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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 JA |
2 | |
3 | /* Copyright (C) 1989-2004 Free Software Foundation, Inc. | |
726f6388 JA |
4 | |
5 | This file is part of GNU Bash, the Bourne Again SHell. | |
6 | ||
7 | Bash is free software; you can redistribute it and/or modify it under | |
8 | the terms of the GNU General Public License as published by the Free | |
bb70624e | 9 | Software Foundation; either version 2, or (at your option) any later |
726f6388 JA |
10 | version. |
11 | ||
12 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License along | |
18 | with Bash; see the file COPYING. If not, write to the Free Software | |
bb70624e | 19 | Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ |
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 JA |
40 | |
41 | #include "shell.h" | |
7117c2d2 | 42 | #include "flags.h" |
d166f048 | 43 | #include <y.tab.h> /* use <...> so we pick it up from the build directory */ |
726f6388 JA |
44 | #include "builtins/common.h" |
45 | ||
f73dda09 | 46 | #if !HAVE_DECL_PRINTF |
726f6388 JA |
47 | extern int printf __P((const char *, ...)); /* Yuck. Double yuck. */ |
48 | #endif | |
49 | ||
7117c2d2 JA |
50 | extern int indirection_level; |
51 | ||
ccc6cda3 | 52 | static int indentation; |
726f6388 JA |
53 | static int indentation_amount = 4; |
54 | ||
d166f048 | 55 | #if defined (PREFER_STDARG) |
f73dda09 JA |
56 | typedef void PFUNC __P((const char *, ...)); |
57 | ||
58 | static void cprintf __P((const char *, ...)) __attribute__((__format__ (printf, 1, 2))); | |
59 | static void xprintf __P((const char *, ...)) __attribute__((__format__ (printf, 1, 2))); | |
d166f048 | 60 | #else |
f73dda09 | 61 | #define PFUNC VFunction |
d166f048 | 62 | static void cprintf (); |
f73dda09 | 63 | static void xprintf (); |
d166f048 | 64 | #endif |
ccc6cda3 | 65 | |
f73dda09 JA |
66 | static void reset_locals __P((void)); |
67 | static void newline __P((char *)); | |
68 | static void indent __P((int)); | |
69 | static void semicolon __P((void)); | |
70 | static void the_printed_command_resize __P((int)); | |
726f6388 | 71 | |
f73dda09 JA |
72 | static void make_command_string_internal __P((COMMAND *)); |
73 | static void _print_word_list __P((WORD_LIST *, char *, PFUNC *)); | |
74 | static void command_print_word_list __P((WORD_LIST *, char *)); | |
75 | static void print_case_clauses __P((PATTERN_LIST *)); | |
76 | static void print_redirection_list __P((REDIRECT *)); | |
77 | static void print_redirection __P((REDIRECT *)); | |
726f6388 | 78 | |
f73dda09 JA |
79 | static void print_for_command __P((FOR_COM *)); |
80 | #if defined (ARITH_FOR_COMMAND) | |
81 | static void print_arith_for_command __P((ARITH_FOR_COM *)); | |
82 | #endif | |
726f6388 | 83 | #if defined (SELECT_COMMAND) |
f73dda09 | 84 | static void print_select_command __P((SELECT_COM *)); |
726f6388 | 85 | #endif |
f73dda09 JA |
86 | static void print_group_command __P((GROUP_COM *)); |
87 | static void print_case_command __P((CASE_COM *)); | |
88 | static void print_while_command __P((WHILE_COM *)); | |
89 | static void print_until_command __P((WHILE_COM *)); | |
90 | static void print_until_or_while __P((WHILE_COM *, char *)); | |
91 | static void print_if_command __P((IF_COM *)); | |
cce855bc | 92 | #if defined (COND_COMMAND) |
f73dda09 | 93 | static void print_cond_node __P((COND_COM *)); |
bb70624e | 94 | #endif |
f73dda09 | 95 | static void print_function_def __P((FUNCTION_DEF *)); |
726f6388 | 96 | |
d166f048 JA |
97 | #define PRINTED_COMMAND_INITIAL_SIZE 64 |
98 | #define PRINTED_COMMAND_GROW_SIZE 128 | |
726f6388 JA |
99 | |
100 | char *the_printed_command = (char *)NULL; | |
101 | int the_printed_command_size = 0; | |
102 | int command_string_index = 0; | |
103 | ||
104 | /* Non-zero means the stuff being printed is inside of a function def. */ | |
ccc6cda3 JA |
105 | static int inside_function_def; |
106 | static int skip_this_indent; | |
d166f048 | 107 | static int was_heredoc; |
726f6388 JA |
108 | |
109 | /* The depth of the group commands that we are currently printing. This | |
110 | includes the group command that is a function body. */ | |
ccc6cda3 | 111 | static int group_command_nesting; |
726f6388 | 112 | |
7117c2d2 JA |
113 | /* A buffer to indicate the indirection level (PS4) when set -x is enabled. */ |
114 | static char indirection_string[100]; | |
115 | ||
726f6388 JA |
116 | /* Print COMMAND (a command tree) on standard output. */ |
117 | void | |
118 | print_command (command) | |
119 | COMMAND *command; | |
120 | { | |
121 | command_string_index = 0; | |
122 | printf ("%s", make_command_string (command)); | |
123 | } | |
124 | ||
125 | /* Make a string which is the printed representation of the command | |
126 | tree in COMMAND. We return this string. However, the string is | |
127 | not consed, so you have to do that yourself if you want it to | |
128 | remain around. */ | |
129 | char * | |
130 | make_command_string (command) | |
131 | COMMAND *command; | |
132 | { | |
d166f048 | 133 | command_string_index = was_heredoc = 0; |
726f6388 JA |
134 | make_command_string_internal (command); |
135 | return (the_printed_command); | |
136 | } | |
137 | ||
138 | /* The internal function. This is the real workhorse. */ | |
139 | static void | |
140 | make_command_string_internal (command) | |
141 | COMMAND *command; | |
142 | { | |
ccc6cda3 | 143 | if (command == 0) |
726f6388 JA |
144 | cprintf (""); |
145 | else | |
146 | { | |
147 | if (skip_this_indent) | |
148 | skip_this_indent--; | |
149 | else | |
150 | indent (indentation); | |
151 | ||
ccc6cda3 | 152 | if (command->flags & CMD_TIME_PIPELINE) |
d166f048 JA |
153 | { |
154 | cprintf ("time "); | |
155 | if (command->flags & CMD_TIME_POSIX) | |
156 | cprintf ("-p "); | |
157 | } | |
ccc6cda3 | 158 | |
726f6388 JA |
159 | if (command->flags & CMD_INVERT_RETURN) |
160 | cprintf ("! "); | |
161 | ||
162 | switch (command->type) | |
163 | { | |
164 | case cm_for: | |
165 | print_for_command (command->value.For); | |
166 | break; | |
167 | ||
bb70624e JA |
168 | #if defined (ARITH_FOR_COMMAND) |
169 | case cm_arith_for: | |
170 | print_arith_for_command (command->value.ArithFor); | |
171 | break; | |
172 | #endif | |
173 | ||
726f6388 JA |
174 | #if defined (SELECT_COMMAND) |
175 | case cm_select: | |
176 | print_select_command (command->value.Select); | |
177 | break; | |
178 | #endif | |
179 | ||
180 | case cm_case: | |
181 | print_case_command (command->value.Case); | |
182 | break; | |
183 | ||
184 | case cm_while: | |
185 | print_while_command (command->value.While); | |
186 | break; | |
187 | ||
188 | case cm_until: | |
189 | print_until_command (command->value.While); | |
190 | break; | |
191 | ||
192 | case cm_if: | |
193 | print_if_command (command->value.If); | |
194 | break; | |
195 | ||
cce855bc JA |
196 | #if defined (DPAREN_ARITHMETIC) |
197 | case cm_arith: | |
b80f6443 | 198 | print_arith_command (command->value.Arith->exp); |
cce855bc JA |
199 | break; |
200 | #endif | |
201 | ||
202 | #if defined (COND_COMMAND) | |
203 | case cm_cond: | |
204 | print_cond_command (command->value.Cond); | |
205 | break; | |
206 | #endif | |
207 | ||
726f6388 JA |
208 | case cm_simple: |
209 | print_simple_command (command->value.Simple); | |
210 | break; | |
211 | ||
ccc6cda3 | 212 | case cm_connection: |
726f6388 JA |
213 | |
214 | skip_this_indent++; | |
215 | make_command_string_internal (command->value.Connection->first); | |
216 | ||
217 | switch (command->value.Connection->connector) | |
218 | { | |
219 | case '&': | |
220 | case '|': | |
221 | { | |
222 | char c = command->value.Connection->connector; | |
223 | cprintf (" %c", c); | |
224 | if (c != '&' || command->value.Connection->second) | |
225 | { | |
226 | cprintf (" "); | |
227 | skip_this_indent++; | |
228 | } | |
229 | } | |
230 | break; | |
231 | ||
232 | case AND_AND: | |
233 | cprintf (" && "); | |
234 | if (command->value.Connection->second) | |
235 | skip_this_indent++; | |
236 | break; | |
237 | ||
238 | case OR_OR: | |
239 | cprintf (" || "); | |
240 | if (command->value.Connection->second) | |
241 | skip_this_indent++; | |
242 | break; | |
ccc6cda3 | 243 | |
726f6388 | 244 | case ';': |
d166f048 JA |
245 | if (was_heredoc == 0) |
246 | cprintf (";"); | |
247 | else | |
248 | was_heredoc = 0; | |
726f6388 JA |
249 | |
250 | if (inside_function_def) | |
251 | cprintf ("\n"); | |
252 | else | |
253 | { | |
254 | cprintf (" "); | |
255 | if (command->value.Connection->second) | |
256 | skip_this_indent++; | |
257 | } | |
258 | break; | |
259 | ||
260 | default: | |
b80f6443 | 261 | cprintf (_("print_command: bad connector `%d'"), |
726f6388 JA |
262 | command->value.Connection->connector); |
263 | break; | |
264 | } | |
265 | ||
266 | make_command_string_internal (command->value.Connection->second); | |
267 | break; | |
ccc6cda3 | 268 | |
726f6388 JA |
269 | case cm_function_def: |
270 | print_function_def (command->value.Function_def); | |
271 | break; | |
272 | ||
273 | case cm_group: | |
274 | print_group_command (command->value.Group); | |
275 | break; | |
276 | ||
bb70624e JA |
277 | case cm_subshell: |
278 | cprintf ("( "); | |
279 | skip_this_indent++; | |
280 | make_command_string_internal (command->value.Subshell->command); | |
281 | cprintf (" )"); | |
282 | break; | |
283 | ||
726f6388 | 284 | default: |
b72432fd | 285 | command_error ("print_command", CMDERR_BADTYPE, command->type, 0); |
726f6388 JA |
286 | break; |
287 | } | |
288 | ||
726f6388 JA |
289 | |
290 | if (command->redirects) | |
b72432fd JA |
291 | { |
292 | cprintf (" "); | |
293 | print_redirection_list (command->redirects); | |
294 | } | |
726f6388 JA |
295 | } |
296 | } | |
297 | ||
298 | static void | |
299 | _print_word_list (list, separator, pfunc) | |
300 | WORD_LIST *list; | |
301 | char *separator; | |
f73dda09 | 302 | PFUNC *pfunc; |
726f6388 | 303 | { |
ccc6cda3 JA |
304 | WORD_LIST *w; |
305 | ||
306 | for (w = list; w; w = w->next) | |
307 | (*pfunc) ("%s%s", w->word->word, w->next ? separator : ""); | |
726f6388 JA |
308 | } |
309 | ||
ccc6cda3 JA |
310 | void |
311 | print_word_list (list, separator) | |
726f6388 JA |
312 | WORD_LIST *list; |
313 | char *separator; | |
314 | { | |
ccc6cda3 JA |
315 | _print_word_list (list, separator, xprintf); |
316 | } | |
317 | ||
7117c2d2 JA |
318 | /* Return a string denoting what our indirection level is. */ |
319 | ||
320 | char * | |
321 | indirection_level_string () | |
322 | { | |
323 | register int i, j; | |
324 | char *ps4; | |
325 | ||
326 | indirection_string[0] = '\0'; | |
327 | ps4 = get_string_value ("PS4"); | |
328 | ||
329 | if (ps4 == 0 || *ps4 == '\0') | |
330 | return (indirection_string); | |
331 | ||
332 | change_flag ('x', FLAG_OFF); | |
333 | ps4 = decode_prompt_string (ps4); | |
334 | change_flag ('x', FLAG_ON); | |
335 | ||
b80f6443 JA |
336 | if (ps4 == 0 || *ps4 == '\0') |
337 | return (indirection_string); | |
338 | ||
7117c2d2 JA |
339 | for (i = 0; *ps4 && i < indirection_level && i < 99; i++) |
340 | indirection_string[i] = *ps4; | |
341 | ||
342 | for (j = 1; *ps4 && ps4[j] && i < 99; i++, j++) | |
343 | indirection_string[i] = ps4[j]; | |
344 | ||
345 | indirection_string[i] = '\0'; | |
346 | free (ps4); | |
347 | return (indirection_string); | |
348 | } | |
349 | ||
b80f6443 JA |
350 | void |
351 | xtrace_print_assignment (name, value, assign_list, xflags) | |
352 | char *name, *value; | |
353 | int assign_list, xflags; | |
354 | { | |
355 | char *nval; | |
356 | ||
357 | if (xflags) | |
358 | fprintf (stderr, "%s", indirection_level_string ()); | |
359 | ||
360 | /* VALUE should not be NULL when this is called. */ | |
361 | if (*value == '\0' || assign_list) | |
362 | nval = value; | |
363 | else if (sh_contains_shell_metas (value)) | |
364 | nval = sh_single_quote (value); | |
365 | else if (ansic_shouldquote (value)) | |
366 | nval = ansic_quote (value, 0, (int *)0); | |
367 | else | |
368 | nval = value; | |
369 | ||
370 | if (assign_list) | |
371 | fprintf (stderr, "%s=(%s)\n", name, nval); | |
372 | else | |
373 | fprintf (stderr, "%s=%s\n", name, nval); | |
374 | ||
375 | if (nval != value) | |
376 | FREE (nval); | |
377 | ||
378 | fflush (stderr); | |
379 | } | |
380 | ||
ccc6cda3 JA |
381 | /* A function to print the words of a simple command when set -x is on. */ |
382 | void | |
b80f6443 | 383 | xtrace_print_word_list (list, xtflags) |
ccc6cda3 | 384 | WORD_LIST *list; |
b80f6443 | 385 | int xtflags; |
ccc6cda3 JA |
386 | { |
387 | WORD_LIST *w; | |
e8ce775d | 388 | char *t, *x; |
ccc6cda3 | 389 | |
b80f6443 JA |
390 | if (xtflags) |
391 | fprintf (stderr, "%s", indirection_level_string ()); | |
392 | ||
ccc6cda3 JA |
393 | for (w = list; w; w = w->next) |
394 | { | |
395 | t = w->word->word; | |
396 | if (t == 0 || *t == '\0') | |
e8ce775d | 397 | fprintf (stderr, "''%s", w->next ? " " : ""); |
28ef6c31 | 398 | else if (sh_contains_shell_metas (t)) |
e8ce775d | 399 | { |
28ef6c31 | 400 | x = sh_single_quote (t); |
e8ce775d JA |
401 | fprintf (stderr, "%s%s", x, w->next ? " " : ""); |
402 | free (x); | |
403 | } | |
7117c2d2 JA |
404 | else if (ansic_shouldquote (t)) |
405 | { | |
406 | x = ansic_quote (t, 0, (int *)0); | |
407 | fprintf (stderr, "%s%s", x, w->next ? " " : ""); | |
408 | free (x); | |
409 | } | |
ccc6cda3 | 410 | else |
e8ce775d | 411 | fprintf (stderr, "%s%s", t, w->next ? " " : ""); |
ccc6cda3 JA |
412 | } |
413 | fprintf (stderr, "\n"); | |
726f6388 JA |
414 | } |
415 | ||
416 | static void | |
417 | command_print_word_list (list, separator) | |
418 | WORD_LIST *list; | |
419 | char *separator; | |
420 | { | |
421 | _print_word_list (list, separator, cprintf); | |
422 | } | |
423 | ||
b80f6443 JA |
424 | void |
425 | print_for_command_head (for_command) | |
726f6388 JA |
426 | FOR_COM *for_command; |
427 | { | |
428 | cprintf ("for %s in ", for_command->name->word); | |
429 | command_print_word_list (for_command->map_list, " "); | |
b80f6443 JA |
430 | } |
431 | ||
432 | void | |
433 | xtrace_print_for_command_head (for_command) | |
434 | FOR_COM *for_command; | |
435 | { | |
436 | fprintf (stderr, "%s", indirection_level_string ()); | |
437 | fprintf (stderr, "for %s in ", for_command->name->word); | |
438 | xtrace_print_word_list (for_command->map_list, 0); | |
439 | } | |
440 | ||
441 | static void | |
442 | print_for_command (for_command) | |
443 | FOR_COM *for_command; | |
444 | { | |
445 | print_for_command_head (for_command); | |
446 | ||
726f6388 JA |
447 | cprintf (";"); |
448 | newline ("do\n"); | |
449 | indentation += indentation_amount; | |
450 | make_command_string_internal (for_command->action); | |
451 | semicolon (); | |
452 | indentation -= indentation_amount; | |
453 | newline ("done"); | |
454 | } | |
455 | ||
bb70624e JA |
456 | #if defined (ARITH_FOR_COMMAND) |
457 | static void | |
458 | print_arith_for_command (arith_for_command) | |
459 | ARITH_FOR_COM *arith_for_command; | |
460 | { | |
b80f6443 | 461 | cprintf ("for (("); |
bb70624e JA |
462 | command_print_word_list (arith_for_command->init, " "); |
463 | cprintf (" ; "); | |
464 | command_print_word_list (arith_for_command->test, " "); | |
465 | cprintf (" ; "); | |
466 | command_print_word_list (arith_for_command->step, " "); | |
b80f6443 | 467 | cprintf ("))"); |
bb70624e JA |
468 | newline ("do\n"); |
469 | indentation += indentation_amount; | |
470 | make_command_string_internal (arith_for_command->action); | |
471 | semicolon (); | |
472 | indentation -= indentation_amount; | |
473 | newline ("done"); | |
474 | } | |
475 | #endif /* ARITH_FOR_COMMAND */ | |
476 | ||
726f6388 | 477 | #if defined (SELECT_COMMAND) |
b80f6443 JA |
478 | void |
479 | print_select_command_head (select_command) | |
726f6388 JA |
480 | SELECT_COM *select_command; |
481 | { | |
482 | cprintf ("select %s in ", select_command->name->word); | |
483 | command_print_word_list (select_command->map_list, " "); | |
b80f6443 JA |
484 | } |
485 | ||
486 | void | |
487 | xtrace_print_select_command_head (select_command) | |
488 | SELECT_COM *select_command; | |
489 | { | |
490 | fprintf (stderr, "%s", indirection_level_string ()); | |
491 | fprintf (stderr, "select %s in ", select_command->name->word); | |
492 | xtrace_print_word_list (select_command->map_list, 0); | |
493 | } | |
494 | ||
495 | static void | |
496 | print_select_command (select_command) | |
497 | SELECT_COM *select_command; | |
498 | { | |
499 | print_select_command_head (select_command); | |
500 | ||
726f6388 JA |
501 | cprintf (";"); |
502 | newline ("do\n"); | |
503 | indentation += indentation_amount; | |
504 | make_command_string_internal (select_command->action); | |
505 | semicolon (); | |
506 | indentation -= indentation_amount; | |
507 | newline ("done"); | |
508 | } | |
509 | #endif /* SELECT_COMMAND */ | |
510 | ||
511 | static void | |
512 | print_group_command (group_command) | |
513 | GROUP_COM *group_command; | |
514 | { | |
515 | group_command_nesting++; | |
516 | cprintf ("{ "); | |
517 | ||
ccc6cda3 | 518 | if (inside_function_def == 0) |
726f6388 JA |
519 | skip_this_indent++; |
520 | else | |
521 | { | |
522 | /* This is a group command { ... } inside of a function | |
ccc6cda3 | 523 | definition, and should be printed as a multiline group |
726f6388 JA |
524 | command, using the current indentation. */ |
525 | cprintf ("\n"); | |
526 | indentation += indentation_amount; | |
527 | } | |
528 | ||
529 | make_command_string_internal (group_command->command); | |
530 | ||
ccc6cda3 | 531 | if (inside_function_def) |
726f6388 | 532 | { |
ccc6cda3 | 533 | cprintf ("\n"); |
726f6388 JA |
534 | indentation -= indentation_amount; |
535 | indent (indentation); | |
726f6388 | 536 | } |
ccc6cda3 JA |
537 | else |
538 | { | |
539 | semicolon (); | |
540 | cprintf (" "); | |
541 | } | |
542 | ||
726f6388 | 543 | cprintf ("}"); |
ccc6cda3 | 544 | |
726f6388 JA |
545 | group_command_nesting--; |
546 | } | |
547 | ||
b80f6443 JA |
548 | void |
549 | print_case_command_head (case_command) | |
550 | CASE_COM *case_command; | |
551 | { | |
552 | cprintf ("case %s in ", case_command->word->word); | |
553 | } | |
554 | ||
555 | void | |
556 | xtrace_print_case_command_head (case_command) | |
557 | CASE_COM *case_command; | |
558 | { | |
559 | fprintf (stderr, "%s", indirection_level_string ()); | |
560 | fprintf (stderr, "case %s in\n", case_command->word->word); | |
561 | } | |
562 | ||
726f6388 JA |
563 | static void |
564 | print_case_command (case_command) | |
565 | CASE_COM *case_command; | |
566 | { | |
b80f6443 JA |
567 | print_case_command_head (case_command); |
568 | ||
726f6388 JA |
569 | if (case_command->clauses) |
570 | print_case_clauses (case_command->clauses); | |
571 | newline ("esac"); | |
572 | } | |
573 | ||
574 | static void | |
575 | print_case_clauses (clauses) | |
576 | PATTERN_LIST *clauses; | |
577 | { | |
578 | indentation += indentation_amount; | |
579 | while (clauses) | |
580 | { | |
581 | newline (""); | |
582 | command_print_word_list (clauses->patterns, " | "); | |
583 | cprintf (")\n"); | |
584 | indentation += indentation_amount; | |
585 | make_command_string_internal (clauses->action); | |
586 | indentation -= indentation_amount; | |
587 | newline (";;"); | |
588 | clauses = clauses->next; | |
589 | } | |
590 | indentation -= indentation_amount; | |
591 | } | |
592 | ||
593 | static void | |
594 | print_while_command (while_command) | |
595 | WHILE_COM *while_command; | |
596 | { | |
597 | print_until_or_while (while_command, "while"); | |
598 | } | |
599 | ||
600 | static void | |
601 | print_until_command (while_command) | |
602 | WHILE_COM *while_command; | |
603 | { | |
604 | print_until_or_while (while_command, "until"); | |
605 | } | |
606 | ||
607 | static void | |
608 | print_until_or_while (while_command, which) | |
609 | WHILE_COM *while_command; | |
610 | char *which; | |
611 | { | |
612 | cprintf ("%s ", which); | |
613 | skip_this_indent++; | |
614 | make_command_string_internal (while_command->test); | |
615 | semicolon (); | |
616 | cprintf (" do\n"); /* was newline ("do\n"); */ | |
617 | indentation += indentation_amount; | |
618 | make_command_string_internal (while_command->action); | |
619 | indentation -= indentation_amount; | |
620 | semicolon (); | |
621 | newline ("done"); | |
622 | } | |
623 | ||
624 | static void | |
625 | print_if_command (if_command) | |
626 | IF_COM *if_command; | |
627 | { | |
628 | cprintf ("if "); | |
629 | skip_this_indent++; | |
630 | make_command_string_internal (if_command->test); | |
631 | semicolon (); | |
632 | cprintf (" then\n"); | |
633 | indentation += indentation_amount; | |
634 | make_command_string_internal (if_command->true_case); | |
635 | indentation -= indentation_amount; | |
636 | ||
637 | if (if_command->false_case) | |
638 | { | |
639 | semicolon (); | |
640 | newline ("else\n"); | |
641 | indentation += indentation_amount; | |
642 | make_command_string_internal (if_command->false_case); | |
643 | indentation -= indentation_amount; | |
644 | } | |
645 | semicolon (); | |
646 | newline ("fi"); | |
647 | } | |
648 | ||
cce855bc | 649 | #if defined (DPAREN_ARITHMETIC) |
b80f6443 JA |
650 | void |
651 | print_arith_command (arith_cmd_list) | |
652 | WORD_LIST *arith_cmd_list; | |
cce855bc | 653 | { |
b80f6443 JA |
654 | cprintf ("(("); |
655 | command_print_word_list (arith_cmd_list, " "); | |
656 | cprintf ("))"); | |
cce855bc | 657 | } |
bb70624e | 658 | #endif |
cce855bc JA |
659 | |
660 | #if defined (COND_COMMAND) | |
661 | static void | |
662 | print_cond_node (cond) | |
663 | COND_COM *cond; | |
664 | { | |
665 | if (cond->flags & CMD_INVERT_RETURN) | |
666 | cprintf ("! "); | |
667 | ||
668 | if (cond->type == COND_EXPR) | |
669 | { | |
670 | cprintf ("( "); | |
671 | print_cond_node (cond->left); | |
672 | cprintf (" )"); | |
673 | } | |
674 | else if (cond->type == COND_AND) | |
675 | { | |
676 | print_cond_node (cond->left); | |
677 | cprintf (" && "); | |
678 | print_cond_node (cond->right); | |
679 | } | |
680 | else if (cond->type == COND_OR) | |
681 | { | |
682 | print_cond_node (cond->left); | |
683 | cprintf (" || "); | |
684 | print_cond_node (cond->right); | |
685 | } | |
686 | else if (cond->type == COND_UNARY) | |
687 | { | |
b72432fd | 688 | cprintf ("%s", cond->op->word); |
cce855bc JA |
689 | cprintf (" "); |
690 | print_cond_node (cond->left); | |
691 | } | |
692 | else if (cond->type == COND_BINARY) | |
693 | { | |
694 | print_cond_node (cond->left); | |
695 | cprintf (" "); | |
b72432fd | 696 | cprintf ("%s", cond->op->word); |
cce855bc JA |
697 | cprintf (" "); |
698 | print_cond_node (cond->right); | |
699 | } | |
700 | else if (cond->type == COND_TERM) | |
701 | { | |
b72432fd | 702 | cprintf ("%s", cond->op->word); /* need to add quoting here */ |
cce855bc JA |
703 | } |
704 | } | |
705 | ||
b80f6443 | 706 | void |
cce855bc JA |
707 | print_cond_command (cond) |
708 | COND_COM *cond; | |
709 | { | |
710 | cprintf ("[[ "); | |
711 | print_cond_node (cond); | |
712 | cprintf (" ]]"); | |
713 | } | |
714 | ||
28ef6c31 | 715 | #ifdef DEBUG |
cce855bc JA |
716 | void |
717 | debug_print_cond_command (cond) | |
718 | COND_COM *cond; | |
719 | { | |
720 | fprintf (stderr, "DEBUG: "); | |
721 | command_string_index = 0; | |
722 | print_cond_command (cond); | |
723 | fprintf (stderr, "%s\n", the_printed_command); | |
724 | } | |
28ef6c31 | 725 | #endif |
cce855bc JA |
726 | |
727 | void | |
728 | xtrace_print_cond_term (type, invert, op, arg1, arg2) | |
729 | int type, invert; | |
730 | WORD_DESC *op; | |
731 | char *arg1, *arg2; | |
732 | { | |
733 | command_string_index = 0; | |
734 | fprintf (stderr, "%s", indirection_level_string ()); | |
735 | fprintf (stderr, "[[ "); | |
736 | if (invert) | |
737 | fprintf (stderr, "! "); | |
738 | ||
739 | if (type == COND_UNARY) | |
740 | { | |
741 | fprintf (stderr, "%s ", op->word); | |
742 | fprintf (stderr, "%s", (arg1 && *arg1) ? arg1 : "''"); | |
743 | } | |
744 | else if (type == COND_BINARY) | |
745 | { | |
746 | fprintf (stderr, "%s", (arg1 && *arg1) ? arg1 : "''"); | |
747 | fprintf (stderr, " %s ", op->word); | |
748 | fprintf (stderr, "%s", (arg2 && *arg2) ? arg2 : "''"); | |
749 | } | |
750 | ||
751 | fprintf (stderr, " ]]\n"); | |
752 | } | |
753 | #endif /* COND_COMMAND */ | |
754 | ||
bb70624e | 755 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
cce855bc JA |
756 | /* A function to print the words of an arithmetic command when set -x is on. */ |
757 | void | |
758 | xtrace_print_arith_cmd (list) | |
759 | WORD_LIST *list; | |
760 | { | |
761 | WORD_LIST *w; | |
762 | ||
763 | fprintf (stderr, "%s", indirection_level_string ()); | |
764 | fprintf (stderr, "(( "); | |
765 | for (w = list; w; w = w->next) | |
766 | fprintf (stderr, "%s%s", w->word->word, w->next ? " " : ""); | |
767 | fprintf (stderr, " ))\n"); | |
768 | } | |
769 | #endif | |
770 | ||
726f6388 JA |
771 | void |
772 | print_simple_command (simple_command) | |
773 | SIMPLE_COM *simple_command; | |
774 | { | |
775 | command_print_word_list (simple_command->words, " "); | |
776 | ||
777 | if (simple_command->redirects) | |
778 | { | |
779 | cprintf (" "); | |
780 | print_redirection_list (simple_command->redirects); | |
781 | } | |
782 | } | |
783 | ||
784 | static void | |
785 | print_redirection_list (redirects) | |
786 | REDIRECT *redirects; | |
787 | { | |
d166f048 JA |
788 | REDIRECT *heredocs, *hdtail, *newredir; |
789 | ||
790 | heredocs = (REDIRECT *)NULL; | |
791 | hdtail = heredocs; | |
792 | ||
793 | was_heredoc = 0; | |
726f6388 JA |
794 | while (redirects) |
795 | { | |
d166f048 JA |
796 | /* Defer printing the here documents until we've printed the |
797 | rest of the redirections. */ | |
798 | if (redirects->instruction == r_reading_until || redirects->instruction == r_deblank_reading_until) | |
799 | { | |
800 | newredir = copy_redirect (redirects); | |
801 | newredir->next = (REDIRECT *)NULL; | |
802 | if (heredocs) | |
803 | { | |
804 | hdtail->next = newredir; | |
805 | hdtail = newredir; | |
806 | } | |
807 | else | |
808 | hdtail = heredocs = newredir; | |
809 | } | |
b80f6443 JA |
810 | else if (redirects->instruction == r_duplicating_output_word && redirects->redirector == 1) |
811 | { | |
812 | /* Temporarily translate it as the execution code does. */ | |
813 | redirects->instruction = r_err_and_out; | |
814 | print_redirection (redirects); | |
815 | redirects->instruction = r_duplicating_output_word; | |
816 | } | |
d166f048 JA |
817 | else |
818 | print_redirection (redirects); | |
819 | ||
726f6388 JA |
820 | redirects = redirects->next; |
821 | if (redirects) | |
822 | cprintf (" "); | |
823 | } | |
d166f048 JA |
824 | |
825 | /* Now that we've printed all the other redirections (on one line), | |
826 | print the here documents. */ | |
827 | if (heredocs) | |
828 | { | |
829 | cprintf (" "); | |
830 | for (hdtail = heredocs; hdtail; hdtail = hdtail->next) | |
28ef6c31 | 831 | { |
d166f048 JA |
832 | print_redirection (hdtail); |
833 | cprintf ("\n"); | |
28ef6c31 | 834 | } |
d166f048 JA |
835 | dispose_redirects (heredocs); |
836 | was_heredoc = 1; | |
837 | } | |
726f6388 JA |
838 | } |
839 | ||
840 | static void | |
841 | print_redirection (redirect) | |
842 | REDIRECT *redirect; | |
843 | { | |
d166f048 JA |
844 | int kill_leading, redirector, redir_fd; |
845 | WORD_DESC *redirectee; | |
846 | ||
847 | kill_leading = 0; | |
848 | redirectee = redirect->redirectee.filename; | |
849 | redirector = redirect->redirector; | |
850 | redir_fd = redirect->redirectee.dest; | |
726f6388 JA |
851 | |
852 | switch (redirect->instruction) | |
853 | { | |
854 | case r_output_direction: | |
855 | if (redirector != 1) | |
856 | cprintf ("%d", redirector); | |
857 | cprintf (">%s", redirectee->word); | |
858 | break; | |
859 | ||
860 | case r_input_direction: | |
861 | if (redirector != 0) | |
862 | cprintf ("%d", redirector); | |
863 | cprintf ("<%s", redirectee->word); | |
864 | break; | |
865 | ||
866 | case r_inputa_direction: /* Redirection created by the shell. */ | |
867 | cprintf ("&"); | |
868 | break; | |
869 | ||
870 | case r_appending_to: | |
871 | if (redirector != 1) | |
872 | cprintf ("%d", redirector); | |
873 | cprintf (">>%s", redirectee->word); | |
874 | break; | |
875 | ||
876 | case r_deblank_reading_until: | |
877 | kill_leading++; | |
878 | /* ... */ | |
879 | case r_reading_until: | |
880 | if (redirector != 0) | |
881 | cprintf ("%d", redirector); | |
882 | /* If the here document delimiter is quoted, single-quote it. */ | |
ccc6cda3 | 883 | if (redirect->redirectee.filename->flags & W_QUOTED) |
28ef6c31 JA |
884 | { |
885 | char *x; | |
886 | x = sh_single_quote (redirect->here_doc_eof); | |
726f6388 | 887 | cprintf ("<<%s%s\n", kill_leading? "-" : "", x); |
28ef6c31 JA |
888 | free (x); |
889 | } | |
726f6388 JA |
890 | else |
891 | cprintf ("<<%s%s\n", kill_leading? "-" : "", redirect->here_doc_eof); | |
892 | cprintf ("%s%s", | |
893 | redirect->redirectee.filename->word, redirect->here_doc_eof); | |
894 | break; | |
895 | ||
7117c2d2 JA |
896 | case r_reading_string: |
897 | if (redirector != 0) | |
898 | cprintf ("%d", redirector); | |
899 | if (ansic_shouldquote (redirect->redirectee.filename->word)) | |
900 | { | |
901 | char *x; | |
902 | x = ansic_quote (redirect->redirectee.filename->word, 0, (int *)0); | |
903 | cprintf ("<<< %s", x); | |
904 | free (x); | |
905 | } | |
906 | else | |
907 | cprintf ("<<< %s", redirect->redirectee.filename->word); | |
908 | break; | |
909 | ||
726f6388 JA |
910 | case r_duplicating_input: |
911 | cprintf ("%d<&%d", redirector, redir_fd); | |
912 | break; | |
913 | ||
914 | case r_duplicating_output: | |
915 | cprintf ("%d>&%d", redirector, redir_fd); | |
916 | break; | |
917 | ||
918 | case r_duplicating_input_word: | |
919 | cprintf ("%d<&%s", redirector, redirectee->word); | |
920 | break; | |
921 | ||
922 | case r_duplicating_output_word: | |
923 | cprintf ("%d>&%s", redirector, redirectee->word); | |
924 | break; | |
925 | ||
7117c2d2 JA |
926 | case r_move_input: |
927 | cprintf ("%d<&%d-", redirector, redir_fd); | |
928 | break; | |
929 | ||
930 | case r_move_output: | |
931 | cprintf ("%d>&%d-", redirector, redir_fd); | |
932 | break; | |
933 | ||
934 | case r_move_input_word: | |
935 | cprintf ("%d<&%s-", redirector, redirectee->word); | |
936 | break; | |
937 | ||
938 | case r_move_output_word: | |
939 | cprintf ("%d>&%s-", redirector, redirectee->word); | |
940 | break; | |
941 | ||
726f6388 JA |
942 | case r_close_this: |
943 | cprintf ("%d>&-", redirector); | |
944 | break; | |
945 | ||
946 | case r_err_and_out: | |
947 | cprintf (">&%s", redirectee->word); | |
948 | break; | |
949 | ||
950 | case r_input_output: | |
951 | if (redirector != 1) | |
952 | cprintf ("%d", redirector); | |
953 | cprintf ("<>%s", redirectee->word); | |
954 | break; | |
955 | ||
956 | case r_output_force: | |
957 | if (redirector != 1) | |
958 | cprintf ("%d", redirector); | |
959 | cprintf (">|%s", redirectee->word); | |
960 | break; | |
961 | } | |
962 | } | |
963 | ||
964 | static void | |
965 | reset_locals () | |
966 | { | |
967 | inside_function_def = 0; | |
968 | indentation = 0; | |
969 | } | |
970 | ||
971 | static void | |
972 | print_function_def (func) | |
973 | FUNCTION_DEF *func; | |
974 | { | |
bb70624e JA |
975 | COMMAND *cmdcopy; |
976 | REDIRECT *func_redirects; | |
977 | ||
f73dda09 | 978 | func_redirects = NULL; |
726f6388 JA |
979 | cprintf ("function %s () \n", func->name->word); |
980 | add_unwind_protect (reset_locals, 0); | |
981 | ||
982 | indent (indentation); | |
983 | cprintf ("{ \n"); | |
984 | ||
985 | inside_function_def++; | |
986 | indentation += indentation_amount; | |
987 | ||
bb70624e JA |
988 | cmdcopy = copy_command (func->command); |
989 | if (cmdcopy->type == cm_group) | |
990 | { | |
28ef6c31 JA |
991 | func_redirects = cmdcopy->redirects; |
992 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
993 | } |
994 | make_command_string_internal (cmdcopy->type == cm_group | |
995 | ? cmdcopy->value.Group->command | |
996 | : cmdcopy); | |
ccc6cda3 | 997 | |
726f6388 JA |
998 | remove_unwind_protect (); |
999 | indentation -= indentation_amount; | |
1000 | inside_function_def--; | |
1001 | ||
bb70624e JA |
1002 | if (func_redirects) |
1003 | { /* { */ | |
1004 | newline ("} "); | |
1005 | print_redirection_list (func_redirects); | |
28ef6c31 | 1006 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1007 | } |
1008 | else | |
1009 | newline ("}"); | |
1010 | ||
1011 | dispose_command (cmdcopy); | |
726f6388 JA |
1012 | } |
1013 | ||
1014 | /* Return the string representation of the named function. | |
1015 | NAME is the name of the function. | |
1016 | COMMAND is the function body. It should be a GROUP_COM. | |
1017 | MULTI_LINE is non-zero to pretty-print, or zero for all on one line. | |
1018 | */ | |
1019 | char * | |
1020 | named_function_string (name, command, multi_line) | |
1021 | char *name; | |
1022 | COMMAND *command; | |
1023 | int multi_line; | |
1024 | { | |
1025 | char *result; | |
ccc6cda3 | 1026 | int old_indent, old_amount; |
bb70624e JA |
1027 | COMMAND *cmdcopy; |
1028 | REDIRECT *func_redirects; | |
726f6388 | 1029 | |
ccc6cda3 JA |
1030 | old_indent = indentation; |
1031 | old_amount = indentation_amount; | |
d166f048 | 1032 | command_string_index = was_heredoc = 0; |
726f6388 JA |
1033 | |
1034 | if (name && *name) | |
1035 | cprintf ("%s ", name); | |
1036 | ||
1037 | cprintf ("() "); | |
1038 | ||
ccc6cda3 | 1039 | if (multi_line == 0) |
726f6388 JA |
1040 | { |
1041 | indentation = 1; | |
1042 | indentation_amount = 0; | |
1043 | } | |
1044 | else | |
1045 | { | |
1046 | cprintf ("\n"); | |
1047 | indentation += indentation_amount; | |
1048 | } | |
1049 | ||
1050 | inside_function_def++; | |
1051 | ||
ccc6cda3 | 1052 | cprintf (multi_line ? "{ \n" : "{ "); |
726f6388 | 1053 | |
bb70624e JA |
1054 | cmdcopy = copy_command (command); |
1055 | /* Take any redirections specified in the function definition (which should | |
1056 | apply to the function as a whole) and save them for printing later. */ | |
1057 | func_redirects = (REDIRECT *)NULL; | |
1058 | if (cmdcopy->type == cm_group) | |
1059 | { | |
28ef6c31 JA |
1060 | func_redirects = cmdcopy->redirects; |
1061 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1062 | } |
1063 | make_command_string_internal (cmdcopy->type == cm_group | |
1064 | ? cmdcopy->value.Group->command | |
1065 | : cmdcopy); | |
726f6388 JA |
1066 | |
1067 | indentation = old_indent; | |
1068 | indentation_amount = old_amount; | |
1069 | inside_function_def--; | |
1070 | ||
bb70624e JA |
1071 | if (func_redirects) |
1072 | { /* { */ | |
1073 | newline ("} "); | |
1074 | print_redirection_list (func_redirects); | |
28ef6c31 | 1075 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1076 | } |
1077 | else | |
1078 | newline ("}"); | |
726f6388 JA |
1079 | |
1080 | result = the_printed_command; | |
1081 | ||
1082 | if (!multi_line) | |
1083 | { | |
1084 | #if 0 | |
1085 | register int i; | |
1086 | for (i = 0; result[i]; i++) | |
1087 | if (result[i] == '\n') | |
1088 | { | |
1089 | strcpy (result + i, result + i + 1); | |
1090 | --i; | |
1091 | } | |
1092 | #else | |
1093 | if (result[2] == '\n') /* XXX -- experimental */ | |
28ef6c31 | 1094 | strcpy (result + 2, result + 3); |
726f6388 JA |
1095 | #endif |
1096 | } | |
1097 | ||
bb70624e JA |
1098 | dispose_command (cmdcopy); |
1099 | ||
726f6388 JA |
1100 | return (result); |
1101 | } | |
1102 | ||
1103 | static void | |
1104 | newline (string) | |
1105 | char *string; | |
1106 | { | |
1107 | cprintf ("\n"); | |
1108 | indent (indentation); | |
1109 | if (string && *string) | |
1110 | cprintf ("%s", string); | |
1111 | } | |
1112 | ||
ccc6cda3 JA |
1113 | static char *indentation_string; |
1114 | static int indentation_size; | |
1115 | ||
726f6388 JA |
1116 | static void |
1117 | indent (amount) | |
1118 | int amount; | |
1119 | { | |
ccc6cda3 JA |
1120 | register int i; |
1121 | ||
1122 | RESIZE_MALLOCED_BUFFER (indentation_string, 0, amount, indentation_size, 16); | |
1123 | ||
1124 | for (i = 0; amount > 0; amount--) | |
1125 | indentation_string[i++] = ' '; | |
1126 | indentation_string[i] = '\0'; | |
1127 | cprintf (indentation_string); | |
726f6388 JA |
1128 | } |
1129 | ||
1130 | static void | |
1131 | semicolon () | |
1132 | { | |
7117c2d2 JA |
1133 | if (command_string_index > 0 && |
1134 | (the_printed_command[command_string_index - 1] == '&' || | |
1135 | the_printed_command[command_string_index - 1] == '\n')) | |
726f6388 JA |
1136 | return; |
1137 | cprintf (";"); | |
1138 | } | |
1139 | ||
726f6388 JA |
1140 | /* How to make the string. */ |
1141 | static void | |
ccc6cda3 | 1142 | #if defined (PREFER_STDARG) |
f73dda09 | 1143 | cprintf (const char *control, ...) |
ccc6cda3 JA |
1144 | #else |
1145 | cprintf (control, va_alist) | |
f73dda09 | 1146 | const char *control; |
726f6388 | 1147 | va_dcl |
ccc6cda3 | 1148 | #endif |
726f6388 | 1149 | { |
f73dda09 JA |
1150 | register const char *s; |
1151 | char char_arg[2], *argp, intbuf[INT_STRLEN_BOUND (int) + 1]; | |
726f6388 JA |
1152 | int digit_arg, arg_len, c; |
1153 | va_list args; | |
1154 | ||
7117c2d2 | 1155 | SH_VA_START (args, control); |
726f6388 JA |
1156 | |
1157 | arg_len = strlen (control); | |
1158 | the_printed_command_resize (arg_len + 1); | |
1159 | ||
1160 | char_arg[1] = '\0'; | |
1161 | s = control; | |
1162 | while (s && *s) | |
1163 | { | |
726f6388 | 1164 | c = *s++; |
ccc6cda3 | 1165 | argp = (char *)NULL; |
726f6388 JA |
1166 | if (c != '%' || !*s) |
1167 | { | |
f73dda09 JA |
1168 | char_arg[0] = c; |
1169 | argp = char_arg; | |
726f6388 JA |
1170 | arg_len = 1; |
1171 | } | |
1172 | else | |
1173 | { | |
1174 | c = *s++; | |
1175 | switch (c) | |
1176 | { | |
1177 | case '%': | |
1178 | char_arg[0] = c; | |
1179 | argp = char_arg; | |
1180 | arg_len = 1; | |
1181 | break; | |
1182 | ||
1183 | case 's': | |
1184 | argp = va_arg (args, char *); | |
1185 | arg_len = strlen (argp); | |
1186 | break; | |
1187 | ||
1188 | case 'd': | |
f73dda09 JA |
1189 | /* Represent an out-of-range file descriptor with an out-of-range |
1190 | integer value. We can do this because the only use of `%d' in | |
1191 | the calls to cprintf is to output a file descriptor number for | |
1192 | a redirection. */ | |
726f6388 | 1193 | digit_arg = va_arg (args, int); |
f73dda09 JA |
1194 | if (digit_arg < 0) |
1195 | { | |
1196 | sprintf (intbuf, "%u", (unsigned)-1); | |
1197 | argp = intbuf; | |
1198 | } | |
1199 | else | |
1200 | argp = inttostr (digit_arg, intbuf, sizeof (intbuf)); | |
726f6388 | 1201 | arg_len = strlen (argp); |
726f6388 JA |
1202 | break; |
1203 | ||
1204 | case 'c': | |
1205 | char_arg[0] = va_arg (args, int); | |
1206 | argp = char_arg; | |
1207 | arg_len = 1; | |
1208 | break; | |
1209 | ||
1210 | default: | |
b80f6443 | 1211 | programming_error (_("cprintf: `%c': invalid format character"), c); |
ccc6cda3 | 1212 | /*NOTREACHED*/ |
726f6388 JA |
1213 | } |
1214 | } | |
1215 | ||
ccc6cda3 | 1216 | if (argp && arg_len) |
726f6388 JA |
1217 | { |
1218 | the_printed_command_resize (arg_len + 1); | |
1219 | FASTCOPY (argp, the_printed_command + command_string_index, arg_len); | |
1220 | command_string_index += arg_len; | |
726f6388 JA |
1221 | } |
1222 | } | |
1223 | ||
1224 | the_printed_command[command_string_index] = '\0'; | |
1225 | } | |
726f6388 JA |
1226 | |
1227 | /* Ensure that there is enough space to stuff LENGTH characters into | |
1228 | THE_PRINTED_COMMAND. */ | |
1229 | static void | |
1230 | the_printed_command_resize (length) | |
1231 | int length; | |
1232 | { | |
d166f048 | 1233 | if (the_printed_command == 0) |
726f6388 | 1234 | { |
d166f048 | 1235 | the_printed_command_size = (length + PRINTED_COMMAND_INITIAL_SIZE - 1) & ~(PRINTED_COMMAND_INITIAL_SIZE - 1); |
f73dda09 | 1236 | the_printed_command = (char *)xmalloc (the_printed_command_size); |
726f6388 JA |
1237 | command_string_index = 0; |
1238 | } | |
1239 | else if ((command_string_index + length) >= the_printed_command_size) | |
1240 | { | |
1241 | int new; | |
1242 | new = command_string_index + length + 1; | |
bb70624e | 1243 | |
d166f048 JA |
1244 | /* Round up to the next multiple of PRINTED_COMMAND_GROW_SIZE. */ |
1245 | new = (new + PRINTED_COMMAND_GROW_SIZE - 1) & ~(PRINTED_COMMAND_GROW_SIZE - 1); | |
726f6388 | 1246 | the_printed_command_size = new; |
bb70624e | 1247 | |
f73dda09 | 1248 | the_printed_command = (char *)xrealloc (the_printed_command, the_printed_command_size); |
726f6388 JA |
1249 | } |
1250 | } | |
ccc6cda3 | 1251 | |
f73dda09 JA |
1252 | #if defined (HAVE_VPRINTF) |
1253 | /* ``If vprintf is available, you may assume that vfprintf and vsprintf are | |
1254 | also available.'' */ | |
ccc6cda3 JA |
1255 | |
1256 | static void | |
d166f048 JA |
1257 | #if defined (PREFER_STDARG) |
1258 | xprintf (const char *format, ...) | |
1259 | #else | |
1260 | xprintf (format, va_alist) | |
1261 | const char *format; | |
ccc6cda3 | 1262 | va_dcl |
d166f048 | 1263 | #endif |
ccc6cda3 JA |
1264 | { |
1265 | va_list args; | |
ccc6cda3 | 1266 | |
7117c2d2 | 1267 | SH_VA_START (args, format); |
d166f048 | 1268 | |
ccc6cda3 JA |
1269 | vfprintf (stdout, format, args); |
1270 | va_end (args); | |
1271 | } | |
1272 | ||
1273 | #else | |
1274 | ||
1275 | static void | |
1276 | xprintf (format, arg1, arg2, arg3, arg4, arg5) | |
f73dda09 | 1277 | const char *format; |
ccc6cda3 JA |
1278 | { |
1279 | printf (format, arg1, arg2, arg3, arg4, arg5); | |
1280 | } | |
1281 | ||
f73dda09 | 1282 | #endif /* !HAVE_VPRINTF */ |