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Commit | Line | Data |
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726f6388 | 1 | /* print_command -- A way to make readable commands from a command tree. */ |
b80f6443 | 2 | |
74091dd4 | 3 | /* Copyright (C) 1989-2022 Free Software Foundation, Inc. |
726f6388 | 4 | |
3185942a | 5 | This file is part of GNU Bash, the Bourne Again SHell. |
726f6388 | 6 | |
3185942a JA |
7 | Bash is free software: you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation, either version 3 of the License, or | |
10 | (at your option) any later version. | |
726f6388 | 11 | |
3185942a JA |
12 | Bash is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
726f6388 | 16 | |
3185942a JA |
17 | You should have received a copy of the GNU General Public License |
18 | along with Bash. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
726f6388 | 20 | |
ccc6cda3 JA |
21 | #include "config.h" |
22 | ||
726f6388 JA |
23 | #include <stdio.h> |
24 | ||
ccc6cda3 | 25 | #if defined (HAVE_UNISTD_H) |
cce855bc JA |
26 | # ifdef _MINIX |
27 | # include <sys/types.h> | |
28 | # endif | |
ccc6cda3 JA |
29 | # include <unistd.h> |
30 | #endif | |
31 | ||
32 | #if defined (PREFER_STDARG) | |
33 | # include <stdarg.h> | |
34 | #else | |
7117c2d2 | 35 | # include <varargs.h> |
726f6388 JA |
36 | #endif |
37 | ||
ccc6cda3 | 38 | #include "bashansi.h" |
b80f6443 | 39 | #include "bashintl.h" |
726f6388 | 40 | |
d233b485 CR |
41 | #define NEED_XTRACE_SET_DECL |
42 | ||
726f6388 | 43 | #include "shell.h" |
7117c2d2 | 44 | #include "flags.h" |
d166f048 | 45 | #include <y.tab.h> /* use <...> so we pick it up from the build directory */ |
a0c0a00f | 46 | #include "input.h" |
95732b49 JA |
47 | |
48 | #include "shmbutil.h" | |
49 | ||
726f6388 JA |
50 | #include "builtins/common.h" |
51 | ||
f73dda09 | 52 | #if !HAVE_DECL_PRINTF |
8868edaf | 53 | extern int printf PARAMS((const char *, ...)); /* Yuck. Double yuck. */ |
726f6388 JA |
54 | #endif |
55 | ||
ccc6cda3 | 56 | static int indentation; |
726f6388 JA |
57 | static int indentation_amount = 4; |
58 | ||
d166f048 | 59 | #if defined (PREFER_STDARG) |
8868edaf | 60 | typedef void PFUNC PARAMS((const char *, ...)); |
f73dda09 | 61 | |
8868edaf CR |
62 | static void cprintf PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2))); |
63 | static void xprintf PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2))); | |
d166f048 | 64 | #else |
f73dda09 | 65 | #define PFUNC VFunction |
d166f048 | 66 | static void cprintf (); |
f73dda09 | 67 | static void xprintf (); |
d166f048 | 68 | #endif |
ccc6cda3 | 69 | |
8868edaf CR |
70 | static void reset_locals PARAMS((void)); |
71 | static void newline PARAMS((char *)); | |
72 | static void indent PARAMS((int)); | |
73 | static void semicolon PARAMS((void)); | |
74 | static void the_printed_command_resize PARAMS((int)); | |
75 | ||
76 | static void make_command_string_internal PARAMS((COMMAND *)); | |
77 | static void _print_word_list PARAMS((WORD_LIST *, char *, PFUNC *)); | |
78 | static void command_print_word_list PARAMS((WORD_LIST *, char *)); | |
79 | static void print_case_clauses PARAMS((PATTERN_LIST *)); | |
80 | static void print_redirection_list PARAMS((REDIRECT *)); | |
81 | static void print_redirection PARAMS((REDIRECT *)); | |
82 | static void print_heredoc_header PARAMS((REDIRECT *)); | |
83 | static void print_heredoc_body PARAMS((REDIRECT *)); | |
84 | static void print_heredocs PARAMS((REDIRECT *)); | |
85 | static void print_heredoc_bodies PARAMS((REDIRECT *)); | |
86 | static void print_deferred_heredocs PARAMS((const char *)); | |
87 | ||
88 | static void print_for_command PARAMS((FOR_COM *)); | |
f73dda09 | 89 | #if defined (ARITH_FOR_COMMAND) |
8868edaf | 90 | static void print_arith_for_command PARAMS((ARITH_FOR_COM *)); |
f73dda09 | 91 | #endif |
726f6388 | 92 | #if defined (SELECT_COMMAND) |
8868edaf | 93 | static void print_select_command PARAMS((SELECT_COM *)); |
726f6388 | 94 | #endif |
8868edaf CR |
95 | static void print_group_command PARAMS((GROUP_COM *)); |
96 | static void print_case_command PARAMS((CASE_COM *)); | |
97 | static void print_while_command PARAMS((WHILE_COM *)); | |
98 | static void print_until_command PARAMS((WHILE_COM *)); | |
99 | static void print_until_or_while PARAMS((WHILE_COM *, char *)); | |
100 | static void print_if_command PARAMS((IF_COM *)); | |
cce855bc | 101 | #if defined (COND_COMMAND) |
8868edaf | 102 | static void print_cond_node PARAMS((COND_COM *)); |
bb70624e | 103 | #endif |
8868edaf | 104 | static void print_function_def PARAMS((FUNCTION_DEF *)); |
726f6388 | 105 | |
d166f048 JA |
106 | #define PRINTED_COMMAND_INITIAL_SIZE 64 |
107 | #define PRINTED_COMMAND_GROW_SIZE 128 | |
726f6388 JA |
108 | |
109 | char *the_printed_command = (char *)NULL; | |
110 | int the_printed_command_size = 0; | |
111 | int command_string_index = 0; | |
112 | ||
0001803f CR |
113 | int xtrace_fd = -1; |
114 | FILE *xtrace_fp = 0; | |
115 | ||
116 | #define CHECK_XTRACE_FP xtrace_fp = (xtrace_fp ? xtrace_fp : stderr) | |
117 | ||
ac50fbac CR |
118 | /* shell expansion characters: used in print_redirection_list */ |
119 | #define EXPCHAR(c) ((c) == '{' || (c) == '~' || (c) == '$' || (c) == '`') | |
120 | ||
30d188c2 CR |
121 | #define PRINT_DEFERRED_HEREDOCS(x) \ |
122 | do { \ | |
123 | if (deferred_heredocs) \ | |
124 | print_deferred_heredocs (x); \ | |
125 | } while (0) | |
126 | ||
726f6388 | 127 | /* Non-zero means the stuff being printed is inside of a function def. */ |
ccc6cda3 JA |
128 | static int inside_function_def; |
129 | static int skip_this_indent; | |
d166f048 | 130 | static int was_heredoc; |
3185942a | 131 | static int printing_connection; |
74091dd4 | 132 | static int printing_comsub; |
3185942a | 133 | static REDIRECT *deferred_heredocs; |
726f6388 JA |
134 | |
135 | /* The depth of the group commands that we are currently printing. This | |
136 | includes the group command that is a function body. */ | |
ccc6cda3 | 137 | static int group_command_nesting; |
726f6388 | 138 | |
7117c2d2 | 139 | /* A buffer to indicate the indirection level (PS4) when set -x is enabled. */ |
ac50fbac CR |
140 | static char *indirection_string = 0; |
141 | static int indirection_stringsiz = 0; | |
7117c2d2 | 142 | |
726f6388 JA |
143 | /* Print COMMAND (a command tree) on standard output. */ |
144 | void | |
145 | print_command (command) | |
146 | COMMAND *command; | |
147 | { | |
148 | command_string_index = 0; | |
149 | printf ("%s", make_command_string (command)); | |
150 | } | |
151 | ||
152 | /* Make a string which is the printed representation of the command | |
153 | tree in COMMAND. We return this string. However, the string is | |
154 | not consed, so you have to do that yourself if you want it to | |
155 | remain around. */ | |
156 | char * | |
157 | make_command_string (command) | |
158 | COMMAND *command; | |
159 | { | |
d166f048 | 160 | command_string_index = was_heredoc = 0; |
3185942a | 161 | deferred_heredocs = 0; |
726f6388 JA |
162 | make_command_string_internal (command); |
163 | return (the_printed_command); | |
164 | } | |
165 | ||
74091dd4 CR |
166 | /* Print a command substitution after parsing it in parse_comsub to turn it |
167 | back into an external representation without turning newlines into `;'. | |
168 | Placeholder for other changes, if any are necessary. */ | |
169 | char * | |
170 | print_comsub (command) | |
171 | COMMAND *command; | |
172 | { | |
173 | char *ret; | |
174 | ||
175 | printing_comsub++; | |
176 | ret = make_command_string (command); | |
177 | printing_comsub--; | |
178 | return ret; | |
179 | } | |
180 | ||
726f6388 JA |
181 | /* The internal function. This is the real workhorse. */ |
182 | static void | |
183 | make_command_string_internal (command) | |
184 | COMMAND *command; | |
185 | { | |
495aee44 | 186 | char s[3]; |
3185942a | 187 | |
ccc6cda3 | 188 | if (command == 0) |
726f6388 JA |
189 | cprintf (""); |
190 | else | |
191 | { | |
192 | if (skip_this_indent) | |
193 | skip_this_indent--; | |
194 | else | |
195 | indent (indentation); | |
196 | ||
ccc6cda3 | 197 | if (command->flags & CMD_TIME_PIPELINE) |
d166f048 JA |
198 | { |
199 | cprintf ("time "); | |
200 | if (command->flags & CMD_TIME_POSIX) | |
201 | cprintf ("-p "); | |
202 | } | |
ccc6cda3 | 203 | |
726f6388 JA |
204 | if (command->flags & CMD_INVERT_RETURN) |
205 | cprintf ("! "); | |
206 | ||
207 | switch (command->type) | |
208 | { | |
209 | case cm_for: | |
210 | print_for_command (command->value.For); | |
211 | break; | |
212 | ||
bb70624e JA |
213 | #if defined (ARITH_FOR_COMMAND) |
214 | case cm_arith_for: | |
215 | print_arith_for_command (command->value.ArithFor); | |
216 | break; | |
217 | #endif | |
218 | ||
726f6388 JA |
219 | #if defined (SELECT_COMMAND) |
220 | case cm_select: | |
221 | print_select_command (command->value.Select); | |
222 | break; | |
223 | #endif | |
224 | ||
225 | case cm_case: | |
226 | print_case_command (command->value.Case); | |
227 | break; | |
228 | ||
229 | case cm_while: | |
230 | print_while_command (command->value.While); | |
231 | break; | |
232 | ||
233 | case cm_until: | |
234 | print_until_command (command->value.While); | |
235 | break; | |
236 | ||
237 | case cm_if: | |
238 | print_if_command (command->value.If); | |
239 | break; | |
240 | ||
cce855bc JA |
241 | #if defined (DPAREN_ARITHMETIC) |
242 | case cm_arith: | |
b80f6443 | 243 | print_arith_command (command->value.Arith->exp); |
cce855bc JA |
244 | break; |
245 | #endif | |
246 | ||
247 | #if defined (COND_COMMAND) | |
248 | case cm_cond: | |
249 | print_cond_command (command->value.Cond); | |
250 | break; | |
251 | #endif | |
252 | ||
726f6388 JA |
253 | case cm_simple: |
254 | print_simple_command (command->value.Simple); | |
255 | break; | |
256 | ||
ccc6cda3 | 257 | case cm_connection: |
726f6388 JA |
258 | |
259 | skip_this_indent++; | |
3185942a | 260 | printing_connection++; |
726f6388 JA |
261 | make_command_string_internal (command->value.Connection->first); |
262 | ||
263 | switch (command->value.Connection->connector) | |
264 | { | |
265 | case '&': | |
266 | case '|': | |
267 | { | |
268 | char c = command->value.Connection->connector; | |
3185942a JA |
269 | |
270 | s[0] = ' '; | |
271 | s[1] = c; | |
272 | s[2] = '\0'; | |
273 | ||
274 | print_deferred_heredocs (s); | |
275 | ||
726f6388 JA |
276 | if (c != '&' || command->value.Connection->second) |
277 | { | |
278 | cprintf (" "); | |
279 | skip_this_indent++; | |
280 | } | |
281 | } | |
282 | break; | |
283 | ||
284 | case AND_AND: | |
3185942a | 285 | print_deferred_heredocs (" && "); |
726f6388 JA |
286 | if (command->value.Connection->second) |
287 | skip_this_indent++; | |
288 | break; | |
289 | ||
290 | case OR_OR: | |
3185942a | 291 | print_deferred_heredocs (" || "); |
726f6388 JA |
292 | if (command->value.Connection->second) |
293 | skip_this_indent++; | |
294 | break; | |
ccc6cda3 | 295 | |
726f6388 | 296 | case ';': |
74091dd4 CR |
297 | case '\n': /* special case this */ |
298 | { | |
299 | char c = command->value.Connection->connector; | |
3039110d | 300 | int was_newline; |
74091dd4 CR |
301 | |
302 | s[0] = printing_comsub ? c : ';'; | |
303 | s[1] = '\0'; | |
304 | ||
3039110d | 305 | was_newline = deferred_heredocs == 0 && was_heredoc == 0 && c == '\n'; |
74091dd4 CR |
306 | if (deferred_heredocs == 0) |
307 | { | |
308 | if (was_heredoc == 0) | |
309 | cprintf ("%s", s); /* inside_function_def? */ | |
310 | else | |
311 | was_heredoc = 0; | |
312 | } | |
313 | else | |
314 | /* print_deferred_heredocs special-cases `;' */ | |
315 | print_deferred_heredocs (inside_function_def ? "" : ";"); | |
316 | ||
317 | if (inside_function_def) | |
318 | cprintf ("\n"); | |
3039110d CR |
319 | else if (printing_comsub && c == '\n' && was_newline == 0) |
320 | cprintf ("\n"); /* preserve newlines in comsubs but don't double them */ | |
74091dd4 CR |
321 | else |
322 | { | |
323 | if (c == ';') | |
324 | cprintf (" "); | |
325 | if (command->value.Connection->second) | |
326 | skip_this_indent++; | |
327 | } | |
328 | break; | |
329 | } | |
726f6388 JA |
330 | |
331 | default: | |
b80f6443 | 332 | cprintf (_("print_command: bad connector `%d'"), |
726f6388 JA |
333 | command->value.Connection->connector); |
334 | break; | |
335 | } | |
336 | ||
337 | make_command_string_internal (command->value.Connection->second); | |
495aee44 | 338 | PRINT_DEFERRED_HEREDOCS (""); |
3185942a | 339 | printing_connection--; |
726f6388 | 340 | break; |
ccc6cda3 | 341 | |
726f6388 JA |
342 | case cm_function_def: |
343 | print_function_def (command->value.Function_def); | |
344 | break; | |
345 | ||
346 | case cm_group: | |
347 | print_group_command (command->value.Group); | |
348 | break; | |
349 | ||
bb70624e JA |
350 | case cm_subshell: |
351 | cprintf ("( "); | |
352 | skip_this_indent++; | |
353 | make_command_string_internal (command->value.Subshell->command); | |
680d15e1 | 354 | PRINT_DEFERRED_HEREDOCS (""); |
bb70624e JA |
355 | cprintf (" )"); |
356 | break; | |
357 | ||
3185942a JA |
358 | case cm_coproc: |
359 | cprintf ("coproc %s ", command->value.Coproc->name); | |
360 | skip_this_indent++; | |
361 | make_command_string_internal (command->value.Coproc->command); | |
362 | break; | |
363 | ||
726f6388 | 364 | default: |
b72432fd | 365 | command_error ("print_command", CMDERR_BADTYPE, command->type, 0); |
726f6388 JA |
366 | break; |
367 | } | |
368 | ||
726f6388 JA |
369 | |
370 | if (command->redirects) | |
b72432fd JA |
371 | { |
372 | cprintf (" "); | |
373 | print_redirection_list (command->redirects); | |
374 | } | |
726f6388 JA |
375 | } |
376 | } | |
377 | ||
378 | static void | |
379 | _print_word_list (list, separator, pfunc) | |
380 | WORD_LIST *list; | |
381 | char *separator; | |
f73dda09 | 382 | PFUNC *pfunc; |
726f6388 | 383 | { |
ccc6cda3 JA |
384 | WORD_LIST *w; |
385 | ||
386 | for (w = list; w; w = w->next) | |
387 | (*pfunc) ("%s%s", w->word->word, w->next ? separator : ""); | |
726f6388 JA |
388 | } |
389 | ||
ccc6cda3 JA |
390 | void |
391 | print_word_list (list, separator) | |
726f6388 JA |
392 | WORD_LIST *list; |
393 | char *separator; | |
394 | { | |
ccc6cda3 JA |
395 | _print_word_list (list, separator, xprintf); |
396 | } | |
397 | ||
0001803f CR |
398 | void |
399 | xtrace_set (fd, fp) | |
400 | int fd; | |
401 | FILE *fp; | |
402 | { | |
403 | if (fd >= 0 && sh_validfd (fd) == 0) | |
404 | { | |
405 | internal_error (_("xtrace_set: %d: invalid file descriptor"), fd); | |
406 | return; | |
407 | } | |
408 | if (fp == 0) | |
409 | { | |
410 | internal_error (_("xtrace_set: NULL file pointer")); | |
411 | return; | |
412 | } | |
413 | if (fd >= 0 && fileno (fp) != fd) | |
414 | internal_warning (_("xtrace fd (%d) != fileno xtrace fp (%d)"), fd, fileno (fp)); | |
415 | ||
416 | xtrace_fd = fd; | |
417 | xtrace_fp = fp; | |
418 | } | |
419 | ||
420 | void | |
421 | xtrace_init () | |
422 | { | |
423 | xtrace_set (-1, stderr); | |
424 | } | |
425 | ||
426 | void | |
427 | xtrace_reset () | |
428 | { | |
429 | if (xtrace_fd >= 0 && xtrace_fp) | |
430 | { | |
431 | fflush (xtrace_fp); | |
432 | fclose (xtrace_fp); | |
433 | } | |
434 | else if (xtrace_fd >= 0) | |
435 | close (xtrace_fd); | |
436 | ||
437 | xtrace_fd = -1; | |
438 | xtrace_fp = stderr; | |
439 | } | |
440 | ||
441 | void | |
442 | xtrace_fdchk (fd) | |
443 | int fd; | |
444 | { | |
445 | if (fd == xtrace_fd) | |
446 | xtrace_reset (); | |
447 | } | |
448 | ||
7117c2d2 JA |
449 | /* Return a string denoting what our indirection level is. */ |
450 | ||
451 | char * | |
452 | indirection_level_string () | |
453 | { | |
454 | register int i, j; | |
455 | char *ps4; | |
95732b49 | 456 | char ps4_firstc[MB_LEN_MAX+1]; |
ac50fbac | 457 | int ps4_firstc_len, ps4_len, ineed, old; |
7117c2d2 | 458 | |
7117c2d2 | 459 | ps4 = get_string_value ("PS4"); |
ac50fbac CR |
460 | if (indirection_string == 0) |
461 | indirection_string = xmalloc (indirection_stringsiz = 100); | |
462 | indirection_string[0] = '\0'; | |
7117c2d2 JA |
463 | |
464 | if (ps4 == 0 || *ps4 == '\0') | |
465 | return (indirection_string); | |
466 | ||
ac50fbac | 467 | old = change_flag ('x', FLAG_OFF); |
7117c2d2 | 468 | ps4 = decode_prompt_string (ps4); |
ac50fbac CR |
469 | if (old) |
470 | change_flag ('x', FLAG_ON); | |
7117c2d2 | 471 | |
b80f6443 | 472 | if (ps4 == 0 || *ps4 == '\0') |
74091dd4 CR |
473 | { |
474 | FREE (ps4); | |
475 | return (indirection_string); | |
476 | } | |
b80f6443 | 477 | |
95732b49 JA |
478 | #if defined (HANDLE_MULTIBYTE) |
479 | ps4_len = strnlen (ps4, MB_CUR_MAX); | |
480 | ps4_firstc_len = MBLEN (ps4, ps4_len); | |
ac50fbac | 481 | if (ps4_firstc_len == 1 || ps4_firstc_len == 0 || ps4_firstc_len < 0) |
95732b49 JA |
482 | { |
483 | ps4_firstc[0] = ps4[0]; | |
484 | ps4_firstc[ps4_firstc_len = 1] = '\0'; | |
485 | } | |
486 | else | |
487 | memcpy (ps4_firstc, ps4, ps4_firstc_len); | |
488 | #else | |
489 | ps4_firstc[0] = ps4[0]; | |
490 | ps4_firstc[ps4_firstc_len = 1] = '\0'; | |
491 | #endif | |
ac50fbac CR |
492 | |
493 | /* Dynamically resize indirection_string so we have room for everything | |
494 | and we don't have to truncate ps4 */ | |
495 | ineed = (ps4_firstc_len * indirection_level) + strlen (ps4); | |
496 | if (ineed > indirection_stringsiz - 1) | |
497 | { | |
498 | indirection_stringsiz = ineed + 1; | |
499 | indirection_string = xrealloc (indirection_string, indirection_stringsiz); | |
500 | } | |
501 | ||
502 | for (i = j = 0; ps4_firstc[0] && j < indirection_level && i < indirection_stringsiz - 1; i += ps4_firstc_len, j++) | |
95732b49 JA |
503 | { |
504 | if (ps4_firstc_len == 1) | |
505 | indirection_string[i] = ps4_firstc[0]; | |
506 | else | |
507 | memcpy (indirection_string+i, ps4_firstc, ps4_firstc_len); | |
508 | } | |
7117c2d2 | 509 | |
ac50fbac | 510 | for (j = ps4_firstc_len; *ps4 && ps4[j] && i < indirection_stringsiz - 1; i++, j++) |
7117c2d2 JA |
511 | indirection_string[i] = ps4[j]; |
512 | ||
513 | indirection_string[i] = '\0'; | |
514 | free (ps4); | |
515 | return (indirection_string); | |
516 | } | |
517 | ||
b80f6443 JA |
518 | void |
519 | xtrace_print_assignment (name, value, assign_list, xflags) | |
520 | char *name, *value; | |
521 | int assign_list, xflags; | |
522 | { | |
523 | char *nval; | |
524 | ||
0001803f CR |
525 | CHECK_XTRACE_FP; |
526 | ||
b80f6443 | 527 | if (xflags) |
0001803f | 528 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
b80f6443 JA |
529 | |
530 | /* VALUE should not be NULL when this is called. */ | |
531 | if (*value == '\0' || assign_list) | |
532 | nval = value; | |
533 | else if (sh_contains_shell_metas (value)) | |
534 | nval = sh_single_quote (value); | |
535 | else if (ansic_shouldquote (value)) | |
536 | nval = ansic_quote (value, 0, (int *)0); | |
537 | else | |
538 | nval = value; | |
539 | ||
540 | if (assign_list) | |
0001803f | 541 | fprintf (xtrace_fp, "%s=(%s)\n", name, nval); |
b80f6443 | 542 | else |
0001803f | 543 | fprintf (xtrace_fp, "%s=%s\n", name, nval); |
b80f6443 JA |
544 | |
545 | if (nval != value) | |
546 | FREE (nval); | |
547 | ||
0001803f | 548 | fflush (xtrace_fp); |
b80f6443 JA |
549 | } |
550 | ||
d233b485 CR |
551 | /* A function to print the words of a simple command when set -x is on. Also used to |
552 | print the word list in a for or select command header; in that case, we suppress | |
553 | quoting the words because they haven't been expanded yet. XTFLAGS&1 means to | |
554 | print $PS4; XTFLAGS&2 means to suppress quoting the words in LIST. */ | |
ccc6cda3 | 555 | void |
b80f6443 | 556 | xtrace_print_word_list (list, xtflags) |
ccc6cda3 | 557 | WORD_LIST *list; |
b80f6443 | 558 | int xtflags; |
ccc6cda3 JA |
559 | { |
560 | WORD_LIST *w; | |
e8ce775d | 561 | char *t, *x; |
ccc6cda3 | 562 | |
0001803f CR |
563 | CHECK_XTRACE_FP; |
564 | ||
a0c0a00f | 565 | if (xtflags&1) |
0001803f | 566 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
b80f6443 | 567 | |
ccc6cda3 JA |
568 | for (w = list; w; w = w->next) |
569 | { | |
570 | t = w->word->word; | |
571 | if (t == 0 || *t == '\0') | |
0001803f | 572 | fprintf (xtrace_fp, "''%s", w->next ? " " : ""); |
a0c0a00f CR |
573 | else if (xtflags & 2) |
574 | fprintf (xtrace_fp, "%s%s", t, w->next ? " " : ""); | |
28ef6c31 | 575 | else if (sh_contains_shell_metas (t)) |
e8ce775d | 576 | { |
28ef6c31 | 577 | x = sh_single_quote (t); |
0001803f | 578 | fprintf (xtrace_fp, "%s%s", x, w->next ? " " : ""); |
e8ce775d JA |
579 | free (x); |
580 | } | |
7117c2d2 JA |
581 | else if (ansic_shouldquote (t)) |
582 | { | |
583 | x = ansic_quote (t, 0, (int *)0); | |
0001803f | 584 | fprintf (xtrace_fp, "%s%s", x, w->next ? " " : ""); |
7117c2d2 JA |
585 | free (x); |
586 | } | |
ccc6cda3 | 587 | else |
0001803f | 588 | fprintf (xtrace_fp, "%s%s", t, w->next ? " " : ""); |
ccc6cda3 | 589 | } |
0001803f CR |
590 | fprintf (xtrace_fp, "\n"); |
591 | fflush (xtrace_fp); | |
726f6388 JA |
592 | } |
593 | ||
594 | static void | |
595 | command_print_word_list (list, separator) | |
596 | WORD_LIST *list; | |
597 | char *separator; | |
598 | { | |
599 | _print_word_list (list, separator, cprintf); | |
600 | } | |
601 | ||
b80f6443 JA |
602 | void |
603 | print_for_command_head (for_command) | |
726f6388 JA |
604 | FOR_COM *for_command; |
605 | { | |
606 | cprintf ("for %s in ", for_command->name->word); | |
607 | command_print_word_list (for_command->map_list, " "); | |
b80f6443 JA |
608 | } |
609 | ||
610 | void | |
611 | xtrace_print_for_command_head (for_command) | |
612 | FOR_COM *for_command; | |
613 | { | |
0001803f CR |
614 | CHECK_XTRACE_FP; |
615 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
616 | fprintf (xtrace_fp, "for %s in ", for_command->name->word); | |
a0c0a00f | 617 | xtrace_print_word_list (for_command->map_list, 2); |
b80f6443 JA |
618 | } |
619 | ||
620 | static void | |
621 | print_for_command (for_command) | |
622 | FOR_COM *for_command; | |
623 | { | |
624 | print_for_command_head (for_command); | |
726f6388 JA |
625 | cprintf (";"); |
626 | newline ("do\n"); | |
30d188c2 | 627 | |
726f6388 JA |
628 | indentation += indentation_amount; |
629 | make_command_string_internal (for_command->action); | |
30d188c2 | 630 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
631 | semicolon (); |
632 | indentation -= indentation_amount; | |
30d188c2 | 633 | |
726f6388 JA |
634 | newline ("done"); |
635 | } | |
636 | ||
bb70624e JA |
637 | #if defined (ARITH_FOR_COMMAND) |
638 | static void | |
639 | print_arith_for_command (arith_for_command) | |
640 | ARITH_FOR_COM *arith_for_command; | |
641 | { | |
b80f6443 | 642 | cprintf ("for (("); |
bb70624e | 643 | command_print_word_list (arith_for_command->init, " "); |
95732b49 | 644 | cprintf ("; "); |
bb70624e | 645 | command_print_word_list (arith_for_command->test, " "); |
95732b49 | 646 | cprintf ("; "); |
bb70624e | 647 | command_print_word_list (arith_for_command->step, " "); |
b80f6443 | 648 | cprintf ("))"); |
bb70624e JA |
649 | newline ("do\n"); |
650 | indentation += indentation_amount; | |
651 | make_command_string_internal (arith_for_command->action); | |
680d15e1 | 652 | PRINT_DEFERRED_HEREDOCS (""); |
bb70624e JA |
653 | semicolon (); |
654 | indentation -= indentation_amount; | |
655 | newline ("done"); | |
656 | } | |
657 | #endif /* ARITH_FOR_COMMAND */ | |
658 | ||
726f6388 | 659 | #if defined (SELECT_COMMAND) |
b80f6443 JA |
660 | void |
661 | print_select_command_head (select_command) | |
726f6388 JA |
662 | SELECT_COM *select_command; |
663 | { | |
664 | cprintf ("select %s in ", select_command->name->word); | |
665 | command_print_word_list (select_command->map_list, " "); | |
b80f6443 JA |
666 | } |
667 | ||
668 | void | |
669 | xtrace_print_select_command_head (select_command) | |
670 | SELECT_COM *select_command; | |
671 | { | |
0001803f CR |
672 | CHECK_XTRACE_FP; |
673 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
674 | fprintf (xtrace_fp, "select %s in ", select_command->name->word); | |
a0c0a00f | 675 | xtrace_print_word_list (select_command->map_list, 2); |
b80f6443 JA |
676 | } |
677 | ||
678 | static void | |
679 | print_select_command (select_command) | |
680 | SELECT_COM *select_command; | |
681 | { | |
682 | print_select_command_head (select_command); | |
683 | ||
726f6388 JA |
684 | cprintf (";"); |
685 | newline ("do\n"); | |
686 | indentation += indentation_amount; | |
687 | make_command_string_internal (select_command->action); | |
495aee44 | 688 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
689 | semicolon (); |
690 | indentation -= indentation_amount; | |
691 | newline ("done"); | |
692 | } | |
693 | #endif /* SELECT_COMMAND */ | |
694 | ||
695 | static void | |
696 | print_group_command (group_command) | |
697 | GROUP_COM *group_command; | |
698 | { | |
699 | group_command_nesting++; | |
700 | cprintf ("{ "); | |
701 | ||
ccc6cda3 | 702 | if (inside_function_def == 0) |
726f6388 JA |
703 | skip_this_indent++; |
704 | else | |
705 | { | |
706 | /* This is a group command { ... } inside of a function | |
ccc6cda3 | 707 | definition, and should be printed as a multiline group |
726f6388 JA |
708 | command, using the current indentation. */ |
709 | cprintf ("\n"); | |
710 | indentation += indentation_amount; | |
711 | } | |
712 | ||
713 | make_command_string_internal (group_command->command); | |
680d15e1 | 714 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 | 715 | |
ccc6cda3 | 716 | if (inside_function_def) |
726f6388 | 717 | { |
ccc6cda3 | 718 | cprintf ("\n"); |
726f6388 JA |
719 | indentation -= indentation_amount; |
720 | indent (indentation); | |
726f6388 | 721 | } |
ccc6cda3 JA |
722 | else |
723 | { | |
724 | semicolon (); | |
725 | cprintf (" "); | |
726 | } | |
727 | ||
726f6388 | 728 | cprintf ("}"); |
ccc6cda3 | 729 | |
726f6388 JA |
730 | group_command_nesting--; |
731 | } | |
732 | ||
b80f6443 JA |
733 | void |
734 | print_case_command_head (case_command) | |
735 | CASE_COM *case_command; | |
736 | { | |
737 | cprintf ("case %s in ", case_command->word->word); | |
738 | } | |
739 | ||
740 | void | |
741 | xtrace_print_case_command_head (case_command) | |
742 | CASE_COM *case_command; | |
743 | { | |
0001803f CR |
744 | CHECK_XTRACE_FP; |
745 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
746 | fprintf (xtrace_fp, "case %s in\n", case_command->word->word); | |
b80f6443 JA |
747 | } |
748 | ||
726f6388 JA |
749 | static void |
750 | print_case_command (case_command) | |
751 | CASE_COM *case_command; | |
752 | { | |
b80f6443 JA |
753 | print_case_command_head (case_command); |
754 | ||
726f6388 JA |
755 | if (case_command->clauses) |
756 | print_case_clauses (case_command->clauses); | |
757 | newline ("esac"); | |
758 | } | |
759 | ||
760 | static void | |
761 | print_case_clauses (clauses) | |
762 | PATTERN_LIST *clauses; | |
763 | { | |
764 | indentation += indentation_amount; | |
765 | while (clauses) | |
766 | { | |
767 | newline (""); | |
768 | command_print_word_list (clauses->patterns, " | "); | |
769 | cprintf (")\n"); | |
770 | indentation += indentation_amount; | |
771 | make_command_string_internal (clauses->action); | |
772 | indentation -= indentation_amount; | |
495aee44 | 773 | PRINT_DEFERRED_HEREDOCS (""); |
3185942a JA |
774 | if (clauses->flags & CASEPAT_FALLTHROUGH) |
775 | newline (";&"); | |
776 | else if (clauses->flags & CASEPAT_TESTNEXT) | |
777 | newline (";;&"); | |
778 | else | |
779 | newline (";;"); | |
726f6388 JA |
780 | clauses = clauses->next; |
781 | } | |
782 | indentation -= indentation_amount; | |
783 | } | |
784 | ||
785 | static void | |
786 | print_while_command (while_command) | |
787 | WHILE_COM *while_command; | |
788 | { | |
789 | print_until_or_while (while_command, "while"); | |
790 | } | |
791 | ||
792 | static void | |
793 | print_until_command (while_command) | |
794 | WHILE_COM *while_command; | |
795 | { | |
796 | print_until_or_while (while_command, "until"); | |
797 | } | |
798 | ||
799 | static void | |
800 | print_until_or_while (while_command, which) | |
801 | WHILE_COM *while_command; | |
802 | char *which; | |
803 | { | |
804 | cprintf ("%s ", which); | |
805 | skip_this_indent++; | |
806 | make_command_string_internal (while_command->test); | |
495aee44 | 807 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
808 | semicolon (); |
809 | cprintf (" do\n"); /* was newline ("do\n"); */ | |
810 | indentation += indentation_amount; | |
811 | make_command_string_internal (while_command->action); | |
495aee44 | 812 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
813 | indentation -= indentation_amount; |
814 | semicolon (); | |
815 | newline ("done"); | |
816 | } | |
817 | ||
818 | static void | |
819 | print_if_command (if_command) | |
820 | IF_COM *if_command; | |
821 | { | |
822 | cprintf ("if "); | |
823 | skip_this_indent++; | |
824 | make_command_string_internal (if_command->test); | |
825 | semicolon (); | |
826 | cprintf (" then\n"); | |
827 | indentation += indentation_amount; | |
828 | make_command_string_internal (if_command->true_case); | |
495aee44 | 829 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
830 | indentation -= indentation_amount; |
831 | ||
832 | if (if_command->false_case) | |
833 | { | |
834 | semicolon (); | |
835 | newline ("else\n"); | |
836 | indentation += indentation_amount; | |
837 | make_command_string_internal (if_command->false_case); | |
495aee44 | 838 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
839 | indentation -= indentation_amount; |
840 | } | |
841 | semicolon (); | |
842 | newline ("fi"); | |
843 | } | |
844 | ||
a0c0a00f | 845 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
b80f6443 JA |
846 | void |
847 | print_arith_command (arith_cmd_list) | |
848 | WORD_LIST *arith_cmd_list; | |
cce855bc | 849 | { |
b80f6443 JA |
850 | cprintf ("(("); |
851 | command_print_word_list (arith_cmd_list, " "); | |
852 | cprintf ("))"); | |
cce855bc | 853 | } |
bb70624e | 854 | #endif |
cce855bc JA |
855 | |
856 | #if defined (COND_COMMAND) | |
857 | static void | |
858 | print_cond_node (cond) | |
859 | COND_COM *cond; | |
860 | { | |
861 | if (cond->flags & CMD_INVERT_RETURN) | |
862 | cprintf ("! "); | |
863 | ||
864 | if (cond->type == COND_EXPR) | |
865 | { | |
866 | cprintf ("( "); | |
867 | print_cond_node (cond->left); | |
868 | cprintf (" )"); | |
869 | } | |
870 | else if (cond->type == COND_AND) | |
871 | { | |
872 | print_cond_node (cond->left); | |
873 | cprintf (" && "); | |
874 | print_cond_node (cond->right); | |
875 | } | |
876 | else if (cond->type == COND_OR) | |
877 | { | |
878 | print_cond_node (cond->left); | |
879 | cprintf (" || "); | |
880 | print_cond_node (cond->right); | |
881 | } | |
882 | else if (cond->type == COND_UNARY) | |
883 | { | |
b72432fd | 884 | cprintf ("%s", cond->op->word); |
cce855bc JA |
885 | cprintf (" "); |
886 | print_cond_node (cond->left); | |
887 | } | |
888 | else if (cond->type == COND_BINARY) | |
889 | { | |
890 | print_cond_node (cond->left); | |
891 | cprintf (" "); | |
b72432fd | 892 | cprintf ("%s", cond->op->word); |
cce855bc JA |
893 | cprintf (" "); |
894 | print_cond_node (cond->right); | |
895 | } | |
896 | else if (cond->type == COND_TERM) | |
897 | { | |
b72432fd | 898 | cprintf ("%s", cond->op->word); /* need to add quoting here */ |
cce855bc JA |
899 | } |
900 | } | |
901 | ||
b80f6443 | 902 | void |
cce855bc JA |
903 | print_cond_command (cond) |
904 | COND_COM *cond; | |
905 | { | |
906 | cprintf ("[[ "); | |
907 | print_cond_node (cond); | |
908 | cprintf (" ]]"); | |
909 | } | |
910 | ||
28ef6c31 | 911 | #ifdef DEBUG |
ac50fbac CR |
912 | void |
913 | debug_print_word_list (s, list, sep) | |
914 | char *s; | |
915 | WORD_LIST *list; | |
916 | char *sep; | |
917 | { | |
918 | WORD_LIST *w; | |
919 | ||
920 | if (s) | |
921 | fprintf (stderr, "%s: ", s); | |
922 | for (w = list; w; w = w->next) | |
923 | fprintf (stderr, "%s%s", w->word->word, w->next ? sep : ""); | |
924 | fprintf (stderr, "\n"); | |
925 | } | |
926 | ||
cce855bc JA |
927 | void |
928 | debug_print_cond_command (cond) | |
929 | COND_COM *cond; | |
930 | { | |
931 | fprintf (stderr, "DEBUG: "); | |
932 | command_string_index = 0; | |
933 | print_cond_command (cond); | |
934 | fprintf (stderr, "%s\n", the_printed_command); | |
935 | } | |
28ef6c31 | 936 | #endif |
cce855bc JA |
937 | |
938 | void | |
939 | xtrace_print_cond_term (type, invert, op, arg1, arg2) | |
940 | int type, invert; | |
941 | WORD_DESC *op; | |
942 | char *arg1, *arg2; | |
943 | { | |
0001803f | 944 | CHECK_XTRACE_FP; |
cce855bc | 945 | command_string_index = 0; |
0001803f CR |
946 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
947 | fprintf (xtrace_fp, "[[ "); | |
cce855bc | 948 | if (invert) |
0001803f | 949 | fprintf (xtrace_fp, "! "); |
cce855bc JA |
950 | |
951 | if (type == COND_UNARY) | |
952 | { | |
0001803f CR |
953 | fprintf (xtrace_fp, "%s ", op->word); |
954 | fprintf (xtrace_fp, "%s", (arg1 && *arg1) ? arg1 : "''"); | |
cce855bc JA |
955 | } |
956 | else if (type == COND_BINARY) | |
957 | { | |
0001803f CR |
958 | fprintf (xtrace_fp, "%s", (arg1 && *arg1) ? arg1 : "''"); |
959 | fprintf (xtrace_fp, " %s ", op->word); | |
960 | fprintf (xtrace_fp, "%s", (arg2 && *arg2) ? arg2 : "''"); | |
cce855bc JA |
961 | } |
962 | ||
0001803f CR |
963 | fprintf (xtrace_fp, " ]]\n"); |
964 | ||
965 | fflush (xtrace_fp); | |
cce855bc JA |
966 | } |
967 | #endif /* COND_COMMAND */ | |
968 | ||
bb70624e | 969 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
cce855bc JA |
970 | /* A function to print the words of an arithmetic command when set -x is on. */ |
971 | void | |
972 | xtrace_print_arith_cmd (list) | |
973 | WORD_LIST *list; | |
974 | { | |
975 | WORD_LIST *w; | |
976 | ||
0001803f CR |
977 | CHECK_XTRACE_FP; |
978 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
979 | fprintf (xtrace_fp, "(( "); | |
cce855bc | 980 | for (w = list; w; w = w->next) |
0001803f CR |
981 | fprintf (xtrace_fp, "%s%s", w->word->word, w->next ? " " : ""); |
982 | fprintf (xtrace_fp, " ))\n"); | |
983 | ||
984 | fflush (xtrace_fp); | |
cce855bc JA |
985 | } |
986 | #endif | |
987 | ||
726f6388 JA |
988 | void |
989 | print_simple_command (simple_command) | |
990 | SIMPLE_COM *simple_command; | |
991 | { | |
74091dd4 CR |
992 | if (simple_command->words) |
993 | command_print_word_list (simple_command->words, " "); | |
726f6388 JA |
994 | |
995 | if (simple_command->redirects) | |
996 | { | |
74091dd4 CR |
997 | if (simple_command->words) |
998 | cprintf (" "); | |
726f6388 JA |
999 | print_redirection_list (simple_command->redirects); |
1000 | } | |
1001 | } | |
1002 | ||
3185942a JA |
1003 | static void |
1004 | print_heredocs (heredocs) | |
1005 | REDIRECT *heredocs; | |
1006 | { | |
1007 | REDIRECT *hdtail; | |
1008 | ||
1009 | cprintf (" "); | |
1010 | for (hdtail = heredocs; hdtail; hdtail = hdtail->next) | |
1011 | { | |
1012 | print_redirection (hdtail); | |
1013 | cprintf ("\n"); | |
1014 | } | |
1015 | was_heredoc = 1; | |
1016 | } | |
1017 | ||
d233b485 CR |
1018 | static void |
1019 | print_heredoc_bodies (heredocs) | |
1020 | REDIRECT *heredocs; | |
1021 | { | |
1022 | REDIRECT *hdtail; | |
1023 | ||
1024 | cprintf ("\n"); | |
1025 | for (hdtail = heredocs; hdtail; hdtail = hdtail->next) | |
1026 | { | |
1027 | print_heredoc_body (hdtail); | |
1028 | cprintf ("\n"); | |
1029 | } | |
1030 | was_heredoc = 1; | |
1031 | } | |
1032 | ||
3185942a JA |
1033 | /* Print heredocs that are attached to the command before the connector |
1034 | represented by CSTRING. The parsing semantics require us to print the | |
1035 | here-doc delimiters, then the connector (CSTRING), then the here-doc | |
d233b485 CR |
1036 | bodies. We print the here-doc delimiters in print_redirection_list |
1037 | and print the connector and the bodies here. We don't print the connector | |
1038 | if it's a `;', but we use it to note not to print an extra space after the | |
1039 | last heredoc body and newline. */ | |
3185942a JA |
1040 | static void |
1041 | print_deferred_heredocs (cstring) | |
1042 | const char *cstring; | |
1043 | { | |
d233b485 | 1044 | /* We now print the heredoc headers in print_redirection_list */ |
ac50fbac | 1045 | if (cstring && cstring[0] && (cstring[0] != ';' || cstring[1])) |
3185942a | 1046 | cprintf ("%s", cstring); |
3185942a JA |
1047 | if (deferred_heredocs) |
1048 | { | |
d233b485 | 1049 | print_heredoc_bodies (deferred_heredocs); |
17345e5a | 1050 | if (cstring && cstring[0] && (cstring[0] != ';' || cstring[1])) |
3185942a JA |
1051 | cprintf (" "); /* make sure there's at least one space */ |
1052 | dispose_redirects (deferred_heredocs); | |
17345e5a | 1053 | was_heredoc = 1; |
3185942a JA |
1054 | } |
1055 | deferred_heredocs = (REDIRECT *)NULL; | |
1056 | } | |
1057 | ||
726f6388 JA |
1058 | static void |
1059 | print_redirection_list (redirects) | |
1060 | REDIRECT *redirects; | |
1061 | { | |
d166f048 | 1062 | REDIRECT *heredocs, *hdtail, *newredir; |
ac50fbac | 1063 | char *rw; |
d166f048 JA |
1064 | |
1065 | heredocs = (REDIRECT *)NULL; | |
1066 | hdtail = heredocs; | |
1067 | ||
1068 | was_heredoc = 0; | |
726f6388 JA |
1069 | while (redirects) |
1070 | { | |
d233b485 CR |
1071 | /* Defer printing the here document bodiess until we've printed the rest of the |
1072 | redirections, but print the headers in the order they're given. */ | |
d166f048 JA |
1073 | if (redirects->instruction == r_reading_until || redirects->instruction == r_deblank_reading_until) |
1074 | { | |
1075 | newredir = copy_redirect (redirects); | |
1076 | newredir->next = (REDIRECT *)NULL; | |
d233b485 CR |
1077 | |
1078 | print_heredoc_header (newredir); | |
1079 | ||
d166f048 JA |
1080 | if (heredocs) |
1081 | { | |
1082 | hdtail->next = newredir; | |
1083 | hdtail = newredir; | |
1084 | } | |
1085 | else | |
1086 | hdtail = heredocs = newredir; | |
1087 | } | |
74091dd4 CR |
1088 | #if 0 |
1089 | /* Remove this heuristic now that the command printing code doesn't | |
1090 | unconditionally put in the redirector file descriptor. */ | |
ac50fbac | 1091 | else if (redirects->instruction == r_duplicating_output_word && (redirects->flags & REDIR_VARASSIGN) == 0 && redirects->redirector.dest == 1) |
b80f6443 JA |
1092 | { |
1093 | /* Temporarily translate it as the execution code does. */ | |
ac50fbac CR |
1094 | rw = redirects->redirectee.filename->word; |
1095 | if (rw && *rw != '-' && DIGIT (*rw) == 0 && EXPCHAR (*rw) == 0) | |
1096 | redirects->instruction = r_err_and_out; | |
b80f6443 JA |
1097 | print_redirection (redirects); |
1098 | redirects->instruction = r_duplicating_output_word; | |
1099 | } | |
74091dd4 | 1100 | #endif |
d166f048 JA |
1101 | else |
1102 | print_redirection (redirects); | |
1103 | ||
726f6388 JA |
1104 | redirects = redirects->next; |
1105 | if (redirects) | |
1106 | cprintf (" "); | |
1107 | } | |
d166f048 JA |
1108 | |
1109 | /* Now that we've printed all the other redirections (on one line), | |
d233b485 CR |
1110 | print the here documents. If we're printing a connection, we wait until |
1111 | we print the connector symbol, then we print the here document bodies */ | |
3185942a JA |
1112 | if (heredocs && printing_connection) |
1113 | deferred_heredocs = heredocs; | |
1114 | else if (heredocs) | |
d166f048 | 1115 | { |
d233b485 | 1116 | print_heredoc_bodies (heredocs); |
d166f048 | 1117 | dispose_redirects (heredocs); |
d166f048 | 1118 | } |
726f6388 JA |
1119 | } |
1120 | ||
3185942a JA |
1121 | static void |
1122 | print_heredoc_header (redirect) | |
1123 | REDIRECT *redirect; | |
1124 | { | |
1125 | int kill_leading; | |
1126 | char *x; | |
1127 | ||
1128 | kill_leading = redirect->instruction == r_deblank_reading_until; | |
1129 | ||
1130 | /* Here doc header */ | |
0001803f CR |
1131 | if (redirect->rflags & REDIR_VARASSIGN) |
1132 | cprintf ("{%s}", redirect->redirector.filename->word); | |
1133 | else if (redirect->redirector.dest != 0) | |
1134 | cprintf ("%d", redirect->redirector.dest); | |
3185942a JA |
1135 | |
1136 | /* If the here document delimiter is quoted, single-quote it. */ | |
1137 | if (redirect->redirectee.filename->flags & W_QUOTED) | |
1138 | { | |
1139 | x = sh_single_quote (redirect->here_doc_eof); | |
1140 | cprintf ("<<%s%s", kill_leading ? "-" : "", x); | |
1141 | free (x); | |
1142 | } | |
1143 | else | |
1144 | cprintf ("<<%s%s", kill_leading ? "-" : "", redirect->here_doc_eof); | |
1145 | } | |
1146 | ||
1147 | static void | |
1148 | print_heredoc_body (redirect) | |
1149 | REDIRECT *redirect; | |
1150 | { | |
1151 | /* Here doc body */ | |
1152 | cprintf ("%s%s", redirect->redirectee.filename->word, redirect->here_doc_eof); | |
1153 | } | |
1154 | ||
726f6388 JA |
1155 | static void |
1156 | print_redirection (redirect) | |
1157 | REDIRECT *redirect; | |
1158 | { | |
495aee44 | 1159 | int redirector, redir_fd; |
0001803f | 1160 | WORD_DESC *redirectee, *redir_word; |
d166f048 | 1161 | |
d166f048 | 1162 | redirectee = redirect->redirectee.filename; |
d166f048 | 1163 | redir_fd = redirect->redirectee.dest; |
726f6388 | 1164 | |
0001803f CR |
1165 | redir_word = redirect->redirector.filename; |
1166 | redirector = redirect->redirector.dest; | |
1167 | ||
726f6388 JA |
1168 | switch (redirect->instruction) |
1169 | { | |
0001803f CR |
1170 | case r_input_direction: |
1171 | if (redirect->rflags & REDIR_VARASSIGN) | |
1172 | cprintf ("{%s}", redir_word->word); | |
1173 | else if (redirector != 0) | |
726f6388 | 1174 | cprintf ("%d", redirector); |
0001803f | 1175 | cprintf ("< %s", redirectee->word); |
726f6388 JA |
1176 | break; |
1177 | ||
0001803f CR |
1178 | case r_output_direction: |
1179 | if (redirect->rflags & REDIR_VARASSIGN) | |
1180 | cprintf ("{%s}", redir_word->word); | |
1181 | else if (redirector != 1) | |
726f6388 | 1182 | cprintf ("%d", redirector); |
0001803f | 1183 | cprintf ("> %s", redirectee->word); |
726f6388 JA |
1184 | break; |
1185 | ||
1186 | case r_inputa_direction: /* Redirection created by the shell. */ | |
1187 | cprintf ("&"); | |
1188 | break; | |
1189 | ||
0001803f CR |
1190 | case r_output_force: |
1191 | if (redirect->rflags & REDIR_VARASSIGN) | |
1192 | cprintf ("{%s}", redir_word->word); | |
1193 | else if (redirector != 1) | |
1194 | cprintf ("%d", redirector); | |
ac50fbac | 1195 | cprintf (">| %s", redirectee->word); |
0001803f CR |
1196 | break; |
1197 | ||
726f6388 | 1198 | case r_appending_to: |
0001803f CR |
1199 | if (redirect->rflags & REDIR_VARASSIGN) |
1200 | cprintf ("{%s}", redir_word->word); | |
1201 | else if (redirector != 1) | |
726f6388 | 1202 | cprintf ("%d", redirector); |
0628567a | 1203 | cprintf (">> %s", redirectee->word); |
726f6388 JA |
1204 | break; |
1205 | ||
0001803f CR |
1206 | case r_input_output: |
1207 | if (redirect->rflags & REDIR_VARASSIGN) | |
1208 | cprintf ("{%s}", redir_word->word); | |
1209 | else if (redirector != 1) | |
1210 | cprintf ("%d", redirector); | |
1211 | cprintf ("<> %s", redirectee->word); | |
1212 | break; | |
1213 | ||
726f6388 | 1214 | case r_deblank_reading_until: |
726f6388 | 1215 | case r_reading_until: |
3185942a JA |
1216 | print_heredoc_header (redirect); |
1217 | cprintf ("\n"); | |
1218 | print_heredoc_body (redirect); | |
726f6388 JA |
1219 | break; |
1220 | ||
7117c2d2 | 1221 | case r_reading_string: |
0001803f CR |
1222 | if (redirect->rflags & REDIR_VARASSIGN) |
1223 | cprintf ("{%s}", redir_word->word); | |
1224 | else if (redirector != 0) | |
7117c2d2 | 1225 | cprintf ("%d", redirector); |
495aee44 CR |
1226 | #if 0 |
1227 | /* Don't need to check whether or not to requote, since original quotes | |
1228 | are still intact. The only thing that has happened is that $'...' | |
1229 | has been replaced with 'expanded ...'. */ | |
7117c2d2 JA |
1230 | if (ansic_shouldquote (redirect->redirectee.filename->word)) |
1231 | { | |
1232 | char *x; | |
1233 | x = ansic_quote (redirect->redirectee.filename->word, 0, (int *)0); | |
1234 | cprintf ("<<< %s", x); | |
1235 | free (x); | |
1236 | } | |
1237 | else | |
495aee44 | 1238 | #endif |
7117c2d2 JA |
1239 | cprintf ("<<< %s", redirect->redirectee.filename->word); |
1240 | break; | |
1241 | ||
726f6388 | 1242 | case r_duplicating_input: |
0001803f CR |
1243 | if (redirect->rflags & REDIR_VARASSIGN) |
1244 | cprintf ("{%s}<&%d", redir_word->word, redir_fd); | |
1245 | else | |
1246 | cprintf ("%d<&%d", redirector, redir_fd); | |
726f6388 JA |
1247 | break; |
1248 | ||
1249 | case r_duplicating_output: | |
0001803f CR |
1250 | if (redirect->rflags & REDIR_VARASSIGN) |
1251 | cprintf ("{%s}>&%d", redir_word->word, redir_fd); | |
1252 | else | |
1253 | cprintf ("%d>&%d", redirector, redir_fd); | |
726f6388 JA |
1254 | break; |
1255 | ||
1256 | case r_duplicating_input_word: | |
0001803f CR |
1257 | if (redirect->rflags & REDIR_VARASSIGN) |
1258 | cprintf ("{%s}<&%s", redir_word->word, redirectee->word); | |
74091dd4 CR |
1259 | else if (redirector == 0) |
1260 | cprintf ("<&%s", redirectee->word); | |
0001803f CR |
1261 | else |
1262 | cprintf ("%d<&%s", redirector, redirectee->word); | |
726f6388 JA |
1263 | break; |
1264 | ||
1265 | case r_duplicating_output_word: | |
0001803f CR |
1266 | if (redirect->rflags & REDIR_VARASSIGN) |
1267 | cprintf ("{%s}>&%s", redir_word->word, redirectee->word); | |
74091dd4 CR |
1268 | else if (redirector == 1) |
1269 | cprintf (">&%s", redirectee->word); | |
0001803f CR |
1270 | else |
1271 | cprintf ("%d>&%s", redirector, redirectee->word); | |
726f6388 JA |
1272 | break; |
1273 | ||
7117c2d2 | 1274 | case r_move_input: |
0001803f CR |
1275 | if (redirect->rflags & REDIR_VARASSIGN) |
1276 | cprintf ("{%s}<&%d-", redir_word->word, redir_fd); | |
1277 | else | |
1278 | cprintf ("%d<&%d-", redirector, redir_fd); | |
7117c2d2 JA |
1279 | break; |
1280 | ||
1281 | case r_move_output: | |
0001803f CR |
1282 | if (redirect->rflags & REDIR_VARASSIGN) |
1283 | cprintf ("{%s}>&%d-", redir_word->word, redir_fd); | |
1284 | else | |
1285 | cprintf ("%d>&%d-", redirector, redir_fd); | |
7117c2d2 JA |
1286 | break; |
1287 | ||
1288 | case r_move_input_word: | |
0001803f CR |
1289 | if (redirect->rflags & REDIR_VARASSIGN) |
1290 | cprintf ("{%s}<&%s-", redir_word->word, redirectee->word); | |
1291 | else | |
1292 | cprintf ("%d<&%s-", redirector, redirectee->word); | |
7117c2d2 JA |
1293 | break; |
1294 | ||
1295 | case r_move_output_word: | |
0001803f CR |
1296 | if (redirect->rflags & REDIR_VARASSIGN) |
1297 | cprintf ("{%s}>&%s-", redir_word->word, redirectee->word); | |
1298 | else | |
1299 | cprintf ("%d>&%s-", redirector, redirectee->word); | |
7117c2d2 JA |
1300 | break; |
1301 | ||
726f6388 | 1302 | case r_close_this: |
0001803f CR |
1303 | if (redirect->rflags & REDIR_VARASSIGN) |
1304 | cprintf ("{%s}>&-", redir_word->word); | |
1305 | else | |
1306 | cprintf ("%d>&-", redirector); | |
726f6388 JA |
1307 | break; |
1308 | ||
1309 | case r_err_and_out: | |
ac50fbac | 1310 | cprintf ("&> %s", redirectee->word); |
3185942a JA |
1311 | break; |
1312 | ||
1313 | case r_append_err_and_out: | |
ac50fbac | 1314 | cprintf ("&>> %s", redirectee->word); |
726f6388 | 1315 | break; |
726f6388 JA |
1316 | } |
1317 | } | |
1318 | ||
1319 | static void | |
1320 | reset_locals () | |
1321 | { | |
1322 | inside_function_def = 0; | |
1323 | indentation = 0; | |
3185942a JA |
1324 | printing_connection = 0; |
1325 | deferred_heredocs = 0; | |
74091dd4 | 1326 | printing_comsub = 0; |
726f6388 JA |
1327 | } |
1328 | ||
1329 | static void | |
1330 | print_function_def (func) | |
1331 | FUNCTION_DEF *func; | |
1332 | { | |
bb70624e JA |
1333 | COMMAND *cmdcopy; |
1334 | REDIRECT *func_redirects; | |
1335 | ||
f73dda09 | 1336 | func_redirects = NULL; |
a0c0a00f CR |
1337 | /* When in posix mode, print functions as posix specifies them. */ |
1338 | if (posixly_correct == 0) | |
1339 | cprintf ("function %s () \n", func->name->word); | |
1340 | else | |
1341 | cprintf ("%s () \n", func->name->word); | |
726f6388 JA |
1342 | add_unwind_protect (reset_locals, 0); |
1343 | ||
1344 | indent (indentation); | |
1345 | cprintf ("{ \n"); | |
1346 | ||
1347 | inside_function_def++; | |
1348 | indentation += indentation_amount; | |
1349 | ||
bb70624e JA |
1350 | cmdcopy = copy_command (func->command); |
1351 | if (cmdcopy->type == cm_group) | |
1352 | { | |
28ef6c31 JA |
1353 | func_redirects = cmdcopy->redirects; |
1354 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1355 | } |
1356 | make_command_string_internal (cmdcopy->type == cm_group | |
1357 | ? cmdcopy->value.Group->command | |
1358 | : cmdcopy); | |
8868edaf | 1359 | PRINT_DEFERRED_HEREDOCS (""); |
ccc6cda3 | 1360 | |
726f6388 JA |
1361 | remove_unwind_protect (); |
1362 | indentation -= indentation_amount; | |
1363 | inside_function_def--; | |
1364 | ||
bb70624e JA |
1365 | if (func_redirects) |
1366 | { /* { */ | |
1367 | newline ("} "); | |
1368 | print_redirection_list (func_redirects); | |
28ef6c31 | 1369 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1370 | } |
1371 | else | |
3039110d CR |
1372 | { |
1373 | /* { */ | |
1374 | newline ("}"); | |
1375 | was_heredoc = 0; /* not printing any here-documents now */ | |
1376 | } | |
bb70624e JA |
1377 | |
1378 | dispose_command (cmdcopy); | |
726f6388 JA |
1379 | } |
1380 | ||
1381 | /* Return the string representation of the named function. | |
1382 | NAME is the name of the function. | |
1383 | COMMAND is the function body. It should be a GROUP_COM. | |
3185942a JA |
1384 | flags&FUNC_MULTILINE is non-zero to pretty-print, or zero for all on one line. |
1385 | flags&FUNC_EXTERNAL means convert from internal to external form | |
726f6388 JA |
1386 | */ |
1387 | char * | |
3185942a | 1388 | named_function_string (name, command, flags) |
726f6388 JA |
1389 | char *name; |
1390 | COMMAND *command; | |
3185942a | 1391 | int flags; |
726f6388 JA |
1392 | { |
1393 | char *result; | |
ccc6cda3 | 1394 | int old_indent, old_amount; |
bb70624e JA |
1395 | COMMAND *cmdcopy; |
1396 | REDIRECT *func_redirects; | |
726f6388 | 1397 | |
ccc6cda3 JA |
1398 | old_indent = indentation; |
1399 | old_amount = indentation_amount; | |
d166f048 | 1400 | command_string_index = was_heredoc = 0; |
3185942a | 1401 | deferred_heredocs = 0; |
74091dd4 | 1402 | printing_comsub = 0; |
726f6388 JA |
1403 | |
1404 | if (name && *name) | |
a0c0a00f CR |
1405 | { |
1406 | if (find_reserved_word (name) >= 0) | |
1407 | cprintf ("function "); | |
1408 | cprintf ("%s ", name); | |
1409 | } | |
726f6388 JA |
1410 | |
1411 | cprintf ("() "); | |
1412 | ||
3185942a | 1413 | if ((flags & FUNC_MULTILINE) == 0) |
726f6388 JA |
1414 | { |
1415 | indentation = 1; | |
1416 | indentation_amount = 0; | |
1417 | } | |
1418 | else | |
1419 | { | |
1420 | cprintf ("\n"); | |
1421 | indentation += indentation_amount; | |
1422 | } | |
1423 | ||
1424 | inside_function_def++; | |
1425 | ||
3185942a | 1426 | cprintf ((flags & FUNC_MULTILINE) ? "{ \n" : "{ "); |
726f6388 | 1427 | |
bb70624e JA |
1428 | cmdcopy = copy_command (command); |
1429 | /* Take any redirections specified in the function definition (which should | |
1430 | apply to the function as a whole) and save them for printing later. */ | |
1431 | func_redirects = (REDIRECT *)NULL; | |
1432 | if (cmdcopy->type == cm_group) | |
1433 | { | |
28ef6c31 JA |
1434 | func_redirects = cmdcopy->redirects; |
1435 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1436 | } |
1437 | make_command_string_internal (cmdcopy->type == cm_group | |
1438 | ? cmdcopy->value.Group->command | |
1439 | : cmdcopy); | |
8868edaf | 1440 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
1441 | |
1442 | indentation = old_indent; | |
1443 | indentation_amount = old_amount; | |
1444 | inside_function_def--; | |
1445 | ||
bb70624e JA |
1446 | if (func_redirects) |
1447 | { /* { */ | |
1448 | newline ("} "); | |
1449 | print_redirection_list (func_redirects); | |
28ef6c31 | 1450 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1451 | } |
1452 | else | |
3039110d CR |
1453 | { /* { */ |
1454 | newline ("}"); | |
1455 | was_heredoc = 0; | |
1456 | } | |
726f6388 JA |
1457 | |
1458 | result = the_printed_command; | |
1459 | ||
3185942a | 1460 | if ((flags & FUNC_MULTILINE) == 0) |
726f6388 JA |
1461 | { |
1462 | #if 0 | |
1463 | register int i; | |
1464 | for (i = 0; result[i]; i++) | |
1465 | if (result[i] == '\n') | |
1466 | { | |
1467 | strcpy (result + i, result + i + 1); | |
1468 | --i; | |
1469 | } | |
1470 | #else | |
1471 | if (result[2] == '\n') /* XXX -- experimental */ | |
d233b485 | 1472 | memmove (result + 2, result + 3, strlen (result) - 2); |
726f6388 JA |
1473 | #endif |
1474 | } | |
1475 | ||
bb70624e JA |
1476 | dispose_command (cmdcopy); |
1477 | ||
3185942a JA |
1478 | if (flags & FUNC_EXTERNAL) |
1479 | result = remove_quoted_escapes (result); | |
1480 | ||
726f6388 JA |
1481 | return (result); |
1482 | } | |
1483 | ||
1484 | static void | |
1485 | newline (string) | |
1486 | char *string; | |
1487 | { | |
1488 | cprintf ("\n"); | |
1489 | indent (indentation); | |
1490 | if (string && *string) | |
1491 | cprintf ("%s", string); | |
1492 | } | |
1493 | ||
ccc6cda3 JA |
1494 | static char *indentation_string; |
1495 | static int indentation_size; | |
1496 | ||
726f6388 JA |
1497 | static void |
1498 | indent (amount) | |
1499 | int amount; | |
1500 | { | |
ccc6cda3 JA |
1501 | register int i; |
1502 | ||
1503 | RESIZE_MALLOCED_BUFFER (indentation_string, 0, amount, indentation_size, 16); | |
1504 | ||
1505 | for (i = 0; amount > 0; amount--) | |
1506 | indentation_string[i++] = ' '; | |
1507 | indentation_string[i] = '\0'; | |
ac50fbac | 1508 | cprintf ("%s", indentation_string); |
726f6388 JA |
1509 | } |
1510 | ||
1511 | static void | |
1512 | semicolon () | |
1513 | { | |
7117c2d2 JA |
1514 | if (command_string_index > 0 && |
1515 | (the_printed_command[command_string_index - 1] == '&' || | |
0001803f | 1516 | the_printed_command[command_string_index - 1] == '\n')) |
726f6388 JA |
1517 | return; |
1518 | cprintf (";"); | |
1519 | } | |
1520 | ||
726f6388 JA |
1521 | /* How to make the string. */ |
1522 | static void | |
ccc6cda3 | 1523 | #if defined (PREFER_STDARG) |
f73dda09 | 1524 | cprintf (const char *control, ...) |
ccc6cda3 JA |
1525 | #else |
1526 | cprintf (control, va_alist) | |
f73dda09 | 1527 | const char *control; |
726f6388 | 1528 | va_dcl |
ccc6cda3 | 1529 | #endif |
726f6388 | 1530 | { |
f73dda09 | 1531 | register const char *s; |
d233b485 | 1532 | char char_arg[2], *argp, intbuf[INT_STRLEN_BOUND (unsigned int) + 1]; |
726f6388 JA |
1533 | int digit_arg, arg_len, c; |
1534 | va_list args; | |
1535 | ||
7117c2d2 | 1536 | SH_VA_START (args, control); |
726f6388 JA |
1537 | |
1538 | arg_len = strlen (control); | |
1539 | the_printed_command_resize (arg_len + 1); | |
1540 | ||
1541 | char_arg[1] = '\0'; | |
1542 | s = control; | |
1543 | while (s && *s) | |
1544 | { | |
726f6388 | 1545 | c = *s++; |
ccc6cda3 | 1546 | argp = (char *)NULL; |
726f6388 JA |
1547 | if (c != '%' || !*s) |
1548 | { | |
f73dda09 JA |
1549 | char_arg[0] = c; |
1550 | argp = char_arg; | |
726f6388 JA |
1551 | arg_len = 1; |
1552 | } | |
1553 | else | |
1554 | { | |
1555 | c = *s++; | |
1556 | switch (c) | |
1557 | { | |
1558 | case '%': | |
1559 | char_arg[0] = c; | |
1560 | argp = char_arg; | |
1561 | arg_len = 1; | |
1562 | break; | |
1563 | ||
1564 | case 's': | |
1565 | argp = va_arg (args, char *); | |
1566 | arg_len = strlen (argp); | |
1567 | break; | |
1568 | ||
1569 | case 'd': | |
f73dda09 JA |
1570 | /* Represent an out-of-range file descriptor with an out-of-range |
1571 | integer value. We can do this because the only use of `%d' in | |
1572 | the calls to cprintf is to output a file descriptor number for | |
1573 | a redirection. */ | |
726f6388 | 1574 | digit_arg = va_arg (args, int); |
f73dda09 JA |
1575 | if (digit_arg < 0) |
1576 | { | |
d233b485 | 1577 | sprintf (intbuf, "%u", (unsigned int)-1); |
f73dda09 JA |
1578 | argp = intbuf; |
1579 | } | |
1580 | else | |
0001803f | 1581 | argp = inttostr (digit_arg, intbuf, sizeof (intbuf)); |
726f6388 | 1582 | arg_len = strlen (argp); |
726f6388 JA |
1583 | break; |
1584 | ||
1585 | case 'c': | |
1586 | char_arg[0] = va_arg (args, int); | |
1587 | argp = char_arg; | |
1588 | arg_len = 1; | |
1589 | break; | |
1590 | ||
1591 | default: | |
b80f6443 | 1592 | programming_error (_("cprintf: `%c': invalid format character"), c); |
ccc6cda3 | 1593 | /*NOTREACHED*/ |
726f6388 JA |
1594 | } |
1595 | } | |
1596 | ||
ccc6cda3 | 1597 | if (argp && arg_len) |
726f6388 JA |
1598 | { |
1599 | the_printed_command_resize (arg_len + 1); | |
1600 | FASTCOPY (argp, the_printed_command + command_string_index, arg_len); | |
1601 | command_string_index += arg_len; | |
726f6388 JA |
1602 | } |
1603 | } | |
1604 | ||
ac50fbac CR |
1605 | va_end (args); |
1606 | ||
726f6388 JA |
1607 | the_printed_command[command_string_index] = '\0'; |
1608 | } | |
726f6388 JA |
1609 | |
1610 | /* Ensure that there is enough space to stuff LENGTH characters into | |
1611 | THE_PRINTED_COMMAND. */ | |
1612 | static void | |
1613 | the_printed_command_resize (length) | |
1614 | int length; | |
1615 | { | |
d166f048 | 1616 | if (the_printed_command == 0) |
726f6388 | 1617 | { |
d166f048 | 1618 | the_printed_command_size = (length + PRINTED_COMMAND_INITIAL_SIZE - 1) & ~(PRINTED_COMMAND_INITIAL_SIZE - 1); |
f73dda09 | 1619 | the_printed_command = (char *)xmalloc (the_printed_command_size); |
726f6388 JA |
1620 | command_string_index = 0; |
1621 | } | |
1622 | else if ((command_string_index + length) >= the_printed_command_size) | |
1623 | { | |
1624 | int new; | |
1625 | new = command_string_index + length + 1; | |
bb70624e | 1626 | |
d166f048 JA |
1627 | /* Round up to the next multiple of PRINTED_COMMAND_GROW_SIZE. */ |
1628 | new = (new + PRINTED_COMMAND_GROW_SIZE - 1) & ~(PRINTED_COMMAND_GROW_SIZE - 1); | |
726f6388 | 1629 | the_printed_command_size = new; |
bb70624e | 1630 | |
f73dda09 | 1631 | the_printed_command = (char *)xrealloc (the_printed_command, the_printed_command_size); |
726f6388 JA |
1632 | } |
1633 | } | |
ccc6cda3 | 1634 | |
f73dda09 JA |
1635 | #if defined (HAVE_VPRINTF) |
1636 | /* ``If vprintf is available, you may assume that vfprintf and vsprintf are | |
1637 | also available.'' */ | |
ccc6cda3 JA |
1638 | |
1639 | static void | |
d166f048 JA |
1640 | #if defined (PREFER_STDARG) |
1641 | xprintf (const char *format, ...) | |
1642 | #else | |
1643 | xprintf (format, va_alist) | |
1644 | const char *format; | |
ccc6cda3 | 1645 | va_dcl |
d166f048 | 1646 | #endif |
ccc6cda3 JA |
1647 | { |
1648 | va_list args; | |
ccc6cda3 | 1649 | |
7117c2d2 | 1650 | SH_VA_START (args, format); |
d166f048 | 1651 | |
ccc6cda3 JA |
1652 | vfprintf (stdout, format, args); |
1653 | va_end (args); | |
1654 | } | |
1655 | ||
1656 | #else | |
1657 | ||
1658 | static void | |
1659 | xprintf (format, arg1, arg2, arg3, arg4, arg5) | |
f73dda09 | 1660 | const char *format; |
ccc6cda3 JA |
1661 | { |
1662 | printf (format, arg1, arg2, arg3, arg4, arg5); | |
1663 | } | |
1664 | ||
f73dda09 | 1665 | #endif /* !HAVE_VPRINTF */ |