1: /*
2: * $Id: frmgbl.c,v 1.21 2025/05/19 21:29:29 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 1.21 2025/05/19 21:29:29 snw
28: * Add basic tab completion to direct mode
29: *
30: * Revision 1.20 2025/05/18 18:15:38 snw
31: * Add ZEDIT command for editing routines
32: *
33: * Revision 1.19 2025/05/16 13:22:58 snw
34: * Bump version to account for shared memory changes
35: *
36: * Revision 1.18 2025/05/16 04:42:02 snw
37: * Fix macOS port
38: *
39: * Revision 1.17 2025/05/05 04:46:35 snw
40: * Documentation fixes; make FreeM more standards compliant
41: *
42: * Revision 1.16 2025/04/30 17:19:16 snw
43: * Improve backtraces in debugger
44: *
45: * Revision 1.15 2025/04/30 14:41:03 snw
46: * Further debugger work
47: *
48: * Revision 1.14 2025/04/28 19:38:55 snw
49: * Add trace mode
50: *
51: * Revision 1.13 2025/04/17 14:34:27 snw
52: * Further logging improvements
53: *
54: * Revision 1.12 2025/04/16 17:36:12 snw
55: * Add FreeBSD shm cleanup script
56: *
57: * Revision 1.11 2025/04/13 04:22:43 snw
58: * Fix snprintf calls
59: *
60: * Revision 1.10 2025/04/10 01:24:38 snw
61: * Remove C++ style comments
62: *
63: * Revision 1.9 2025/04/03 01:41:02 snw
64: * New features frozen; prepare 0.63.0-rc1
65: *
66: * Revision 1.8 2025/04/02 03:02:42 snw
67: * Stop requiring users to pass -e to fmadm when -u or -g are passed
68: *
69: * Revision 1.7 2025/04/01 16:37:12 snw
70: * 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.
71: *
72: * Revision 1.6 2025/03/24 04:05:36 snw
73: * Replace crlf with frm_crlf to avoid symbol conflict with readline on OS/2
74: *
75: * Revision 1.5 2025/03/09 19:14:25 snw
76: * First phase of REUSE compliance and header reformat
77: *
78: *
79: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
80: * SPDX-License-Identifier: AGPL-3.0-or-later
81: **/
82:
83: /* needed if byte data are to be interpreted as unsigned integer */
84: #include <stdlib.h>
85: #include <setjmp.h>
86: #include <signal.h>
87: #include <stdio.h>
88: #include "mpsdef0.h"
89: #include <fcntl.h>
90: #include <unistd.h>
91: #include <string.h>
92: #include <sys/types.h>
93: #include <sys/wait.h>
94: #include <errno.h>
95: #include "transact.h"
96: #include "locktab.h"
97: #include "log.h"
98:
99: #ifdef LIBFREEM
100: # include "errmsg.h"
101: #endif
102:
103: #define UNSIGN(A) ((A)&0377)
104:
105: #define g_EOL 30
106: #define POINT 28
107: #define MINUS 26
108:
109: #define ROOT 0L
110: /* length of blocks. status bytes defined as offset to blocklength */
111: #define DATALIM (BLOCKLEN-11)
112: #define LLPTR (BLOCKLEN-10)
113: #define NRBLK LLPTR
114: #define RLPTR (BLOCKLEN- 6)
115: #define FREE RLPTR
116: #define BTYP (BLOCKLEN- 3)
117: #define OFFS (BLOCKLEN- 2)
118:
119: #define EMPTY 0
120: #define FBLK 1
121: #define POINTER 2
122: #define BOTTOM 6
123: #define DATA 8
124:
125: #define PROTECT 30
126:
127:
128: #ifndef SYSFIVE
129: #define FreeM_timezone -3600
130: #else
131:
132: #ifdef __CYGWIN__
133: #define FreeM_timezone _timezone
134: #else
135: long FreeM_timezone;
136: #endif /* __CYGWIN__ */
137:
138: #endif /* SYSFIVE */
139:
140: #if defined(__CYGWIN__)
141: # define FreeM_timezone _timezone
142: #endif
143:
144: /* mumps commands */
145: #define BREAK 'b'
146: #define CLOSE 'c'
147: #define DO 'd'
148: #define DO_BLOCK 2
149: #define ELSE 'e'
150: #define FOR 'f'
151: #define GOTO 'g'
152: #define HA 'h'
153: #define HALT '0'
154: #define HANG '1'
155: #define IF 'i'
156: #define JOB 'j'
157: #define KILL 'k'
158: #define LOCK 'l'
159: #define NEW 'n'
160: #define OPEN 'o'
161: #define QUIT 'q'
162: #define READ 'r'
163: #define SET 's'
164: #define USE 'u'
165: #define VIEW 'v'
166: #define WRITE 'w'
167: #define XECUTE 'x'
168: #define ZBREAK 'B'
169: #define ZGO 'G'
170: #define ZHALT 'H'
171: #define ZINSERT 'I'
172: #define ZJOB 'J'
173: #define ZLOAD 'L'
174: #define ZNEW 'N'
175: #define ZPRINT 'P'
176: #define ZQUIT 'Q'
177: #define ZREMOVE 'R'
178: #define ZSAVE 'S'
179: #define ZTRAP 'T'
180: #define ZWRITE 'W'
181: #define PRIVATE SP
182:
183: #if defined(HAVE_MWAPI_MOTIF)
184: # include <Xm/Xm.h>
185: XtAppContext mwapi_context;
186: #endif
187:
188: short run_daemon = FALSE;
189: short nofork = FALSE;
190: char *pid_file_path;
191: int pid_fd;
192:
193: /* USING and WITH */
194: char i_using[STRLEN] = {'\201'};
195: char i_with[STRLEN] = {'\201'};
196:
197: /* common definitions for all mumps modules */
198: /* same as external definition in include_file mpsdef */
199:
200: extern int errno; /* external error code for systemcalls */
201:
202: int m_argc; /* arguments count */
203: char **m_argv; /* arguments string */
204: char **m_envp; /* environment pointer */
205:
206: short frm_throw_all_errors = 1;
207:
208: /* glvn size parameters */
209: union four_fl {
210: long unsigned all;
211: char one[4];
212: } glvnflag; /* [0] unique name chars 0=no limit */
213:
214: /* [1] case sensitivity flag 0=sensitive */
215: /* [2] max. name+subscripts 0=no limit */
216: /* [3] max. length of a subscript 0=no limit */
217: int libflag = FALSE; /* running as library? */
218: int lonelyflag = FALSE; /* single user flag */
219: int lowerflag = TRUE; /* lowercase everywhere flag */
220: int killerflag = TRUE; /* SIGTERM handling flag */
221: int huperflag = TRUE; /* SIGHUP handling flag */
222: int s_fun_flag = TRUE; /* VIEW 70: ZSORT/ZSYNTAX flag */
223: int n_fun_flag = TRUE; /* VIEW 71: ZNEXT/ZNAME flag */
224: int p_fun_flag = TRUE; /* VIEW 72: ZPREVIOUS/ZPIECE flag */
225: int d_fun_flag = TRUE; /* VIEW 73: ZDATA/ZDATE flag */
226: int zjobflag = TRUE; /* VIEW 79: old ZJOB vs. new ZJOB flag */
227: int eightbit = TRUE; /* VIEW 80: 7 vs. 8 bit flag */
228: int PF1flag = FALSE; /* VIEW 81: PF1 flag */
229: int ordercounter = 0; /* VIEW 82: order counter */
230: int etxtflag = FALSE; /* VIEW 83: text in $ZE flag */
231: char lvndefault[256] = "\201"; /* VIEW 89: UNDEF lvn default */
232: char gvndefault[256] = "\201"; /* VIEW 90: UNDEF gvn default */
233: char exfdefault[256] = "\201"; /* VIEW 91: missing QUIT expr default */
234: int typemmflag = FALSE; /* VIEW 92: EUR2DEM: type mismatch error */
235: int namespace = 0; /* VIEW 200: namespace index */
236: int config = 0; /* VIEW 201: configuration index */
237: char WHR[12][4] = { /* names of currencies */
238: "\201",
239: "EUR\201",
240: "ATS\201",
241: "BFR\201",
242: "DEM\201",
243: "ESP\201",
244: "FMK\201",
245: "FRF\201",
246: "IEP\201",
247: "ITL\201",
248: "NLG\201",
249: "PTE\201"
250: };
251:
252: char EUR2WHR[12][9] = { /* conversion factors EUR to ... */
253: "\201", /* dont care */
254: "1\201", /* to EUR */
255: "13.7603\201", /* to ATS */
256: "40.3399\201", /* to BFR */
257: "1.95583\201", /* to DEM (DM) */
258: "166.386\201", /* to ESP */
259: "5.94573\201", /* to FMK */
260: "6.55957\201", /* to FRF (FF) */
261: ".787564\201", /* to IEP */
262: "1936.27\201", /* to ITL */
263: "2.20371\201", /* to NLG */
264: "200.482\201" /* to PTE */
265: };
266:
267: long v93 = 1; /* VIEW 93: ASCII rule default */
268: char v93a[NO_V93][2560] = {
269: /* ASCII */
270: " :, :!,A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201",
271: /* B - BELGIAN */
272: " :, :!,@:a,\\:c,{:e,}:e,\
273: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201,\200:e",
274: /* D - GERMAN */
275: " \001\002 \001\002!\001\002\042\001\002#\001\002$\001\002%\001\002&\001\002\
276: '\001\002(\001\002)\001\002*\001\002+\001\002,\001\002-\001\002.\001\002\
277: /\001\002:\001\002;\001\002<\001\002=\001\002>\001\002?\001\002@\001\002\
278: ^\001\002_\001\002`\001\002A\001a\002B\001b\002C\001c\002D\001d\002E\001e\002\
279: F\001f\002G\001g\002H\001h\002I\001i\002J\001j\002K\001k\002L\001l\002\
280: M\001m\002N\001n\002O\001o\002P\001p\002Q\001q\002R\001r\002S\001s\002\
281: T\001t\002U\001u\002V\001v\002W\001w\002X\001x\002Y\001y\002Z\001z\002\
282: {\001ae\002[\001ae\002|\001oe\002\134\001oe\002}\001ue\002]\001ue\002\
283: ~\001ss\002\200\001e\002\201",
284: /* DK - DANISH */
285: " :, :!,{:ae,|:oe,}:au,~:ue,\
286: 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,\
287: [:ae,\\:oe,]:ao,^:ue,\200:e\201",
288: /* E - SPANISH */
289: " :, :!,|:n,}:c,ll:l,\
290: 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,\
291: \\:n,LL:l\201",
292: /* F - FRENCH */
293: " :, :!,\\:c,{:e,|:u,}:e,\
294: 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",
295: /* I - ITALIAN */
296: " :, :!,\\:c,]:e,`:u,{:a,|:o,}:e,~:i,\
297: 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",
298: /* S - SWEDISH */
299: " :, :!,`:e,{:ae,|:oe,}:ao,~:ue,\
300: 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,\
301: @:e,[:ae,\\:oe,]:ao,~:ue,\200:e,\201"
302: };
303:
304:
305: char glo_prefix[MONTH_LEN] = "^\201"; /* VIEW 96: global prefix */
306: char glo_ext[MONTH_LEN] = "\201"; /* VIEW 97: global postfix */
307: char rou_ext[MONTH_LEN] = ".m\201"; /* VIEW 98: routine extention */
308: long tzoffset = 0L; /* VIEW 99: timer offset */
309: int v100 = 0; /* VIEW 100: return value of kill */
310: char l_o_val[256] = "\201"; /* VIEW 110: local $o/$q data value */
311: char g_o_val[256] = "\201"; /* VIEW 111: global $o/$q data value */
312: int zsavestrategy = TRUE; /* VIEW 133: remember ZLOAD directory on ZSAVE */
313:
314: /* vars for screen save/restore */
315: struct vtstyp *screen = NULL; /* active screen */
316: short jour_flag = 0; /* journal flag 0/1/-1 */
317:
318: /* trace vars for global module */
319: unsigned long traceblk[TRLIM]; /* trace stack - block numbers */
320: short traceadr[TRLIM]; /* - status */
321: short trx; /* - stack pointer */
322: char compactkey[256]; /* internal form of key in global.c */
323:
324: short mcmnd; /* mumps command letter */
325: short arg; /* stack pointer for expr.c */
326: char *argstck[PARDEPTH + 1]; /* stack of pointers to */
327:
328: /* intermediate results */
329:
330: long ordercnt = 0L; /* repeater for $order/$query */
331: short setpiece = FALSE; /* TRUE: set$piece executing */
332: short setop = 0; /* SET op flag */
333: char rou_name[256] =
334: {EOL}; /* $T(+0)/$ZN routine name */
335: char *namstck; /* routine name stack */
336: char *namptr; /* routine name stack pointer */
337: char *framstck; /* DO_frame stack */
338: char *dofrmptr; /* DO_frame stack pointer */
339: char zb[40] = "\201"; /* $ZB last ESC_sequence */
340: char zerror[300] = "\201"; /* $ZE last error */
341: short DSM2err = FALSE; /* enable normal error processing */
342: short nesterr = 0; /* nesterr and callerr contain info */
343: char callerr[NESTLEVLS + 1][40]; /* about call situation at error */
344:
345: char stack0[256] = "\201";
346:
347: char zmc[128] = "\
348: \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\
349: \020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\177\201";
350:
351: /* $ZMC loadable match 'controls' */
352: char zmn[128] = "0123456789\201"; /* $ZMN loadable match 'numerics' */
353:
354: /* $ZMP loadable match 'punctuation' */
355: char zmp[128] = " !\042#$%&'()*+,-./:;<=>?@^_`\201";
356:
357: /* $ZML loadable match 'lowercase' */
358: char zml[128] = "abcdefghijklmnopqrstuvwxyz{|}~\201";
359:
360: /* $ZMU loadable match 'uppercase' */
361: char zmu[128] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]\201";
362:
363: short zerr = OK; /* $ZE numeric error code */
364: char zloc[256] = "\201"; /* $ZL last local reference */
365: char zref[256] = "\201"; /* $ZR last global reference */
366: short nakoffs = 0; /* offset to naked reference */
367: char zfunkey[44][FUNLEN]; /* $ZF function key */
368:
369: typedef struct frm_devstat {
370: short mdc_err;
371: short frm_err;
372: char err_txt[80];
373: } frm_devstat;
374:
375: frm_devstat devstat[MAXDEV + 1]; /* channel statuses for $DEVICE */
376:
377: short xpos[MAXDEV + 1]; /* $X-vector */
378: short ypos[MAXDEV + 1]; /* $Y-vector */
379: short frm_crlf[MAXDEV + 1]; /* CR/LF flag vector */
380: short fm_nodelay[MAXDEV + 1]; /* nodelay flag vector */
381:
382: int ESCflag[MAXDEV + 1] =
383: {0, 0, 0, 0, 0}; /* ESC flag */
384:
385: short RightMargin = 0; /* Output Margin. Default no */
386:
387: /* automatic CR/LF */
388: short InFieldLen = 255; /* Input Field length Def: 255 char */
389: long DSW = BIT2 + BIT21; /* Device Status word (Terminal) */
390: char LineTerm[32] = "\012\015\201"; /* Input Line Terminator chars */
391: char BrkKey = 3; /* <INTERRUPT> key Def: CTRL/C */
392: char ug_buf[MAXDEV + 1][256]; /* ungetc-buffers */
393: char devopen[MAXDEV + 1] =
394: {0, 0, 0, 0, 0}; /* 0 not open */
395:
396: /* 'r' input */
397: /* 'w' or 'a' output */
398:
399: /* names of IO devices */
400: char dev[MAXDEV + 1][40] = {
401: " ", /* HOME */
402: "/usr/tmp/mout.1/a\201", /* dev 1 */
403: "/usr/tmp/mout.2/a\201", /* dev 2 */
404: "/usr/tmp/mout.3/a\201", /* dev 3 */
405: "/usr/tmp/mout.4/a\201" /* dev 4 */
406: };
407:
408: char G0I[MAXDEV + 1][257]; /* G0 input translation table */
409: char G0O[MAXDEV + 1][257]; /* G0 output translation table */
410: char G1I[MAXDEV + 1][257]; /* G1 input translation table */
411: char G1O[MAXDEV + 1][257]; /* G1 output translation table */
412:
413: FILE *opnfile[MAXDEV + 1];
414: char act_oucpath[MAXDEV + 1][40] = {"\201", "\201", "\201", "\201", "\201"};
415: char sq_modes[MAXDEV + 1];
416:
417: short olddes[NO_GLOBLS]; /* filedescr of open global files */
418: char oldfil[NO_GLOBLS][1024]; /* names of open global files */
419: long g_ages[NO_GLOBLS]; /* last access of global files */
420: short usage[NO_GLOBLS]; /* usage count of global files */
421: short inuse = 0; /* file in use */
422:
423: int lio_mode = -1;
424: short io = HOME; /* $IO */
425: short test = FALSE; /* $TEST */
426: short pattrnflag = FALSE; /* incomplete match flag */
427: char pattrnchar = EOL; /* incomplete match flag supplement */
428: int zsystem = 0; /* $ZSYSTEM return status of UNIX call */
429: short zcc = FALSE; /* $ZC (ControlC-Flag) */
430:
431: char *rouptr; /* pointer to begin of routine */
432: char *roucur; /* cursor into routine */
433: char *rouend; /* pointer to end of pgm */
434: char *rouins; /* pointer for direct mode insert */
435: short breakon = ENABLE; /* BREAK enable/disable-flag */
436: short zbreakon = DISABLE; /* ZBREAK enable/disable-flag */
437: short zbflag = FALSE; /* 'ZBREAK from terminal'-flag */
438: short zprecise = 100; /* $ZPRECISION of arithmetic */
439: char fp_conversion[10]; /* sprintf conversion constant for ieee754 support */
440: long nrandom; /* random number seed */
441: long ran_a = 24298L; /* random number parameter a */
442: long ran_b = 99991L; /* random number parameter b */
443: long ran_c = 199017L; /* random number parameter c */
444:
445: short usermode = 1; /* 0=user mode 1=programmer mode */
446: int restricted_mode = FALSE; /* TRUE=restricted FALSE=unrestricted */
447: short demomode = FALSE; /* 0=no demo 1=demo mode */
448: int d0char = DEL; /* demomode ouput character */
449: int d1char = CAN; /* demomode '!' character */
450: short cset = FALSE; /* 0=mumps set 1='C' set flag */
451:
452: /* startup flags */
453: int hardcopy = DISABLE; /* hardcopy flag */
454: int frm_filter = FALSE; /* filter flag */
455: int noclear = FALSE; /* noclear flag */
456: int standard = D_FREEM; /* default dialect */
457: int quiet_mode = FALSE; /* quiet mode */
458: char config_file[4096]; /* path to configuration file */
459: char env_config_file[4096]; /* path to environment config file */
460: char env_user[255];
461: char env_group[255];
462: char env_enabled[10];
463: char shm_env[255]; /* shared memory environment */
464:
465: short fp_mode = 0; /* set to 0 for fixed-point math, 1 for IEEE754 floating point */
466: short en_revstrf = 1; /* enable reverse forms of string intrinsics */
467:
468: short ierr; /* immediate error status */
469: short deferred_ierr; /* deferred error status (after returning from a private routine) */
470: char err_suppl[255]; /* supplemental information about an error */
471:
472: long PSIZE = DEFPSIZE; /* size of 'partition' */
473: char *mbpartition; /* memory-backed globals partition */
474: short writing_mb = FALSE;
475: char *partition; /* partition (symbol table) */
476: long symlen = DEFPSIZE; /* 'lower' bound of symbol table */
477: unsigned long alphptr[128] = /* pointers into symbol table */
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: 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: char *apartition; /* alternate partition */
483: long asymlen = DEFPSIZE; /* 'lower' bound of symbol table */
484: unsigned long aalphptr[128] = /* pointers into symbol table */
485: {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,
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:
490: short autopsize = TRUE; /* automatic increase of PSIZE */
491: long svnlen = DEFUDFSVSIZ; /* 'lower' bound of udf_svn_tab */
492: long UDFSVSIZ = DEFUDFSVSIZ; /* size of userdef special var tab. */
493: char *svntable; /* udf special variable table */
494: unsigned long svnaptr[128] = /* pointers into udf_svn_tab */
495: {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,
496: 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,
497: 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,
498: 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};
499:
500: short autousize = TRUE; /* automatic increase of UDFSVSIZ */
501: long NO_OF_RBUF = DEFNO_OF_RBUF; /* number of routine buffers */
502: long PSIZE0 = DEFPSIZE0; /* size of routine buffers */
503: short autorsize = TRUE; /* automatic increase of PSIZE0 */
504: short aliases = 0; /* aliases pointer */
505: char ali[2000]; /* aliases table */
506: long v22ptr = 0L; /* view 22 aliases pointer */
507: char *v22ali; /* view 22 aliases field */
508: long v22size = 0L; /* current size of aliases field */
509:
510:
511: long NSIZE = DEFNSIZE; /* size of newstack */
512: char *newstack; /* stack for NEWed variables */
513: char *newptr; /* pointer to NEW stack */
514: char *newlimit; /* pointer to NEW stack end */
515:
516: short nstx = 0; /* nest stack: */
517: short nestc[NESTLEVLS + 1]; /* - command (DO...) */
518: char *nestp[NESTLEVLS + 1]; /* - cmdptr */
519: char *nestn[NESTLEVLS + 1]; /* - namptr */
520: long nestr[NESTLEVLS + 1]; /* - roucur */
521: char *nestnew[NESTLEVLS + 1]; /* - newptr */
522: short neste[NESTLEVLS + 1]; /* - was this frame entered as the result of an error? */
523: short nestlt[NESTLEVLS + 1]; /* stack $T / stack levelcount */
524: short brkstk[NESTLEVLS + 1]; /* stack for BREAK information */
525:
526: char ztrap[NESTLEVLS + 2][ZTLEN]; /* $ZTRAP to be xecuted on error */
527:
528:
529: char *s; /* pointer to symlen_offset */
530: char *argptr; /* pointer to beg of tmp-storage */
531:
532: char code[512] =
533: {EOL, EOL}; /* currently interpreted code */
534: char *codptr = code; /* pointer within code[] */
535:
536: char dosave[20]; /* in a FOR range save DO label */
537: char *xdosave;
538:
539: int errfunlvl = 0; /* avoid wrong error message in $$FUN */
540: short repQUIT = 0; /* QUIT repeater */
541:
542: char varnam[256]; /* variable/array/function name */
543: char varerr[256] =
544: {EOL}; /* reference in error message */
545: char *buff; /* routine buffer pool */
546: char pgms[MAXNO_OF_RBUF][40]; /* names of alt.pgms */
547: long ages[MAXNO_OF_RBUF]; /* last call to this pgm */
548: char *ends[MAXNO_OF_RBUF]; /* saved rouend-pointer */
549: char path[MAXNO_OF_RBUF][256]; /* directory where routine was loaded */
550: rtn_flags rbuf_flags[MAXNO_OF_RBUF]; /* per-routine flags */
551:
552: char glopath[PATHLEN]; /* path to access globals */
553: char rou0path[PATHLEN]; /* routine access with DO,GOTO,JOB */
554: char rou1path[PATHLEN]; /* routine access with ZL,ZS */
555: char gloplib[PATHLEN]; /* path to access %globals */
556:
557: char gbl_u_engine[255]; /* user global engine */
558: char gbl_s_engine[255]; /* system global engine */
559: char loc_engine[255]; /* local engine */
560:
561: unsigned long int bdb_flush_threshold;
562:
563: char rou0plib[PATHLEN]; /* %routine path (DO..) */
564: char rou1plib[PATHLEN]; /* %routine path (ZL..) */
565: char oucpath[PATHLEN] = "\201"; /* OPEN/USE/CLOSE path */
566: char zargdefname[PATHLEN]= "%\201"; /* default varname for Z-commands */
567: FILE *jouraccess; /* dto. filedes */
568: char curdir[256] = "."; /* current directory */
569:
570: char startuprou[PATHLEN] = "\201"; /* start up routine from cmdline*/
571:
572: char zcommds[256] =
573: " za zb zc ze zg zh zi zj zl zm zn zp zq zr zs zth ztr zwa zwi zwr zassert zbreak \
574: zconst zedit zgo zgoto zhalt zinsert zjob zload zmap znamespace zprint zquit zremove zsave zthrow ztrap zunmap zwatch zwith zwrite \201"; /* intrinsic z-commands */
575: char zfunctions[256] = /* intrinsic z-functions */
576: " zb zc zd ze zh zht zk zl zm zn zo zp zr zs zt zboolean zcall zcr zcrc zdata zdate zedit zhorolog \
577: zkey zlength zlsd zname znext zorder zpiece zprevious zreplace zsyntax zsort ztime \201";
578: char zsvn[256] = /* intrinsic z-special variables */
579: " za zb zc zd ze zf zh zi zj zl zmc zmn zmp zma zml zmu zme zn zo zp zs zt zu zv \
580: zcontrolc zdate zerror zname zhorolog zinrpt zjob zlocal zorder zprecision zsystem ztime ztr ztrap zuuid zut zversion \201";
581: char brkaction[256] = "\201"; /* action in case of BREAK */
582: pid_t father = 0; /* JOB-ID of father process */
583: char jour_hostid[256];
584: /* date types parameters */
585: char month[NO_DATETYPE][12][MONTH_LEN] = {
586: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
587: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
588: {"JAN\201", "FEB\201", "MAR\201", "APR\201", "MAY\201", "JUN\201", "JUL\201", "AUG\201", "SEP\201", "OCT\201", "NOV\201", "DEC\201"},
589: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
590: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
591: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
592: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
593: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"}
594: };
595: char dat1char[NO_DATETYPE][MONTH_LEN] = /* date 1st delimiter */
596: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
597: char dat2char[NO_DATETYPE][MONTH_LEN] = /* date 2nd delimmiter */
598: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
599: char dat3char[NO_DATETYPE] =
600: {'0', '0', '0', '0', '\201', '\201', '\201', '0'}; /* date day justify char */
601: char dat4flag[NO_DATETYPE] =
602: {2, 1, 0, 0, 0, 0, 0, 0}; /* 0=DMY, 1=MDY, 2=YMD */
603: char dat5flag[NO_DATETYPE] =
604: {0, 1, 1, 1, 1, 1, 0, 1}; /* suppress century digits */
605: long int datGRbeg[NO_DATETYPE] =
606: {578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L};
607:
608: /* first day of gregorian calendar 15-OCT-1582 ($H+672411) */
609: int datetype = 0; /* type for $zd special variable */
610:
611: char tim1char[NO_TIMETYPE] =
612: {':', ':'}; /* time 1st delimiter */
613: char tim2char[NO_TIMETYPE] =
614: {':', ':'}; /* time 2nd delimiter */
615: char tim3char[NO_TIMETYPE] =
616: {SP, SP}; /* time hour justify char */
617: char tim4flag[NO_TIMETYPE] =
618: {0, 1}; /* 0=24 Hrs 1=12 Hrs */
619: char tim5flag[NO_TIMETYPE] =
620: {0, 0}; /* suppress seconds */
621: int timetype = 0; /* type for $zt special variable */
622:
623: jmp_buf sjbuf;
624: char *roucu0;
625: char *dofram0;
626:
627: short forx = 0; /* FOR stack pointer */
628: char forvar[NESTLEVLS + 1][40], /* FOR variable */
629: forinc[NESTLEVLS + 1][40], /* FOR increment */
630: forpost[NESTLEVLS + 1][128], /* FOR postconditional */
631: forlim[NESTLEVLS + 1][40]; /* FOR limit value */
632: short fortyp[NESTLEVLS + 1]; /* 0 = forever 1 = single, */
633:
634: /* 2 = unlim.iter,3 = limit iter. */
635: /* 4 = "" +inc=1 5 = "" + inc=1 */
636: short fori[NESTLEVLS + 1]; /* if fortyp=5 length of forlimit */
637:
638: char *fvar; /* current forvar */
639: char *finc; /* current forinc */
640: char *fpost; /* current forpost */
641: char *flim; /* current forlim */
642: short ftyp; /* current fortyp */
643: short fi; /* current fori */
644: short forsw = FALSE; /* FOR switch */
645: short loadsw = TRUE; /* flag to avoid redundant loads */
646: short argless_forsw_quit = FALSE; /* QUIT from argumentless FOR */
647: short sigint_in_for = FALSE;
648: short direct_mode = TRUE; /* are we in direct mode? */
649:
650: short extr_types[NESTLEVLS + 1]; /* return types of extrinsic functions */
651: char destructors[MAX_DESTRUCTORS][OBJ_DSTRSIZE];
652: int destructor_ct;
653: char private_keys[MAX_PRIVATE_KEYS][255];
654:
655: /* after XECUTEs */
656: short promflag = TRUE; /* prompt execute flag */
657: short privflag = FALSE; /* extrinsic z-command flag */
658:
659:
660: char *cmdstack;
661: char *cmdptr;
662:
663: short offset;
664: long frm_timeout;
665: short timeoutms;
666: char tmp4[80] = "\201";
667: short param = 0; /* parameter count */
668: short paramx = 0; /* current parameter */
669: short level = 0; /* level count */
670: pid_t pid; /* $J = process ID */
671:
672: char nsname[256] = "USER\0"; /* namespace name */
673: char nsroot[4096]; /* root path of namespace */
674: char *freem_path; /* path to the running instance of FreeM */
675: char history_file[256]; /* path to the history file */
676: int n_lines;
677: int n_columns;
678:
679: short ipc_pending = 0; /* 1 if an incoming IPC is pending, 0 otherwise */
680:
681: int strict_mode = 0;
682:
683: int trace_mode = 0;
684: short debug_mode = FALSE;
685: int lasterr[NESTLEVLS + 1];
686:
687: short first_process = FALSE;
688: size_t shm_init_size = 16777216; /* initial size of SysV shared memory segment (16M + overhead);
689: requires a kernel shmmax (or equivalent) parameter of at least
690: 17002496 */
691: short inrpt_after_async = FALSE;
692:
693: void unnew (void)
694: {
695: char *xptr;
696: int i;
697: long j;
698: char tmp[256];
699:
700: #ifdef DEBUG_NEWPTR
701: int loop;
702: printf("Un-Newing: ");
703: printf("[nstx] nstx is %d\r\n",nstx);
704: printf("[nestnew] nestnew[nstx] is %d\r\n",nestnew[nstx]);
705: #endif
706:
707:
708: xptr = nestnew[nstx]; /* get position of newpointer */
709:
710: while (xptr < newptr) {
711: i = *--newptr;
712:
713: if (i != kill_all) {
714: j = UNSIGN (*--newptr);
715: newptr -= (j + 1);
716: stcpy0 (varnam, newptr, j + 1);
717:
718: if (i == set_sym) {
719: j = UNSIGN (*--newptr);
720: newptr -= (j + 1);
721: stcpy (tmp, newptr);
722: }
723: else {
724: tmp[0] = EOL;
725: }
726: }
727: else {
728: varnam[0] = EOL;
729: tmp[0] = EOL;
730: }
731:
732: if (varnam[0] == '$') {
733: if (varnam[1] == 't') test = tmp[0]; /* pop $TEST */
734: else if (varnam[1] == 'j') pid = UNSIGN (tmp[0]) * 256 + UNSIGN (tmp[1]); /* pop $job */
735: else if (varnam[1] == 'z' && varnam[2] == 'i') breakon = tmp[0]; /* pop $zinrpt */
736: else if (varnam[1] == 'e' && varnam[2] == 't') { /* pop $etrap */
737: stcpy (etrap, tmp);
738: }
739: else if (varnam[1] == 'e' && varnam[2] == 's') { /* pop $estack */
740: char esbuf[256];
741:
742: stcpy (esbuf, tmp);
743: stcnv_m2c (esbuf);
744:
745: estack = atoi (esbuf);
746: }
747: else { /* pop $reference/$zreference */
748: stcpy (zref, tmp);
749: nakoffs = UNSIGN (varnam[4]);
750: }
751:
752: continue;
753: }
754: symtab (i, varnam, tmp);
755: }
756:
757: newptr = nestnew[nstx];
758: nestnew[nstx] = 0; /* reset pointers */
759:
760: return;
761:
762: } /* end unnew() */
763:
764: void m_fatal(char *s)
765: {
766: int errno_sav;
767: errno_sav = errno;
768:
769: set_io (UNIX);
770:
771:
772: if (tp_level) {
773: /* TODO: make this FM_LOG_FATAL (logger will need to do a tp_trollback) */
774: 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));
775: tp_trollback (tp_level);
776: }
777: else {
778: logprintf (FM_LOG_FATAL, "freem: memory allocation failure in %s (error code %d [%s])", s, errno_sav, strerror (errno_sav));
779: }
780:
781: exit (3);
782: }
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