Annotation of src/usr.bin/m4/main.c, Revision 1.66
1.66 ! espie 1: /* $OpenBSD: main.c,v 1.65 2005/01/20 23:47:04 espie Exp $ */
1.7 deraadt 2: /* $NetBSD: main.c,v 1.12 1997/02/08 23:54:49 cgd Exp $ */
1.1 deraadt 3:
4: /*-
5: * Copyright (c) 1989, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Ozan Yigit at York University.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
1.55 millert 19: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
36: #ifndef lint
37: static char copyright[] =
38: "@(#) Copyright (c) 1989, 1993\n\
39: The Regents of the University of California. All rights reserved.\n";
40: #endif /* not lint */
41:
42: #ifndef lint
43: #if 0
44: static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";
45: #else
1.66 ! espie 46: static char rcsid[] = "$OpenBSD: main.c,v 1.65 2005/01/20 23:47:04 espie Exp $";
1.1 deraadt 47: #endif
48: #endif /* not lint */
49:
50: /*
51: * main.c
52: * Facility: m4 macro processor
53: * by: oz
54: */
55:
56: #include <sys/types.h>
1.21 espie 57: #include <assert.h>
1.1 deraadt 58: #include <signal.h>
59: #include <errno.h>
60: #include <unistd.h>
61: #include <stdio.h>
62: #include <ctype.h>
63: #include <string.h>
1.13 espie 64: #include <stddef.h>
1.34 espie 65: #include <stdlib.h>
1.63 espie 66: #include <ohash.h>
1.11 espie 67: #include <err.h>
1.1 deraadt 68: #include "mdef.h"
69: #include "stdd.h"
70: #include "extern.h"
71: #include "pathnames.h"
72:
73: ndptr hashtab[HASHSIZE]; /* hash table for macros etc. */
1.34 espie 74: stae *mstack; /* stack of m4 machine */
75: char *sstack; /* shadow stack, for string space extension */
76: static size_t STACKMAX; /* current maximum size of stack */
1.1 deraadt 77: int sp; /* current m4 stack pointer */
78: int fp; /* m4 call frame pointer */
1.26 espie 79: struct input_file infile[MAXINP];/* input file stack (0=stdin) */
1.36 espie 80: FILE **outfile; /* diversion array(0=bitbucket)*/
81: int maxout;
1.1 deraadt 82: FILE *active; /* active output file pointer */
83: int ilevel = 0; /* input file stack pointer */
84: int oindex = 0; /* diversion index.. */
85: char *null = ""; /* as it says.. just a null.. */
1.66 ! espie 86: char **m4wraps = NULL; /* m4wraps array. */
! 87: int maxwraps = 0; /* size of m4wraps array */
! 88: int wrapindex = 0; /* current offset in m4wraps */
1.2 deraadt 89: char lquote[MAXCCHARS+1] = {LQUOTE}; /* left quote character (`) */
90: char rquote[MAXCCHARS+1] = {RQUOTE}; /* right quote character (') */
91: char scommt[MAXCCHARS+1] = {SCOMMT}; /* start character for comment */
92: char ecommt[MAXCCHARS+1] = {ECOMMT}; /* end character for comment */
1.54 espie 93: int synch_lines = 0; /* line synchronisation for C preprocessor */
1.1 deraadt 94:
1.63 espie 95: struct keyblk {
96: char *knam; /* keyword name */
97: int ktyp; /* keyword type */
98: };
99:
1.1 deraadt 100: struct keyblk keywrds[] = { /* m4 keywords to be installed */
1.8 millert 101: { "include", INCLTYPE },
102: { "sinclude", SINCTYPE },
103: { "define", DEFITYPE },
104: { "defn", DEFNTYPE },
1.24 espie 105: { "divert", DIVRTYPE | NOARGS },
1.8 millert 106: { "expr", EXPRTYPE },
107: { "eval", EXPRTYPE },
108: { "substr", SUBSTYPE },
109: { "ifelse", IFELTYPE },
110: { "ifdef", IFDFTYPE },
111: { "len", LENGTYPE },
112: { "incr", INCRTYPE },
113: { "decr", DECRTYPE },
1.24 espie 114: { "dnl", DNLNTYPE | NOARGS },
115: { "changequote", CHNQTYPE | NOARGS },
116: { "changecom", CHNCTYPE | NOARGS },
1.8 millert 117: { "index", INDXTYPE },
1.1 deraadt 118: #ifdef EXTENDED
1.8 millert 119: { "paste", PASTTYPE },
120: { "spaste", SPASTYPE },
1.31 espie 121: /* Newer extensions, needed to handle gnu-m4 scripts */
122: { "indir", INDIRTYPE},
123: { "builtin", BUILTINTYPE},
124: { "patsubst", PATSTYPE},
125: { "regexp", REGEXPTYPE},
1.35 espie 126: { "esyscmd", ESYSCMDTYPE},
1.31 espie 127: { "__file__", FILENAMETYPE | NOARGS},
128: { "__line__", LINETYPE | NOARGS},
1.1 deraadt 129: #endif
1.8 millert 130: { "popdef", POPDTYPE },
131: { "pushdef", PUSDTYPE },
1.24 espie 132: { "dumpdef", DUMPTYPE | NOARGS },
133: { "shift", SHIFTYPE | NOARGS },
1.8 millert 134: { "translit", TRNLTYPE },
135: { "undefine", UNDFTYPE },
1.24 espie 136: { "undivert", UNDVTYPE | NOARGS },
137: { "divnum", DIVNTYPE | NOARGS },
1.8 millert 138: { "maketemp", MKTMTYPE },
1.24 espie 139: { "errprint", ERRPTYPE | NOARGS },
140: { "m4wrap", M4WRTYPE | NOARGS },
141: { "m4exit", EXITTYPE | NOARGS },
1.8 millert 142: { "syscmd", SYSCTYPE },
1.24 espie 143: { "sysval", SYSVTYPE | NOARGS },
1.49 espie 144: { "traceon", TRACEONTYPE | NOARGS },
145: { "traceoff", TRACEOFFTYPE | NOARGS },
1.1 deraadt 146:
1.24 espie 147: #if defined(unix) || defined(__unix__)
148: { "unix", SELFTYPE | NOARGS },
1.1 deraadt 149: #else
150: #ifdef vms
1.24 espie 151: { "vms", SELFTYPE | NOARGS },
1.1 deraadt 152: #endif
153: #endif
154: };
155:
156: #define MAXKEYS (sizeof(keywrds)/sizeof(struct keyblk))
157:
158: extern int optind;
159: extern char *optarg;
160:
1.27 espie 161: #define MAXRECORD 50
162: static struct position {
163: char *name;
164: unsigned long line;
165: } quotes[MAXRECORD], paren[MAXRECORD];
166:
1.52 millert 167: static void record(struct position *, int);
168: static void dump_stack(struct position *, int);
1.27 espie 169:
1.52 millert 170: static void macro(void);
171: static void initkwds(void);
172: static ndptr inspect(int, char *);
173: static int do_look_ahead(int, const char *);
1.54 espie 174: static void reallyoutputstr(const char *);
175: static void reallyputchar(int);
1.18 espie 176:
1.52 millert 177: static void enlarge_stack(void);
1.34 espie 178:
1.52 millert 179: int main(int, char *[]);
1.1 deraadt 180:
181: int
1.53 espie 182: main(int argc, char *argv[])
1.1 deraadt 183: {
1.17 espie 184: int c;
185: int n;
1.1 deraadt 186: char *p;
187:
188: if (signal(SIGINT, SIG_IGN) != SIG_IGN)
189: signal(SIGINT, onintr);
190:
1.61 espie 191: init_macros();
1.1 deraadt 192: initkwds();
1.14 espie 193: initspaces();
1.34 espie 194: STACKMAX = INITSTACKMAX;
195:
1.64 espie 196: mstack = (stae *)xalloc(sizeof(stae) * STACKMAX, NULL);
197: sstack = (char *)xalloc(STACKMAX, NULL);
1.1 deraadt 198:
1.36 espie 199: maxout = 0;
200: outfile = NULL;
201: resizedivs(MAXOUT);
202:
1.54 espie 203: while ((c = getopt(argc, argv, "gst:d:D:U:o:I:")) != -1)
1.1 deraadt 204: switch(c) {
205:
206: case 'D': /* define something..*/
207: for (p = optarg; *p; p++)
208: if (*p == '=')
209: break;
210: if (*p)
211: *p++ = EOS;
212: dodefine(optarg, p);
1.16 espie 213: break;
214: case 'I':
215: addtoincludepath(optarg);
1.1 deraadt 216: break;
217: case 'U': /* undefine... */
1.59 espie 218: macro_popdef(optarg);
1.32 espie 219: break;
220: case 'g':
221: mimic_gnu = 1;
1.1 deraadt 222: break;
1.46 espie 223: case 'd':
224: set_trace_flags(optarg);
1.47 espie 225: break;
1.54 espie 226: case 's':
227: synch_lines = 1;
228: break;
1.47 espie 229: case 't':
1.49 espie 230: mark_traced(optarg, 1);
1.46 espie 231: break;
1.38 aaron 232: case 'o':
1.46 espie 233: trace_file(optarg);
1.38 aaron 234: break;
1.1 deraadt 235: case '?':
236: usage();
237: }
238:
239: argc -= optind;
240: argv += optind;
241:
242: active = stdout; /* default active output */
243: bbase[0] = bufbase;
244: if (!argc) {
245: sp = -1; /* stack pointer initialized */
246: fp = 0; /* frame pointer initialized */
1.26 espie 247: set_input(infile+0, stdin, "stdin");
248: /* default input (naturally) */
1.1 deraadt 249: macro();
250: } else
251: for (; argc--; ++argv) {
252: p = *argv;
1.13 espie 253: if (p[0] == '-' && p[1] == EOS)
1.26 espie 254: set_input(infile, stdin, "stdin");
255: else if (fopen_trypath(infile, p) == NULL)
1.11 espie 256: err(1, "%s", p);
1.1 deraadt 257: sp = -1;
258: fp = 0;
259: macro();
1.26 espie 260: release_input(infile);
1.1 deraadt 261: }
262:
1.66 ! espie 263: if (wrapindex) {
! 264: int i;
! 265:
1.1 deraadt 266: ilevel = 0; /* in case m4wrap includes.. */
267: bufbase = bp = buf; /* use the entire buffer */
1.66 ! espie 268: if (mimic_gnu) {
! 269: while (wrapindex != 0) {
! 270: for (i = 0; i < wrapindex; i++)
! 271: pbstr(m4wraps[i]);
! 272: wrapindex =0;
! 273: macro();
! 274: }
! 275: } else {
! 276: for (i = 0; i < wrapindex; i++) {
! 277: pbstr(m4wraps[i]);
! 278: macro();
! 279: }
! 280: }
1.1 deraadt 281: }
282:
283: if (active != stdout)
284: active = stdout; /* reset output just in case */
1.36 espie 285: for (n = 1; n < maxout; n++) /* default wrap-up: undivert */
1.1 deraadt 286: if (outfile[n] != NULL)
287: getdiv(n);
288: /* remove bitbucket if used */
289: if (outfile[0] != NULL) {
290: (void) fclose(outfile[0]);
291: }
292:
293: return 0;
294: }
295:
296: /*
1.21 espie 297: * Look ahead for `token'.
1.2 deraadt 298: * (on input `t == token[0]')
299: * Used for comment and quoting delimiters.
300: * Returns 1 if `token' present; copied to output.
301: * 0 if `token' not found; all characters pushed back
302: */
1.18 espie 303: static int
1.53 espie 304: do_look_ahead(int t, const char *token)
1.2 deraadt 305: {
306: int i;
307:
1.43 espie 308: assert((unsigned char)t == (unsigned char)token[0]);
1.2 deraadt 309:
310: for (i = 1; *++token; i++) {
311: t = gpbc();
1.43 espie 312: if (t == EOF || (unsigned char)t != (unsigned char)*token) {
1.28 espie 313: putback(t);
1.2 deraadt 314: while (--i)
315: putback(*--token);
316: return 0;
317: }
318: }
319: return 1;
320: }
321:
1.43 espie 322: #define LOOK_AHEAD(t, token) (t != EOF && \
323: (unsigned char)(t)==(unsigned char)(token)[0] && \
324: do_look_ahead(t,token))
1.2 deraadt 325:
326: /*
1.1 deraadt 327: * macro - the work horse..
328: */
1.18 espie 329: static void
1.56 deraadt 330: macro(void)
1.17 espie 331: {
1.34 espie 332: char token[MAXTOK+1];
1.17 espie 333: int t, l;
334: ndptr p;
335: int nlpar;
1.1 deraadt 336:
337: cycle {
1.2 deraadt 338: t = gpbc();
339: if (t == '_' || isalpha(t)) {
1.29 espie 340: p = inspect(t, token);
1.59 espie 341: if (p != NULL)
1.24 espie 342: putback(l = gpbc());
1.59 espie 343: if (p == NULL || (l != LPAREN &&
344: (macro_getdef(p)->type & NEEDARGS) != 0))
1.29 espie 345: outputstr(token);
1.1 deraadt 346: else {
347: /*
348: * real thing.. First build a call frame:
349: */
350: pushf(fp); /* previous call frm */
1.59 espie 351: pushf(macro_getdef(p)->type); /* type of the call */
1.63 espie 352: pushf(is_traced(p));
1.1 deraadt 353: pushf(0); /* parenthesis level */
354: fp = sp; /* new frame pointer */
355: /*
356: * now push the string arguments:
357: */
1.59 espie 358: pushs1(macro_getdef(p)->defn); /* defn string */
359: pushs1((char *)macro_name(p)); /* macro name */
1.34 espie 360: pushs(ep); /* start next..*/
1.1 deraadt 361:
1.41 espie 362: if (l != LPAREN && PARLEV == 0) {
363: /* no bracks */
364: chrsave(EOS);
365:
366: if (sp == STACKMAX)
367: errx(1, "internal stack overflow");
1.44 espie 368: eval((const char **) mstack+fp+1, 2,
1.60 espie 369: CALTYP, TRACESTATUS);
1.41 espie 370:
371: ep = PREVEP; /* flush strspace */
372: sp = PREVSP; /* previous sp.. */
373: fp = PREVFP; /* rewind stack...*/
1.1 deraadt 374: }
375: }
1.41 espie 376: } else if (t == EOF) {
1.27 espie 377: if (sp > -1) {
378: warnx( "unexpected end of input, unclosed parenthesis:");
379: dump_stack(paren, PARLEV);
380: exit(1);
381: }
1.1 deraadt 382: if (ilevel <= 0)
383: break; /* all done thanks.. */
1.26 espie 384: release_input(infile+ilevel--);
1.54 espie 385: emit_synchline();
1.1 deraadt 386: bufbase = bbase[ilevel];
387: continue;
388: }
389: /*
1.7 deraadt 390: * non-alpha token possibly seen..
1.1 deraadt 391: * [the order of else if .. stmts is important.]
392: */
1.2 deraadt 393: else if (LOOK_AHEAD(t,lquote)) { /* strip quotes */
1.27 espie 394: nlpar = 0;
395: record(quotes, nlpar++);
1.30 espie 396: /*
397: * Opening quote: scan forward until matching
398: * closing quote has been found.
399: */
1.1 deraadt 400: do {
1.7 deraadt 401:
1.2 deraadt 402: l = gpbc();
1.7 deraadt 403: if (LOOK_AHEAD(l,rquote)) {
1.29 espie 404: if (--nlpar > 0)
405: outputstr(rquote);
1.7 deraadt 406: } else if (LOOK_AHEAD(l,lquote)) {
1.27 espie 407: record(quotes, nlpar++);
1.29 espie 408: outputstr(lquote);
1.17 espie 409: } else if (l == EOF) {
410: if (nlpar == 1)
1.27 espie 411: warnx("unclosed quote:");
1.17 espie 412: else
1.27 espie 413: warnx("%d unclosed quotes:", nlpar);
414: dump_stack(quotes, nlpar);
415: exit(1);
1.17 espie 416: } else {
1.29 espie 417: if (nlpar > 0) {
418: if (sp < 0)
1.54 espie 419: reallyputchar(l);
1.29 espie 420: else
1.48 espie 421: CHRSAVE(l);
1.29 espie 422: }
1.7 deraadt 423: }
1.1 deraadt 424: }
425: while (nlpar != 0);
426: }
427:
1.2 deraadt 428: else if (sp < 0 && LOOK_AHEAD(t, scommt)) {
1.54 espie 429: reallyoutputstr(scommt);
1.2 deraadt 430:
431: for(;;) {
432: t = gpbc();
433: if (LOOK_AHEAD(t, ecommt)) {
1.54 espie 434: reallyoutputstr(ecommt);
1.2 deraadt 435: break;
436: }
437: if (t == EOF)
438: break;
1.54 espie 439: reallyputchar(t);
1.1 deraadt 440: }
1.2 deraadt 441: }
442:
443: else if (sp < 0) { /* not in a macro at all */
1.54 espie 444: reallyputchar(t); /* output directly.. */
1.1 deraadt 445: }
446:
447: else switch(t) {
448:
449: case LPAREN:
450: if (PARLEV > 0)
451: chrsave(t);
452: while (isspace(l = gpbc()))
453: ; /* skip blank, tab, nl.. */
454: putback(l);
1.27 espie 455: record(paren, PARLEV++);
1.1 deraadt 456: break;
457:
458: case RPAREN:
459: if (--PARLEV > 0)
460: chrsave(t);
461: else { /* end of argument list */
462: chrsave(EOS);
463:
464: if (sp == STACKMAX)
1.11 espie 465: errx(1, "internal stack overflow");
1.1 deraadt 466:
1.44 espie 467: eval((const char **) mstack+fp+1, sp-fp,
1.60 espie 468: CALTYP, TRACESTATUS);
1.1 deraadt 469:
470: ep = PREVEP; /* flush strspace */
471: sp = PREVSP; /* previous sp.. */
472: fp = PREVFP; /* rewind stack...*/
473: }
474: break;
475:
476: case COMMA:
477: if (PARLEV == 1) {
478: chrsave(EOS); /* new argument */
479: while (isspace(l = gpbc()))
480: ;
481: putback(l);
482: pushs(ep);
483: } else
484: chrsave(t);
485: break;
486:
487: default:
1.22 espie 488: if (LOOK_AHEAD(t, scommt)) {
489: char *p;
490: for (p = scommt; *p; p++)
491: chrsave(*p);
492: for(;;) {
493: t = gpbc();
494: if (LOOK_AHEAD(t, ecommt)) {
495: for (p = ecommt; *p; p++)
496: chrsave(*p);
497: break;
498: }
499: if (t == EOF)
500: break;
1.48 espie 501: CHRSAVE(t);
1.22 espie 502: }
503: } else
1.48 espie 504: CHRSAVE(t); /* stack the char */
1.1 deraadt 505: break;
506: }
507: }
508: }
509:
1.24 espie 510: /*
511: * output string directly, without pushing it for reparses.
512: */
513: void
1.53 espie 514: outputstr(const char *s)
1.24 espie 515: {
516: if (sp < 0)
1.54 espie 517: reallyoutputstr(s);
1.24 espie 518: else
519: while (*s)
1.48 espie 520: CHRSAVE(*s++);
1.24 espie 521: }
522:
1.54 espie 523: void
524: reallyoutputstr(const char *s)
525: {
526: if (synch_lines) {
527: while (*s) {
528: fputc(*s, active);
529: if (*s++ == '\n') {
530: infile[ilevel].synch_lineno++;
531: if (infile[ilevel].synch_lineno !=
532: infile[ilevel].lineno)
533: do_emit_synchline();
534: }
535: }
536: } else
537: fputs(s, active);
538: }
539:
540: void
541: reallyputchar(int c)
542: {
543: putc(c, active);
544: if (synch_lines && c == '\n') {
545: infile[ilevel].synch_lineno++;
546: if (infile[ilevel].synch_lineno != infile[ilevel].lineno)
547: do_emit_synchline();
548: }
549: }
550:
1.1 deraadt 551: /*
552: * build an input token..
1.59 espie 553: * consider only those starting with _ or A-Za-z.
1.1 deraadt 554: */
1.18 espie 555: static ndptr
1.53 espie 556: inspect(int c, char *tp)
1.1 deraadt 557: {
1.17 espie 558: char *name = tp;
559: char *etp = tp+MAXTOK;
560: ndptr p;
1.25 espie 561:
1.59 espie 562: *tp++ = c;
1.1 deraadt 563:
564: while ((isalnum(c = gpbc()) || c == '_') && tp < etp)
1.59 espie 565: *tp++ = c;
1.51 espie 566: if (c != EOF)
567: PUTBACK(c);
1.1 deraadt 568: *tp = EOS;
1.33 espie 569: /* token is too long, it won't match anything, but it can still
570: * be output. */
571: if (tp == ep) {
572: outputstr(name);
573: while (isalnum(c = gpbc()) || c == '_') {
574: if (sp < 0)
1.54 espie 575: reallyputchar(c);
1.33 espie 576: else
1.48 espie 577: CHRSAVE(c);
1.33 espie 578: }
579: *name = EOS;
1.59 espie 580: return NULL;
1.33 espie 581: }
1.1 deraadt 582:
1.63 espie 583: p = ohash_find(¯os, ohash_qlookupi(¯os, name, (const char **)&tp));
1.61 espie 584: if (p == NULL)
585: return NULL;
586: if (macro_getdef(p) == NULL)
587: return NULL;
588: return p;
1.1 deraadt 589: }
590:
591: /*
592: * initkwds - initialise m4 keywords as fast as possible.
593: * This very similar to install, but without certain overheads,
594: * such as calling lookup. Malloc is not used for storing the
1.17 espie 595: * keyword strings, since we simply use the static pointers
1.1 deraadt 596: * within keywrds block.
597: */
1.18 espie 598: static void
1.56 deraadt 599: initkwds(void)
1.17 espie 600: {
1.59 espie 601: unsigned int type;
602: int i;
1.1 deraadt 603:
604: for (i = 0; i < MAXKEYS; i++) {
1.59 espie 605: type = keywrds[i].ktyp & TYPEMASK;
1.24 espie 606: if ((keywrds[i].ktyp & NOARGS) == 0)
1.59 espie 607: type |= NEEDARGS;
608: setup_builtin(keywrds[i].knam, type);
1.1 deraadt 609: }
1.45 espie 610: }
1.17 espie 611:
1.27 espie 612: static void
1.53 espie 613: record(struct position *t, int lev)
1.27 espie 614: {
615: if (lev < MAXRECORD) {
616: t[lev].name = CURRENT_NAME;
617: t[lev].line = CURRENT_LINE;
618: }
619: }
620:
621: static void
1.53 espie 622: dump_stack(struct position *t, int lev)
1.27 espie 623: {
624: int i;
625:
626: for (i = 0; i < lev; i++) {
627: if (i == MAXRECORD) {
628: fprintf(stderr, " ...\n");
629: break;
630: }
631: fprintf(stderr, " %s at line %lu\n",
632: t[i].name, t[i].line);
633: }
1.34 espie 634: }
635:
636:
637: static void
1.56 deraadt 638: enlarge_stack(void)
1.34 espie 639: {
1.64 espie 640: STACKMAX += STACKMAX/2;
641: mstack = xrealloc(mstack, sizeof(stae) * STACKMAX,
642: "Evaluation stack overflow (%lu)",
643: (unsigned long)STACKMAX);
644: sstack = xrealloc(sstack, STACKMAX,
645: "Evaluation stack overflow (%lu)",
646: (unsigned long)STACKMAX);
1.27 espie 647: }
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