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