Annotation of src/usr.bin/m4/main.c, Revision 1.88
1.88 ! cheloha 1: /* $OpenBSD: main.c,v 1.87 2017/06/15 13:48:42 bcallah 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: /*
37: * main.c
38: * Facility: m4 macro processor
39: * by: oz
40: */
41:
1.21 espie 42: #include <assert.h>
1.1 deraadt 43: #include <signal.h>
1.74 espie 44: #include <err.h>
1.1 deraadt 45: #include <errno.h>
46: #include <unistd.h>
47: #include <stdio.h>
48: #include <ctype.h>
49: #include <string.h>
1.13 espie 50: #include <stddef.h>
1.69 espie 51: #include <stdint.h>
1.34 espie 52: #include <stdlib.h>
1.63 espie 53: #include <ohash.h>
1.1 deraadt 54: #include "mdef.h"
55: #include "stdd.h"
56: #include "extern.h"
57: #include "pathnames.h"
58:
1.79 marco 59: stae *mstack; /* stack of m4 machine */
60: char *sstack; /* shadow stack, for string space extension */
1.34 espie 61: static size_t STACKMAX; /* current maximum size of stack */
1.79 marco 62: int sp; /* current m4 stack pointer */
63: int fp; /* m4 call frame pointer */
1.26 espie 64: struct input_file infile[MAXINP];/* input file stack (0=stdin) */
1.36 espie 65: FILE **outfile; /* diversion array(0=bitbucket)*/
66: int maxout;
1.1 deraadt 67: FILE *active; /* active output file pointer */
1.79 marco 68: int ilevel = 0; /* input file stack pointer */
69: int oindex = 0; /* diversion index.. */
1.1 deraadt 70: char *null = ""; /* as it says.. just a null.. */
1.79 marco 71: char **m4wraps = NULL; /* m4wraps array. */
1.66 espie 72: int maxwraps = 0; /* size of m4wraps array */
73: int wrapindex = 0; /* current offset in m4wraps */
1.2 deraadt 74: char lquote[MAXCCHARS+1] = {LQUOTE}; /* left quote character (`) */
75: char rquote[MAXCCHARS+1] = {RQUOTE}; /* right quote character (') */
76: char scommt[MAXCCHARS+1] = {SCOMMT}; /* start character for comment */
77: char ecommt[MAXCCHARS+1] = {ECOMMT}; /* end character for comment */
1.54 espie 78: int synch_lines = 0; /* line synchronisation for C preprocessor */
1.77 sthen 79: int prefix_builtins = 0; /* -P option to prefix builtin keywords */
1.87 bcallah 80: int error_warns = 0; /* -E option to make warnings exit_code = 1 */
81: int fatal_warns = 0; /* -E -E option to make warnings fatal */
1.1 deraadt 82:
1.63 espie 83: struct keyblk {
84: char *knam; /* keyword name */
85: int ktyp; /* keyword type */
86: };
87:
1.1 deraadt 88: struct keyblk keywrds[] = { /* m4 keywords to be installed */
1.8 millert 89: { "include", INCLTYPE },
90: { "sinclude", SINCTYPE },
91: { "define", DEFITYPE },
92: { "defn", DEFNTYPE },
1.24 espie 93: { "divert", DIVRTYPE | NOARGS },
1.8 millert 94: { "expr", EXPRTYPE },
95: { "eval", EXPRTYPE },
96: { "substr", SUBSTYPE },
97: { "ifelse", IFELTYPE },
98: { "ifdef", IFDFTYPE },
99: { "len", LENGTYPE },
100: { "incr", INCRTYPE },
101: { "decr", DECRTYPE },
1.24 espie 102: { "dnl", DNLNTYPE | NOARGS },
103: { "changequote", CHNQTYPE | NOARGS },
104: { "changecom", CHNCTYPE | NOARGS },
1.8 millert 105: { "index", INDXTYPE },
1.1 deraadt 106: #ifdef EXTENDED
1.8 millert 107: { "paste", PASTTYPE },
108: { "spaste", SPASTYPE },
1.79 marco 109: /* Newer extensions, needed to handle gnu-m4 scripts */
1.31 espie 110: { "indir", INDIRTYPE},
111: { "builtin", BUILTINTYPE},
112: { "patsubst", PATSTYPE},
113: { "regexp", REGEXPTYPE},
1.35 espie 114: { "esyscmd", ESYSCMDTYPE},
1.31 espie 115: { "__file__", FILENAMETYPE | NOARGS},
116: { "__line__", LINETYPE | NOARGS},
1.1 deraadt 117: #endif
1.8 millert 118: { "popdef", POPDTYPE },
119: { "pushdef", PUSDTYPE },
1.24 espie 120: { "dumpdef", DUMPTYPE | NOARGS },
121: { "shift", SHIFTYPE | NOARGS },
1.8 millert 122: { "translit", TRNLTYPE },
123: { "undefine", UNDFTYPE },
1.24 espie 124: { "undivert", UNDVTYPE | NOARGS },
125: { "divnum", DIVNTYPE | NOARGS },
1.8 millert 126: { "maketemp", MKTMTYPE },
1.78 espie 127: { "mkstemp", MKTMTYPE },
1.24 espie 128: { "errprint", ERRPTYPE | NOARGS },
129: { "m4wrap", M4WRTYPE | NOARGS },
130: { "m4exit", EXITTYPE | NOARGS },
1.8 millert 131: { "syscmd", SYSCTYPE },
1.24 espie 132: { "sysval", SYSVTYPE | NOARGS },
1.49 espie 133: { "traceon", TRACEONTYPE | NOARGS },
134: { "traceoff", TRACEOFFTYPE | NOARGS },
1.1 deraadt 135:
1.24 espie 136: { "unix", SELFTYPE | NOARGS },
1.1 deraadt 137: };
138:
139: #define MAXKEYS (sizeof(keywrds)/sizeof(struct keyblk))
140:
141: extern int optind;
142: extern char *optarg;
143:
1.27 espie 144: #define MAXRECORD 50
145: static struct position {
146: char *name;
147: unsigned long line;
148: } quotes[MAXRECORD], paren[MAXRECORD];
149:
1.52 millert 150: static void record(struct position *, int);
151: static void dump_stack(struct position *, int);
1.27 espie 152:
1.52 millert 153: static void macro(void);
154: static void initkwds(void);
155: static ndptr inspect(int, char *);
156: static int do_look_ahead(int, const char *);
1.54 espie 157: static void reallyoutputstr(const char *);
158: static void reallyputchar(int);
1.18 espie 159:
1.52 millert 160: static void enlarge_stack(void);
1.34 espie 161:
1.52 millert 162: int main(int, char *[]);
1.1 deraadt 163:
1.81 espie 164: int exit_code = 0;
165:
1.1 deraadt 166: int
1.53 espie 167: main(int argc, char *argv[])
1.1 deraadt 168: {
1.17 espie 169: int c;
170: int n;
1.1 deraadt 171: char *p;
1.85 espie 172:
173: if (pledge("stdio rpath wpath cpath tmppath proc exec", NULL) == -1)
174: err(1, "pledge");
1.1 deraadt 175:
176: if (signal(SIGINT, SIG_IGN) != SIG_IGN)
177: signal(SIGINT, onintr);
178:
1.61 espie 179: init_macros();
1.14 espie 180: initspaces();
1.34 espie 181: STACKMAX = INITSTACKMAX;
182:
1.83 espie 183: mstack = xreallocarray(NULL, STACKMAX, sizeof(stae), NULL);
1.82 espie 184: sstack = xalloc(STACKMAX, NULL);
1.1 deraadt 185:
1.36 espie 186: maxout = 0;
187: outfile = NULL;
188: resizedivs(MAXOUT);
189:
1.87 bcallah 190: while ((c = getopt(argc, argv, "gst:d:D:EU:o:I:P")) != -1)
1.1 deraadt 191: switch(c) {
192:
193: case 'D': /* define something..*/
194: for (p = optarg; *p; p++)
195: if (*p == '=')
196: break;
197: if (*p)
198: *p++ = EOS;
199: dodefine(optarg, p);
1.87 bcallah 200: break;
201: case 'E': /* like GNU m4 1.4.9+ */
202: if (error_warns == 0)
203: error_warns = 1;
204: else
205: fatal_warns = 1;
1.16 espie 206: break;
207: case 'I':
208: addtoincludepath(optarg);
1.1 deraadt 209: break;
1.77 sthen 210: case 'P':
211: prefix_builtins = 1;
212: break;
1.1 deraadt 213: case 'U': /* undefine... */
1.59 espie 214: macro_popdef(optarg);
1.32 espie 215: break;
216: case 'g':
217: mimic_gnu = 1;
1.1 deraadt 218: break;
1.46 espie 219: case 'd':
220: set_trace_flags(optarg);
1.47 espie 221: break;
1.54 espie 222: case 's':
223: synch_lines = 1;
224: break;
1.47 espie 225: case 't':
1.49 espie 226: mark_traced(optarg, 1);
1.46 espie 227: break;
1.38 aaron 228: case 'o':
1.46 espie 229: trace_file(optarg);
1.38 aaron 230: break;
1.88 ! cheloha 231: default:
1.1 deraadt 232: usage();
233: }
234:
235: argc -= optind;
236: argv += optind;
1.77 sthen 237:
238: initkwds();
239: if (mimic_gnu)
240: setup_builtin("format", FORMATTYPE);
1.1 deraadt 241:
242: active = stdout; /* default active output */
243: bbase[0] = bufbase;
244: if (!argc) {
1.79 marco 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;
1.79 marco 258: fp = 0;
1.1 deraadt 259: macro();
1.79 marco 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();
1.79 marco 279: }
1.66 espie 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:
1.81 espie 293: return exit_code;
1.1 deraadt 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) {
1.68 espie 313: pushback(t);
1.2 deraadt 314: while (--i)
1.68 espie 315: pushback(*--token);
1.2 deraadt 316: return 0;
317: }
318: }
319: return 1;
320: }
321:
1.79 marco 322: #define LOOK_AHEAD(t, token) (t != EOF && \
323: (unsigned char)(t)==(unsigned char)(token)[0] && \
1.43 espie 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();
1.68 espie 339:
340: if (LOOK_AHEAD(t,lquote)) { /* strip quotes */
341: nlpar = 0;
342: record(quotes, nlpar++);
343: /*
344: * Opening quote: scan forward until matching
345: * closing quote has been found.
346: */
347: do {
348:
349: l = gpbc();
350: if (LOOK_AHEAD(l,rquote)) {
351: if (--nlpar > 0)
352: outputstr(rquote);
353: } else if (LOOK_AHEAD(l,lquote)) {
354: record(quotes, nlpar++);
355: outputstr(lquote);
356: } else if (l == EOF) {
357: if (nlpar == 1)
358: warnx("unclosed quote:");
359: else
360: warnx("%d unclosed quotes:", nlpar);
361: dump_stack(quotes, nlpar);
362: exit(1);
363: } else {
364: if (nlpar > 0) {
365: if (sp < 0)
366: reallyputchar(l);
367: else
368: CHRSAVE(l);
369: }
370: }
371: }
372: while (nlpar != 0);
373: } else if (sp < 0 && LOOK_AHEAD(t, scommt)) {
374: reallyoutputstr(scommt);
375:
376: for(;;) {
377: t = gpbc();
378: if (LOOK_AHEAD(t, ecommt)) {
379: reallyoutputstr(ecommt);
380: break;
381: }
382: if (t == EOF)
383: break;
384: reallyputchar(t);
385: }
386: } else if (t == '_' || isalpha(t)) {
1.29 espie 387: p = inspect(t, token);
1.59 espie 388: if (p != NULL)
1.68 espie 389: pushback(l = gpbc());
1.79 marco 390: if (p == NULL || (l != LPAREN &&
1.59 espie 391: (macro_getdef(p)->type & NEEDARGS) != 0))
1.29 espie 392: outputstr(token);
1.1 deraadt 393: else {
394: /*
395: * real thing.. First build a call frame:
396: */
397: pushf(fp); /* previous call frm */
1.59 espie 398: pushf(macro_getdef(p)->type); /* type of the call */
1.63 espie 399: pushf(is_traced(p));
1.1 deraadt 400: pushf(0); /* parenthesis level */
401: fp = sp; /* new frame pointer */
402: /*
403: * now push the string arguments:
404: */
1.84 espie 405: pushdef(p); /* defn string */
1.59 espie 406: pushs1((char *)macro_name(p)); /* macro name */
1.79 marco 407: pushs(ep); /* start next..*/
1.1 deraadt 408:
1.79 marco 409: if (l != LPAREN && PARLEV == 0) {
1.41 espie 410: /* no bracks */
411: chrsave(EOS);
412:
413: if (sp == STACKMAX)
414: errx(1, "internal stack overflow");
1.79 marco 415: eval((const char **) mstack+fp+1, 2,
1.60 espie 416: CALTYP, TRACESTATUS);
1.41 espie 417:
418: ep = PREVEP; /* flush strspace */
419: sp = PREVSP; /* previous sp.. */
420: fp = PREVFP; /* rewind stack...*/
1.1 deraadt 421: }
422: }
1.41 espie 423: } else if (t == EOF) {
1.83 espie 424: if (!mimic_gnu /* you can puke right there */
425: && sp > -1 && ilevel <= 0) {
1.27 espie 426: warnx( "unexpected end of input, unclosed parenthesis:");
427: dump_stack(paren, PARLEV);
428: exit(1);
429: }
1.1 deraadt 430: if (ilevel <= 0)
431: break; /* all done thanks.. */
1.26 espie 432: release_input(infile+ilevel--);
1.54 espie 433: emit_synchline();
1.1 deraadt 434: bufbase = bbase[ilevel];
435: continue;
1.68 espie 436: } else if (sp < 0) { /* not in a macro at all */
1.54 espie 437: reallyputchar(t); /* output directly.. */
1.1 deraadt 438: }
439:
440: else switch(t) {
441:
442: case LPAREN:
443: if (PARLEV > 0)
444: chrsave(t);
1.76 espie 445: while (isspace(l = gpbc())) /* skip blank, tab, nl.. */
446: if (PARLEV > 0)
447: chrsave(l);
1.68 espie 448: pushback(l);
1.27 espie 449: record(paren, PARLEV++);
1.1 deraadt 450: break;
451:
452: case RPAREN:
453: if (--PARLEV > 0)
454: chrsave(t);
455: else { /* end of argument list */
456: chrsave(EOS);
457:
458: if (sp == STACKMAX)
1.11 espie 459: errx(1, "internal stack overflow");
1.1 deraadt 460:
1.79 marco 461: eval((const char **) mstack+fp+1, sp-fp,
1.60 espie 462: CALTYP, TRACESTATUS);
1.1 deraadt 463:
464: ep = PREVEP; /* flush strspace */
465: sp = PREVSP; /* previous sp.. */
466: fp = PREVFP; /* rewind stack...*/
467: }
468: break;
469:
470: case COMMA:
471: if (PARLEV == 1) {
472: chrsave(EOS); /* new argument */
473: while (isspace(l = gpbc()))
474: ;
1.68 espie 475: pushback(l);
1.1 deraadt 476: pushs(ep);
477: } else
478: chrsave(t);
479: break;
480:
481: default:
1.22 espie 482: if (LOOK_AHEAD(t, scommt)) {
483: char *p;
484: for (p = scommt; *p; p++)
485: chrsave(*p);
486: for(;;) {
487: t = gpbc();
488: if (LOOK_AHEAD(t, ecommt)) {
489: for (p = ecommt; *p; p++)
490: chrsave(*p);
491: break;
492: }
493: if (t == EOF)
494: break;
1.48 espie 495: CHRSAVE(t);
1.22 espie 496: }
497: } else
1.48 espie 498: CHRSAVE(t); /* stack the char */
1.1 deraadt 499: break;
500: }
501: }
502: }
503:
1.79 marco 504: /*
505: * output string directly, without pushing it for reparses.
1.24 espie 506: */
507: void
1.53 espie 508: outputstr(const char *s)
1.24 espie 509: {
510: if (sp < 0)
1.54 espie 511: reallyoutputstr(s);
1.24 espie 512: else
513: while (*s)
1.48 espie 514: CHRSAVE(*s++);
1.24 espie 515: }
516:
1.54 espie 517: void
518: reallyoutputstr(const char *s)
519: {
520: if (synch_lines) {
521: while (*s) {
522: fputc(*s, active);
523: if (*s++ == '\n') {
524: infile[ilevel].synch_lineno++;
1.79 marco 525: if (infile[ilevel].synch_lineno !=
1.54 espie 526: infile[ilevel].lineno)
527: do_emit_synchline();
528: }
529: }
530: } else
531: fputs(s, active);
532: }
533:
534: void
535: reallyputchar(int c)
536: {
537: putc(c, active);
538: if (synch_lines && c == '\n') {
539: infile[ilevel].synch_lineno++;
540: if (infile[ilevel].synch_lineno != infile[ilevel].lineno)
541: do_emit_synchline();
542: }
543: }
544:
1.1 deraadt 545: /*
546: * build an input token..
1.79 marco 547: * consider only those starting with _ or A-Za-z.
1.1 deraadt 548: */
1.18 espie 549: static ndptr
1.79 marco 550: inspect(int c, char *tp)
1.1 deraadt 551: {
1.17 espie 552: char *name = tp;
553: char *etp = tp+MAXTOK;
554: ndptr p;
1.79 marco 555:
1.59 espie 556: *tp++ = c;
1.1 deraadt 557:
558: while ((isalnum(c = gpbc()) || c == '_') && tp < etp)
1.59 espie 559: *tp++ = c;
1.51 espie 560: if (c != EOF)
1.68 espie 561: PUSHBACK(c);
1.1 deraadt 562: *tp = EOS;
1.33 espie 563: /* token is too long, it won't match anything, but it can still
564: * be output. */
565: if (tp == ep) {
566: outputstr(name);
567: while (isalnum(c = gpbc()) || c == '_') {
568: if (sp < 0)
1.54 espie 569: reallyputchar(c);
1.33 espie 570: else
1.48 espie 571: CHRSAVE(c);
1.33 espie 572: }
573: *name = EOS;
1.59 espie 574: return NULL;
1.33 espie 575: }
1.1 deraadt 576:
1.63 espie 577: p = ohash_find(¯os, ohash_qlookupi(¯os, name, (const char **)&tp));
1.61 espie 578: if (p == NULL)
579: return NULL;
580: if (macro_getdef(p) == NULL)
581: return NULL;
582: return p;
1.1 deraadt 583: }
584:
585: /*
1.79 marco 586: * initkwds - initialise m4 keywords as fast as possible.
1.1 deraadt 587: * This very similar to install, but without certain overheads,
1.79 marco 588: * such as calling lookup. Malloc is not used for storing the
1.17 espie 589: * keyword strings, since we simply use the static pointers
1.1 deraadt 590: * within keywrds block.
591: */
1.18 espie 592: static void
1.56 deraadt 593: initkwds(void)
1.17 espie 594: {
1.59 espie 595: unsigned int type;
596: int i;
1.1 deraadt 597:
598: for (i = 0; i < MAXKEYS; i++) {
1.59 espie 599: type = keywrds[i].ktyp & TYPEMASK;
1.24 espie 600: if ((keywrds[i].ktyp & NOARGS) == 0)
1.59 espie 601: type |= NEEDARGS;
602: setup_builtin(keywrds[i].knam, type);
1.1 deraadt 603: }
1.45 espie 604: }
1.17 espie 605:
1.27 espie 606: static void
1.53 espie 607: record(struct position *t, int lev)
1.27 espie 608: {
609: if (lev < MAXRECORD) {
610: t[lev].name = CURRENT_NAME;
611: t[lev].line = CURRENT_LINE;
612: }
613: }
614:
615: static void
1.53 espie 616: dump_stack(struct position *t, int lev)
1.27 espie 617: {
618: int i;
619:
620: for (i = 0; i < lev; i++) {
621: if (i == MAXRECORD) {
622: fprintf(stderr, " ...\n");
623: break;
624: }
1.79 marco 625: fprintf(stderr, " %s at line %lu\n",
1.27 espie 626: t[i].name, t[i].line);
627: }
1.34 espie 628: }
629:
630:
1.79 marco 631: static void
1.56 deraadt 632: enlarge_stack(void)
1.34 espie 633: {
1.64 espie 634: STACKMAX += STACKMAX/2;
1.82 espie 635: mstack = xreallocarray(mstack, STACKMAX, sizeof(stae),
1.79 marco 636: "Evaluation stack overflow (%lu)",
1.64 espie 637: (unsigned long)STACKMAX);
638: sstack = xrealloc(sstack, STACKMAX,
1.79 marco 639: "Evaluation stack overflow (%lu)",
1.64 espie 640: (unsigned long)STACKMAX);
1.27 espie 641: }
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