Annotation of freem/src/frmgbl.c, revision 1.16
1.1 snw 1: /*
1.16 ! snw 2: * $Id: frmgbl.c,v 1.15 2025/04/30 14:41:03 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 $
1.16 ! snw 27: * Revision 1.15 2025/04/30 14:41:03 snw
! 28: * Further debugger work
! 29: *
1.15 snw 30: * Revision 1.14 2025/04/28 19:38:55 snw
31: * Add trace mode
32: *
1.14 snw 33: * Revision 1.13 2025/04/17 14:34:27 snw
34: * Further logging improvements
35: *
1.13 snw 36: * Revision 1.12 2025/04/16 17:36:12 snw
37: * Add FreeBSD shm cleanup script
38: *
1.12 snw 39: * Revision 1.11 2025/04/13 04:22:43 snw
40: * Fix snprintf calls
41: *
1.11 snw 42: * Revision 1.10 2025/04/10 01:24:38 snw
43: * Remove C++ style comments
44: *
1.10 snw 45: * Revision 1.9 2025/04/03 01:41:02 snw
46: * New features frozen; prepare 0.63.0-rc1
47: *
1.9 snw 48: * Revision 1.8 2025/04/02 03:02:42 snw
49: * Stop requiring users to pass -e to fmadm when -u or -g are passed
50: *
1.8 snw 51: * Revision 1.7 2025/04/01 16:37:12 snw
52: * 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.
53: *
1.7 snw 54: * Revision 1.6 2025/03/24 04:05:36 snw
55: * Replace crlf with frm_crlf to avoid symbol conflict with readline on OS/2
56: *
1.6 snw 57: * Revision 1.5 2025/03/09 19:14:25 snw
58: * First phase of REUSE compliance and header reformat
59: *
1.5 snw 60: *
61: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
62: * SPDX-License-Identifier: AGPL-3.0-or-later
1.1 snw 63: **/
64:
65: /* needed if byte data are to be interpreted as unsigned integer */
66: #include <stdlib.h>
67: #include <setjmp.h>
68: #include <signal.h>
69: #include <stdio.h>
70: #include "mpsdef0.h"
71: #include <fcntl.h>
72: #include <unistd.h>
73: #include <string.h>
74: #include <sys/types.h>
75: #include <sys/wait.h>
1.13 snw 76: #include <errno.h>
1.1 snw 77: #include "transact.h"
78: #include "locktab.h"
1.13 snw 79: #include "log.h"
1.1 snw 80:
81: #ifdef LIBFREEM
82: # include "errmsg.h"
83: #endif
84:
85: #define UNSIGN(A) ((A)&0377)
86:
87: #define g_EOL 30
88: #define POINT 28
89: #define MINUS 26
90:
91: #define ROOT 0L
92: /* length of blocks. status bytes defined as offset to blocklength */
93: #define DATALIM (BLOCKLEN-11)
94: #define LLPTR (BLOCKLEN-10)
95: #define NRBLK LLPTR
96: #define RLPTR (BLOCKLEN- 6)
97: #define FREE RLPTR
98: #define BTYP (BLOCKLEN- 3)
99: #define OFFS (BLOCKLEN- 2)
100:
101: #define EMPTY 0
102: #define FBLK 1
103: #define POINTER 2
104: #define BOTTOM 6
105: #define DATA 8
106:
107: #define PROTECT 30
108:
109:
110: #ifndef SYSFIVE
111: #define FreeM_timezone -3600
112: #else
113:
114: #ifdef __CYGWIN__
115: #define FreeM_timezone _timezone
116: #else
117: long FreeM_timezone;
118: #endif /* __CYGWIN__ */
119:
120: #endif /* SYSFIVE */
121:
122: #if defined(__CYGWIN__)
123: # define FreeM_timezone _timezone
124: #endif
125:
126: /* mumps commands */
127: #define BREAK 'b'
128: #define CLOSE 'c'
129: #define DO 'd'
130: #define DO_BLOCK 2
131: #define ELSE 'e'
132: #define FOR 'f'
133: #define GOTO 'g'
134: #define HA 'h'
135: #define HALT '0'
136: #define HANG '1'
137: #define IF 'i'
138: #define JOB 'j'
139: #define KILL 'k'
140: #define LOCK 'l'
141: #define NEW 'n'
142: #define OPEN 'o'
143: #define QUIT 'q'
144: #define READ 'r'
145: #define SET 's'
146: #define USE 'u'
147: #define VIEW 'v'
148: #define WRITE 'w'
149: #define XECUTE 'x'
150: #define ZBREAK 'B'
151: #define ZGO 'G'
152: #define ZHALT 'H'
153: #define ZINSERT 'I'
154: #define ZJOB 'J'
155: #define ZLOAD 'L'
156: #define ZNEW 'N'
157: #define ZPRINT 'P'
158: #define ZQUIT 'Q'
159: #define ZREMOVE 'R'
160: #define ZSAVE 'S'
161: #define ZTRAP 'T'
162: #define ZWRITE 'W'
163: #define PRIVATE SP
164:
165: #if defined(HAVE_MWAPI_MOTIF)
166: # include <Xm/Xm.h>
167: XtAppContext mwapi_context;
168: #endif
169:
170: short run_daemon = FALSE;
171: short nofork = FALSE;
172: char *pid_file_path;
173: int pid_fd;
174:
175: /* USING and WITH */
176: char i_using[STRLEN] = {'\201'};
177: char i_with[STRLEN] = {'\201'};
178:
179: /* common definitions for all mumps modules */
180: /* same as external definition in include_file mpsdef */
181:
182: extern int errno; /* external error code for systemcalls */
183:
184: int m_argc; /* arguments count */
185: char **m_argv; /* arguments string */
186: char **m_envp; /* environment pointer */
187:
188: short frm_throw_all_errors = 1;
189:
190: /* glvn size parameters */
191: union four_fl {
192: long unsigned all;
193: char one[4];
194: } glvnflag; /* [0] unique name chars 0=no limit */
195:
196: /* [1] case sensitivity flag 0=sensitive */
197: /* [2] max. name+subscripts 0=no limit */
198: /* [3] max. length of a subscript 0=no limit */
199: int libflag = FALSE; /* running as library? */
200: int lonelyflag = FALSE; /* single user flag */
201: int lowerflag = TRUE; /* lowercase everywhere flag */
202: int killerflag = TRUE; /* SIGTERM handling flag */
203: int huperflag = TRUE; /* SIGHUP handling flag */
204: int s_fun_flag = TRUE; /* VIEW 70: ZSORT/ZSYNTAX flag */
205: int n_fun_flag = TRUE; /* VIEW 71: ZNEXT/ZNAME flag */
206: int p_fun_flag = TRUE; /* VIEW 72: ZPREVIOUS/ZPIECE flag */
207: int d_fun_flag = TRUE; /* VIEW 73: ZDATA/ZDATE flag */
208: int zjobflag = TRUE; /* VIEW 79: old ZJOB vs. new ZJOB flag */
209: int eightbit = TRUE; /* VIEW 80: 7 vs. 8 bit flag */
210: int PF1flag = FALSE; /* VIEW 81: PF1 flag */
211: int ordercounter = 0; /* VIEW 82: order counter */
212: int etxtflag = FALSE; /* VIEW 83: text in $ZE flag */
213: char lvndefault[256] = "\201"; /* VIEW 89: UNDEF lvn default */
214: char gvndefault[256] = "\201"; /* VIEW 90: UNDEF gvn default */
215: char exfdefault[256] = "\201"; /* VIEW 91: missing QUIT expr default */
216: int typemmflag = FALSE; /* VIEW 92: EUR2DEM: type mismatch error */
217: int namespace = 0; /* VIEW 200: namespace index */
218: int config = 0; /* VIEW 201: configuration index */
219: char WHR[12][4] = { /* names of currencies */
220: "\201",
221: "EUR\201",
222: "ATS\201",
223: "BFR\201",
224: "DEM\201",
225: "ESP\201",
226: "FMK\201",
227: "FRF\201",
228: "IEP\201",
229: "ITL\201",
230: "NLG\201",
231: "PTE\201"
232: };
233:
234: char EUR2WHR[12][9] = { /* conversion factors EUR to ... */
235: "\201", /* dont care */
236: "1\201", /* to EUR */
237: "13.7603\201", /* to ATS */
238: "40.3399\201", /* to BFR */
239: "1.95583\201", /* to DEM (DM) */
240: "166.386\201", /* to ESP */
241: "5.94573\201", /* to FMK */
242: "6.55957\201", /* to FRF (FF) */
243: ".787564\201", /* to IEP */
244: "1936.27\201", /* to ITL */
245: "2.20371\201", /* to NLG */
246: "200.482\201" /* to PTE */
247: };
248:
249: long v93 = 1; /* VIEW 93: ASCII rule default */
250: char v93a[NO_V93][2560] = {
251: /* ASCII */
252: " :, :!,A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201",
253: /* B - BELGIAN */
254: " :, :!,@:a,\\:c,{:e,}:e,\
255: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201,\200:e",
256: /* D - GERMAN */
257: " \001\002 \001\002!\001\002\042\001\002#\001\002$\001\002%\001\002&\001\002\
258: '\001\002(\001\002)\001\002*\001\002+\001\002,\001\002-\001\002.\001\002\
259: /\001\002:\001\002;\001\002<\001\002=\001\002>\001\002?\001\002@\001\002\
260: ^\001\002_\001\002`\001\002A\001a\002B\001b\002C\001c\002D\001d\002E\001e\002\
261: F\001f\002G\001g\002H\001h\002I\001i\002J\001j\002K\001k\002L\001l\002\
262: M\001m\002N\001n\002O\001o\002P\001p\002Q\001q\002R\001r\002S\001s\002\
263: T\001t\002U\001u\002V\001v\002W\001w\002X\001x\002Y\001y\002Z\001z\002\
264: {\001ae\002[\001ae\002|\001oe\002\134\001oe\002}\001ue\002]\001ue\002\
265: ~\001ss\002\200\001e\002\201",
266: /* DK - DANISH */
267: " :, :!,{:ae,|:oe,}:au,~:ue,\
268: 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,\
269: [:ae,\\:oe,]:ao,^:ue,\200:e\201",
270: /* E - SPANISH */
271: " :, :!,|:n,}:c,ll:l,\
272: 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,\
273: \\:n,LL:l\201",
274: /* F - FRENCH */
275: " :, :!,\\:c,{:e,|:u,}:e,\
276: 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",
277: /* I - ITALIAN */
278: " :, :!,\\:c,]:e,`:u,{:a,|:o,}:e,~:i,\
279: 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",
280: /* S - SWEDISH */
281: " :, :!,`:e,{:ae,|:oe,}:ao,~:ue,\
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,\
283: @:e,[:ae,\\:oe,]:ao,~:ue,\200:e,\201"
284: };
285:
286:
287: char glo_prefix[MONTH_LEN] = "^\201"; /* VIEW 96: global prefix */
288: char glo_ext[MONTH_LEN] = "\201"; /* VIEW 97: global postfix */
289: char rou_ext[MONTH_LEN] = ".m\201"; /* VIEW 98: routine extention */
290: long tzoffset = 0L; /* VIEW 99: timer offset */
291: int v100 = 0; /* VIEW 100: return value of kill */
292: char l_o_val[256] = "\201"; /* VIEW 110: local $o/$q data value */
293: char g_o_val[256] = "\201"; /* VIEW 111: global $o/$q data value */
294: int zsavestrategy = TRUE; /* VIEW 133: remember ZLOAD directory on ZSAVE */
295:
296: /* vars for screen save/restore */
297: struct vtstyp *screen = NULL; /* active screen */
298: short jour_flag = 0; /* journal flag 0/1/-1 */
299:
300: /* trace vars for global module */
301: unsigned long traceblk[TRLIM]; /* trace stack - block numbers */
302: short traceadr[TRLIM]; /* - status */
303: short trx; /* - stack pointer */
304: char compactkey[256]; /* internal form of key in global.c */
305:
306: short mcmnd; /* mumps command letter */
307: short arg; /* stack pointer for expr.c */
308: char *argstck[PARDEPTH + 1]; /* stack of pointers to */
309:
310: /* intermediate results */
311:
312: long ordercnt = 0L; /* repeater for $order/$query */
313: short setpiece = FALSE; /* TRUE: set$piece executing */
314: short setop = 0; /* SET op flag */
315: char rou_name[256] =
316: {EOL}; /* $T(+0)/$ZN routine name */
317: char *namstck; /* routine name stack */
318: char *namptr; /* routine name stack pointer */
319: char *framstck; /* DO_frame stack */
320: char *dofrmptr; /* DO_frame stack pointer */
321: char zb[40] = "\201"; /* $ZB last ESC_sequence */
322: char zerror[300] = "\201"; /* $ZE last error */
323: short DSM2err = FALSE; /* enable normal error processing */
324: short nesterr = 0; /* nesterr and callerr contain info */
325: char callerr[NESTLEVLS + 1][40]; /* about call situation at error */
326:
327: char stack0[256] = "\201";
328:
329: char zmc[128] = "\
330: \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\
331: \020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\177\201";
332:
333: /* $ZMC loadable match 'controls' */
334: char zmn[128] = "0123456789\201"; /* $ZMN loadable match 'numerics' */
335:
336: /* $ZMP loadable match 'punctuation' */
337: char zmp[128] = " !\042#$%&'()*+,-./:;<=>?@^_`\201";
338:
339: /* $ZML loadable match 'lowercase' */
340: char zml[128] = "abcdefghijklmnopqrstuvwxyz{|}~\201";
341:
342: /* $ZMU loadable match 'uppercase' */
343: char zmu[128] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]\201";
344:
345: short zerr = OK; /* $ZE numeric error code */
346: char zloc[256] = "\201"; /* $ZL last local reference */
347: char zref[256] = "\201"; /* $ZR last global reference */
348: short nakoffs = 0; /* offset to naked reference */
349: char zfunkey[44][FUNLEN]; /* $ZF function key */
350:
351: typedef struct frm_devstat {
352: short mdc_err;
353: short frm_err;
354: char err_txt[80];
355: } frm_devstat;
356:
357: frm_devstat devstat[MAXDEV + 1]; /* channel statuses for $DEVICE */
358:
359: short xpos[MAXDEV + 1]; /* $X-vector */
360: short ypos[MAXDEV + 1]; /* $Y-vector */
1.6 snw 361: short frm_crlf[MAXDEV + 1]; /* CR/LF flag vector */
1.1 snw 362: short fm_nodelay[MAXDEV + 1]; /* nodelay flag vector */
363:
364: int ESCflag[MAXDEV + 1] =
365: {0, 0, 0, 0, 0}; /* ESC flag */
366:
367: short RightMargin = 0; /* Output Margin. Default no */
368:
369: /* automatic CR/LF */
370: short InFieldLen = 255; /* Input Field length Def: 255 char */
371: long DSW = BIT2 + BIT21; /* Device Status word (Terminal) */
372: char LineTerm[32] = "\012\015\201"; /* Input Line Terminator chars */
373: char BrkKey = 3; /* <INTERRUPT> key Def: CTRL/C */
374: char ug_buf[MAXDEV + 1][256]; /* ungetc-buffers */
375: char devopen[MAXDEV + 1] =
376: {0, 0, 0, 0, 0}; /* 0 not open */
377:
378: /* 'r' input */
379: /* 'w' or 'a' output */
380:
381: /* names of IO devices */
382: char dev[MAXDEV + 1][40] = {
383: " ", /* HOME */
384: "/usr/tmp/mout.1/a\201", /* dev 1 */
385: "/usr/tmp/mout.2/a\201", /* dev 2 */
386: "/usr/tmp/mout.3/a\201", /* dev 3 */
387: "/usr/tmp/mout.4/a\201" /* dev 4 */
388: };
389:
390: char G0I[MAXDEV + 1][257]; /* G0 input translation table */
391: char G0O[MAXDEV + 1][257]; /* G0 output translation table */
392: char G1I[MAXDEV + 1][257]; /* G1 input translation table */
393: char G1O[MAXDEV + 1][257]; /* G1 output translation table */
394:
395: FILE *opnfile[MAXDEV + 1];
396: char act_oucpath[MAXDEV + 1][40] = {"\201", "\201", "\201", "\201", "\201"};
397: char sq_modes[MAXDEV + 1];
398:
399: short olddes[NO_GLOBLS]; /* filedescr of open global files */
400: char oldfil[NO_GLOBLS][1024]; /* names of open global files */
401: long g_ages[NO_GLOBLS]; /* last access of global files */
402: short usage[NO_GLOBLS]; /* usage count of global files */
403: short inuse = 0; /* file in use */
404:
405: int lio_mode = -1;
406: short io = HOME; /* $IO */
407: short test = FALSE; /* $TEST */
408: short pattrnflag = FALSE; /* incomplete match flag */
409: char pattrnchar = EOL; /* incomplete match flag supplement */
410: int zsystem = 0; /* $ZSYSTEM return status of UNIX call */
411: short zcc = FALSE; /* $ZC (ControlC-Flag) */
412:
413: char *rouptr; /* pointer to begin of routine */
414: char *roucur; /* cursor into routine */
415: char *rouend; /* pointer to end of pgm */
416: char *rouins; /* pointer for direct mode insert */
417: short breakon = ENABLE; /* BREAK enable/disable-flag */
418: short zbreakon = DISABLE; /* ZBREAK enable/disable-flag */
419: short zbflag = FALSE; /* 'ZBREAK from terminal'-flag */
420: short zprecise = 100; /* $ZPRECISION of arithmetic */
421: char fp_conversion[10]; /* sprintf conversion constant for ieee754 support */
422: long nrandom; /* random number seed */
423: long ran_a = 24298L; /* random number parameter a */
424: long ran_b = 99991L; /* random number parameter b */
425: long ran_c = 199017L; /* random number parameter c */
426:
427: short usermode = 1; /* 0=user mode 1=programmer mode */
428: int restricted_mode = FALSE; /* TRUE=restricted FALSE=unrestricted */
429: short demomode = FALSE; /* 0=no demo 1=demo mode */
430: int d0char = DEL; /* demomode ouput character */
431: int d1char = CAN; /* demomode '!' character */
432: short cset = FALSE; /* 0=mumps set 1='C' set flag */
433:
434: /* startup flags */
435: int hardcopy = DISABLE; /* hardcopy flag */
436: int frm_filter = FALSE; /* filter flag */
437: int noclear = FALSE; /* noclear flag */
438: int standard = D_FREEM; /* default dialect */
439: int quiet_mode = FALSE; /* quiet mode */
440: char config_file[4096]; /* path to configuration file */
1.7 snw 441: char env_config_file[4096]; /* path to environment config file */
442: char env_user[255];
443: char env_group[255];
1.9 snw 444: char env_enabled[10];
1.1 snw 445: char shm_env[255]; /* shared memory environment */
446:
447: short fp_mode = 0; /* set to 0 for fixed-point math, 1 for IEEE754 floating point */
448: short en_revstrf = 1; /* enable reverse forms of string intrinsics */
449:
450: short ierr; /* immediate error status */
451: short deferred_ierr; /* deferred error status (after returning from a private routine) */
452: char err_suppl[255]; /* supplemental information about an error */
453:
454: long PSIZE = DEFPSIZE; /* size of 'partition' */
455: char *mbpartition; /* memory-backed globals partition */
456: short writing_mb = FALSE;
457: char *partition; /* partition (symbol table) */
458: long symlen = DEFPSIZE; /* 'lower' bound of symbol table */
459: unsigned long alphptr[128] = /* pointers into symbol table */
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: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
463: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
464: char *apartition; /* alternate partition */
465: long asymlen = DEFPSIZE; /* 'lower' bound of symbol table */
466: unsigned long aalphptr[128] = /* pointers into symbol table */
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: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
471:
472: short autopsize = TRUE; /* automatic increase of PSIZE */
473: long svnlen = DEFUDFSVSIZ; /* 'lower' bound of udf_svn_tab */
474: long UDFSVSIZ = DEFUDFSVSIZ; /* size of userdef special var tab. */
475: char *svntable; /* udf special variable table */
476: unsigned long svnaptr[128] = /* pointers into udf_svn_tab */
477: {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
478: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
479: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
480: 0, 0, 0, 0, 0, 0, 0, 0, 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:
482: short autousize = TRUE; /* automatic increase of UDFSVSIZ */
483: long NO_OF_RBUF = DEFNO_OF_RBUF; /* number of routine buffers */
484: long PSIZE0 = DEFPSIZE0; /* size of routine buffers */
485: short autorsize = TRUE; /* automatic increase of PSIZE0 */
486: short aliases = 0; /* aliases pointer */
487: char ali[2000]; /* aliases table */
488: long v22ptr = 0L; /* view 22 aliases pointer */
489: char *v22ali; /* view 22 aliases field */
490: long v22size = 0L; /* current size of aliases field */
491:
492:
493: long NSIZE = DEFNSIZE; /* size of newstack */
494: char *newstack; /* stack for NEWed variables */
495: char *newptr; /* pointer to NEW stack */
496: char *newlimit; /* pointer to NEW stack end */
497:
498: short nstx = 0; /* nest stack: */
499: short nestc[NESTLEVLS + 1]; /* - command (DO...) */
500: char *nestp[NESTLEVLS + 1]; /* - cmdptr */
501: char *nestn[NESTLEVLS + 1]; /* - namptr */
502: long nestr[NESTLEVLS + 1]; /* - roucur */
503: char *nestnew[NESTLEVLS + 1]; /* - newptr */
504: short neste[NESTLEVLS + 1]; /* - was this frame entered as the result of an error? */
505: short nestlt[NESTLEVLS + 1]; /* stack $T / stack levelcount */
506: short brkstk[NESTLEVLS + 1]; /* stack for BREAK information */
507:
508: char ztrap[NESTLEVLS + 2][ZTLEN]; /* $ZTRAP to be xecuted on error */
509:
510:
511: char *s; /* pointer to symlen_offset */
512: char *argptr; /* pointer to beg of tmp-storage */
513:
514: char code[512] =
515: {EOL, EOL}; /* currently interpreted code */
516: char *codptr = code; /* pointer within code[] */
517:
518: char dosave[20]; /* in a FOR range save DO label */
519: char *xdosave;
520:
521: int errfunlvl = 0; /* avoid wrong error message in $$FUN */
522: short repQUIT = 0; /* QUIT repeater */
523:
524: char varnam[256]; /* variable/array/function name */
525: char varerr[256] =
526: {EOL}; /* reference in error message */
527: char *buff; /* routine buffer pool */
528: char pgms[MAXNO_OF_RBUF][40]; /* names of alt.pgms */
529: long ages[MAXNO_OF_RBUF]; /* last call to this pgm */
530: char *ends[MAXNO_OF_RBUF]; /* saved rouend-pointer */
531: char path[MAXNO_OF_RBUF][256]; /* directory where routine was loaded */
532: rtn_flags rbuf_flags[MAXNO_OF_RBUF]; /* per-routine flags */
533:
534: char glopath[PATHLEN]; /* path to access globals */
535: char rou0path[PATHLEN]; /* routine access with DO,GOTO,JOB */
536: char rou1path[PATHLEN]; /* routine access with ZL,ZS */
537: char gloplib[PATHLEN]; /* path to access %globals */
538:
539: char gbl_u_engine[255]; /* user global engine */
540: char gbl_s_engine[255]; /* system global engine */
541: char loc_engine[255]; /* local engine */
542:
543: unsigned long int bdb_flush_threshold;
544:
545: char rou0plib[PATHLEN]; /* %routine path (DO..) */
546: char rou1plib[PATHLEN]; /* %routine path (ZL..) */
547: char oucpath[PATHLEN] = "\201"; /* OPEN/USE/CLOSE path */
548: char zargdefname[PATHLEN]= "%\201"; /* default varname for Z-commands */
549: FILE *jouraccess; /* dto. filedes */
550: char curdir[256] = "."; /* current directory */
551:
552: char startuprou[PATHLEN] = "\201"; /* start up routine from cmdline*/
553:
554: char zcommds[256] =
1.8 snw 555: " za zas zb zd zg zh zi zj zl zn zp zq zr zs zt zwr zbreak \
1.1 snw 556: zgo zhalt zinsert zjob zload znamespace zprint zquit zremove zsave ztrap zwrite \201"; /* intrinsic z-commands */
557: char zfunctions[256] = /* intrinsic z-functions */
558: " zb zc zd ze zh zht zk zl zm zn zo zp zr zs zt zboolean zcall zcr zcrc zdata zdate zedit zhorolog \
559: zkey zlength zlsd zname znext zorder zpiece zprevious zreplace zsyntax zsort ztime \201";
560: char zsvn[256] = /* intrinsic z-special variables */
561: " za zb zc zd ze zf zh zi zj zl zmc zmn zmp zma zml zmu zme zn zo zp zs zt zu zv \
562: zcontrolc zdate zerror zname zhorolog zinrpt zjob zlocal zorder zprecision zsystem ztime ztr ztrap zuuid zut zversion \201";
563: char brkaction[256] = "\201"; /* action in case of BREAK */
564: pid_t father = 0; /* JOB-ID of father process */
565: char jour_hostid[256];
566: /* date types parameters */
567: char month[NO_DATETYPE][12][MONTH_LEN] = {
568: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
569: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
570: {"JAN\201", "FEB\201", "MAR\201", "APR\201", "MAY\201", "JUN\201", "JUL\201", "AUG\201", "SEP\201", "OCT\201", "NOV\201", "DEC\201"},
571: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
572: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
573: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
574: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\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: };
577: char dat1char[NO_DATETYPE][MONTH_LEN] = /* date 1st delimiter */
578: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
579: char dat2char[NO_DATETYPE][MONTH_LEN] = /* date 2nd delimmiter */
580: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
581: char dat3char[NO_DATETYPE] =
582: {'0', '0', '0', '0', '\201', '\201', '\201', '0'}; /* date day justify char */
583: char dat4flag[NO_DATETYPE] =
584: {2, 1, 0, 0, 0, 0, 0, 0}; /* 0=DMY, 1=MDY, 2=YMD */
585: char dat5flag[NO_DATETYPE] =
586: {0, 1, 1, 1, 1, 1, 0, 1}; /* suppress century digits */
587: long int datGRbeg[NO_DATETYPE] =
588: {578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L};
589:
590: /* first day of gregorian calendar 15-OCT-1582 ($H+672411) */
591: int datetype = 0; /* type for $zd special variable */
592:
593: char tim1char[NO_TIMETYPE] =
594: {':', ':'}; /* time 1st delimiter */
595: char tim2char[NO_TIMETYPE] =
596: {':', ':'}; /* time 2nd delimiter */
597: char tim3char[NO_TIMETYPE] =
598: {SP, SP}; /* time hour justify char */
599: char tim4flag[NO_TIMETYPE] =
600: {0, 1}; /* 0=24 Hrs 1=12 Hrs */
601: char tim5flag[NO_TIMETYPE] =
602: {0, 0}; /* suppress seconds */
603: int timetype = 0; /* type for $zt special variable */
604:
605: jmp_buf sjbuf;
606: char *roucu0;
607: char *dofram0;
608:
609: short forx = 0; /* FOR stack pointer */
610: char forvar[NESTLEVLS + 1][40], /* FOR variable */
611: forinc[NESTLEVLS + 1][40], /* FOR increment */
612: forpost[NESTLEVLS + 1][128], /* FOR postconditional */
613: forlim[NESTLEVLS + 1][40]; /* FOR limit value */
614: short fortyp[NESTLEVLS + 1]; /* 0 = forever 1 = single, */
615:
616: /* 2 = unlim.iter,3 = limit iter. */
617: /* 4 = "" +inc=1 5 = "" + inc=1 */
618: short fori[NESTLEVLS + 1]; /* if fortyp=5 length of forlimit */
619:
620: char *fvar; /* current forvar */
621: char *finc; /* current forinc */
622: char *fpost; /* current forpost */
623: char *flim; /* current forlim */
624: short ftyp; /* current fortyp */
625: short fi; /* current fori */
626: short forsw = FALSE; /* FOR switch */
627: short loadsw = TRUE; /* flag to avoid redundant loads */
628: short argless_forsw_quit = FALSE; /* QUIT from argumentless FOR */
629: short sigint_in_for = FALSE;
630: short direct_mode = TRUE; /* are we in direct mode? */
631:
632: short extr_types[NESTLEVLS + 1]; /* return types of extrinsic functions */
1.11 snw 633: char destructors[MAX_DESTRUCTORS][OBJ_DSTRSIZE];
1.1 snw 634: int destructor_ct;
635: char private_keys[MAX_PRIVATE_KEYS][255];
636:
637: /* after XECUTEs */
638: short promflag = TRUE; /* prompt execute flag */
639: short privflag = FALSE; /* extrinsic z-command flag */
640:
641:
642: char *cmdstack;
643: char *cmdptr;
644:
645: short offset;
646: long frm_timeout;
647: short timeoutms;
648: char tmp4[80] = "\201";
649: short param = 0; /* parameter count */
650: short paramx = 0; /* current parameter */
651: short level = 0; /* level count */
652: pid_t pid; /* $J = process ID */
653:
654: char nsname[256] = "USER\0"; /* namespace name */
655: char nsroot[4096]; /* root path of namespace */
656: char *freem_path; /* path to the running instance of FreeM */
657: char history_file[256]; /* path to the history file */
658: int n_lines;
659: int n_columns;
660:
661: short ipc_pending = 0; /* 1 if an incoming IPC is pending, 0 otherwise */
662:
663: int strict_mode = 0;
664:
1.14 snw 665: int trace_mode = 0;
1.16 ! snw 666: short debug_mode = FALSE;
! 667: int lasterr[NESTLEVLS + 1];
1.14 snw 668:
1.1 snw 669: short first_process = FALSE;
1.12 snw 670: #if defined(__FreeBSD__)
671: size_t shm_init_size = 4194304;
672: #else
673: size_t shm_init_size = 16777216;
674: #endif
1.1 snw 675: short inrpt_after_async = FALSE;
676:
677: void unnew (void)
678: {
679: char *xptr;
680: int i;
681: long j;
682: char tmp[256];
683:
684: #ifdef DEBUG_NEWPTR
685: int loop;
686: printf("Un-Newing: ");
687: printf("[nstx] nstx is %d\r\n",nstx);
688: printf("[nestnew] nestnew[nstx] is %d\r\n",nestnew[nstx]);
689: #endif
690:
691:
692: xptr = nestnew[nstx]; /* get position of newpointer */
693:
694: while (xptr < newptr) {
695: i = *--newptr;
696:
697: if (i != kill_all) {
698: j = UNSIGN (*--newptr);
699: newptr -= (j + 1);
700: stcpy0 (varnam, newptr, j + 1);
701:
702: if (i == set_sym) {
703: j = UNSIGN (*--newptr);
704: newptr -= (j + 1);
705: stcpy (tmp, newptr);
706: }
707: else {
708: tmp[0] = EOL;
709: }
710: }
711: else {
712: varnam[0] = EOL;
713: tmp[0] = EOL;
714: }
715:
716: if (varnam[0] == '$') {
717: if (varnam[1] == 't') test = tmp[0]; /* pop $TEST */
718: else if (varnam[1] == 'j') pid = UNSIGN (tmp[0]) * 256 + UNSIGN (tmp[1]); /* pop $job */
719: else if (varnam[1] == 'z' && varnam[2] == 'i') breakon = tmp[0]; /* pop $zinrpt */
720: else if (varnam[1] == 'e' && varnam[2] == 't') { /* pop $etrap */
721: stcpy (etrap, tmp);
722: }
723: else if (varnam[1] == 'e' && varnam[2] == 's') { /* pop $estack */
724: char esbuf[256];
725:
726: stcpy (esbuf, tmp);
727: stcnv_m2c (esbuf);
728:
729: estack = atoi (esbuf);
730: }
731: else { /* pop $reference/$zreference */
732: stcpy (zref, tmp);
733: nakoffs = UNSIGN (varnam[4]);
734: }
735:
736: continue;
737: }
738: symtab (i, varnam, tmp);
739: }
740:
741: newptr = nestnew[nstx];
742: nestnew[nstx] = 0; /* reset pointers */
743:
744: return;
745:
746: } /* end unnew() */
747:
748: void m_fatal(char *s)
749: {
750: int errno_sav;
751: errno_sav = errno;
752:
753: set_io (UNIX);
754:
755:
756: if (tp_level) {
1.13 snw 757: /* TODO: make this FM_LOG_FATAL (logger will need to do a tp_trollback) */
758: 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 759: tp_trollback (tp_level);
760: }
761: else {
1.13 snw 762: logprintf (FM_LOG_FATAL, "freem: memory allocation failure in %s (error code %d [%s])", s, errno_sav, strerror (errno_sav));
1.1 snw 763: }
764:
765: exit (3);
766: }
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