Annotation of freem/src/frmgbl.c, revision 1.1.1.1
1.1 snw 1: /*
2: * *
3: * * *
4: * * *
5: * ***************
6: * * * * *
7: * * MUMPS *
8: * * * * *
9: * ***************
10: * * *
11: * * *
12: * *
13: *
14: * frmgbl.c
15: * freem global C variables
16: *
17: *
18: * Author: Serena Willis <jpw@coherent-logic.com>
19: * Copyright (C) 1998 MUG Deutschland
20: * Copyright (C) 2020 Coherent Logic Development LLC
21: *
22: *
23: * This file is part of FreeM.
24: *
25: * FreeM is free software: you can redistribute it and/or modify
26: * it under the terms of the GNU Affero Public License as published by
27: * the Free Software Foundation, either version 3 of the License, or
28: * (at your option) any later version.
29: *
30: * FreeM is distributed in the hope that it will be useful,
31: * but WITHOUT ANY WARRANTY; without even the implied warranty of
32: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
33: * GNU Affero Public License for more details.
34: *
35: * You should have received a copy of the GNU Affero Public License
36: * along with FreeM. If not, see <https://www.gnu.org/licenses/>.
37: *
38: **/
39:
40: /* needed if byte data are to be interpreted as unsigned integer */
41: #include <stdlib.h>
42: #include <setjmp.h>
43: #include <signal.h>
44: #include <stdio.h>
45: #include "mpsdef0.h"
46: #include <fcntl.h>
47: #include <unistd.h>
48: #include <string.h>
49: #include <sys/types.h>
50: #include <sys/wait.h>
51: #include "transact.h"
52: #include "locktab.h"
53: #include <errno.h>
54:
55: #ifdef LIBFREEM
56: # include "errmsg.h"
57: #endif
58:
59: #if defined HAVE_NCURSESW_CURSES_H
60: # include <ncursesw/curses.h>
61: #elif defined HAVE_NCURSESW_H
62: # include <ncursesw.h>
63: #elif defined HAVE_NCURSES_CURSES_H
64: # include <ncurses/curses.h>
65: #elif defined HAVE_NCURSES_H
66: # include <ncurses.h>
67: #elif defined HAVE_CURSES_H
68: # include <curses.h>
69: #else
70: # error "SysV or X/Open-compatible Curses header file required"
71: #endif
72:
73: #define UNSIGN(A) ((A)&0377)
74:
75: #define g_EOL 30
76: #define POINT 28
77: #define MINUS 26
78:
79: #define ROOT 0L
80: /* length of blocks. status bytes defined as offset to blocklength */
81: #define DATALIM (BLOCKLEN-11)
82: #define LLPTR (BLOCKLEN-10)
83: #define NRBLK LLPTR
84: #define RLPTR (BLOCKLEN- 6)
85: #define FREE RLPTR
86: #define BTYP (BLOCKLEN- 3)
87: #define OFFS (BLOCKLEN- 2)
88:
89: #define EMPTY 0
90: #define FBLK 1
91: #define POINTER 2
92: #define BOTTOM 6
93: #define DATA 8
94:
95: #define PROTECT 30
96:
97:
98: #ifndef SYSFIVE
99: #define FreeM_timezone -3600
100: #else
101:
102: #ifdef __CYGWIN__
103: #define FreeM_timezone _timezone
104: #else
105: long FreeM_timezone;
106: #endif /* __CYGWIN__ */
107:
108: #endif /* SYSFIVE */
109:
110: #if defined(__CYGWIN__)
111: # define FreeM_timezone _timezone
112: #endif
113:
114: /* mumps commands */
115: #define BREAK 'b'
116: #define CLOSE 'c'
117: #define DO 'd'
118: #define DO_BLOCK 2
119: #define ELSE 'e'
120: #define FOR 'f'
121: #define GOTO 'g'
122: #define HA 'h'
123: #define HALT '0'
124: #define HANG '1'
125: #define IF 'i'
126: #define JOB 'j'
127: #define KILL 'k'
128: #define LOCK 'l'
129: #define NEW 'n'
130: #define OPEN 'o'
131: #define QUIT 'q'
132: #define READ 'r'
133: #define SET 's'
134: #define USE 'u'
135: #define VIEW 'v'
136: #define WRITE 'w'
137: #define XECUTE 'x'
138:
139: #define ZALLOCATE 'A'
140: #define ZBREAK 'B'
141: #define ZDEALLOCATE 'D'
142: #define ZGO 'G'
143: #define ZHALT 'H'
144: #define ZINSERT 'I'
145: #define ZJOB 'J'
146: #define ZLOAD 'L'
147: #define ZNEW 'N'
148: #define ZPRINT 'P'
149: #define ZQUIT 'Q'
150: #define ZREMOVE 'R'
151: #define ZSAVE 'S'
152: #define ZTRAP 'T'
153: #define ZWRITE 'W'
154: #define PRIVATE SP
155:
156: #if defined(HAVE_MWAPI_MOTIF)
157: # include <Xm/Xm.h>
158: XtAppContext mwapi_context;
159: #endif
160:
161: short run_daemon = FALSE;
162: short nofork = FALSE;
163: char *pid_file_path;
164: int pid_fd;
165:
166: /* USING and WITH */
167: char i_using[STRLEN] = {'\201'};
168: char i_with[STRLEN] = {'\201'};
169:
170: /* common definitions for all mumps modules */
171: /* same as external definition in include_file mpsdef */
172:
173: extern int errno; /* external error code for systemcalls */
174:
175: int m_argc; /* arguments count */
176: char **m_argv; /* arguments string */
177: char **m_envp; /* environment pointer */
178:
179: short frm_throw_all_errors = 1;
180:
181: /* glvn size parameters */
182: union four_fl {
183: long unsigned all;
184: char one[4];
185: } glvnflag; /* [0] unique name chars 0=no limit */
186:
187: /* [1] case sensitivity flag 0=sensitive */
188: /* [2] max. name+subscripts 0=no limit */
189: /* [3] max. length of a subscript 0=no limit */
190: int libflag = FALSE; /* running as library? */
191: int lonelyflag = FALSE; /* single user flag */
192: int lowerflag = TRUE; /* lowercase everywhere flag */
193: int killerflag = TRUE; /* SIGTERM handling flag */
194: int huperflag = TRUE; /* SIGHUP handling flag */
195: int s_fun_flag = TRUE; /* VIEW 70: ZSORT/ZSYNTAX flag */
196: int n_fun_flag = TRUE; /* VIEW 71: ZNEXT/ZNAME flag */
197: int p_fun_flag = TRUE; /* VIEW 72: ZPREVIOUS/ZPIECE flag */
198: int d_fun_flag = TRUE; /* VIEW 73: ZDATA/ZDATE flag */
199: int zjobflag = TRUE; /* VIEW 79: old ZJOB vs. new ZJOB flag */
200: int eightbit = TRUE; /* VIEW 80: 7 vs. 8 bit flag */
201: int PF1flag = FALSE; /* VIEW 81: PF1 flag */
202: int ordercounter = 0; /* VIEW 82: order counter */
203: int etxtflag = FALSE; /* VIEW 83: text in $ZE flag */
204: char lvndefault[256] = "\201"; /* VIEW 89: UNDEF lvn default */
205: char gvndefault[256] = "\201"; /* VIEW 90: UNDEF gvn default */
206: char exfdefault[256] = "\201"; /* VIEW 91: missing QUIT expr default */
207: int typemmflag = FALSE; /* VIEW 92: EUR2DEM: type mismatch error */
208: int namespace = 0; /* VIEW 200: namespace index */
209: int config = 0; /* VIEW 201: configuration index */
210: char WHR[12][4] = { /* names of currencies */
211: "\201",
212: "EUR\201",
213: "ATS\201",
214: "BFR\201",
215: "DEM\201",
216: "ESP\201",
217: "FMK\201",
218: "FRF\201",
219: "IEP\201",
220: "ITL\201",
221: "NLG\201",
222: "PTE\201"
223: };
224:
225: char EUR2WHR[12][9] = { /* conversion factors EUR to ... */
226: "\201", /* dont care */
227: "1\201", /* to EUR */
228: "13.7603\201", /* to ATS */
229: "40.3399\201", /* to BFR */
230: "1.95583\201", /* to DEM (DM) */
231: "166.386\201", /* to ESP */
232: "5.94573\201", /* to FMK */
233: "6.55957\201", /* to FRF (FF) */
234: ".787564\201", /* to IEP */
235: "1936.27\201", /* to ITL */
236: "2.20371\201", /* to NLG */
237: "200.482\201" /* to PTE */
238: };
239:
240: long v93 = 1; /* VIEW 93: ASCII rule default */
241: char v93a[NO_V93][2560] = {
242: /* ASCII */
243: " :, :!,A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201",
244: /* B - BELGIAN */
245: " :, :!,@:a,\\:c,{:e,}:e,\
246: A:a,B:b,C:c,D:d,E:e,F:f,G:g,H:h,I:i,J:j,K:k,L:l,M:m,N:n,O:o,P:p,Q:q,R:r,S:s,T:t,U:u,V:v,W:w,X:x,Y:y,Z:z\201,\200:e",
247: /* D - GERMAN */
248: " \001\002 \001\002!\001\002\042\001\002#\001\002$\001\002%\001\002&\001\002\
249: '\001\002(\001\002)\001\002*\001\002+\001\002,\001\002-\001\002.\001\002\
250: /\001\002:\001\002;\001\002<\001\002=\001\002>\001\002?\001\002@\001\002\
251: ^\001\002_\001\002`\001\002A\001a\002B\001b\002C\001c\002D\001d\002E\001e\002\
252: F\001f\002G\001g\002H\001h\002I\001i\002J\001j\002K\001k\002L\001l\002\
253: M\001m\002N\001n\002O\001o\002P\001p\002Q\001q\002R\001r\002S\001s\002\
254: T\001t\002U\001u\002V\001v\002W\001w\002X\001x\002Y\001y\002Z\001z\002\
255: {\001ae\002[\001ae\002|\001oe\002\134\001oe\002}\001ue\002]\001ue\002\
256: ~\001ss\002\200\001e\002\201",
257: /* DK - DANISH */
258: " :, :!,{:ae,|:oe,}:au,~:ue,\
259: 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,\
260: [:ae,\\:oe,]:ao,^:ue,\200:e\201",
261: /* E - SPANISH */
262: " :, :!,|:n,}:c,ll:l,\
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,\200:e,\
264: \\:n,LL:l\201",
265: /* F - FRENCH */
266: " :, :!,\\:c,{:e,|:u,}:e,\
267: 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",
268: /* I - ITALIAN */
269: " :, :!,\\:c,]:e,`:u,{:a,|:o,}:e,~:i,\
270: 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",
271: /* S - SWEDISH */
272: " :, :!,`:e,{:ae,|:oe,}:ao,~:ue,\
273: 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,\
274: @:e,[:ae,\\:oe,]:ao,~:ue,\200:e,\201"
275: };
276:
277:
278: char glo_prefix[MONTH_LEN] = "^\201"; /* VIEW 96: global prefix */
279: char glo_ext[MONTH_LEN] = "\201"; /* VIEW 97: global postfix */
280: char rou_ext[MONTH_LEN] = ".m\201"; /* VIEW 98: routine extention */
281: long tzoffset = 0L; /* VIEW 99: timer offset */
282: int v100 = 0; /* VIEW 100: return value of kill */
283: char l_o_val[256] = "\201"; /* VIEW 110: local $o/$q data value */
284: char g_o_val[256] = "\201"; /* VIEW 111: global $o/$q data value */
285: int zsavestrategy = TRUE; /* VIEW 133: remember ZLOAD directory on ZSAVE */
286:
287: /* vars for screen save/restore */
288: struct vtstyp *screen = NULL; /* active screen */
289: short jour_flag = 0; /* journal flag 0/1/-1 */
290:
291: /* trace vars for global module */
292: unsigned long traceblk[TRLIM]; /* trace stack - block numbers */
293: short traceadr[TRLIM]; /* - status */
294: short trx; /* - stack pointer */
295: char compactkey[256]; /* internal form of key in global.c */
296:
297: short mcmnd; /* mumps command letter */
298: short arg; /* stack pointer for expr.c */
299: char *argstck[PARDEPTH + 1]; /* stack of pointers to */
300:
301: /* intermediate results */
302:
303: long ordercnt = 0L; /* repeater for $order/$query */
304: short setpiece = FALSE; /* TRUE: set$piece executing */
305: short setop = 0; /* SET op flag */
306: char rou_name[256] =
307: {EOL}; /* $T(+0)/$ZN routine name */
308: char *namstck; /* routine name stack */
309: char *namptr; /* routine name stack pointer */
310: char *framstck; /* DO_frame stack */
311: char *dofrmptr; /* DO_frame stack pointer */
312: char zb[40] = "\201"; /* $ZB last ESC_sequence */
313: char zerror[300] = "\201"; /* $ZE last error */
314: short DSM2err = FALSE; /* enable normal error processing */
315: short nesterr = 0; /* nesterr and callerr contain info */
316: char callerr[NESTLEVLS + 1][40]; /* about call situation at error */
317:
318: char stack0[256] = "\201";
319:
320: char zmc[128] = "\
321: \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\
322: \020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\177\201";
323:
324: /* $ZMC loadable match 'controls' */
325: char zmn[128] = "0123456789\201"; /* $ZMN loadable match 'numerics' */
326:
327: /* $ZMP loadable match 'punctuation' */
328: char zmp[128] = " !\042#$%&'()*+,-./:;<=>?@^_`\201";
329:
330: /* $ZML loadable match 'lowercase' */
331: char zml[128] = "abcdefghijklmnopqrstuvwxyz{|}~\201";
332:
333: /* $ZMU loadable match 'uppercase' */
334: char zmu[128] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]\201";
335:
336: short zerr = OK; /* $ZE numeric error code */
337: char zloc[256] = "\201"; /* $ZL last local reference */
338: char zref[256] = "\201"; /* $ZR last global reference */
339: short nakoffs = 0; /* offset to naked reference */
340: char zfunkey[44][FUNLEN]; /* $ZF function key */
341:
342: typedef struct frm_devstat {
343: short mdc_err;
344: short frm_err;
345: char err_txt[80];
346: } frm_devstat;
347:
348: frm_devstat devstat[MAXDEV + 1]; /* channel statuses for $DEVICE */
349:
350: short xpos[MAXDEV + 1]; /* $X-vector */
351: short ypos[MAXDEV + 1]; /* $Y-vector */
352: short crlf[MAXDEV + 1]; /* CR/LF flag vector */
353: short fm_nodelay[MAXDEV + 1]; /* nodelay flag vector */
354:
355: int ESCflag[MAXDEV + 1] =
356: {0, 0, 0, 0, 0}; /* ESC flag */
357:
358: short RightMargin = 0; /* Output Margin. Default no */
359:
360: /* automatic CR/LF */
361: short InFieldLen = 255; /* Input Field length Def: 255 char */
362: long DSW = BIT2 + BIT21; /* Device Status word (Terminal) */
363: char LineTerm[32] = "\012\015\201"; /* Input Line Terminator chars */
364: char BrkKey = 3; /* <INTERRUPT> key Def: CTRL/C */
365: char ug_buf[MAXDEV + 1][256]; /* ungetc-buffers */
366: char devopen[MAXDEV + 1] =
367: {0, 0, 0, 0, 0}; /* 0 not open */
368:
369: /* 'r' input */
370: /* 'w' or 'a' output */
371:
372: /* names of IO devices */
373: char dev[MAXDEV + 1][40] = {
374: " ", /* HOME */
375: "/usr/tmp/mout.1/a\201", /* dev 1 */
376: "/usr/tmp/mout.2/a\201", /* dev 2 */
377: "/usr/tmp/mout.3/a\201", /* dev 3 */
378: "/usr/tmp/mout.4/a\201" /* dev 4 */
379: };
380:
381: char G0I[MAXDEV + 1][257]; /* G0 input translation table */
382: char G0O[MAXDEV + 1][257]; /* G0 output translation table */
383: char G1I[MAXDEV + 1][257]; /* G1 input translation table */
384: char G1O[MAXDEV + 1][257]; /* G1 output translation table */
385:
386: FILE *opnfile[MAXDEV + 1];
387: char act_oucpath[MAXDEV + 1][40] = {"\201", "\201", "\201", "\201", "\201"};
388: char sq_modes[MAXDEV + 1];
389:
390: short olddes[NO_GLOBLS]; /* filedescr of open global files */
391: char oldfil[NO_GLOBLS][1024]; /* names of open global files */
392: long g_ages[NO_GLOBLS]; /* last access of global files */
393: short usage[NO_GLOBLS]; /* usage count of global files */
394: short inuse = 0; /* file in use */
395:
396: int lio_mode = -1;
397: short io = HOME; /* $IO */
398: short test = FALSE; /* $TEST */
399: short pattrnflag = FALSE; /* incomplete match flag */
400: char pattrnchar = EOL; /* incomplete match flag supplement */
401: int zsystem = 0; /* $ZSYSTEM return status of UNIX call */
402: short zcc = FALSE; /* $ZC (ControlC-Flag) */
403:
404: char *rouptr; /* pointer to begin of routine */
405: char *roucur; /* cursor into routine */
406: char *rouend; /* pointer to end of pgm */
407: char *rouins; /* pointer for direct mode insert */
408: short breakon = ENABLE; /* BREAK enable/disable-flag */
409: short zbreakon = DISABLE; /* ZBREAK enable/disable-flag */
410: short zbflag = FALSE; /* 'ZBREAK from terminal'-flag */
411: short zprecise = 100; /* $ZPRECISION of arithmetic */
412: char fp_conversion[10]; /* sprintf conversion constant for ieee754 support */
413: long nrandom; /* random number seed */
414: long ran_a = 24298L; /* random number parameter a */
415: long ran_b = 99991L; /* random number parameter b */
416: long ran_c = 199017L; /* random number parameter c */
417:
418: short usermode = 1; /* 0=user mode 1=programmer mode */
419: int restricted_mode = FALSE; /* TRUE=restricted FALSE=unrestricted */
420: short demomode = FALSE; /* 0=no demo 1=demo mode */
421: int d0char = DEL; /* demomode ouput character */
422: int d1char = CAN; /* demomode '!' character */
423: short cset = FALSE; /* 0=mumps set 1='C' set flag */
424:
425: /* startup flags */
426: int hardcopy = DISABLE; /* hardcopy flag */
427: int frm_filter = FALSE; /* filter flag */
428: int noclear = FALSE; /* noclear flag */
429: int standard = D_FREEM; /* default dialect */
430: int quiet_mode = FALSE; /* quiet mode */
431: char config_file[4096]; /* path to configuration file */
432: char shm_env[255]; /* shared memory environment */
433:
434: short fp_mode = 0; /* set to 0 for fixed-point math, 1 for IEEE754 floating point */
435: short en_revstrf = 1; /* enable reverse forms of string intrinsics */
436:
437: short ierr; /* immediate error status */
438: short deferred_ierr; /* deferred error status (after returning from a private routine) */
439: char err_suppl[255]; /* supplemental information about an error */
440:
441: long PSIZE = DEFPSIZE; /* size of 'partition' */
442: char *mbpartition; /* memory-backed globals partition */
443: short writing_mb = FALSE;
444: char *partition; /* partition (symbol table) */
445: long symlen = DEFPSIZE; /* 'lower' bound of symbol table */
446: unsigned long alphptr[128] = /* pointers into symbol table */
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: 0, 0, 0, 0, 0, 0, 0, 0, 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: char *apartition; /* alternate partition */
452: long asymlen = DEFPSIZE; /* 'lower' bound of symbol table */
453: unsigned long aalphptr[128] = /* pointers into symbol table */
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 autopsize = TRUE; /* automatic increase of PSIZE */
460: long svnlen = DEFUDFSVSIZ; /* 'lower' bound of udf_svn_tab */
461: long UDFSVSIZ = DEFUDFSVSIZ; /* size of userdef special var tab. */
462: char *svntable; /* udf special variable table */
463: unsigned long svnaptr[128] = /* pointers into udf_svn_tab */
464: {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
465: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
466: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
467: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
468:
469: short autousize = TRUE; /* automatic increase of UDFSVSIZ */
470: long NO_OF_RBUF = DEFNO_OF_RBUF; /* number of routine buffers */
471: long PSIZE0 = DEFPSIZE0; /* size of routine buffers */
472: short autorsize = TRUE; /* automatic increase of PSIZE0 */
473: short aliases = 0; /* aliases pointer */
474: char ali[2000]; /* aliases table */
475: long v22ptr = 0L; /* view 22 aliases pointer */
476: char *v22ali; /* view 22 aliases field */
477: long v22size = 0L; /* current size of aliases field */
478:
479:
480: long NSIZE = DEFNSIZE; /* size of newstack */
481: char *newstack; /* stack for NEWed variables */
482: char *newptr; /* pointer to NEW stack */
483: char *newlimit; /* pointer to NEW stack end */
484:
485: short nstx = 0; /* nest stack: */
486: short nestc[NESTLEVLS + 1]; /* - command (DO...) */
487: char *nestp[NESTLEVLS + 1]; /* - cmdptr */
488: char *nestn[NESTLEVLS + 1]; /* - namptr */
489: long nestr[NESTLEVLS + 1]; /* - roucur */
490: char *nestnew[NESTLEVLS + 1]; /* - newptr */
491: short neste[NESTLEVLS + 1]; /* - was this frame entered as the result of an error? */
492: short nestlt[NESTLEVLS + 1]; /* stack $T / stack levelcount */
493: short brkstk[NESTLEVLS + 1]; /* stack for BREAK information */
494:
495: char ztrap[NESTLEVLS + 2][ZTLEN]; /* $ZTRAP to be xecuted on error */
496:
497:
498: char *s; /* pointer to symlen_offset */
499: char *argptr; /* pointer to beg of tmp-storage */
500:
501: char code[512] =
502: {EOL, EOL}; /* currently interpreted code */
503: char *codptr = code; /* pointer within code[] */
504:
505: char dosave[20]; /* in a FOR range save DO label */
506: char *xdosave;
507:
508: int errfunlvl = 0; /* avoid wrong error message in $$FUN */
509: short repQUIT = 0; /* QUIT repeater */
510:
511: char varnam[256]; /* variable/array/function name */
512: char varerr[256] =
513: {EOL}; /* reference in error message */
514: char *buff; /* routine buffer pool */
515: char pgms[MAXNO_OF_RBUF][40]; /* names of alt.pgms */
516: long ages[MAXNO_OF_RBUF]; /* last call to this pgm */
517: char *ends[MAXNO_OF_RBUF]; /* saved rouend-pointer */
518: char path[MAXNO_OF_RBUF][256]; /* directory where routine was loaded */
519: rtn_flags rbuf_flags[MAXNO_OF_RBUF]; /* per-routine flags */
520:
521: char glopath[PATHLEN]; /* path to access globals */
522: char rou0path[PATHLEN]; /* routine access with DO,GOTO,JOB */
523: char rou1path[PATHLEN]; /* routine access with ZL,ZS */
524: char gloplib[PATHLEN]; /* path to access %globals */
525:
526: char gbl_u_engine[255]; /* user global engine */
527: char gbl_s_engine[255]; /* system global engine */
528: char loc_engine[255]; /* local engine */
529:
530: unsigned long int bdb_flush_threshold;
531:
532: char rou0plib[PATHLEN]; /* %routine path (DO..) */
533: char rou1plib[PATHLEN]; /* %routine path (ZL..) */
534: char oucpath[PATHLEN] = "\201"; /* OPEN/USE/CLOSE path */
535: char zargdefname[PATHLEN]= "%\201"; /* default varname for Z-commands */
536: char jourfile[PATHLEN] = "/usr/tmp/ioprotocol"; /* journal file */
537: FILE *jouraccess; /* dto. filedes */
538: char curdir[256] = "."; /* current directory */
539:
540: char startuprou[PATHLEN] = "\201"; /* start up routine from cmdline*/
541:
542: char zcommds[256] =
543: " za zas zb zd zg zh zi zj zl zn zp zq zr zs zt zwr zallocate zbreak zdeallocate \
544: zgo zhalt zinsert zjob zload znamespace zprint zquit zremove zsave ztrap zwrite \201"; /* intrinsic z-commands */
545: char zfunctions[256] = /* intrinsic z-functions */
546: " zb zc zd ze zh zht zk zl zm zn zo zp zr zs zt zboolean zcall zcr zcrc zdata zdate zedit zhorolog \
547: zkey zlength zlsd zname znext zorder zpiece zprevious zreplace zsyntax zsort ztime \201";
548: char zsvn[256] = /* intrinsic z-special variables */
549: " za zb zc zd ze zf zh zi zj zl zmc zmn zmp zma zml zmu zme zn zo zp zs zt zu zv \
550: zcontrolc zdate zerror zname zhorolog zinrpt zjob zlocal zorder zprecision zsystem ztime ztr ztrap zuuid zut zversion \201";
551: char brkaction[256] = "\201"; /* action in case of BREAK */
552: pid_t father = 0; /* JOB-ID of father process */
553: char jour_hostid[256];
554: /* date types parameters */
555: char month[NO_DATETYPE][12][MONTH_LEN] = {
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: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
558: {"JAN\201", "FEB\201", "MAR\201", "APR\201", "MAY\201", "JUN\201", "JUL\201", "AUG\201", "SEP\201", "OCT\201", "NOV\201", "DEC\201"},
559: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"},
560: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
561: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
562: {"1\201", "2\201", "3\201", "4\201", "5\201", "6\201", "7\201", "8\201", "9\201", "10\201", "11\201", "12\201"},
563: {"01\201", "02\201", "03\201", "04\201", "05\201", "06\201", "07\201", "08\201", "09\201", "10\201", "11\201", "12\201"}
564: };
565: char dat1char[NO_DATETYPE][MONTH_LEN] = /* date 1st delimiter */
566: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
567: char dat2char[NO_DATETYPE][MONTH_LEN] = /* date 2nd delimmiter */
568: {"/\201", "/\201", " \201", "/\201", ".\201", ".\201", ".\201", ".\201"};
569: char dat3char[NO_DATETYPE] =
570: {'0', '0', '0', '0', '\201', '\201', '\201', '0'}; /* date day justify char */
571: char dat4flag[NO_DATETYPE] =
572: {2, 1, 0, 0, 0, 0, 0, 0}; /* 0=DMY, 1=MDY, 2=YMD */
573: char dat5flag[NO_DATETYPE] =
574: {0, 1, 1, 1, 1, 1, 0, 1}; /* suppress century digits */
575: long int datGRbeg[NO_DATETYPE] =
576: {578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L, 578101L};
577:
578: /* first day of gregorian calendar 15-OCT-1582 ($H+672411) */
579: int datetype = 0; /* type for $zd special variable */
580:
581: char tim1char[NO_TIMETYPE] =
582: {':', ':'}; /* time 1st delimiter */
583: char tim2char[NO_TIMETYPE] =
584: {':', ':'}; /* time 2nd delimiter */
585: char tim3char[NO_TIMETYPE] =
586: {SP, SP}; /* time hour justify char */
587: char tim4flag[NO_TIMETYPE] =
588: {0, 1}; /* 0=24 Hrs 1=12 Hrs */
589: char tim5flag[NO_TIMETYPE] =
590: {0, 0}; /* suppress seconds */
591: int timetype = 0; /* type for $zt special variable */
592:
593: jmp_buf sjbuf;
594: char *roucu0;
595: char *dofram0;
596:
597: short forx = 0; /* FOR stack pointer */
598: char forvar[NESTLEVLS + 1][40], /* FOR variable */
599: forinc[NESTLEVLS + 1][40], /* FOR increment */
600: forpost[NESTLEVLS + 1][128], /* FOR postconditional */
601: forlim[NESTLEVLS + 1][40]; /* FOR limit value */
602: short fortyp[NESTLEVLS + 1]; /* 0 = forever 1 = single, */
603:
604: /* 2 = unlim.iter,3 = limit iter. */
605: /* 4 = "" +inc=1 5 = "" + inc=1 */
606: short fori[NESTLEVLS + 1]; /* if fortyp=5 length of forlimit */
607:
608: char *fvar; /* current forvar */
609: char *finc; /* current forinc */
610: char *fpost; /* current forpost */
611: char *flim; /* current forlim */
612: short ftyp; /* current fortyp */
613: short fi; /* current fori */
614: short forsw = FALSE; /* FOR switch */
615: short loadsw = TRUE; /* flag to avoid redundant loads */
616: short argless_forsw_quit = FALSE; /* QUIT from argumentless FOR */
617: short sigint_in_for = FALSE;
618: short direct_mode = TRUE; /* are we in direct mode? */
619:
620: short extr_types[NESTLEVLS + 1]; /* return types of extrinsic functions */
621: char destructors[MAX_DESTRUCTORS][50];
622: int destructor_ct;
623: char private_keys[MAX_PRIVATE_KEYS][255];
624:
625: /* after XECUTEs */
626: short promflag = TRUE; /* prompt execute flag */
627: short privflag = FALSE; /* extrinsic z-command flag */
628:
629:
630: char *cmdstack;
631: char *cmdptr;
632:
633: short offset;
634: long frm_timeout;
635: short timeoutms;
636: char tmp4[80] = "\201";
637: short param = 0; /* parameter count */
638: short paramx = 0; /* current parameter */
639: char *ttyname ();
640: short level = 0; /* level count */
641: pid_t pid; /* $J = process ID */
642:
643: char nsname[256] = "USER\0"; /* namespace name */
644: char nsroot[4096]; /* root path of namespace */
645: char *freem_path; /* path to the running instance of FreeM */
646: char history_file[256]; /* path to the history file */
647: int n_lines;
648: int n_columns;
649:
650: short ipc_pending = 0; /* 1 if an incoming IPC is pending, 0 otherwise */
651:
652: int strict_mode = 0;
653:
654: short first_process = FALSE;
655: size_t shm_init_size = 16777216;
656:
657: short inrpt_after_async = FALSE;
658:
659: //#ifdef USE_SIGACTION
660: // struct sigaction act = {0}; /* signals stuff */
661: //#endif/*USE_SIGACTION*/
662:
663: void unnew (void)
664: {
665: char *xptr;
666: int i;
667: long j;
668: char tmp[256];
669:
670: #ifdef DEBUG_NEWPTR
671: int loop;
672: printf("Un-Newing: ");
673: printf("[nstx] nstx is %d\r\n",nstx);
674: printf("[nestnew] nestnew[nstx] is %d\r\n",nestnew[nstx]);
675: #endif
676:
677:
678: xptr = nestnew[nstx]; /* get position of newpointer */
679:
680: while (xptr < newptr) {
681: i = *--newptr;
682:
683: if (i != kill_all) {
684: j = UNSIGN (*--newptr);
685: newptr -= (j + 1);
686: stcpy0 (varnam, newptr, j + 1);
687:
688: if (i == set_sym) {
689: j = UNSIGN (*--newptr);
690: newptr -= (j + 1);
691: stcpy (tmp, newptr);
692: }
693: else {
694: tmp[0] = EOL;
695: }
696: }
697: else {
698: varnam[0] = EOL;
699: tmp[0] = EOL;
700: }
701:
702: if (varnam[0] == '$') {
703: if (varnam[1] == 't') test = tmp[0]; /* pop $TEST */
704: else if (varnam[1] == 'j') pid = UNSIGN (tmp[0]) * 256 + UNSIGN (tmp[1]); /* pop $job */
705: else if (varnam[1] == 'z' && varnam[2] == 'i') breakon = tmp[0]; /* pop $zinrpt */
706: else if (varnam[1] == 'e' && varnam[2] == 't') { /* pop $etrap */
707: stcpy (etrap, tmp);
708: }
709: else if (varnam[1] == 'e' && varnam[2] == 's') { /* pop $estack */
710: char esbuf[256];
711:
712: stcpy (esbuf, tmp);
713: stcnv_m2c (esbuf);
714:
715: estack = atoi (esbuf);
716: }
717: else { /* pop $reference/$zreference */
718: stcpy (zref, tmp);
719: nakoffs = UNSIGN (varnam[4]);
720: }
721:
722: continue;
723: }
724: symtab (i, varnam, tmp);
725: }
726:
727: newptr = nestnew[nstx];
728: nestnew[nstx] = 0; /* reset pointers */
729:
730: return;
731:
732: } /* end unnew() */
733:
734: void m_fatal(char *s)
735: {
736: int errno_sav;
737: errno_sav = errno;
738:
739: set_io (UNIX);
740:
741:
742: if (tp_level) {
743: 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));
744: tp_trollback (tp_level);
745: }
746: else {
747: fprintf (stderr, "freem [FATAL]: memory allocation failure in %s [errno %d %s]\n", s, errno_sav, strerror (errno_sav));
748: }
749:
750: exit (3);
751: }
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