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