "JUL\201", "AUG\201", "SEP\201", "OCT\201", "NOV\201", "DEC\201"},
574: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
575: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
576: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
577: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
578: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"}
579: };
580: char dat1char[NO_DATETYPE][MONTH_LEN] = /* date 1st delimiter */
581: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
582: char dat2char[NO_DATETYPE][MONTH_LEN] = /* date 2nd delimmiter */
583: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
584: char dat3char[NO_DATETYPE] =
585: {'0', '0', '0', '0', '\201', '\201', '\201', '0'}; /* date day justify char */
586: char dat4flag[NO_DATETYPE] =
587: {2, 1, 0, 0, 0, 0, 0, 0}; /* 0=DMY, 1=MDY, 2=YMD */
588: char dat5flag[NO_DATETYPE] =
589: {0, 1, 1, 1, 1, 1, 0, 1}; /* suppress century digits */
590: long int datGRbeg[NO_DATETYPE] =
591: {578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L};
592:
593: /* first day of gregorian calendar 15-OCT-1582 ($H+672411) */
594: int datetype = 0; /* type for $zd special variable */
595:
596: char tim1char[NO_TIMETYPE] =
597: {':', ':'}; /* time 1st delimiter */
598: char tim2char[NO_TIMETYPE] =
599: {':', ':'}; /* time 2nd delimiter */
600: char tim3char[NO_TIMETYPE] =
601: {SP, SP}; /* time hour justify char */
602: char tim4flag[NO_TIMETYPE] =
603: {0, 1}; /* 0=24 Hrs 1=12 Hrs */
604: char tim5flag[NO_TIMETYPE] =
605: {0, 0}; /* suppress seconds */
606: int timetype = 0; /* type for $zt special variable */
607:
608: jmp_buf sjbuf;
609: char *roucu0;
610: char *dofram0;
611:
612: short forx = 0; /* FOR stack pointer */
613: char forvar[NESTLEVLS + 1][40], /* FOR variable */
614: forinc[NESTLEVLS + 1][40], /* FOR increment */
615: forpost[NESTLEVLS + 1][128], /* FOR postconditional */
616: forlim[NESTLEVLS + 1][40]; /* FOR limit value */
617: short fortyp[NESTLEVLS + 1]; /* 0 = forever 1 = single, */
618:
619: /* 2 = unlim.iter,3 = limit iter. */
620: /* 4 = "" +inc=1 5 = "" + inc=1 */
621: short fori[NESTLEVLS + 1]; /* if fortyp=5 length of forlimit */
622:
623: char *fvar; /* current forvar */
624: char *finc; /* current forinc */
625: char *fpost; /* current forpost */
626: char *flim; /* current forlim */
627: short ftyp; /* current fortyp */
628: short fi; /* current fori */
629: short forsw = FALSE; /* FOR switch */
630: short loadsw = TRUE; /* flag to avoid redundant loads */
631: short argless_forsw_quit = FALSE; /* QUIT from argumentless FOR */
632: short sigint_in_for = FALSE;
633: short direct_mode = TRUE; /* are we in direct mode? */
634:
635: short extr_types[NESTLEVLS + 1]; /* return types of extrinsic functions */
636: char destructors[MAX_DESTRUCTORS][OBJ_DSTRSIZE];
637: int destructor_ct;
638: char private_keys[MAX_PRIVATE_KEYS][255];
639:
640: /* after XECUTEs */
641: short promflag = TRUE; /* prompt execute flag */
642: short privflag = FALSE; /* extrinsic z-command flag */
643:
644:
645: char *cmdstack;
646: char *cmdptr;
647:
648: short offset;
649: long frm_timeout;
650: short timeoutms;
651: char tmp4[80] = "\201";
652: short param = 0; /* parameter count */
653: short paramx = 0; /* current parameter */
654: short level = 0; /* level count */
655: pid_t pid; /* $J = process ID */
656:
657: char nsname[256] = "USER\0"; /* namespace name */
658: char nsroot[4096]; /* root path of namespace */
659: char *freem_path; /* path to the running instance of FreeM */
660: char history_file[256]; /* path to the history file */
661: int n_lines;
662: int n_columns;
663:
664: short ipc_pending = 0; /* 1 if an incoming IPC is pending, 0 otherwise */
665:
666: int strict_mode = 0;
667:
668: int trace_mode = 0;
669: short debug_mode = FALSE;
670: int lasterr[NESTLEVLS + 1];
671:
672: short first_process = FALSE;
673: #if defined(__FreeBSD__)
674: size_t shm_init_size = 4194304;
675: #else
676: size_t shm_init_size = 16777216;
677: #endif
678: short inrpt_after_async = FALSE;
679:
680: void unnew (void)
681: {
682: char *xptr;
683: int i;
684: long j;
685: char tmp[256];
686:
687: #ifdef DEBUG_NEWPTR
688: int loop;
689: printf("Un-Newing: ");
690: printf("[nstx] nstx is %d\r\n",nstx);
691: printf("[nestnew] nestnew[nstx] is %d\r\n",nestnew[nstx]);
692: #endif
693:
694:
695: xptr = nestnew[nstx]; /* get position of newpointer */
696:
697: while (xptr < newptr) {
698: i = *--newptr;
699:
700: if (i != kill_all) {
701: j = UNSIGN (*--newptr);
702: newptr -= (j + 1);
703: stcpy0 (varnam, newptr, j + 1);
704:
705: if (i == set_sym) {
706: j = UNSIGN (*--newptr);
707: newptr -= (j + 1);
708: stcpy (tmp, newptr);
709: }
710: else {
711: tmp[0] = EOL;
712: }
713: }
714: else {
715: varnam[0] = EOL;
716: tmp[0] = EOL;
717: }
718:
719: if (varnam[0] == '$') {
720: if (varnam[1] == 't') test = tmp[0]; /* pop $TEST */
721: else if (varnam[1] == 'j') pid = UNSIGN (tmp[0]) * 256 + UNSIGN (tmp[1]); /* pop $job */
722: else if (varnam[1] == 'z' && varnam[2] == 'i') breakon = tmp[0]; /* pop $zinrpt */
723: else if (varnam[1] == 'e' && varnam[2] == 't') { /* pop $etrap */
724: stcpy (etrap, tmp);
725: }
726: else if (varnam[1] == 'e' && varnam[2] == 's') { /* pop $estack */
727: char esbuf[256];
728:
729: stcpy (esbuf, tmp);
730: stcnv_m2c (esbuf);
731:
732: estack = atoi (esbuf);
733: }
734: else { /* pop $reference/$zreference */
735: stcpy (zref, tmp);
736: nakoffs = UNSIGN (varnam[4]);
737: }
738:
739: continue;
740: }
741: symtab (i, varnam, tmp);
742: }
743:
744: newptr = nestnew[nstx];
745: nestnew[nstx] = 0; /* reset pointers */
746:
747: return;
748:
749: } /* end unnew() */
750:
751: void m_fatal(char *s)
752: {
753: int errno_sav;
754: errno_sav = errno;
755:
756: set_io (UNIX);
757:
758:
759: if (tp_level) {
760: /* TODO: make this FM_LOG_FATAL (logger will need to do a tp_trollback) */
761: logprintf (FM_LOG_ERROR, "freem: memory allocation failure in %s; rolling back %d transactions (error code %d [%s])", s, tp_level, errno_sav, strerror (errno_sav));
762: tp_trollback (tp_level);
763: }
764: else {
765: logprintf (FM_LOG_FATAL, "freem: memory allocation failure in %s (error code %d [%s])", s, errno_sav, strerror (errno_sav));
766: }
767:
768: exit (3);
769: }
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