Annotation of freem/src/frmgbl.c, revision 1.7
1.1 snw 1: /*
1.7 ! snw 2: * $Id: frmgbl.c,v 1.6 2025/03/24 04:05:36 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 $
1.7 ! snw 27: * Revision 1.6 2025/03/24 04:05:36 snw
! 28: * Replace crlf with frm_crlf to avoid symbol conflict with readline on OS/2
! 29: *
1.6 snw 30: * Revision 1.5 2025/03/09 19:14:25 snw
31: * First phase of REUSE compliance and header reformat
32: *
1.5 snw 33: *
34: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
35: * SPDX-License-Identifier: AGPL-3.0-or-later
1.1 snw 36: **/
37:
38: /* needed if byte data are to be interpreted as unsigned integer */
39: #include <stdlib.h>
40: #include <setjmp.h>
41: #include <signal.h>
42: #include <stdio.h>
43: #include "mpsdef0.h"
44: #include <fcntl.h>
45: #include <unistd.h>
46: #include <string.h>
47: #include <sys/types.h>
48: #include <sys/wait.h>
49: #include "transact.h"
50: #include "locktab.h"
51: #include <errno.h>
52:
53: #ifdef LIBFREEM
54: # include "errmsg.h"
55: #endif
56:
57: #define UNSIGN(A) ((A)&0377)
58:
59: #define g_EOL 30
60: #define POINT 28
61: #define MINUS 26
62:
63: #define ROOT 0L
64: /* length of blocks. status bytes defined as offset to blocklength */
65: #define DATALIM (BLOCKLEN-11)
66: #define LLPTR (BLOCKLEN-10)
67: #define NRBLK LLPTR
68: #define RLPTR (BLOCKLEN- 6)
69: #define FREE RLPTR
70: #define BTYP (BLOCKLEN- 3)
71: #define OFFS (BLOCKLEN- 2)
72:
73: #define EMPTY 0
74: #define FBLK 1
75: #define POINTER 2
76: #define BOTTOM 6
77: #define DATA 8
78:
79: #define PROTECT 30
80:
81:
82: #ifndef SYSFIVE
83: #define FreeM_timezone -3600
84: #else
85:
86: #ifdef __CYGWIN__
87: #define FreeM_timezone _timezone
88: #else
89: long FreeM_timezone;
90: #endif /* __CYGWIN__ */
91:
92: #endif /* SYSFIVE */
93:
94: #if defined(__CYGWIN__)
95: # define FreeM_timezone _timezone
96: #endif
97:
98: /* mumps commands */
99: #define BREAK 'b'
100: #define CLOSE 'c'
101: #define DO 'd'
102: #define DO_BLOCK 2
103: #define ELSE 'e'
104: #define FOR 'f'
105: #define GOTO 'g'
106: #define HA 'h'
107: #define HALT '0'
108: #define HANG '1'
109: #define IF 'i'
110: #define JOB 'j'
111: #define KILL 'k'
112: #define LOCK 'l'
113: #define NEW 'n'
114: #define OPEN 'o'
115: #define QUIT 'q'
116: #define READ 'r'
117: #define SET 's'
118: #define USE 'u'
119: #define VIEW 'v'
120: #define WRITE 'w'
121: #define XECUTE 'x'
122:
123: #define ZALLOCATE 'A'
124: #define ZBREAK 'B'
125: #define ZDEALLOCATE 'D'
126: #define ZGO 'G'
127: #define ZHALT 'H'
128: #define ZINSERT 'I'
129: #define ZJOB 'J'
130: #define ZLOAD 'L'
131: #define ZNEW 'N'
132: #define ZPRINT 'P'
133: #define ZQUIT 'Q'
134: #define ZREMOVE 'R'
135: #define ZSAVE 'S'
136: #define ZTRAP 'T'
137: #define ZWRITE 'W'
138: #define PRIVATE SP
139:
140: #if defined(HAVE_MWAPI_MOTIF)
141: # include <Xm/Xm.h>
142: XtAppContext mwapi_context;
143: #endif
144:
145: short run_daemon = FALSE;
146: short nofork = FALSE;
147: char *pid_file_path;
148: int pid_fd;
149:
150: /* USING and WITH */
151: char i_using[STRLEN] = {'\201'};
152: char i_with[STRLEN] = {'\201'};
153:
154: /* common definitions for all mumps modules */
155: /* same as external definition in include_file mpsdef */
156:
157: extern int errno; /* external error code for systemcalls */
158:
159: int m_argc; /* arguments count */
160: char **m_argv; /* arguments string */
161: char **m_envp; /* environment pointer */
162:
163: short frm_throw_all_errors = 1;
164:
165: /* glvn size parameters */
166: union four_fl {
167: long unsigned all;
168: char one[4];
169: } glvnflag; /* [0] unique name chars 0=no limit */
170:
171: /* [1] case sensitivity flag 0=sensitive */
172: /* [2] max. name+subscripts 0=no limit */
173: /* [3] max. length of a subscript 0=no limit */
174: int libflag = FALSE; /* running as library? */
175: int lonelyflag = FALSE; /* single user flag */
176: int lowerflag = TRUE; /* lowercase everywhere flag */
177: int killerflag = TRUE; /* SIGTERM handling flag */
178: int huperflag = TRUE; /* SIGHUP handling flag */
179: int s_fun_flag = TRUE; /* VIEW 70: ZSORT/ZSYNTAX flag */
180: int n_fun_flag = TRUE; /* VIEW 71: ZNEXT/ZNAME flag */
181: int p_fun_flag = TRUE; /* VIEW 72: ZPREVIOUS/ZPIECE flag */
182: int d_fun_flag = TRUE; /* VIEW 73: ZDATA/ZDATE flag */
183: int zjobflag = TRUE; /* VIEW 79: old ZJOB vs. new ZJOB flag */
184: int eightbit = TRUE; /* VIEW 80: 7 vs. 8 bit flag */
185: int PF1flag = FALSE; /* VIEW 81: PF1 flag */
186: int ordercounter = 0; /* VIEW 82: order counter */
187: int etxtflag = FALSE; /* VIEW 83: text in $ZE flag */
188: char lvndefault[256] = "\201"; /* VIEW 89: UNDEF lvn default */
189: char gvndefault[256] = "\201"; /* VIEW 90: UNDEF gvn default */
190: char exfdefault[256] = "\201"; /* VIEW 91: missing QUIT expr default */
191: int typemmflag = FALSE; /* VIEW 92: EUR2DEM: type mismatch error */
192: int namespace = 0; /* VIEW 200: namespace index */
193: int config = 0; /* VIEW 201: configuration index */
194: char WHR[12][4] = { /* names of currencies */
195: "\201",
196: "EUR\201",
197: "ATS\201",
198: "BFR\201",
199: "DEM\201",
200: "ESP\201",
201: "FMK\201",
202: "FRF\201",
203: "IEP\201",
204: "ITL\201",
205: "NLG\201",
206: "PTE\201"
207: };
208:
209: char EUR2WHR[12][9] = { /* conversion factors EUR to ... */
210: "\201", /* dont care */
211: "1\201", /* to EUR */
212: "13.7603\201", /* to ATS */
213: "40.3399\201", /* to BFR */
214: "1.95583\201", /* to DEM (DM) */
215: "166.386\201", /* to ESP */
216: "5.94573\201", /* to FMK */
217: "6.55957\201", /* to FRF (FF) */
218: ".787564\201", /* to IEP */
219: "1936.27\201", /* to ITL */
220: "2.20371\201", /* to NLG */
221: "200.482\201" /* to PTE */
222: };
223:
224: long v93 = 1; /* VIEW 93: ASCII rule default */
225: char v93a[NO_V93][2560] = {
226: /* ASCII */
227: " :, :!,A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201",
228: /* B - BELGIAN */
229: " :, :!,@:a,\\:c,{:e,}:e,\
230: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201,\200:e",
231: /* D - GERMAN */
232: " \001\002 \001\002!\001\002\042\001\002#\001\002$\001\002%\001\002&\001\002\
233: '\001\002(\001\002)\001\002*\001\002+\001\002,\001\002-\001\002.\001\002\
234: /\001\002:\001\002;\001\002<\001\002=\001\002>\001\002?\001\002@\001\002\
235: ^\001\002_\001\002`\001\002A\001a\002B\001b\002C\001c\002D\001d\002E\001e\002\
236: F\001f\002G\001g\002H\001h\002I\001i\002J\001j\002K\001k\002L\001l\002\
237: M\001m\002N\001n\002O\001o\002P\001p\002Q\001q\002R\001r\002S\001s\002\
238: T\001t\002U\001u\002V\001v\002W\001w\002X\001x\002Y\001y\002Z\001z\002\
239: {\001ae\002[\001ae\002|\001oe\002\134\001oe\002}\001ue\002]\001ue\002\
240: ~\001ss\002\200\001e\002\201",
241: /* DK - DANISH */
242: " :, :!,{:ae,|:oe,}:au,~:ue,\
243: 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,\
244: [:ae,\\:oe,]:ao,^:ue,\200:e\201",
245: /* E - SPANISH */
246: " :, :!,|:n,}:c,ll:l,\
247: 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,\
248: \\:n,LL:l\201",
249: /* F - FRENCH */
250: " :, :!,\\:c,{:e,|:u,}:e,\
251: 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",
252: /* I - ITALIAN */
253: " :, :!,\\:c,]:e,`:u,{:a,|:o,}:e,~:i,\
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: /* S - SWEDISH */
256: " :, :!,`:e,{:ae,|:oe,}:ao,~:ue,\
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,\
258: @:e,[:ae,\\:oe,]:ao,~:ue,\200:e,\201"
259: };
260:
261:
262: char glo_prefix[MONTH_LEN] = "^\201"; /* VIEW 96: global prefix */
263: char glo_ext[MONTH_LEN] = "\201"; /* VIEW 97: global postfix */
264: char rou_ext[MONTH_LEN] = ".m\201"; /* VIEW 98: routine extention */
265: long tzoffset = 0L; /* VIEW 99: timer offset */
266: int v100 = 0; /* VIEW 100: return value of kill */
267: char l_o_val[256] = "\201"; /* VIEW 110: local $o/$q data value */
268: char g_o_val[256] = "\201"; /* VIEW 111: global $o/$q data value */
269: int zsavestrategy = TRUE; /* VIEW 133: remember ZLOAD directory on ZSAVE */
270:
271: /* vars for screen save/restore */
272: struct vtstyp *screen = NULL; /* active screen */
273: short jour_flag = 0; /* journal flag 0/1/-1 */
274:
275: /* trace vars for global module */
276: unsigned long traceblk[TRLIM]; /* trace stack - block numbers */
277: short traceadr[TRLIM]; /* - status */
278: short trx; /* - stack pointer */
279: char compactkey[256]; /* internal form of key in global.c */
280:
281: short mcmnd; /* mumps command letter */
282: short arg; /* stack pointer for expr.c */
283: char *argstck[PARDEPTH + 1]; /* stack of pointers to */
284:
285: /* intermediate results */
286:
287: long ordercnt = 0L; /* repeater for $order/$query */
288: short setpiece = FALSE; /* TRUE: set$piece executing */
289: short setop = 0; /* SET op flag */
290: char rou_name[256] =
291: {EOL}; /* $T(+0)/$ZN routine name */
292: char *namstck; /* routine name stack */
293: char *namptr; /* routine name stack pointer */
294: char *framstck; /* DO_frame stack */
295: char *dofrmptr; /* DO_frame stack pointer */
296: char zb[40] = "\201"; /* $ZB last ESC_sequence */
297: char zerror[300] = "\201"; /* $ZE last error */
298: short DSM2err = FALSE; /* enable normal error processing */
299: short nesterr = 0; /* nesterr and callerr contain info */
300: char callerr[NESTLEVLS + 1][40]; /* about call situation at error */
301:
302: char stack0[256] = "\201";
303:
304: char zmc[128] = "\
305: \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\
306: \020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\177\201";
307:
308: /* $ZMC loadable match 'controls' */
309: char zmn[128] = "0123456789\201"; /* $ZMN loadable match 'numerics' */
310:
311: /* $ZMP loadable match 'punctuation' */
312: char zmp[128] = " !\042#$%&'()*+,-./:;<=>?@^_`\201";
313:
314: /* $ZML loadable match 'lowercase' */
315: char zml[128] = "abcdefghijklmnopqrstuvwxyz{|}~\201";
316:
317: /* $ZMU loadable match 'uppercase' */
318: char zmu[128] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]\201";
319:
320: short zerr = OK; /* $ZE numeric error code */
321: char zloc[256] = "\201"; /* $ZL last local reference */
322: char zref[256] = "\201"; /* $ZR last global reference */
323: short nakoffs = 0; /* offset to naked reference */
324: char zfunkey[44][FUNLEN]; /* $ZF function key */
325:
326: typedef struct frm_devstat {
327: short mdc_err;
328: short frm_err;
329: char err_txt[80];
330: } frm_devstat;
331:
332: frm_devstat devstat[MAXDEV + 1]; /* channel statuses for $DEVICE */
333:
334: short xpos[MAXDEV + 1]; /* $X-vector */
335: short ypos[MAXDEV + 1]; /* $Y-vector */
1.6 snw 336: short frm_crlf[MAXDEV + 1]; /* CR/LF flag vector */
1.1 snw 337: short fm_nodelay[MAXDEV + 1]; /* nodelay flag vector */
338:
339: int ESCflag[MAXDEV + 1] =
340: {0, 0, 0, 0, 0}; /* ESC flag */
341:
342: short RightMargin = 0; /* Output Margin. Default no */
343:
344: /* automatic CR/LF */
345: short InFieldLen = 255; /* Input Field length Def: 255 char */
346: long DSW = BIT2 + BIT21; /* Device Status word (Terminal) */
347: char LineTerm[32] = "\012\015\201"; /* Input Line Terminator chars */
348: char BrkKey = 3; /* <INTERRUPT> key Def: CTRL/C */
349: char ug_buf[MAXDEV + 1][256]; /* ungetc-buffers */
350: char devopen[MAXDEV + 1] =
351: {0, 0, 0, 0, 0}; /* 0 not open */
352:
353: /* 'r' input */
354: /* 'w' or 'a' output */
355:
356: /* names of IO devices */
357: char dev[MAXDEV + 1][40] = {
358: " ", /* HOME */
359: "/usr/tmp/mout.1/a\201", /* dev 1 */
360: "/usr/tmp/mout.2/a\201", /* dev 2 */
361: "/usr/tmp/mout.3/a\201", /* dev 3 */
362: "/usr/tmp/mout.4/a\201" /* dev 4 */
363: };
364:
365: char G0I[MAXDEV + 1][257]; /* G0 input translation table */
366: char G0O[MAXDEV + 1][257]; /* G0 output translation table */
367: char G1I[MAXDEV + 1][257]; /* G1 input translation table */
368: char G1O[MAXDEV + 1][257]; /* G1 output translation table */
369:
370: FILE *opnfile[MAXDEV + 1];
371: char act_oucpath[MAXDEV + 1][40] = {"\201", "\201", "\201", "\201", "\201"};
372: char sq_modes[MAXDEV + 1];
373:
374: short olddes[NO_GLOBLS]; /* filedescr of open global files */
375: char oldfil[NO_GLOBLS][1024]; /* names of open global files */
376: long g_ages[NO_GLOBLS]; /* last access of global files */
377: short usage[NO_GLOBLS]; /* usage count of global files */
378: short inuse = 0; /* file in use */
379:
380: int lio_mode = -1;
381: short io = HOME; /* $IO */
382: short test = FALSE; /* $TEST */
383: short pattrnflag = FALSE; /* incomplete match flag */
384: char pattrnchar = EOL; /* incomplete match flag supplement */
385: int zsystem = 0; /* $ZSYSTEM return status of UNIX call */
386: short zcc = FALSE; /* $ZC (ControlC-Flag) */
387:
388: char *rouptr; /* pointer to begin of routine */
389: char *roucur; /* cursor into routine */
390: char *rouend; /* pointer to end of pgm */
391: char *rouins; /* pointer for direct mode insert */
392: short breakon = ENABLE; /* BREAK enable/disable-flag */
393: short zbreakon = DISABLE; /* ZBREAK enable/disable-flag */
394: short zbflag = FALSE; /* 'ZBREAK from terminal'-flag */
395: short zprecise = 100; /* $ZPRECISION of arithmetic */
396: char fp_conversion[10]; /* sprintf conversion constant for ieee754 support */
397: long nrandom; /* random number seed */
398: long ran_a = 24298L; /* random number parameter a */
399: long ran_b = 99991L; /* random number parameter b */
400: long ran_c = 199017L; /* random number parameter c */
401:
402: short usermode = 1; /* 0=user mode 1=programmer mode */
403: int restricted_mode = FALSE; /* TRUE=restricted FALSE=unrestricted */
404: short demomode = FALSE; /* 0=no demo 1=demo mode */
405: int d0char = DEL; /* demomode ouput character */
406: int d1char = CAN; /* demomode '!' character */
407: short cset = FALSE; /* 0=mumps set 1='C' set flag */
408:
409: /* startup flags */
410: int hardcopy = DISABLE; /* hardcopy flag */
411: int frm_filter = FALSE; /* filter flag */
412: int noclear = FALSE; /* noclear flag */
413: int standard = D_FREEM; /* default dialect */
414: int quiet_mode = FALSE; /* quiet mode */
415: char config_file[4096]; /* path to configuration file */
1.7 ! snw 416: char env_config_file[4096]; /* path to environment config file */
! 417: char env_user[255];
! 418: char env_group[255];
1.1 snw 419: char shm_env[255]; /* shared memory environment */
420:
421: short fp_mode = 0; /* set to 0 for fixed-point math, 1 for IEEE754 floating point */
422: short en_revstrf = 1; /* enable reverse forms of string intrinsics */
423:
424: short ierr; /* immediate error status */
425: short deferred_ierr; /* deferred error status (after returning from a private routine) */
426: char err_suppl[255]; /* supplemental information about an error */
427:
428: long PSIZE = DEFPSIZE; /* size of 'partition' */
429: char *mbpartition; /* memory-backed globals partition */
430: short writing_mb = FALSE;
431: char *partition; /* partition (symbol table) */
432: long symlen = DEFPSIZE; /* 'lower' bound of symbol table */
433: unsigned long alphptr[128] = /* pointers into symbol table */
434: {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
435: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
436: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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: char *apartition; /* alternate partition */
439: long asymlen = DEFPSIZE; /* 'lower' bound of symbol table */
440: unsigned long aalphptr[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:
446: short autopsize = TRUE; /* automatic increase of PSIZE */
447: long svnlen = DEFUDFSVSIZ; /* 'lower' bound of udf_svn_tab */
448: long UDFSVSIZ = DEFUDFSVSIZ; /* size of userdef special var tab. */
449: char *svntable; /* udf special variable table */
450: unsigned long svnaptr[128] = /* pointers into udf_svn_tab */
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: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
453: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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:
456: short autousize = TRUE; /* automatic increase of UDFSVSIZ */
457: long NO_OF_RBUF = DEFNO_OF_RBUF; /* number of routine buffers */
458: long PSIZE0 = DEFPSIZE0; /* size of routine buffers */
459: short autorsize = TRUE; /* automatic increase of PSIZE0 */
460: short aliases = 0; /* aliases pointer */
461: char ali[2000]; /* aliases table */
462: long v22ptr = 0L; /* view 22 aliases pointer */
463: char *v22ali; /* view 22 aliases field */
464: long v22size = 0L; /* current size of aliases field */
465:
466:
467: long NSIZE = DEFNSIZE; /* size of newstack */
468: char *newstack; /* stack for NEWed variables */
469: char *newptr; /* pointer to NEW stack */
470: char *newlimit; /* pointer to NEW stack end */
471:
472: short nstx = 0; /* nest stack: */
473: short nestc[NESTLEVLS + 1]; /* - command (DO...) */
474: char *nestp[NESTLEVLS + 1]; /* - cmdptr */
475: char *nestn[NESTLEVLS + 1]; /* - namptr */
476: long nestr[NESTLEVLS + 1]; /* - roucur */
477: char *nestnew[NESTLEVLS + 1]; /* - newptr */
478: short neste[NESTLEVLS + 1]; /* - was this frame entered as the result of an error? */
479: short nestlt[NESTLEVLS + 1]; /* stack $T / stack levelcount */
480: short brkstk[NESTLEVLS + 1]; /* stack for BREAK information */
481:
482: char ztrap[NESTLEVLS + 2][ZTLEN]; /* $ZTRAP to be xecuted on error */
483:
484:
485: char *s; /* pointer to symlen_offset */
486: char *argptr; /* pointer to beg of tmp-storage */
487:
488: char code[512] =
489: {EOL, EOL}; /* currently interpreted code */
490: char *codptr = code; /* pointer within code[] */
491:
492: char dosave[20]; /* in a FOR range save DO label */
493: char *xdosave;
494:
495: int errfunlvl = 0; /* avoid wrong error message in $$FUN */
496: short repQUIT = 0; /* QUIT repeater */
497:
498: char varnam[256]; /* variable/array/function name */
499: char varerr[256] =
500: {EOL}; /* reference in error message */
501: char *buff; /* routine buffer pool */
502: char pgms[MAXNO_OF_RBUF][40]; /* names of alt.pgms */
503: long ages[MAXNO_OF_RBUF]; /* last call to this pgm */
504: char *ends[MAXNO_OF_RBUF]; /* saved rouend-pointer */
505: char path[MAXNO_OF_RBUF][256]; /* directory where routine was loaded */
506: rtn_flags rbuf_flags[MAXNO_OF_RBUF]; /* per-routine flags */
507:
508: char glopath[PATHLEN]; /* path to access globals */
509: char rou0path[PATHLEN]; /* routine access with DO,GOTO,JOB */
510: char rou1path[PATHLEN]; /* routine access with ZL,ZS */
511: char gloplib[PATHLEN]; /* path to access %globals */
512:
513: char gbl_u_engine[255]; /* user global engine */
514: char gbl_s_engine[255]; /* system global engine */
515: char loc_engine[255]; /* local engine */
516:
517: unsigned long int bdb_flush_threshold;
518:
519: char rou0plib[PATHLEN]; /* %routine path (DO..) */
520: char rou1plib[PATHLEN]; /* %routine path (ZL..) */
521: char oucpath[PATHLEN] = "\201"; /* OPEN/USE/CLOSE path */
522: char zargdefname[PATHLEN]= "%\201"; /* default varname for Z-commands */
523: char jourfile[PATHLEN] = "/usr/tmp/ioprotocol"; /* journal file */
524: FILE *jouraccess; /* dto. filedes */
525: char curdir[256] = "."; /* current directory */
526:
527: char startuprou[PATHLEN] = "\201"; /* start up routine from cmdline*/
528:
529: char zcommds[256] =
530: " za zas zb zd zg zh zi zj zl zn zp zq zr zs zt zwr zallocate zbreak zdeallocate \
531: zgo zhalt zinsert zjob zload znamespace zprint zquit zremove zsave ztrap zwrite \201"; /* intrinsic z-commands */
532: char zfunctions[256] = /* intrinsic z-functions */
533: " zb zc zd ze zh zht zk zl zm zn zo zp zr zs zt zboolean zcall zcr zcrc zdata zdate zedit zhorolog \
534: zkey zlength zlsd zname znext zorder zpiece zprevious zreplace zsyntax zsort ztime \201";
535: char zsvn[256] = /* intrinsic z-special variables */
536: " za zb zc zd ze zf zh zi zj zl zmc zmn zmp zma zml zmu zme zn zo zp zs zt zu zv \
537: zcontrolc zdate zerror zname zhorolog zinrpt zjob zlocal zorder zprecision zsystem ztime ztr ztrap zuuid zut zversion \201";
538: char brkaction[256] = "\201"; /* action in case of BREAK */
539: pid_t father = 0; /* JOB-ID of father process */
540: char jour_hostid[256];
541: /* date types parameters */
542: char month[NO_DATETYPE][12][MONTH_LEN] = {
543: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
544: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
545: {"JAN\201", "FEB\201", "MAR\201", "APR\201", "MAY\201", "JUN\201", "JUL\201", "AUG\201", "SEP\201", "OCT\201", "NOV\201", "DEC\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: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
548: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\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: {"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: };
552: char dat1char[NO_DATETYPE][MONTH_LEN] = /* date 1st delimiter */
553: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
554: char dat2char[NO_DATETYPE][MONTH_LEN] = /* date 2nd delimmiter */
555: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
556: char dat3char[NO_DATETYPE] =
557: {'0', '0', '0', '0', '\201', '\201', '\201', '0'}; /* date day justify char */
558: char dat4flag[NO_DATETYPE] =
559: {2, 1, 0, 0, 0, 0, 0, 0}; /* 0=DMY, 1=MDY, 2=YMD */
560: char dat5flag[NO_DATETYPE] =
561: {0, 1, 1, 1, 1, 1, 0, 1}; /* suppress century digits */
562: long int datGRbeg[NO_DATETYPE] =
563: {578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L};
564:
565: /* first day of gregorian calendar 15-OCT-1582 ($H+672411) */
566: int datetype = 0; /* type for $zd special variable */
567:
568: char tim1char[NO_TIMETYPE] =
569: {':', ':'}; /* time 1st delimiter */
570: char tim2char[NO_TIMETYPE] =
571: {':', ':'}; /* time 2nd delimiter */
572: char tim3char[NO_TIMETYPE] =
573: {SP, SP}; /* time hour justify char */
574: char tim4flag[NO_TIMETYPE] =
575: {0, 1}; /* 0=24 Hrs 1=12 Hrs */
576: char tim5flag[NO_TIMETYPE] =
577: {0, 0}; /* suppress seconds */
578: int timetype = 0; /* type for $zt special variable */
579:
580: jmp_buf sjbuf;
581: char *roucu0;
582: char *dofram0;
583:
584: short forx = 0; /* FOR stack pointer */
585: char forvar[NESTLEVLS + 1][40], /* FOR variable */
586: forinc[NESTLEVLS + 1][40], /* FOR increment */
587: forpost[NESTLEVLS + 1][128], /* FOR postconditional */
588: forlim[NESTLEVLS + 1][40]; /* FOR limit value */
589: short fortyp[NESTLEVLS + 1]; /* 0 = forever 1 = single, */
590:
591: /* 2 = unlim.iter,3 = limit iter. */
592: /* 4 = "" +inc=1 5 = "" + inc=1 */
593: short fori[NESTLEVLS + 1]; /* if fortyp=5 length of forlimit */
594:
595: char *fvar; /* current forvar */
596: char *finc; /* current forinc */
597: char *fpost; /* current forpost */
598: char *flim; /* current forlim */
599: short ftyp; /* current fortyp */
600: short fi; /* current fori */
601: short forsw = FALSE; /* FOR switch */
602: short loadsw = TRUE; /* flag to avoid redundant loads */
603: short argless_forsw_quit = FALSE; /* QUIT from argumentless FOR */
604: short sigint_in_for = FALSE;
605: short direct_mode = TRUE; /* are we in direct mode? */
606:
607: short extr_types[NESTLEVLS + 1]; /* return types of extrinsic functions */
608: char destructors[MAX_DESTRUCTORS][50];
609: int destructor_ct;
610: char private_keys[MAX_PRIVATE_KEYS][255];
611:
612: /* after XECUTEs */
613: short promflag = TRUE; /* prompt execute flag */
614: short privflag = FALSE; /* extrinsic z-command flag */
615:
616:
617: char *cmdstack;
618: char *cmdptr;
619:
620: short offset;
621: long frm_timeout;
622: short timeoutms;
623: char tmp4[80] = "\201";
624: short param = 0; /* parameter count */
625: short paramx = 0; /* current parameter */
626: short level = 0; /* level count */
627: pid_t pid; /* $J = process ID */
628:
629: char nsname[256] = "USER\0"; /* namespace name */
630: char nsroot[4096]; /* root path of namespace */
631: char *freem_path; /* path to the running instance of FreeM */
632: char history_file[256]; /* path to the history file */
633: int n_lines;
634: int n_columns;
635:
636: short ipc_pending = 0; /* 1 if an incoming IPC is pending, 0 otherwise */
637:
638: int strict_mode = 0;
639:
640: short first_process = FALSE;
641: size_t shm_init_size = 16777216;
642:
643: short inrpt_after_async = FALSE;
644:
645: //#ifdef USE_SIGACTION
646: // struct sigaction act = {0}; /* signals stuff */
647: //#endif/*USE_SIGACTION*/
648:
649: void unnew (void)
650: {
651: char *xptr;
652: int i;
653: long j;
654: char tmp[256];
655:
656: #ifdef DEBUG_NEWPTR
657: int loop;
658: printf("Un-Newing: ");
659: printf("[nstx] nstx is %d\r\n",nstx);
660: printf("[nestnew] nestnew[nstx] is %d\r\n",nestnew[nstx]);
661: #endif
662:
663:
664: xptr = nestnew[nstx]; /* get position of newpointer */
665:
666: while (xptr < newptr) {
667: i = *--newptr;
668:
669: if (i != kill_all) {
670: j = UNSIGN (*--newptr);
671: newptr -= (j + 1);
672: stcpy0 (varnam, newptr, j + 1);
673:
674: if (i == set_sym) {
675: j = UNSIGN (*--newptr);
676: newptr -= (j + 1);
677: stcpy (tmp, newptr);
678: }
679: else {
680: tmp[0] = EOL;
681: }
682: }
683: else {
684: varnam[0] = EOL;
685: tmp[0] = EOL;
686: }
687:
688: if (varnam[0] == '$') {
689: if (varnam[1] == 't') test = tmp[0]; /* pop $TEST */
690: else if (varnam[1] == 'j') pid = UNSIGN (tmp[0]) * 256 + UNSIGN (tmp[1]); /* pop $job */
691: else if (varnam[1] == 'z' && varnam[2] == 'i') breakon = tmp[0]; /* pop $zinrpt */
692: else if (varnam[1] == 'e' && varnam[2] == 't') { /* pop $etrap */
693: stcpy (etrap, tmp);
694: }
695: else if (varnam[1] == 'e' && varnam[2] == 's') { /* pop $estack */
696: char esbuf[256];
697:
698: stcpy (esbuf, tmp);
699: stcnv_m2c (esbuf);
700:
701: estack = atoi (esbuf);
702: }
703: else { /* pop $reference/$zreference */
704: stcpy (zref, tmp);
705: nakoffs = UNSIGN (varnam[4]);
706: }
707:
708: continue;
709: }
710: symtab (i, varnam, tmp);
711: }
712:
713: newptr = nestnew[nstx];
714: nestnew[nstx] = 0; /* reset pointers */
715:
716: return;
717:
718: } /* end unnew() */
719:
720: void m_fatal(char *s)
721: {
722: int errno_sav;
723: errno_sav = errno;
724:
725: set_io (UNIX);
726:
727:
728: if (tp_level) {
729: 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));
730: tp_trollback (tp_level);
731: }
732: else {
733: fprintf (stderr, "freem [FATAL]: memory allocation failure in %s [errno %d %s]\n", s, errno_sav, strerror (errno_sav));
734: }
735:
736: exit (3);
737: }
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