1: /*
2: * $Id: frmgbl.c,v 1.18 2025/05/16 04:42:02 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 1.18 2025/05/16 04:42:02 snw
28: * Fix macOS port
29: *
30: * Revision 1.17 2025/05/05 04:46:35 snw
31: * Documentation fixes; make FreeM more standards compliant
32: *
33: * Revision 1.16 2025/04/30 17:19:16 snw
34: * Improve backtraces in debugger
35: *
36: * Revision 1.15 2025/04/30 14:41:03 snw
37: * Further debugger work
38: *
39: * Revision 1.14 2025/04/28 19:38:55 snw
40: * Add trace mode
41: *
42: * Revision 1.13 2025/04/17 14:34:27 snw
43: * Further logging improvements
44: *
45: * Revision 1.12 2025/04/16 17:36:12 snw
46: * Add FreeBSD shm cleanup script
47: *
48: * Revision 1.11 2025/04/13 04:22:43 snw
49: * Fix snprintf calls
50: *
51: * Revision 1.10 2025/04/10 01:24:38 snw
52: * Remove C++ style comments
53: *
54: * Revision 1.9 2025/04/03 01:41:02 snw
55: * New features frozen; prepare 0.63.0-rc1
56: *
57: * Revision 1.8 2025/04/02 03:02:42 snw
58: * Stop requiring users to pass -e to fmadm when -u or -g are passed
59: *
60: * Revision 1.7 2025/04/01 16:37:12 snw
61: * 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.
62: *
63: * Revision 1.6 2025/03/24 04:05:36 snw
64: * Replace crlf with frm_crlf to avoid symbol conflict with readline on OS/2
65: *
66: * Revision 1.5 2025/03/09 19:14:25 snw
67: * First phase of REUSE compliance and header reformat
68: *
69: *
70: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
71: * SPDX-License-Identifier: AGPL-3.0-or-later
72: **/
73:
74: /* needed if byte data are to be interpreted as unsigned integer */
75: #include <stdlib.h>
76: #include <setjmp.h>
77: #include <signal.h>
78: #include <stdio.h>
79: #include "mpsdef0.h"
80: #include <fcntl.h>
81: #include <unistd.h>
82: #include <string.h>
83: #include <sys/types.h>
84: #include <sys/wait.h>
85: #include <errno.h>
86: #include "transact.h"
87: #include "locktab.h"
88: #include "log.h"
89:
90: #ifdef LIBFREEM
91: # include "errmsg.h"
92: #endif
93:
94: #define UNSIGN(A) ((A)&0377)
95:
96: #define g_EOL 30
97: #define POINT 28
98: #define MINUS 26
99:
100: #define ROOT 0L
101: /* length of blocks. status bytes defined as offset to blocklength */
102: #define DATALIM (BLOCKLEN-11)
103: #define LLPTR (BLOCKLEN-10)
104: #define NRBLK LLPTR
105: #define RLPTR (BLOCKLEN- 6)
106: #define FREE RLPTR
107: #define BTYP (BLOCKLEN- 3)
108: #define OFFS (BLOCKLEN- 2)
109:
110: #define EMPTY 0
111: #define FBLK 1
112: #define POINTER 2
113: #define BOTTOM 6
114: #define DATA 8
115:
116: #define PROTECT 30
117:
118:
119: #ifndef SYSFIVE
120: #define FreeM_timezone -3600
121: #else
122:
123: #ifdef __CYGWIN__
124: #define FreeM_timezone _timezone
125: #else
126: long FreeM_timezone;
127: #endif /* __CYGWIN__ */
128:
129: #endif /* SYSFIVE */
130:
131: #if defined(__CYGWIN__)
132: # define FreeM_timezone _timezone
133: #endif
134:
135: /* mumps commands */
136: #define BREAK 'b'
137: #define CLOSE 'c'
138: #define DO 'd'
139: #define DO_BLOCK 2
140: #define ELSE 'e'
141: #define FOR 'f'
142: #define GOTO 'g'
143: #define HA 'h'
144: #define HALT '0'
145: #define HANG '1'
146: #define IF 'i'
147: #define JOB 'j'
148: #define KILL 'k'
149: #define LOCK 'l'
150: #define NEW 'n'
151: #define OPEN 'o'
152: #define QUIT 'q'
153: #define READ 'r'
154: #define SET 's'
155: #define USE 'u'
156: #define VIEW 'v'
157: #define WRITE 'w'
158: #define XECUTE 'x'
159: #define ZBREAK 'B'
160: #define ZGO 'G'
161: #define ZHALT 'H'
162: #define ZINSERT 'I'
163: #define ZJOB 'J'
164: #define ZLOAD 'L'
165: #define ZNEW 'N'
166: #define ZPRINT 'P'
167: #define ZQUIT 'Q'
168: #define ZREMOVE 'R'
169: #define ZSAVE 'S'
170: #define ZTRAP 'T'
171: #define ZWRITE 'W'
172: #define PRIVATE SP
173:
174: #if defined(HAVE_MWAPI_MOTIF)
175: # include <Xm/Xm.h>
176: XtAppContext mwapi_context;
177: #endif
178:
179: short run_daemon = FALSE;
180: short nofork = FALSE;
181: char *pid_file_path;
182: int pid_fd;
183:
184: /* USING and WITH */
185: char i_using[STRLEN] = {'\201'};
186: char i_with[STRLEN] = {'\201'};
187:
188: /* common definitions for all mumps modules */
189: /* same as external definition in include_file mpsdef */
190:
191: extern int errno; /* external error code for systemcalls */
192:
193: int m_argc; /* arguments count */
194: char **m_argv; /* arguments string */
195: char **m_envp; /* environment pointer */
196:
197: short frm_throw_all_errors = 1;
198:
199: /* glvn size parameters */
200: union four_fl {
201: long unsigned all;
202: char one[4];
203: } glvnflag; /* [0] unique name chars 0=no limit */
204:
205: /* [1] case sensitivity flag 0=sensitive */
206: /* [2] max. name+subscripts 0=no limit */
207: /* [3] max. length of a subscript 0=no limit */
208: int libflag = FALSE; /* running as library? */
209: int lonelyflag = FALSE; /* single user flag */
210: int lowerflag = TRUE; /* lowercase everywhere flag */
211: int killerflag = TRUE; /* SIGTERM handling flag */
212: int huperflag = TRUE; /* SIGHUP handling flag */
213: int s_fun_flag = TRUE; /* VIEW 70: ZSORT/ZSYNTAX flag */
214: int n_fun_flag = TRUE; /* VIEW 71: ZNEXT/ZNAME flag */
215: int p_fun_flag = TRUE; /* VIEW 72: ZPREVIOUS/ZPIECE flag */
216: int d_fun_flag = TRUE; /* VIEW 73: ZDATA/ZDATE flag */
217: int zjobflag = TRUE; /* VIEW 79: old ZJOB vs. new ZJOB flag */
218: int eightbit = TRUE; /* VIEW 80: 7 vs. 8 bit flag */
219: int PF1flag = FALSE; /* VIEW 81: PF1 flag */
220: int ordercounter = 0; /* VIEW 82: order counter */
221: int etxtflag = FALSE; /* VIEW 83: text in $ZE flag */
222: char lvndefault[256] = "\201"; /* VIEW 89: UNDEF lvn default */
223: char gvndefault[256] = "\201"; /* VIEW 90: UNDEF gvn default */
224: char exfdefault[256] = "\201"; /* VIEW 91: missing QUIT expr default */
225: int typemmflag = FALSE; /* VIEW 92: EUR2DEM: type mismatch error */
226: int namespace = 0; /* VIEW 200: namespace index */
227: int config = 0; /* VIEW 201: configuration index */
228: char WHR[12][4] = { /* names of currencies */
229: "\201",
230: "EUR\201",
231: "ATS\201",
232: "BFR\201",
233: "DEM\201",
234: "ESP\201",
235: "FMK\201",
236: "FRF\201",
237: "IEP\201",
238: "ITL\201",
239: "NLG\201",
240: "PTE\201"
241: };
242:
243: char EUR2WHR[12][9] = { /* conversion factors EUR to ... */
244: "\201", /* dont care */
245: "1\201", /* to EUR */
246: "13.7603\201", /* to ATS */
247: "40.3399\201", /* to BFR */
248: "1.95583\201", /* to DEM (DM) */
249: "166.386\201", /* to ESP */
250: "5.94573\201", /* to FMK */
251: "6.55957\201", /* to FRF (FF) */
252: ".787564\201", /* to IEP */
253: "1936.27\201", /* to ITL */
254: "2.20371\201", /* to NLG */
255: "200.482\201" /* to PTE */
256: };
257:
258: long v93 = 1; /* VIEW 93: ASCII rule default */
259: char v93a[NO_V93][2560] = {
260: /* ASCII */
261: " :, :!,A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201",
262: /* B - BELGIAN */
263: " :, :!,@:a,\\:c,{:e,}:e,\
264: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201,\200:e",
265: /* D - GERMAN */
266: " \001\002 \001\002!\001\002\042\001\002#\001\002$\001\002%\001\002&\001\002\
267: '\001\002(\001\002)\001\002*\001\002+\001\002,\001\002-\001\002.\001\002\
268: /\001\002:\001\002;\001\002<\001\002=\001\002>\001\002?\001\002@\001\002\
269: ^\001\002_\001\002`\001\002A\001a\002B\001b\002C\001c\002D\001d\002E\001e\002\
270: F\001f\002G\001g\002H\001h\002I\001i\002J\001j\002K\001k\002L\001l\002\
271: M\001m\002N\001n\002O\001o\002P\001p\002Q\001q\002R\001r\002S\001s\002\
272: T\001t\002U\001u\002V\001v\002W\001w\002X\001x\002Y\001y\002Z\001z\002\
273: {\001ae\002[\001ae\002|\001oe\002\134\001oe\002}\001ue\002]\001ue\002\
274: ~\001ss\002\200\001e\002\201",
275: /* DK - DANISH */
276: " :, :!,{:ae,|:oe,}:au,~:ue,\
277: 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,\
278: [:ae,\\:oe,]:ao,^:ue,\200:e\201",
279: /* E - SPANISH */
280: " :, :!,|:n,}:c,ll:l,\
281: 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,\
282: \\:n,LL:l\201",
283: /* F - FRENCH */
284: " :, :!,\\:c,{:e,|:u,}:e,\
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,\200:e,\201",
286: /* I - ITALIAN */
287: " :, :!,\\:c,]:e,`:u,{:a,|:o,}:e,~:i,\
288: 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",
289: /* S - SWEDISH */
290: " :, :!,`:e,{:ae,|:oe,}:ao,~:ue,\
291: 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,\
292: @:e,[:ae,\\:oe,]:ao,~:ue,\200:e,\201"
293: };
294:
295:
296: char glo_prefix[MONTH_LEN] = "^\201"; /* VIEW 96: global prefix */
297: char glo_ext[MONTH_LEN] = "\201"; /* VIEW 97: global postfix */
298: char rou_ext[MONTH_LEN] = ".m\201"; /* VIEW 98: routine extention */
299: long tzoffset = 0L; /* VIEW 99: timer offset */
300: int v100 = 0; /* VIEW 100: return value of kill */
301: char l_o_val[256] = "\201"; /* VIEW 110: local $o/$q data value */
302: char g_o_val[256] = "\201"; /* VIEW 111: global $o/$q data value */
303: int zsavestrategy = TRUE; /* VIEW 133: remember ZLOAD directory on ZSAVE */
304:
305: /* vars for screen save/restore */
306: struct vtstyp *screen = NULL; /* active screen */
307: short jour_flag = 0; /* journal flag 0/1/-1 */
308:
309: /* trace vars for global module */
310: unsigned long traceblk[TRLIM]; /* trace stack - block numbers */
311: short traceadr[TRLIM]; /* - status */
312: short trx; /* - stack pointer */
313: char compactkey[256]; /* internal form of key in global.c */
314:
315: short mcmnd; /* mumps command letter */
316: short arg; /* stack pointer for expr.c */
317: char *argstck[PARDEPTH + 1]; /* stack of pointers to */
318:
319: /* intermediate results */
320:
321: long ordercnt = 0L; /* repeater for $order/$query */
322: short setpiece = FALSE; /* TRUE: set$piece executing */
323: short setop = 0; /* SET op flag */
324: char rou_name[256] =
325: {EOL}; /* $T(+0)/$ZN routine name */
326: char *namstck; /* routine name stack */
327: char *namptr; /* routine name stack pointer */
328: char *framstck; /* DO_frame stack */
329: char *dofrmptr; /* DO_frame stack pointer */
330: char zb[40] = "\201"; /* $ZB last ESC_sequence */
331: char zerror[300] = "\201"; /* $ZE last error */
332: short DSM2err = FALSE; /* enable normal error processing */
333: short nesterr = 0; /* nesterr and callerr contain info */
334: char callerr[NESTLEVLS + 1][40]; /* about call situation at error */
335:
336: char stack0[256] = "\201";
337:
338: char zmc[128] = "\
339: \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\
340: \020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\177\201";
341:
342: /* $ZMC loadable match 'controls' */
343: char zmn[128] = "0123456789\201"; /* $ZMN loadable match 'numerics' */
344:
345: /* $ZMP loadable match 'punctuation' */
346: char zmp[128] = " !\042#$%&'()*+,-./:;<=>?@^_`\201";
347:
348: /* $ZML loadable match 'lowercase' */
349: char zml[128] = "abcdefghijklmnopqrstuvwxyz{|}~\201";
350:
351: /* $ZMU loadable match 'uppercase' */
352: char zmu[128] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]\201";
353:
354: short zerr = OK; /* $ZE numeric error code */
355: char zloc[256] = "\201"; /* $ZL last local reference */
356: char zref[256] = "\201"; /* $ZR last global reference */
357: short nakoffs = 0; /* offset to naked reference */
358: char zfunkey[44][FUNLEN]; /* $ZF function key */
359:
360: typedef struct frm_devstat {
361: short mdc_err;
362: short frm_err;
363: char err_txt[80];
364: } frm_devstat;
365:
366: frm_devstat devstat[MAXDEV + 1]; /* channel statuses for $DEVICE */
367:
368: short xpos[MAXDEV + 1]; /* $X-vector */
369: short ypos[MAXDEV + 1]; /* $Y-vector */
370: short frm_crlf[MAXDEV + 1]; /* CR/LF flag vector */
371: short fm_nodelay[MAXDEV + 1]; /* nodelay flag vector */
372:
373: int ESCflag[MAXDEV + 1] =
374: {0, 0, 0, 0, 0}; /* ESC flag */
375:
376: short RightMargin = 0; /* Output Margin. Default no */
377:
378: /* automatic CR/LF */
379: short InFieldLen = 255; /* Input Field length Def: 255 char */
380: long DSW = BIT2 + BIT21; /* Device Status word (Terminal) */
381: char LineTerm[32] = "\012\015\201"; /* Input Line Terminator chars */
382: char BrkKey = 3; /* <INTERRUPT> key Def: CTRL/C */
383: char ug_buf[MAXDEV + 1][256]; /* ungetc-buffers */
384: char devopen[MAXDEV + 1] =
385: {0, 0, 0, 0, 0}; /* 0 not open */
386:
387: /* 'r' input */
388: /* 'w' or 'a' output */
389:
390: /* names of IO devices */
391: char dev[MAXDEV + 1][40] = {
392: " ", /* HOME */
393: "/usr/tmp/mout.1/a\201", /* dev 1 */
394: "/usr/tmp/mout.2/a\201", /* dev 2 */
395: "/usr/tmp/mout.3/a\201", /* dev 3 */
396: "/usr/tmp/mout.4/a\201" /* dev 4 */
397: };
398:
399: char G0I[MAXDEV + 1][257]; /* G0 input translation table */
400: char G0O[MAXDEV + 1][257]; /* G0 output translation table */
401: char G1I[MAXDEV + 1][257]; /* G1 input translation table */
402: char G1O[MAXDEV + 1][257]; /* G1 output translation table */
403:
404: FILE *opnfile[MAXDEV + 1];
405: char act_oucpath[MAXDEV + 1][40] = {"\201", "\201", "\201", "\201", "\201"};
406: char sq_modes[MAXDEV + 1];
407:
408: short olddes[NO_GLOBLS]; /* filedescr of open global files */
409: char oldfil[NO_GLOBLS][1024]; /* names of open global files */
410: long g_ages[NO_GLOBLS]; /* last access of global files */
411: short usage[NO_GLOBLS]; /* usage count of global files */
412: short inuse = 0; /* file in use */
413:
414: int lio_mode = -1;
415: short io = HOME; /* $IO */
416: short test = FALSE; /* $TEST */
417: short pattrnflag = FALSE; /* incomplete match flag */
418: char pattrnchar = EOL; /* incomplete match flag supplement */
419: int zsystem = 0; /* $ZSYSTEM return status of UNIX call */
420: short zcc = FALSE; /* $ZC (ControlC-Flag) */
421:
422: char *rouptr; /* pointer to begin of routine */
423: char *roucur; /* cursor into routine */
424: char *rouend; /* pointer to end of pgm */
425: char *rouins; /* pointer for direct mode insert */
426: short breakon = ENABLE; /* BREAK enable/disable-flag */
427: short zbreakon = DISABLE; /* ZBREAK enable/disable-flag */
428: short zbflag = FALSE; /* 'ZBREAK from terminal'-flag */
429: short zprecise = 100; /* $ZPRECISION of arithmetic */
430: char fp_conversion[10]; /* sprintf conversion constant for ieee754 support */
431: long nrandom; /* random number seed */
432: long ran_a = 24298L; /* random number parameter a */
433: long ran_b = 99991L; /* random number parameter b */
434: long ran_c = 199017L; /* random number parameter c */
435:
436: short usermode = 1; /* 0=user mode 1=programmer mode */
437: int restricted_mode = FALSE; /* TRUE=restricted FALSE=unrestricted */
438: short demomode = FALSE; /* 0=no demo 1=demo mode */
439: int d0char = DEL; /* demomode ouput character */
440: int d1char = CAN; /* demomode '!' character */
441: short cset = FALSE; /* 0=mumps set 1='C' set flag */
442:
443: /* startup flags */
444: int hardcopy = DISABLE; /* hardcopy flag */
445: int frm_filter = FALSE; /* filter flag */
446: int noclear = FALSE; /* noclear flag */
447: int standard = D_FREEM; /* default dialect */
448: int quiet_mode = FALSE; /* quiet mode */
449: char config_file[4096]; /* path to configuration file */
450: char env_config_file[4096]; /* path to environment config file */
451: char env_user[255];
452: char env_group[255];
453: char env_enabled[10];
454: char shm_env[255]; /* shared memory environment */
455:
456: short fp_mode = 0; /* set to 0 for fixed-point math, 1 for IEEE754 floating point */
457: short en_revstrf = 1; /* enable reverse forms of string intrinsics */
458:
459: short ierr; /* immediate error status */
460: short deferred_ierr; /* deferred error status (after returning from a private routine) */
461: char err_suppl[255]; /* supplemental information about an error */
462:
463: long PSIZE = DEFPSIZE; /* size of 'partition' */
464: char *mbpartition; /* memory-backed globals partition */
465: short writing_mb = FALSE;
466: char *partition; /* partition (symbol table) */
467: long symlen = DEFPSIZE; /* 'lower' bound of symbol table */
468: unsigned long alphptr[128] = /* pointers into symbol table */
469: {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,
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: char *apartition; /* alternate partition */
474: long asymlen = DEFPSIZE; /* 'lower' bound of symbol table */
475: unsigned long aalphptr[128] = /* pointers into symbol table */
476: {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,
477: 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,
478: 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,
479: 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};
480:
481: short autopsize = TRUE; /* automatic increase of PSIZE */
482: long svnlen = DEFUDFSVSIZ; /* 'lower' bound of udf_svn_tab */
483: long UDFSVSIZ = DEFUDFSVSIZ; /* size of userdef special var tab. */
484: char *svntable; /* udf special variable table */
485: unsigned long svnaptr[128] = /* pointers into udf_svn_tab */
486: {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,
487: 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,
488: 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,
489: 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};
490:
491: short autousize = TRUE; /* automatic increase of UDFSVSIZ */
492: long NO_OF_RBUF = DEFNO_OF_RBUF; /* number of routine buffers */
493: long PSIZE0 = DEFPSIZE0; /* size of routine buffers */
494: short autorsize = TRUE; /* automatic increase of PSIZE0 */
495: short aliases = 0; /* aliases pointer */
496: char ali[2000]; /* aliases table */
497: long v22ptr = 0L; /* view 22 aliases pointer */
498: char *v22ali; /* view 22 aliases field */
499: long v22size = 0L; /* current size of aliases field */
500:
501:
502: long NSIZE = DEFNSIZE; /* size of newstack */
503: char *newstack; /* stack for NEWed variables */
504: char *newptr; /* pointer to NEW stack */
505: char *newlimit; /* pointer to NEW stack end */
506:
507: short nstx = 0; /* nest stack: */
508: short nestc[NESTLEVLS + 1]; /* - command (DO...) */
509: char *nestp[NESTLEVLS + 1]; /* - cmdptr */
510: char *nestn[NESTLEVLS + 1]; /* - namptr */
511: long nestr[NESTLEVLS + 1]; /* - roucur */
512: char *nestnew[NESTLEVLS + 1]; /* - newptr */
513: short neste[NESTLEVLS + 1]; /* - was this frame entered as the result of an error? */
514: short nestlt[NESTLEVLS + 1]; /* stack $T / stack levelcount */
515: short brkstk[NESTLEVLS + 1]; /* stack for BREAK information */
516:
517: char ztrap[NESTLEVLS + 2][ZTLEN]; /* $ZTRAP to be xecuted on error */
518:
519:
520: char *s; /* pointer to symlen_offset */
521: char *argptr; /* pointer to beg of tmp-storage */
522:
523: char code[512] =
524: {EOL, EOL}; /* currently interpreted code */
525: char *codptr = code; /* pointer within code[] */
526:
527: char dosave[20]; /* in a FOR range save DO label */
528: char *xdosave;
529:
530: int errfunlvl = 0; /* avoid wrong error message in $$FUN */
531: short repQUIT = 0; /* QUIT repeater */
532:
533: char varnam[256]; /* variable/array/function name */
534: char varerr[256] =
535: {EOL}; /* reference in error message */
536: char *buff; /* routine buffer pool */
537: char pgms[MAXNO_OF_RBUF][40]; /* names of alt.pgms */
538: long ages[MAXNO_OF_RBUF]; /* last call to this pgm */
539: char *ends[MAXNO_OF_RBUF]; /* saved rouend-pointer */
540: char path[MAXNO_OF_RBUF][256]; /* directory where routine was loaded */
541: rtn_flags rbuf_flags[MAXNO_OF_RBUF]; /* per-routine flags */
542:
543: char glopath[PATHLEN]; /* path to access globals */
544: char rou0path[PATHLEN]; /* routine access with DO,GOTO,JOB */
545: char rou1path[PATHLEN]; /* routine access with ZL,ZS */
546: char gloplib[PATHLEN]; /* path to access %globals */
547:
548: char gbl_u_engine[255]; /* user global engine */
549: char gbl_s_engine[255]; /* system global engine */
550: char loc_engine[255]; /* local engine */
551:
552: unsigned long int bdb_flush_threshold;
553:
554: char rou0plib[PATHLEN]; /* %routine path (DO..) */
555: char rou1plib[PATHLEN]; /* %routine path (ZL..) */
556: char oucpath[PATHLEN] = "\201"; /* OPEN/USE/CLOSE path */
557: char zargdefname[PATHLEN]= "%\201"; /* default varname for Z-commands */
558: FILE *jouraccess; /* dto. filedes */
559: char curdir[256] = "."; /* current directory */
560:
561: char startuprou[PATHLEN] = "\201"; /* start up routine from cmdline*/
562:
563: char zcommds[256] =
564: " za zb zc zd zg zh zi zj zl zm zn zp zq zr zs zth ztr zwa zwi zwr zassert zbreak \
565: zconst zgo zhalt zinsert zjob zload zmap znamespace zprint zquit zremove zsave zthrow ztrap zunmap zwatch zwith zwrite \201"; /* intrinsic z-commands */
566: char zfunctions[256] = /* intrinsic z-functions */
567: " zb zc zd ze zh zht zk zl zm zn zo zp zr zs zt zboolean zcall zcr zcrc zdata zdate zedit zhorolog \
568: zkey zlength zlsd zname znext zorder zpiece zprevious zreplace zsyntax zsort ztime \201";
569: char zsvn[256] = /* intrinsic z-special variables */
570: " za zb zc zd ze zf zh zi zj zl zmc zmn zmp zma zml zmu zme zn zo zp zs zt zu zv \
571: zcontrolc zdate zerror zname zhorolog zinrpt zjob zlocal zorder zprecision zsystem ztime ztr ztrap zuuid zut zversion \201";
572: char brkaction[256] = "\201"; /* action in case of BREAK */
573: pid_t father = 0; /* JOB-ID of father process */
574: char jour_hostid[256];
575: /* date types parameters */
576: char month[NO_DATETYPE][12][MONTH_LEN] = {
577: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\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: {"JAN\201", "FEB\201", "MAR\201", "APR\201", "MAY\201", "JUN\201", "JUL\201", "AUG\201", "SEP\201", "OCT\201", "NOV\201", "DEC\201"},
580: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
581: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
582: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
583: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
584: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"}
585: };
586: char dat1char[NO_DATETYPE][MONTH_LEN] = /* date 1st delimiter */
587: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
588: char dat2char[NO_DATETYPE][MONTH_LEN] = /* date 2nd delimmiter */
589: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
590: char dat3char[NO_DATETYPE] =
591: {'0', '0', '0', '0', '\201', '\201', '\201', '0'}; /* date day justify char */
592: char dat4flag[NO_DATETYPE] =
593: {2, 1, 0, 0, 0, 0, 0, 0}; /* 0=DMY, 1=MDY, 2=YMD */
594: char dat5flag[NO_DATETYPE] =
595: {0, 1, 1, 1, 1, 1, 0, 1}; /* suppress century digits */
596: long int datGRbeg[NO_DATETYPE] =
597: {578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L};
598:
599: /* first day of gregorian calendar 15-OCT-1582 ($H+672411) */
600: int datetype = 0; /* type for $zd special variable */
601:
602: char tim1char[NO_TIMETYPE] =
603: {':', ':'}; /* time 1st delimiter */
604: char tim2char[NO_TIMETYPE] =
605: {':', ':'}; /* time 2nd delimiter */
606: char tim3char[NO_TIMETYPE] =
607: {SP, SP}; /* time hour justify char */
608: char tim4flag[NO_TIMETYPE] =
609: {0, 1}; /* 0=24 Hrs 1=12 Hrs */
610: char tim5flag[NO_TIMETYPE] =
611: {0, 0}; /* suppress seconds */
612: int timetype = 0; /* type for $zt special variable */
613:
614: jmp_buf sjbuf;
615: char *roucu0;
616: char *dofram0;
617:
618: short forx = 0; /* FOR stack pointer */
619: char forvar[NESTLEVLS + 1][40], /* FOR variable */
620: forinc[NESTLEVLS + 1][40], /* FOR increment */
621: forpost[NESTLEVLS + 1][128], /* FOR postconditional */
622: forlim[NESTLEVLS + 1][40]; /* FOR limit value */
623: short fortyp[NESTLEVLS + 1]; /* 0 = forever 1 = single, */
624:
625: /* 2 = unlim.iter,3 = limit iter. */
626: /* 4 = "" +inc=1 5 = "" + inc=1 */
627: short fori[NESTLEVLS + 1]; /* if fortyp=5 length of forlimit */
628:
629: char *fvar; /* current forvar */
630: char *finc; /* current forinc */
631: char *fpost; /* current forpost */
632: char *flim; /* current forlim */
633: short ftyp; /* current fortyp */
634: short fi; /* current fori */
635: short forsw = FALSE; /* FOR switch */
636: short loadsw = TRUE; /* flag to avoid redundant loads */
637: short argless_forsw_quit = FALSE; /* QUIT from argumentless FOR */
638: short sigint_in_for = FALSE;
639: short direct_mode = TRUE; /* are we in direct mode? */
640:
641: short extr_types[NESTLEVLS + 1]; /* return types of extrinsic functions */
642: char destructors[MAX_DESTRUCTORS][OBJ_DSTRSIZE];
643: int destructor_ct;
644: char private_keys[MAX_PRIVATE_KEYS][255];
645:
646: /* after XECUTEs */
647: short promflag = TRUE; /* prompt execute flag */
648: short privflag = FALSE; /* extrinsic z-command flag */
649:
650:
651: char *cmdstack;
652: char *cmdptr;
653:
654: short offset;
655: long frm_timeout;
656: short timeoutms;
657: char tmp4[80] = "\201";
658: short param = 0; /* parameter count */
659: short paramx = 0; /* current parameter */
660: short level = 0; /* level count */
661: pid_t pid; /* $J = process ID */
662:
663: char nsname[256] = "USER\0"; /* namespace name */
664: char nsroot[4096]; /* root path of namespace */
665: char *freem_path; /* path to the running instance of FreeM */
666: char history_file[256]; /* path to the history file */
667: int n_lines;
668: int n_columns;
669:
670: short ipc_pending = 0; /* 1 if an incoming IPC is pending, 0 otherwise */
671:
672: int strict_mode = 0;
673:
674: int trace_mode = 0;
675: short debug_mode = FALSE;
676: int lasterr[NESTLEVLS + 1];
677:
678: short first_process = FALSE;
679: #if defined(__FreeBSD__)
680: size_t shm_init_size = 4194304;
681: #else
682: # if !defined(__APPLE__)
683: size_t shm_init_size = 16777216;
684: # else
685: size_t shm_init_size = 2048576;
686: #endif
687: #endif
688: short inrpt_after_async = FALSE;
689:
690: void unnew (void)
691: {
692: char *xptr;
693: int i;
694: long j;
695: char tmp[256];
696:
697: #ifdef DEBUG_NEWPTR
698: int loop;
699: printf("Un-Newing: ");
700: printf("[nstx] nstx is %d\r\n",nstx);
701: printf("[nestnew] nestnew[nstx] is %d\r\n",nestnew[nstx]);
702: #endif
703:
704:
705: xptr = nestnew[nstx]; /* get position of newpointer */
706:
707: while (xptr < newptr) {
708: i = *--newptr;
709:
710: if (i != kill_all) {
711: j = UNSIGN (*--newptr);
712: newptr -= (j + 1);
713: stcpy0 (varnam, newptr, j + 1);
714:
715: if (i == set_sym) {
716: j = UNSIGN (*--newptr);
717: newptr -= (j + 1);
718: stcpy (tmp, newptr);
719: }
720: else {
721: tmp[0] = EOL;
722: }
723: }
724: else {
725: varnam[0] = EOL;
726: tmp[0] = EOL;
727: }
728:
729: if (varnam[0] == '$') {
730: if (varnam[1] == 't') test = tmp[0]; /* pop $TEST */
731: else if (varnam[1] == 'j') pid = UNSIGN (tmp[0]) * 256 + UNSIGN (tmp[1]); /* pop $job */
732: else if (varnam[1] == 'z' && varnam[2] == 'i') breakon = tmp[0]; /* pop $zinrpt */
733: else if (varnam[1] == 'e' && varnam[2] == 't') { /* pop $etrap */
734: stcpy (etrap, tmp);
735: }
736: else if (varnam[1] == 'e' && varnam[2] == 's') { /* pop $estack */
737: char esbuf[256];
738:
739: stcpy (esbuf, tmp);
740: stcnv_m2c (esbuf);
741:
742: estack = atoi (esbuf);
743: }
744: else { /* pop $reference/$zreference */
745: stcpy (zref, tmp);
746: nakoffs = UNSIGN (varnam[4]);
747: }
748:
749: continue;
750: }
751: symtab (i, varnam, tmp);
752: }
753:
754: newptr = nestnew[nstx];
755: nestnew[nstx] = 0; /* reset pointers */
756:
757: return;
758:
759: } /* end unnew() */
760:
761: void m_fatal(char *s)
762: {
763: int errno_sav;
764: errno_sav = errno;
765:
766: set_io (UNIX);
767:
768:
769: if (tp_level) {
770: /* TODO: make this FM_LOG_FATAL (logger will need to do a tp_trollback) */
771: 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));
772: tp_trollback (tp_level);
773: }
774: else {
775: logprintf (FM_LOG_FATAL, "freem: memory allocation failure in %s (error code %d [%s])", s, errno_sav, strerror (errno_sav));
776: }
777:
778: exit (3);
779: }
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