2 bff58270 2022-09-19 op * Copyright (c) 2022 Omar Polo <op@omarpolo.com>
3 bff58270 2022-09-19 op * Copyright (c) 2007-2016 Reyk Floeter <reyk@openbsd.org>
4 bff58270 2022-09-19 op * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
5 bff58270 2022-09-19 op * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
6 bff58270 2022-09-19 op * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
7 bff58270 2022-09-19 op * Copyright (c) 2001 Markus Friedl. All rights reserved.
8 bff58270 2022-09-19 op * Copyright (c) 2001 Daniel Hartmeier. All rights reserved.
9 bff58270 2022-09-19 op * Copyright (c) 2001 Theo de Raadt. All rights reserved.
11 bff58270 2022-09-19 op * Permission to use, copy, modify, and distribute this software for any
12 bff58270 2022-09-19 op * purpose with or without fee is hereby granted, provided that the above
13 bff58270 2022-09-19 op * copyright notice and this permission notice appear in all copies.
15 bff58270 2022-09-19 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
16 bff58270 2022-09-19 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
17 bff58270 2022-09-19 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
18 bff58270 2022-09-19 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 bff58270 2022-09-19 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
20 bff58270 2022-09-19 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
21 bff58270 2022-09-19 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
26 bff58270 2022-09-19 op #include <sys/queue.h>
28 bff58270 2022-09-19 op #include <ctype.h>
29 bff58270 2022-09-19 op #include <err.h>
30 bff58270 2022-09-19 op #include <stdio.h>
31 bff58270 2022-09-19 op #include <stdlib.h>
32 bff58270 2022-09-19 op #include <stdarg.h>
33 bff58270 2022-09-19 op #include <stdint.h>
34 bff58270 2022-09-19 op #include <string.h>
35 bff58270 2022-09-19 op #include <unistd.h>
37 bff58270 2022-09-19 op #ifndef nitems
38 bff58270 2022-09-19 op #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
41 bff58270 2022-09-19 op TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
42 bff58270 2022-09-19 op static struct file {
43 bff58270 2022-09-19 op TAILQ_ENTRY(file) entry;
46 bff58270 2022-09-19 op size_t ungetpos;
47 bff58270 2022-09-19 op size_t ungetsize;
48 8eb6aff8 2022-09-30 op unsigned char *ungetbuf;
49 bff58270 2022-09-19 op int eof_reached;
52 bff58270 2022-09-19 op } *file, *topfile;
53 bff58270 2022-09-19 op int parse(const char *);
54 bff58270 2022-09-19 op struct file *pushfile(const char *, int);
55 bff58270 2022-09-19 op int popfile(void);
56 bff58270 2022-09-19 op int yyparse(void);
57 bff58270 2022-09-19 op int yylex(void);
58 bff58270 2022-09-19 op int yyerror(const char *, ...)
59 bff58270 2022-09-19 op __attribute__((__format__ (printf, 1, 2)))
60 bff58270 2022-09-19 op __attribute__((__nonnull__ (1)));
61 bff58270 2022-09-19 op int kw_cmp(const void *, const void *);
62 bff58270 2022-09-19 op int lookup(char *);
63 bff58270 2022-09-19 op int igetc(void);
64 bff58270 2022-09-19 op int lgetc(int);
65 bff58270 2022-09-19 op void lungetc(int);
66 bff58270 2022-09-19 op int findeol(void);
68 bff58270 2022-09-19 op void dbg(void);
69 bff58270 2022-09-19 op void printq(const char *);
71 bff58270 2022-09-19 op extern int nodebug;
73 bff58270 2022-09-19 op static int block;
74 bff58270 2022-09-19 op static int in_define;
75 bff58270 2022-09-19 op static int errors;
76 9a90a3d1 2022-09-29 op static int lastline = -1;
78 bff58270 2022-09-19 op typedef struct {
87 83e0f74d 2022-09-29 op %token DEFINE ELSE END ERROR FINALLY IF INCLUDE PRINTF
88 bff58270 2022-09-19 op %token RENDER TQFOREACH UNSAFE URLESCAPE
89 bff58270 2022-09-19 op %token <v.string> STRING
90 bff58270 2022-09-19 op %type <v.string> string
91 6125bd61 2022-09-29 op %type <v.string> stringy
95 bff58270 2022-09-19 op grammar : /* empty */
96 bff58270 2022-09-19 op | grammar include
97 bff58270 2022-09-19 op | grammar verbatim
98 bff58270 2022-09-19 op | grammar block
99 bff58270 2022-09-19 op | grammar error { file->errors++; }
102 bff58270 2022-09-19 op include : INCLUDE STRING {
103 bff58270 2022-09-19 op struct file *nfile;
105 bff58270 2022-09-19 op if ((nfile = pushfile($2, 0)) == NULL) {
106 bff58270 2022-09-19 op yyerror("failed to include file %s", $2);
112 bff58270 2022-09-19 op file = nfile;
113 bff58270 2022-09-19 op lungetc('\n');
117 bff58270 2022-09-19 op verbatim : '!' verbatim1 '!' {
118 bff58270 2022-09-19 op if (in_define) {
119 bff58270 2022-09-19 op /* TODO: check template status and exit in case */
124 bff58270 2022-09-19 op verbatim1 : /* empty */
125 bff58270 2022-09-19 op | verbatim1 STRING {
126 bff58270 2022-09-19 op if (*$2 != '\0') {
134 bff58270 2022-09-19 op verbatims : /* empty */
135 bff58270 2022-09-19 op | verbatims verbatim
138 bff58270 2022-09-19 op raw : STRING {
140 95448b62 2022-09-29 op printf("if ((tp_ret = tp->tp_puts(tp, ");
142 37b638a4 2022-09-29 op puts(")) == -1) goto err;");
148 bff58270 2022-09-19 op block : define body end {
149 37b638a4 2022-09-29 op puts("err:");
150 95448b62 2022-09-29 op puts("return tp_ret;");
152 bff58270 2022-09-19 op in_define = 0;
154 bff58270 2022-09-19 op | define body finally end {
155 95448b62 2022-09-29 op puts("return tp_ret;");
157 bff58270 2022-09-19 op in_define = 0;
161 bff58270 2022-09-19 op define : '{' DEFINE string '}' {
162 bff58270 2022-09-19 op in_define = 1;
165 bff58270 2022-09-19 op printf("int\n%s\n{\n", $3);
166 95448b62 2022-09-29 op puts("int tp_ret = 0;");
172 bff58270 2022-09-19 op body : /* empty */
173 bff58270 2022-09-19 op | body verbatim
175 bff58270 2022-09-19 op | body special
178 bff58270 2022-09-19 op special : '{' RENDER string '}' {
180 95448b62 2022-09-29 op printf("if ((tp_ret = %s) == -1) goto err;\n", $3);
184 bff58270 2022-09-19 op | if body endif { puts("}"); }
186 bff58270 2022-09-19 op | '{' string '|' UNSAFE '}' {
188 95448b62 2022-09-29 op printf("if ((tp_ret = tp->tp_puts(tp, %s)) == -1)\n",
190 95448b62 2022-09-29 op puts("goto err;");
193 bff58270 2022-09-19 op | '{' string '|' URLESCAPE '}' {
195 95448b62 2022-09-29 op printf("if ((tp_ret = tp_urlescape(tp, %s)) == -1)\n",
197 95448b62 2022-09-29 op puts("goto err;");
200 bff58270 2022-09-19 op | '{' string '}' {
202 95448b62 2022-09-29 op printf("if ((tp_ret = tp->tp_escape(tp, %s)) == -1)\n",
204 95448b62 2022-09-29 op puts("goto err;");
209 83e0f74d 2022-09-29 op printf : '{' PRINTF {
211 83e0f74d 2022-09-29 op printf("if (asprintf(&tp->tp_tmp, ");
212 83e0f74d 2022-09-29 op } printfargs '}' {
213 37b638a4 2022-09-29 op puts(") == -1)");
214 37b638a4 2022-09-29 op puts("goto err;");
215 95448b62 2022-09-29 op puts("if ((tp_ret = tp->tp_escape(tp, tp->tp_tmp)) "
217 83e0f74d 2022-09-29 op puts("goto err;");
218 83e0f74d 2022-09-29 op puts("free(tp->tp_tmp);");
219 83e0f74d 2022-09-29 op puts("tp->tp_tmp = NULL;");
223 83e0f74d 2022-09-29 op printfargs : /* empty */
224 83e0f74d 2022-09-29 op | printfargs STRING {
225 83e0f74d 2022-09-29 op printf(" %s", $2);
230 6125bd61 2022-09-29 op if : '{' IF stringy '}' {
232 bff58270 2022-09-19 op printf("if (%s) {\n", $3);
238 bff58270 2022-09-19 op | else body end
239 bff58270 2022-09-19 op | elsif body endif
242 6125bd61 2022-09-29 op elsif : '{' ELSE IF stringy '}' {
244 bff58270 2022-09-19 op printf("} else if (%s) {\n", $4);
249 bff58270 2022-09-19 op else : '{' ELSE '}' {
251 bff58270 2022-09-19 op puts("} else {");
255 bff58270 2022-09-19 op loop : '{' TQFOREACH STRING STRING STRING '}' {
256 bff58270 2022-09-19 op printf("TAILQ_FOREACH(%s, %s, %s) {\n",
266 bff58270 2022-09-19 op end : '{' END '}'
269 bff58270 2022-09-19 op finally : '{' FINALLY '}' {
271 83f0f95a 2022-09-29 op puts("err:");
275 bff58270 2022-09-19 op string : STRING string {
276 bff58270 2022-09-19 op if (asprintf(&$$, "%s %s", $1, $2) == -1)
277 bff58270 2022-09-19 op err(1, "asprintf");
284 6125bd61 2022-09-29 op stringy : STRING
285 6125bd61 2022-09-29 op | STRING stringy {
286 6125bd61 2022-09-29 op if (asprintf(&$$, "%s %s", $1, $2) == -1)
287 6125bd61 2022-09-29 op err(1, "asprintf");
291 6125bd61 2022-09-29 op | '|' stringy {
292 6125bd61 2022-09-29 op if (asprintf(&$$, "|%s", $2) == -1)
293 6125bd61 2022-09-29 op err(1, "asprintf");
300 bff58270 2022-09-19 op struct keywords {
301 bff58270 2022-09-19 op const char *k_name;
306 bff58270 2022-09-19 op yyerror(const char *fmt, ...)
311 bff58270 2022-09-19 op file->errors++;
312 bff58270 2022-09-19 op va_start(ap, fmt);
313 bff58270 2022-09-19 op if (vasprintf(&msg, fmt, ap) == -1)
314 bff58270 2022-09-19 op err(1, "yyerror vasprintf");
316 bff58270 2022-09-19 op fprintf(stderr, "%s:%d: %s\n", file->name, yylval.lineno, msg);
322 bff58270 2022-09-19 op kw_cmp(const void *k, const void *e)
324 bff58270 2022-09-19 op return (strcmp(k, ((const struct keywords *)e)->k_name));
328 bff58270 2022-09-19 op lookup(char *s)
330 bff58270 2022-09-19 op /* this has to be sorted always */
331 bff58270 2022-09-19 op static const struct keywords keywords[] = {
332 bff58270 2022-09-19 op { "define", DEFINE },
333 bff58270 2022-09-19 op { "else", ELSE },
334 bff58270 2022-09-19 op { "end", END },
335 bff58270 2022-09-19 op { "finally", FINALLY },
336 bff58270 2022-09-19 op { "if", IF },
337 bff58270 2022-09-19 op { "include", INCLUDE },
338 83e0f74d 2022-09-29 op { "printf", PRINTF },
339 bff58270 2022-09-19 op { "render", RENDER },
340 bff58270 2022-09-19 op { "tailq-foreach", TQFOREACH },
341 bff58270 2022-09-19 op { "unsafe", UNSAFE },
342 bff58270 2022-09-19 op { "urlescape", URLESCAPE },
344 bff58270 2022-09-19 op const struct keywords *p;
346 bff58270 2022-09-19 op p = bsearch(s, keywords, nitems(keywords), sizeof(keywords[0]),
350 bff58270 2022-09-19 op return (p->k_val);
352 bff58270 2022-09-19 op return (STRING);
355 bff58270 2022-09-19 op #define START_EXPAND 1
356 bff58270 2022-09-19 op #define DONE_EXPAND 2
358 bff58270 2022-09-19 op static int expanding;
366 bff58270 2022-09-19 op if (file->ungetpos > 0)
367 bff58270 2022-09-19 op c = file->ungetbuf[--file->ungetpos];
369 bff58270 2022-09-19 op c = getc(file->stream);
371 bff58270 2022-09-19 op if (c == START_EXPAND)
372 bff58270 2022-09-19 op expanding = 1;
373 bff58270 2022-09-19 op else if (c == DONE_EXPAND)
374 bff58270 2022-09-19 op expanding = 0;
382 bff58270 2022-09-19 op lgetc(int quotec)
386 bff58270 2022-09-19 op if (quotec) {
387 bff58270 2022-09-19 op if ((c = igetc()) == EOF) {
388 bff58270 2022-09-19 op yyerror("reached end of filewhile parsing "
389 bff58270 2022-09-19 op "quoted string");
390 bff58270 2022-09-19 op if (file == topfile || popfile() == EOF)
391 bff58270 2022-09-19 op return (EOF);
392 bff58270 2022-09-19 op return (quotec);
398 bff58270 2022-09-19 op if (c == '\t' || c == ' ') {
399 bff58270 2022-09-19 op /* Compress blanks to a sigle space. */
401 bff58270 2022-09-19 op c = getc(file->stream);
402 bff58270 2022-09-19 op } while (c == '\t' || c == ' ');
403 bff58270 2022-09-19 op ungetc(c, file->stream);
407 bff58270 2022-09-19 op if (c == EOF) {
409 bff58270 2022-09-19 op * Fake EOL when hit EOF for the first time. This gets line
410 bff58270 2022-09-19 op * count rigchtif last line included file is syntactically
411 bff58270 2022-09-19 op * invalid and has no newline.
413 bff58270 2022-09-19 op if (file->eof_reached == 0) {
414 bff58270 2022-09-19 op file->eof_reached = 1;
415 bff58270 2022-09-19 op return ('\n');
417 bff58270 2022-09-19 op while (c == EOF) {
418 bff58270 2022-09-19 op if (file == topfile || popfile() == EOF)
419 bff58270 2022-09-19 op return (EOF);
427 bff58270 2022-09-19 op lungetc(int c)
429 bff58270 2022-09-19 op if (c == EOF)
432 bff58270 2022-09-19 op if (file->ungetpos >= file->ungetsize) {
433 bff58270 2022-09-19 op void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
434 bff58270 2022-09-19 op if (p == NULL)
435 bff58270 2022-09-19 op err(1, "reallocarray");
436 bff58270 2022-09-19 op file->ungetbuf = p;
437 bff58270 2022-09-19 op file->ungetsize *= 2;
439 bff58270 2022-09-19 op file->ungetbuf[file->ungetpos++] = c;
443 bff58270 2022-09-19 op findeol(void)
447 bff58270 2022-09-19 op /* skip to either EOF or the first real EOL */
449 bff58270 2022-09-19 op c = lgetc(0);
450 bff58270 2022-09-19 op if (c == '\n') {
451 bff58270 2022-09-19 op file->lineno++;
454 bff58270 2022-09-19 op if (c == EOF)
457 bff58270 2022-09-19 op return (ERROR);
463 bff58270 2022-09-19 op char buf[8096];
464 bff58270 2022-09-19 op char *p = buf;
467 bff58270 2022-09-19 op int starting = 0;
468 bff58270 2022-09-19 op int ending = 0;
470 bff58270 2022-09-19 op if (!in_define && block == 0) {
471 bff58270 2022-09-19 op while ((c = lgetc(0)) != '{' && c != EOF) {
472 bff58270 2022-09-19 op if (c == '\n')
473 bff58270 2022-09-19 op file->lineno++;
476 bff58270 2022-09-19 op if (c == EOF)
480 bff58270 2022-09-19 op c = lgetc(0);
481 bff58270 2022-09-19 op if (c == '{' || c == '!') {
482 bff58270 2022-09-19 op if (c == '{')
488 bff58270 2022-09-19 op if (c == '\n')
489 bff58270 2022-09-19 op file->lineno++;
492 bff58270 2022-09-19 op while ((c = lgetc(0)) == ' ' || c == '\t' || c == '\n') {
493 bff58270 2022-09-19 op if (c == '\n')
494 bff58270 2022-09-19 op file->lineno++;
497 bff58270 2022-09-19 op if (c == EOF) {
498 bff58270 2022-09-19 op yyerror("unterminated block");
502 bff58270 2022-09-19 op yylval.lineno = file->lineno;
504 bff58270 2022-09-19 op if (block != 0 && c == block) {
505 bff58270 2022-09-19 op if ((c = lgetc(0)) == '}') {
506 bff58270 2022-09-19 op if (block == '!') {
508 bff58270 2022-09-19 op return ('!');
511 bff58270 2022-09-19 op return ('}');
517 bff58270 2022-09-19 op if (in_define && block == 0) {
518 bff58270 2022-09-19 op if (c == '{')
519 bff58270 2022-09-19 op goto newblock;
522 bff58270 2022-09-19 op if (starting) {
523 bff58270 2022-09-19 op if (c == '!' || c == '{') {
524 bff58270 2022-09-19 op lungetc('{');
528 bff58270 2022-09-19 op starting = 0;
531 bff58270 2022-09-19 op } else if (c == '{') {
532 bff58270 2022-09-19 op starting = 1;
537 bff58270 2022-09-19 op if ((size_t)(p - buf) >= sizeof(buf)) {
538 bff58270 2022-09-19 op yyerror("string too long");
539 bff58270 2022-09-19 op return (findeol());
541 bff58270 2022-09-19 op } while ((c = lgetc(0)) != EOF && c != '\n');
543 bff58270 2022-09-19 op if (c == EOF) {
544 bff58270 2022-09-19 op yyerror("unterminated block");
547 bff58270 2022-09-19 op if (c == '\n')
548 bff58270 2022-09-19 op file->lineno++;
549 bff58270 2022-09-19 op if ((yylval.v.string = strdup(buf)) == NULL)
550 bff58270 2022-09-19 op err(1, "strdup");
551 bff58270 2022-09-19 op return (STRING);
554 bff58270 2022-09-19 op if (block == '!') {
556 bff58270 2022-09-19 op if (ending) {
557 bff58270 2022-09-19 op if (c == '}') {
559 bff58270 2022-09-19 op lungetc(block);
565 bff58270 2022-09-19 op } else if (c == '!') {
571 bff58270 2022-09-19 op if ((size_t)(p - buf) >= sizeof(buf)) {
572 bff58270 2022-09-19 op yyerror("line too long");
573 bff58270 2022-09-19 op return (findeol());
575 bff58270 2022-09-19 op } while ((c = lgetc(0)) != EOF && c != '\n');
578 bff58270 2022-09-19 op if (c == EOF) {
579 bff58270 2022-09-19 op yyerror("unterminated block");
582 bff58270 2022-09-19 op if (c == '\n')
583 bff58270 2022-09-19 op file->lineno++;
585 bff58270 2022-09-19 op if ((yylval.v.string = strdup(buf)) == NULL)
586 bff58270 2022-09-19 op err(1, "strdup");
587 bff58270 2022-09-19 op return (STRING);
590 bff58270 2022-09-19 op if (c == '|')
594 bff58270 2022-09-19 op if (c == '|') {
599 bff58270 2022-09-19 op if (ending) {
600 bff58270 2022-09-19 op if (c == '}') {
602 bff58270 2022-09-19 op lungetc('}');
608 bff58270 2022-09-19 op } else if (c == '}') {
614 bff58270 2022-09-19 op if ((size_t)(p - buf) >= sizeof(buf)) {
615 bff58270 2022-09-19 op yyerror("string too long");
616 bff58270 2022-09-19 op return (findeol());
618 bff58270 2022-09-19 op } while ((c = lgetc(0)) != EOF && !isspace((unsigned char)c));
621 bff58270 2022-09-19 op if (c == EOF) {
622 bff58270 2022-09-19 op yyerror("unterminated block");
625 bff58270 2022-09-19 op if (c == '\n')
626 bff58270 2022-09-19 op file->lineno++;
627 bff58270 2022-09-19 op if ((token = lookup(buf)) == STRING)
628 bff58270 2022-09-19 op if ((yylval.v.string = strdup(buf)) == NULL)
629 bff58270 2022-09-19 op err(1, "strdup");
630 bff58270 2022-09-19 op return (token);
633 bff58270 2022-09-19 op struct file *
634 bff58270 2022-09-19 op pushfile(const char *name, int secret)
636 bff58270 2022-09-19 op struct file *nfile;
638 bff58270 2022-09-19 op if ((nfile = calloc(1, sizeof(*nfile))) == NULL)
639 bff58270 2022-09-19 op err(1, "calloc");
640 bff58270 2022-09-19 op if ((nfile->name = strdup(name)) == NULL)
641 bff58270 2022-09-19 op err(1, "strdup");
642 bff58270 2022-09-19 op if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {
643 bff58270 2022-09-19 op warn("can't open %s", nfile->name);
644 bff58270 2022-09-19 op free(nfile->name);
646 bff58270 2022-09-19 op return (NULL);
648 bff58270 2022-09-19 op nfile->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
649 bff58270 2022-09-19 op nfile->ungetsize = 16;
650 bff58270 2022-09-19 op nfile->ungetbuf = malloc(nfile->ungetsize);
651 bff58270 2022-09-19 op if (nfile->ungetbuf == NULL)
652 bff58270 2022-09-19 op err(1, "malloc");
653 bff58270 2022-09-19 op TAILQ_INSERT_TAIL(&files, nfile, entry);
654 bff58270 2022-09-19 op return (nfile);
658 bff58270 2022-09-19 op popfile(void)
660 bff58270 2022-09-19 op struct file *prev;
662 bff58270 2022-09-19 op if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
663 bff58270 2022-09-19 op prev->errors += file->errors;
665 bff58270 2022-09-19 op TAILQ_REMOVE(&files, file, entry);
666 bff58270 2022-09-19 op fclose(file->stream);
667 bff58270 2022-09-19 op free(file->name);
668 bff58270 2022-09-19 op free(file->ungetbuf);
671 bff58270 2022-09-19 op return (file ? 0 : EOF);
675 bff58270 2022-09-19 op parse(const char *filename)
677 bff58270 2022-09-19 op if ((file = pushfile(filename, 0)) == 0)
679 bff58270 2022-09-19 op topfile = file;
682 bff58270 2022-09-19 op errors = file->errors;
685 bff58270 2022-09-19 op return (errors ? -1 : 0);
694 9a90a3d1 2022-09-29 op if (yylval.lineno == lastline + 1) {
695 9a90a3d1 2022-09-29 op lastline = yylval.lineno;
698 9a90a3d1 2022-09-29 op lastline = yylval.lineno;
700 bff58270 2022-09-19 op printf("#line %d ", yylval.lineno);
701 bff58270 2022-09-19 op printq(file->name);
702 bff58270 2022-09-19 op putchar('\n');
706 bff58270 2022-09-19 op printq(const char *str)
708 bff58270 2022-09-19 op putchar('"');
709 bff58270 2022-09-19 op for (; *str; ++str) {
710 bff58270 2022-09-19 op if (*str == '"')
711 bff58270 2022-09-19 op putchar('\\');
712 bff58270 2022-09-19 op putchar(*str);
714 bff58270 2022-09-19 op putchar('"');