Annotation of freem/src/frmgbl.c, revision 1.18
1.1 snw 1: /*
1.18 ! snw 2: * $Id: frmgbl.c,v 1.17 2025/05/05 04:46:35 snw Exp $
1.1 snw 3: * freem global C variables
4: *
5: *
1.4 snw 6: * Author: Serena Willis <snw@coherent-logic.com>
1.1 snw 7: * Copyright (C) 1998 MUG Deutschland
1.5 snw 8: * Copyright (C) 2020, 2025 Coherent Logic Development LLC
1.1 snw 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: *
1.6 snw 26: * $Log: frmgbl.c,v $
1.18 ! snw 27: * Revision 1.17 2025/05/05 04:46:35 snw
! 28: * Documentation fixes; make FreeM more standards compliant
! 29: *
1.17 snw 30: * Revision 1.16 2025/04/30 17:19:16 snw
31: * Improve backtraces in debugger
32: *
1.16 snw 33: * Revision 1.15 2025/04/30 14:41:03 snw
34: * Further debugger work
35: *
1.15 snw 36: * Revision 1.14 2025/04/28 19:38:55 snw
37: * Add trace mode
38: *
1.14 snw 39: * Revision 1.13 2025/04/17 14:34:27 snw
40: * Further logging improvements
41: *
1.13 snw 42: * Revision 1.12 2025/04/16 17:36:12 snw
43: * Add FreeBSD shm cleanup script
44: *
1.12 snw 45: * Revision 1.11 2025/04/13 04:22:43 snw
46: * Fix snprintf calls
47: *
1.11 snw 48: * Revision 1.10 2025/04/10 01:24:38 snw
49: * Remove C++ style comments
50: *
1.10 snw 51: * Revision 1.9 2025/04/03 01:41:02 snw
52: * New features frozen; prepare 0.63.0-rc1
53: *
1.9 snw 54: * Revision 1.8 2025/04/02 03:02:42 snw
55: * Stop requiring users to pass -e to fmadm when -u or -g are passed
56: *
1.8 snw 57: * Revision 1.7 2025/04/01 16:37:12 snw
58: * 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.
59: *
1.7 snw 60: * Revision 1.6 2025/03/24 04:05:36 snw
61: * Replace crlf with frm_crlf to avoid symbol conflict with readline on OS/2
62: *
1.6 snw 63: * Revision 1.5 2025/03/09 19:14:25 snw
64: * First phase of REUSE compliance and header reformat
65: *
1.5 snw 66: *
67: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
68: * SPDX-License-Identifier: AGPL-3.0-or-later
1.1 snw 69: **/
70:
71: /* needed if byte data are to be interpreted as unsigned integer */
72: #include <stdlib.h>
73: #include <setjmp.h>
74: #include <signal.h>
75: #include <stdio.h>
76: #include "mpsdef0.h"
77: #include <fcntl.h>
78: #include <unistd.h>
79: #include <string.h>
80: #include <sys/types.h>
81: #include <sys/wait.h>
1.13 snw 82: #include <errno.h>
1.1 snw 83: #include "transact.h"
84: #include "locktab.h"
1.13 snw 85: #include "log.h"
1.1 snw 86:
87: #ifdef LIBFREEM
88: # include "errmsg.h"
89: #endif
90:
91: #define UNSIGN(A) ((A)&0377)
92:
93: #define g_EOL 30
94: #define POINT 28
95: #define MINUS 26
96:
97: #define ROOT 0L
98: /* length of blocks. status bytes defined as offset to blocklength */
99: #define DATALIM (BLOCKLEN-11)
100: #define LLPTR (BLOCKLEN-10)
101: #define NRBLK LLPTR
102: #define RLPTR (BLOCKLEN- 6)
103: #define FREE RLPTR
104: #define BTYP (BLOCKLEN- 3)
105: #define OFFS (BLOCKLEN- 2)
106:
107: #define EMPTY 0
108: #define FBLK 1
109: #define POINTER 2
110: #define BOTTOM 6
111: #define DATA 8
112:
113: #define PROTECT 30
114:
115:
116: #ifndef SYSFIVE
117: #define FreeM_timezone -3600
118: #else
119:
120: #ifdef __CYGWIN__
121: #define FreeM_timezone _timezone
122: #else
123: long FreeM_timezone;
124: #endif /* __CYGWIN__ */
125:
126: #endif /* SYSFIVE */
127:
128: #if defined(__CYGWIN__)
129: # define FreeM_timezone _timezone
130: #endif
131:
132: /* mumps commands */
133: #define BREAK 'b'
134: #define CLOSE 'c'
135: #define DO 'd'
136: #define DO_BLOCK 2
137: #define ELSE 'e'
138: #define FOR 'f'
139: #define GOTO 'g'
140: #define HA 'h'
141: #define HALT '0'
142: #define HANG '1'
143: #define IF 'i'
144: #define JOB 'j'
145: #define KILL 'k'
146: #define LOCK 'l'
147: #define NEW 'n'
148: #define OPEN 'o'
149: #define QUIT 'q'
150: #define READ 'r'
151: #define SET 's'
152: #define USE 'u'
153: #define VIEW 'v'
154: #define WRITE 'w'
155: #define XECUTE 'x'
156: #define ZBREAK 'B'
157: #define ZGO 'G'
158: #define ZHALT 'H'
159: #define ZINSERT 'I'
160: #define ZJOB 'J'
161: #define ZLOAD 'L'
162: #define ZNEW 'N'
163: #define ZPRINT 'P'
164: #define ZQUIT 'Q'
165: #define ZREMOVE 'R'
166: #define ZSAVE 'S'
167: #define ZTRAP 'T'
168: #define ZWRITE 'W'
169: #define PRIVATE SP
170:
171: #if defined(HAVE_MWAPI_MOTIF)
172: # include <Xm/Xm.h>
173: XtAppContext mwapi_context;
174: #endif
175:
176: short run_daemon = FALSE;
177: short nofork = FALSE;
178: char *pid_file_path;
179: int pid_fd;
180:
181: /* USING and WITH */
182: char i_using[STRLEN] = {'\201'};
183: char i_with[STRLEN] = {'\201'};
184:
185: /* common definitions for all mumps modules */
186: /* same as external definition in include_file mpsdef */
187:
188: extern int errno; /* external error code for systemcalls */
189:
190: int m_argc; /* arguments count */
191: char **m_argv; /* arguments string */
192: char **m_envp; /* environment pointer */
193:
194: short frm_throw_all_errors = 1;
195:
196: /* glvn size parameters */
197: union four_fl {
198: long unsigned all;
199: char one[4];
200: } glvnflag; /* [0] unique name chars 0=no limit */
201:
202: /* [1] case sensitivity flag 0=sensitive */
203: /* [2] max. name+subscripts 0=no limit */
204: /* [3] max. length of a subscript 0=no limit */
205: int libflag = FALSE; /* running as library? */
206: int lonelyflag = FALSE; /* single user flag */
207: int lowerflag = TRUE; /* lowercase everywhere flag */
208: int killerflag = TRUE; /* SIGTERM handling flag */
209: int huperflag = TRUE; /* SIGHUP handling flag */
210: int s_fun_flag = TRUE; /* VIEW 70: ZSORT/ZSYNTAX flag */
211: int n_fun_flag = TRUE; /* VIEW 71: ZNEXT/ZNAME flag */
212: int p_fun_flag = TRUE; /* VIEW 72: ZPREVIOUS/ZPIECE flag */
213: int d_fun_flag = TRUE; /* VIEW 73: ZDATA/ZDATE flag */
214: int zjobflag = TRUE; /* VIEW 79: old ZJOB vs. new ZJOB flag */
215: int eightbit = TRUE; /* VIEW 80: 7 vs. 8 bit flag */
216: int PF1flag = FALSE; /* VIEW 81: PF1 flag */
217: int ordercounter = 0; /* VIEW 82: order counter */
218: int etxtflag = FALSE; /* VIEW 83: text in $ZE flag */
219: char lvndefault[256] = "\201"; /* VIEW 89: UNDEF lvn default */
220: char gvndefault[256] = "\201"; /* VIEW 90: UNDEF gvn default */
221: char exfdefault[256] = "\201"; /* VIEW 91: missing QUIT expr default */
222: int typemmflag = FALSE; /* VIEW 92: EUR2DEM: type mismatch error */
223: int namespace = 0; /* VIEW 200: namespace index */
224: int config = 0; /* VIEW 201: configuration index */
225: char WHR[12][4] = { /* names of currencies */
226: "\201",
227: "EUR\201",
228: "ATS\201",
229: "BFR\201",
230: "DEM\201",
231: "ESP\201",
232: "FMK\201",
233: "FRF\201",
234: "IEP\201",
235: "ITL\201",
236: "NLG\201",
237: "PTE\201"
238: };
239:
240: char EUR2WHR[12][9] = { /* conversion factors EUR to ... */
241: "\201", /* dont care */
242: "1\201", /* to EUR */
243: "13.7603\201", /* to ATS */
244: "40.3399\201", /* to BFR */
245: "1.95583\201", /* to DEM (DM) */
246: "166.386\201", /* to ESP */
247: "5.94573\201", /* to FMK */
248: "6.55957\201", /* to FRF (FF) */
249: ".787564\201", /* to IEP */
250: "1936.27\201", /* to ITL */
251: "2.20371\201", /* to NLG */
252: "200.482\201" /* to PTE */
253: };
254:
255: long v93 = 1; /* VIEW 93: ASCII rule default */
256: char v93a[NO_V93][2560] = {
257: /* ASCII */
258: " :, :!,A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201",
259: /* B - BELGIAN */
260: " :, :!,@:a,\\:c,{:e,}:e,\
261: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201,\200:e",
262: /* D - GERMAN */
263: " \001\002 \001\002!\001\002\042\001\002#\001\002$\001\002%\001\002&\001\002\
264: '\001\002(\001\002)\001\002*\001\002+\001\002,\001\002-\001\002.\001\002\
265: /\001\002:\001\002;\001\002<\001\002=\001\002>\001\002?\001\002@\001\002\
266: ^\001\002_\001\002`\001\002A\001a\002B\001b\002C\001c\002D\001d\002E\001e\002\
267: F\001f\002G\001g\002H\001h\002I\001i\002J\001j\002K\001k\002L\001l\002\
268: M\001m\002N\001n\002O\001o\002P\001p\002Q\001q\002R\001r\002S\001s\002\
269: T\001t\002U\001u\002V\001v\002W\001w\002X\001x\002Y\001y\002Z\001z\002\
270: {\001ae\002[\001ae\002|\001oe\002\134\001oe\002}\001ue\002]\001ue\002\
271: ~\001ss\002\200\001e\002\201",
272: /* DK - DANISH */
273: " :, :!,{:ae,|:oe,}:au,~:ue,\
274: 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,\
275: [:ae,\\:oe,]:ao,^:ue,\200:e\201",
276: /* E - SPANISH */
277: " :, :!,|:n,}:c,ll:l,\
278: 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,\
279: \\:n,LL:l\201",
280: /* F - FRENCH */
281: " :, :!,\\:c,{:e,|:u,}:e,\
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: /* I - ITALIAN */
284: " :, :!,\\:c,]:e,`:u,{:a,|:o,}:e,~:i,\
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: /* S - SWEDISH */
287: " :, :!,`:e,{:ae,|:oe,}:ao,~:ue,\
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,\
289: @:e,[:ae,\\:oe,]:ao,~:ue,\200:e,\201"
290: };
291:
292:
293: char glo_prefix[MONTH_LEN] = "^\201"; /* VIEW 96: global prefix */
294: char glo_ext[MONTH_LEN] = "\201"; /* VIEW 97: global postfix */
295: char rou_ext[MONTH_LEN] = ".m\201"; /* VIEW 98: routine extention */
296: long tzoffset = 0L; /* VIEW 99: timer offset */
297: int v100 = 0; /* VIEW 100: return value of kill */
298: char l_o_val[256] = "\201"; /* VIEW 110: local $o/$q data value */
299: char g_o_val[256] = "\201"; /* VIEW 111: global $o/$q data value */
300: int zsavestrategy = TRUE; /* VIEW 133: remember ZLOAD directory on ZSAVE */
301:
302: /* vars for screen save/restore */
303: struct vtstyp *screen = NULL; /* active screen */
304: short jour_flag = 0; /* journal flag 0/1/-1 */
305:
306: /* trace vars for global module */
307: unsigned long traceblk[TRLIM]; /* trace stack - block numbers */
308: short traceadr[TRLIM]; /* - status */
309: short trx; /* - stack pointer */
310: char compactkey[256]; /* internal form of key in global.c */
311:
312: short mcmnd; /* mumps command letter */
313: short arg; /* stack pointer for expr.c */
314: char *argstck[PARDEPTH + 1]; /* stack of pointers to */
315:
316: /* intermediate results */
317:
318: long ordercnt = 0L; /* repeater for $order/$query */
319: short setpiece = FALSE; /* TRUE: set$piece executing */
320: short setop = 0; /* SET op flag */
321: char rou_name[256] =
322: {EOL}; /* $T(+0)/$ZN routine name */
323: char *namstck; /* routine name stack */
324: char *namptr; /* routine name stack pointer */
325: char *framstck; /* DO_frame stack */
326: char *dofrmptr; /* DO_frame stack pointer */
327: char zb[40] = "\201"; /* $ZB last ESC_sequence */
328: char zerror[300] = "\201"; /* $ZE last error */
329: short DSM2err = FALSE; /* enable normal error processing */
330: short nesterr = 0; /* nesterr and callerr contain info */
331: char callerr[NESTLEVLS + 1][40]; /* about call situation at error */
332:
333: char stack0[256] = "\201";
334:
335: char zmc[128] = "\
336: \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\
337: \020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\177\201";
338:
339: /* $ZMC loadable match 'controls' */
340: char zmn[128] = "0123456789\201"; /* $ZMN loadable match 'numerics' */
341:
342: /* $ZMP loadable match 'punctuation' */
343: char zmp[128] = " !\042#$%&'()*+,-./:;<=>?@^_`\201";
344:
345: /* $ZML loadable match 'lowercase' */
346: char zml[128] = "abcdefghijklmnopqrstuvwxyz{|}~\201";
347:
348: /* $ZMU loadable match 'uppercase' */
349: char zmu[128] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]\201";
350:
351: short zerr = OK; /* $ZE numeric error code */
352: char zloc[256] = "\201"; /* $ZL last local reference */
353: char zref[256] = "\201"; /* $ZR last global reference */
354: short nakoffs = 0; /* offset to naked reference */
355: char zfunkey[44][FUNLEN]; /* $ZF function key */
356:
357: typedef struct frm_devstat {
358: short mdc_err;
359: short frm_err;
360: char err_txt[80];
361: } frm_devstat;
362:
363: frm_devstat devstat[MAXDEV + 1]; /* channel statuses for $DEVICE */
364:
365: short xpos[MAXDEV + 1]; /* $X-vector */
366: short ypos[MAXDEV + 1]; /* $Y-vector */
1.6 snw 367: short frm_crlf[MAXDEV + 1]; /* CR/LF flag vector */
1.1 snw 368: short fm_nodelay[MAXDEV + 1]; /* nodelay flag vector */
369:
370: int ESCflag[MAXDEV + 1] =
371: {0, 0, 0, 0, 0}; /* ESC flag */
372:
373: short RightMargin = 0; /* Output Margin. Default no */
374:
375: /* automatic CR/LF */
376: short InFieldLen = 255; /* Input Field length Def: 255 char */
377: long DSW = BIT2 + BIT21; /* Device Status word (Terminal) */
378: char LineTerm[32] = "\012\015\201"; /* Input Line Terminator chars */
379: char BrkKey = 3; /* <INTERRUPT> key Def: CTRL/C */
380: char ug_buf[MAXDEV + 1][256]; /* ungetc-buffers */
381: char devopen[MAXDEV + 1] =
382: {0, 0, 0, 0, 0}; /* 0 not open */
383:
384: /* 'r' input */
385: /* 'w' or 'a' output */
386:
387: /* names of IO devices */
388: char dev[MAXDEV + 1][40] = {
389: " ", /* HOME */
390: "/usr/tmp/mout.1/a\201", /* dev 1 */
391: "/usr/tmp/mout.2/a\201", /* dev 2 */
392: "/usr/tmp/mout.3/a\201", /* dev 3 */
393: "/usr/tmp/mout.4/a\201" /* dev 4 */
394: };
395:
396: char G0I[MAXDEV + 1][257]; /* G0 input translation table */
397: char G0O[MAXDEV + 1][257]; /* G0 output translation table */
398: char G1I[MAXDEV + 1][257]; /* G1 input translation table */
399: char G1O[MAXDEV + 1][257]; /* G1 output translation table */
400:
401: FILE *opnfile[MAXDEV + 1];
402: char act_oucpath[MAXDEV + 1][40] = {"\201", "\201", "\201", "\201", "\201"};
403: char sq_modes[MAXDEV + 1];
404:
405: short olddes[NO_GLOBLS]; /* filedescr of open global files */
406: char oldfil[NO_GLOBLS][1024]; /* names of open global files */
407: long g_ages[NO_GLOBLS]; /* last access of global files */
408: short usage[NO_GLOBLS]; /* usage count of global files */
409: short inuse = 0; /* file in use */
410:
411: int lio_mode = -1;
412: short io = HOME; /* $IO */
413: short test = FALSE; /* $TEST */
414: short pattrnflag = FALSE; /* incomplete match flag */
415: char pattrnchar = EOL; /* incomplete match flag supplement */
416: int zsystem = 0; /* $ZSYSTEM return status of UNIX call */
417: short zcc = FALSE; /* $ZC (ControlC-Flag) */
418:
419: char *rouptr; /* pointer to begin of routine */
420: char *roucur; /* cursor into routine */
421: char *rouend; /* pointer to end of pgm */
422: char *rouins; /* pointer for direct mode insert */
423: short breakon = ENABLE; /* BREAK enable/disable-flag */
424: short zbreakon = DISABLE; /* ZBREAK enable/disable-flag */
425: short zbflag = FALSE; /* 'ZBREAK from terminal'-flag */
426: short zprecise = 100; /* $ZPRECISION of arithmetic */
427: char fp_conversion[10]; /* sprintf conversion constant for ieee754 support */
428: long nrandom; /* random number seed */
429: long ran_a = 24298L; /* random number parameter a */
430: long ran_b = 99991L; /* random number parameter b */
431: long ran_c = 199017L; /* random number parameter c */
432:
433: short usermode = 1; /* 0=user mode 1=programmer mode */
434: int restricted_mode = FALSE; /* TRUE=restricted FALSE=unrestricted */
435: short demomode = FALSE; /* 0=no demo 1=demo mode */
436: int d0char = DEL; /* demomode ouput character */
437: int d1char = CAN; /* demomode '!' character */
438: short cset = FALSE; /* 0=mumps set 1='C' set flag */
439:
440: /* startup flags */
441: int hardcopy = DISABLE; /* hardcopy flag */
442: int frm_filter = FALSE; /* filter flag */
443: int noclear = FALSE; /* noclear flag */
444: int standard = D_FREEM; /* default dialect */
445: int quiet_mode = FALSE; /* quiet mode */
446: char config_file[4096]; /* path to configuration file */
1.7 snw 447: char env_config_file[4096]; /* path to environment config file */
448: char env_user[255];
449: char env_group[255];
1.9 snw 450: char env_enabled[10];
1.1 snw 451: char shm_env[255]; /* shared memory environment */
452:
453: short fp_mode = 0; /* set to 0 for fixed-point math, 1 for IEEE754 floating point */
454: short en_revstrf = 1; /* enable reverse forms of string intrinsics */
455:
456: short ierr; /* immediate error status */
457: short deferred_ierr; /* deferred error status (after returning from a private routine) */
458: char err_suppl[255]; /* supplemental information about an error */
459:
460: long PSIZE = DEFPSIZE; /* size of 'partition' */
461: char *mbpartition; /* memory-backed globals partition */
462: short writing_mb = FALSE;
463: char *partition; /* partition (symbol table) */
464: long symlen = DEFPSIZE; /* 'lower' bound of symbol table */
465: unsigned long alphptr[128] = /* pointers into symbol table */
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: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
468: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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: char *apartition; /* alternate partition */
471: long asymlen = DEFPSIZE; /* 'lower' bound of symbol table */
472: unsigned long aalphptr[128] = /* pointers into symbol table */
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: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
475: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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:
478: short autopsize = TRUE; /* automatic increase of PSIZE */
479: long svnlen = DEFUDFSVSIZ; /* 'lower' bound of udf_svn_tab */
480: long UDFSVSIZ = DEFUDFSVSIZ; /* size of userdef special var tab. */
481: char *svntable; /* udf special variable table */
482: unsigned long svnaptr[128] = /* pointers into udf_svn_tab */
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: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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:
488: short autousize = TRUE; /* automatic increase of UDFSVSIZ */
489: long NO_OF_RBUF = DEFNO_OF_RBUF; /* number of routine buffers */
490: long PSIZE0 = DEFPSIZE0; /* size of routine buffers */
491: short autorsize = TRUE; /* automatic increase of PSIZE0 */
492: short aliases = 0; /* aliases pointer */
493: char ali[2000]; /* aliases table */
494: long v22ptr = 0L; /* view 22 aliases pointer */
495: char *v22ali; /* view 22 aliases field */
496: long v22size = 0L; /* current size of aliases field */
497:
498:
499: long NSIZE = DEFNSIZE; /* size of newstack */
500: char *newstack; /* stack for NEWed variables */
501: char *newptr; /* pointer to NEW stack */
502: char *newlimit; /* pointer to NEW stack end */
503:
504: short nstx = 0; /* nest stack: */
505: short nestc[NESTLEVLS + 1]; /* - command (DO...) */
506: char *nestp[NESTLEVLS + 1]; /* - cmdptr */
507: char *nestn[NESTLEVLS + 1]; /* - namptr */
508: long nestr[NESTLEVLS + 1]; /* - roucur */
509: char *nestnew[NESTLEVLS + 1]; /* - newptr */
510: short neste[NESTLEVLS + 1]; /* - was this frame entered as the result of an error? */
511: short nestlt[NESTLEVLS + 1]; /* stack $T / stack levelcount */
512: short brkstk[NESTLEVLS + 1]; /* stack for BREAK information */
513:
514: char ztrap[NESTLEVLS + 2][ZTLEN]; /* $ZTRAP to be xecuted on error */
515:
516:
517: char *s; /* pointer to symlen_offset */
518: char *argptr; /* pointer to beg of tmp-storage */
519:
520: char code[512] =
521: {EOL, EOL}; /* currently interpreted code */
522: char *codptr = code; /* pointer within code[] */
523:
524: char dosave[20]; /* in a FOR range save DO label */
525: char *xdosave;
526:
527: int errfunlvl = 0; /* avoid wrong error message in $$FUN */
528: short repQUIT = 0; /* QUIT repeater */
529:
530: char varnam[256]; /* variable/array/function name */
531: char varerr[256] =
532: {EOL}; /* reference in error message */
533: char *buff; /* routine buffer pool */
534: char pgms[MAXNO_OF_RBUF][40]; /* names of alt.pgms */
535: long ages[MAXNO_OF_RBUF]; /* last call to this pgm */
536: char *ends[MAXNO_OF_RBUF]; /* saved rouend-pointer */
537: char path[MAXNO_OF_RBUF][256]; /* directory where routine was loaded */
538: rtn_flags rbuf_flags[MAXNO_OF_RBUF]; /* per-routine flags */
539:
540: char glopath[PATHLEN]; /* path to access globals */
541: char rou0path[PATHLEN]; /* routine access with DO,GOTO,JOB */
542: char rou1path[PATHLEN]; /* routine access with ZL,ZS */
543: char gloplib[PATHLEN]; /* path to access %globals */
544:
545: char gbl_u_engine[255]; /* user global engine */
546: char gbl_s_engine[255]; /* system global engine */
547: char loc_engine[255]; /* local engine */
548:
549: unsigned long int bdb_flush_threshold;
550:
551: char rou0plib[PATHLEN]; /* %routine path (DO..) */
552: char rou1plib[PATHLEN]; /* %routine path (ZL..) */
553: char oucpath[PATHLEN] = "\201"; /* OPEN/USE/CLOSE path */
554: char zargdefname[PATHLEN]= "%\201"; /* default varname for Z-commands */
555: FILE *jouraccess; /* dto. filedes */
556: char curdir[256] = "."; /* current directory */
557:
558: char startuprou[PATHLEN] = "\201"; /* start up routine from cmdline*/
559:
560: char zcommds[256] =
1.17 snw 561: " za zb zc zd zg zh zi zj zl zm zn zp zq zr zs zth ztr zwa zwi zwr zassert zbreak \
562: zconst zgo zhalt zinsert zjob zload zmap znamespace zprint zquit zremove zsave zthrow ztrap zunmap zwatch zwith zwrite \201"; /* intrinsic z-commands */
1.1 snw 563: char zfunctions[256] = /* intrinsic z-functions */
564: " zb zc zd ze zh zht zk zl zm zn zo zp zr zs zt zboolean zcall zcr zcrc zdata zdate zedit zhorolog \
565: zkey zlength zlsd zname znext zorder zpiece zprevious zreplace zsyntax zsort ztime \201";
566: char zsvn[256] = /* intrinsic z-special variables */
567: " za zb zc zd ze zf zh zi zj zl zmc zmn zmp zma zml zmu zme zn zo zp zs zt zu zv \
568: zcontrolc zdate zerror zname zhorolog zinrpt zjob zlocal zorder zprecision zsystem ztime ztr ztrap zuuid zut zversion \201";
569: char brkaction[256] = "\201"; /* action in case of BREAK */
570: pid_t father = 0; /* JOB-ID of father process */
571: char jour_hostid[256];
572: /* date types parameters */
573: char month[NO_DATETYPE][12][MONTH_LEN] = {
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: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
576: {"JAN\201", "FEB\201", "MAR\201", "APR\201", "MAY\201", "JUN\201", "JUL\201", "AUG\201", "SEP\201", "OCT\201", "NOV\201", "DEC\201"},
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: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
579: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
580: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
581: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"}
582: };
583: char dat1char[NO_DATETYPE][MONTH_LEN] = /* date 1st delimiter */
584: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
585: char dat2char[NO_DATETYPE][MONTH_LEN] = /* date 2nd delimmiter */
586: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
587: char dat3char[NO_DATETYPE] =
588: {'0', '0', '0', '0', '\201', '\201', '\201', '0'}; /* date day justify char */
589: char dat4flag[NO_DATETYPE] =
590: {2, 1, 0, 0, 0, 0, 0, 0}; /* 0=DMY, 1=MDY, 2=YMD */
591: char dat5flag[NO_DATETYPE] =
592: {0, 1, 1, 1, 1, 1, 0, 1}; /* suppress century digits */
593: long int datGRbeg[NO_DATETYPE] =
594: {578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L};
595:
596: /* first day of gregorian calendar 15-OCT-1582 ($H+672411) */
597: int datetype = 0; /* type for $zd special variable */
598:
599: char tim1char[NO_TIMETYPE] =
600: {':', ':'}; /* time 1st delimiter */
601: char tim2char[NO_TIMETYPE] =
602: {':', ':'}; /* time 2nd delimiter */
603: char tim3char[NO_TIMETYPE] =
604: {SP, SP}; /* time hour justify char */
605: char tim4flag[NO_TIMETYPE] =
606: {0, 1}; /* 0=24 Hrs 1=12 Hrs */
607: char tim5flag[NO_TIMETYPE] =
608: {0, 0}; /* suppress seconds */
609: int timetype = 0; /* type for $zt special variable */
610:
611: jmp_buf sjbuf;
612: char *roucu0;
613: char *dofram0;
614:
615: short forx = 0; /* FOR stack pointer */
616: char forvar[NESTLEVLS + 1][40], /* FOR variable */
617: forinc[NESTLEVLS + 1][40], /* FOR increment */
618: forpost[NESTLEVLS + 1][128], /* FOR postconditional */
619: forlim[NESTLEVLS + 1][40]; /* FOR limit value */
620: short fortyp[NESTLEVLS + 1]; /* 0 = forever 1 = single, */
621:
622: /* 2 = unlim.iter,3 = limit iter. */
623: /* 4 = "" +inc=1 5 = "" + inc=1 */
624: short fori[NESTLEVLS + 1]; /* if fortyp=5 length of forlimit */
625:
626: char *fvar; /* current forvar */
627: char *finc; /* current forinc */
628: char *fpost; /* current forpost */
629: char *flim; /* current forlim */
630: short ftyp; /* current fortyp */
631: short fi; /* current fori */
632: short forsw = FALSE; /* FOR switch */
633: short loadsw = TRUE; /* flag to avoid redundant loads */
634: short argless_forsw_quit = FALSE; /* QUIT from argumentless FOR */
635: short sigint_in_for = FALSE;
636: short direct_mode = TRUE; /* are we in direct mode? */
637:
638: short extr_types[NESTLEVLS + 1]; /* return types of extrinsic functions */
1.11 snw 639: char destructors[MAX_DESTRUCTORS][OBJ_DSTRSIZE];
1.1 snw 640: int destructor_ct;
641: char private_keys[MAX_PRIVATE_KEYS][255];
642:
643: /* after XECUTEs */
644: short promflag = TRUE; /* prompt execute flag */
645: short privflag = FALSE; /* extrinsic z-command flag */
646:
647:
648: char *cmdstack;
649: char *cmdptr;
650:
651: short offset;
652: long frm_timeout;
653: short timeoutms;
654: char tmp4[80] = "\201";
655: short param = 0; /* parameter count */
656: short paramx = 0; /* current parameter */
657: short level = 0; /* level count */
658: pid_t pid; /* $J = process ID */
659:
660: char nsname[256] = "USER\0"; /* namespace name */
661: char nsroot[4096]; /* root path of namespace */
662: char *freem_path; /* path to the running instance of FreeM */
663: char history_file[256]; /* path to the history file */
664: int n_lines;
665: int n_columns;
666:
667: short ipc_pending = 0; /* 1 if an incoming IPC is pending, 0 otherwise */
668:
669: int strict_mode = 0;
670:
1.14 snw 671: int trace_mode = 0;
1.16 snw 672: short debug_mode = FALSE;
673: int lasterr[NESTLEVLS + 1];
1.14 snw 674:
1.1 snw 675: short first_process = FALSE;
1.12 snw 676: #if defined(__FreeBSD__)
677: size_t shm_init_size = 4194304;
678: #else
1.18 ! snw 679: # if !defined(__APPLE__)
1.12 snw 680: size_t shm_init_size = 16777216;
1.18 ! snw 681: # else
! 682: size_t shm_init_size = 2048576;
! 683: #endif
1.12 snw 684: #endif
1.1 snw 685: short inrpt_after_async = FALSE;
686:
687: void unnew (void)
688: {
689: char *xptr;
690: int i;
691: long j;
692: char tmp[256];
693:
694: #ifdef DEBUG_NEWPTR
695: int loop;
696: printf("Un-Newing: ");
697: printf("[nstx] nstx is %d\r\n",nstx);
698: printf("[nestnew] nestnew[nstx] is %d\r\n",nestnew[nstx]);
699: #endif
700:
701:
702: xptr = nestnew[nstx]; /* get position of newpointer */
703:
704: while (xptr < newptr) {
705: i = *--newptr;
706:
707: if (i != kill_all) {
708: j = UNSIGN (*--newptr);
709: newptr -= (j + 1);
710: stcpy0 (varnam, newptr, j + 1);
711:
712: if (i == set_sym) {
713: j = UNSIGN (*--newptr);
714: newptr -= (j + 1);
715: stcpy (tmp, newptr);
716: }
717: else {
718: tmp[0] = EOL;
719: }
720: }
721: else {
722: varnam[0] = EOL;
723: tmp[0] = EOL;
724: }
725:
726: if (varnam[0] == '$') {
727: if (varnam[1] == 't') test = tmp[0]; /* pop $TEST */
728: else if (varnam[1] == 'j') pid = UNSIGN (tmp[0]) * 256 + UNSIGN (tmp[1]); /* pop $job */
729: else if (varnam[1] == 'z' && varnam[2] == 'i') breakon = tmp[0]; /* pop $zinrpt */
730: else if (varnam[1] == 'e' && varnam[2] == 't') { /* pop $etrap */
731: stcpy (etrap, tmp);
732: }
733: else if (varnam[1] == 'e' && varnam[2] == 's') { /* pop $estack */
734: char esbuf[256];
735:
736: stcpy (esbuf, tmp);
737: stcnv_m2c (esbuf);
738:
739: estack = atoi (esbuf);
740: }
741: else { /* pop $reference/$zreference */
742: stcpy (zref, tmp);
743: nakoffs = UNSIGN (varnam[4]);
744: }
745:
746: continue;
747: }
748: symtab (i, varnam, tmp);
749: }
750:
751: newptr = nestnew[nstx];
752: nestnew[nstx] = 0; /* reset pointers */
753:
754: return;
755:
756: } /* end unnew() */
757:
758: void m_fatal(char *s)
759: {
760: int errno_sav;
761: errno_sav = errno;
762:
763: set_io (UNIX);
764:
765:
766: if (tp_level) {
1.13 snw 767: /* TODO: make this FM_LOG_FATAL (logger will need to do a tp_trollback) */
768: 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));
1.1 snw 769: tp_trollback (tp_level);
770: }
771: else {
1.13 snw 772: logprintf (FM_LOG_FATAL, "freem: memory allocation failure in %s (error code %d [%s])", s, errno_sav, strerror (errno_sav));
1.1 snw 773: }
774:
775: exit (3);
776: }
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