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bd5635a1 | 1 | /* General utility routines for GDB, the GNU debugger. |
7919c3ed | 2 | Copyright 1986, 1989, 1990, 1991, 1992 Free Software Foundation, Inc. |
bd5635a1 RP |
3 | |
4 | This file is part of GDB. | |
5 | ||
351b221d | 6 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 7 | it under the terms of the GNU General Public License as published by |
351b221d JG |
8 | the Free Software Foundation; either version 2 of the License, or |
9 | (at your option) any later version. | |
bd5635a1 | 10 | |
351b221d | 11 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
351b221d JG |
17 | along with this program; if not, write to the Free Software |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
bd5635a1 | 19 | |
d747e0af | 20 | #include "defs.h" |
51b57ded | 21 | #if !defined(__GO32__) |
bd5635a1 RP |
22 | #include <sys/ioctl.h> |
23 | #include <sys/param.h> | |
24 | #include <pwd.h> | |
51b57ded | 25 | #endif |
2bc2e684 FF |
26 | #include <varargs.h> |
27 | #include <ctype.h> | |
28 | #include <string.h> | |
29 | ||
bd5635a1 RP |
30 | #include "signals.h" |
31 | #include "gdbcmd.h" | |
159dd2aa | 32 | #include "serial.h" |
bd5635a1 RP |
33 | #include "bfd.h" |
34 | #include "target.h" | |
bcf2e6ab | 35 | #include "demangle.h" |
bd5d07d9 FF |
36 | #include "expression.h" |
37 | #include "language.h" | |
1c95d7ab | 38 | #include "annotate.h" |
bd5635a1 | 39 | |
d8742f46 JK |
40 | #include "readline.h" |
41 | ||
42 | /* readline defines this. */ | |
43 | #undef savestring | |
44 | ||
7919c3ed JG |
45 | /* Prototypes for local functions */ |
46 | ||
65ce5df4 JG |
47 | #if defined (NO_MMALLOC) || defined (NO_MMALLOC_CHECK) |
48 | #else | |
3624c875 | 49 | |
7919c3ed JG |
50 | static void |
51 | malloc_botch PARAMS ((void)); | |
3624c875 | 52 | |
65ce5df4 | 53 | #endif /* NO_MMALLOC, etc */ |
7919c3ed JG |
54 | |
55 | static void | |
56 | fatal_dump_core (); /* Can't prototype with <varargs.h> usage... */ | |
57 | ||
58 | static void | |
59 | prompt_for_continue PARAMS ((void)); | |
60 | ||
61 | static void | |
62 | set_width_command PARAMS ((char *, int, struct cmd_list_element *)); | |
63 | ||
bd5635a1 RP |
64 | /* If this definition isn't overridden by the header files, assume |
65 | that isatty and fileno exist on this system. */ | |
66 | #ifndef ISATTY | |
67 | #define ISATTY(FP) (isatty (fileno (FP))) | |
68 | #endif | |
69 | ||
bd5635a1 RP |
70 | /* Chain of cleanup actions established with make_cleanup, |
71 | to be executed if an error happens. */ | |
72 | ||
73 | static struct cleanup *cleanup_chain; | |
74 | ||
16d2cc80 SS |
75 | /* Nonzero if we have job control. */ |
76 | ||
77 | int job_control; | |
78 | ||
bd5635a1 RP |
79 | /* Nonzero means a quit has been requested. */ |
80 | ||
81 | int quit_flag; | |
82 | ||
159dd2aa JK |
83 | /* Nonzero means quit immediately if Control-C is typed now, rather |
84 | than waiting until QUIT is executed. Be careful in setting this; | |
85 | code which executes with immediate_quit set has to be very careful | |
86 | about being able to deal with being interrupted at any time. It is | |
87 | almost always better to use QUIT; the only exception I can think of | |
88 | is being able to quit out of a system call (using EINTR loses if | |
89 | the SIGINT happens between the previous QUIT and the system call). | |
90 | To immediately quit in the case in which a SIGINT happens between | |
91 | the previous QUIT and setting immediate_quit (desirable anytime we | |
92 | expect to block), call QUIT after setting immediate_quit. */ | |
bd5635a1 RP |
93 | |
94 | int immediate_quit; | |
95 | ||
96 | /* Nonzero means that encoded C++ names should be printed out in their | |
97 | C++ form rather than raw. */ | |
98 | ||
99 | int demangle = 1; | |
100 | ||
101 | /* Nonzero means that encoded C++ names should be printed out in their | |
102 | C++ form even in assembler language displays. If this is set, but | |
103 | DEMANGLE is zero, names are printed raw, i.e. DEMANGLE controls. */ | |
104 | ||
105 | int asm_demangle = 0; | |
106 | ||
107 | /* Nonzero means that strings with character values >0x7F should be printed | |
108 | as octal escapes. Zero means just print the value (e.g. it's an | |
109 | international character, and the terminal or window can cope.) */ | |
110 | ||
111 | int sevenbit_strings = 0; | |
81066208 JG |
112 | |
113 | /* String to be printed before error messages, if any. */ | |
114 | ||
115 | char *error_pre_print; | |
3624c875 | 116 | char *warning_pre_print = "\nwarning: "; |
bd5635a1 RP |
117 | \f |
118 | /* Add a new cleanup to the cleanup_chain, | |
119 | and return the previous chain pointer | |
120 | to be passed later to do_cleanups or discard_cleanups. | |
121 | Args are FUNCTION to clean up with, and ARG to pass to it. */ | |
122 | ||
123 | struct cleanup * | |
124 | make_cleanup (function, arg) | |
7919c3ed JG |
125 | void (*function) PARAMS ((PTR)); |
126 | PTR arg; | |
bd5635a1 RP |
127 | { |
128 | register struct cleanup *new | |
129 | = (struct cleanup *) xmalloc (sizeof (struct cleanup)); | |
130 | register struct cleanup *old_chain = cleanup_chain; | |
131 | ||
132 | new->next = cleanup_chain; | |
133 | new->function = function; | |
134 | new->arg = arg; | |
135 | cleanup_chain = new; | |
136 | ||
137 | return old_chain; | |
138 | } | |
139 | ||
140 | /* Discard cleanups and do the actions they describe | |
141 | until we get back to the point OLD_CHAIN in the cleanup_chain. */ | |
142 | ||
143 | void | |
144 | do_cleanups (old_chain) | |
145 | register struct cleanup *old_chain; | |
146 | { | |
147 | register struct cleanup *ptr; | |
148 | while ((ptr = cleanup_chain) != old_chain) | |
149 | { | |
5e5215eb | 150 | cleanup_chain = ptr->next; /* Do this first incase recursion */ |
bd5635a1 | 151 | (*ptr->function) (ptr->arg); |
bd5635a1 RP |
152 | free (ptr); |
153 | } | |
154 | } | |
155 | ||
156 | /* Discard cleanups, not doing the actions they describe, | |
157 | until we get back to the point OLD_CHAIN in the cleanup_chain. */ | |
158 | ||
159 | void | |
160 | discard_cleanups (old_chain) | |
161 | register struct cleanup *old_chain; | |
162 | { | |
163 | register struct cleanup *ptr; | |
164 | while ((ptr = cleanup_chain) != old_chain) | |
165 | { | |
166 | cleanup_chain = ptr->next; | |
be772100 | 167 | free ((PTR)ptr); |
bd5635a1 RP |
168 | } |
169 | } | |
170 | ||
171 | /* Set the cleanup_chain to 0, and return the old cleanup chain. */ | |
172 | struct cleanup * | |
173 | save_cleanups () | |
174 | { | |
175 | struct cleanup *old_chain = cleanup_chain; | |
176 | ||
177 | cleanup_chain = 0; | |
178 | return old_chain; | |
179 | } | |
180 | ||
181 | /* Restore the cleanup chain from a previously saved chain. */ | |
182 | void | |
183 | restore_cleanups (chain) | |
184 | struct cleanup *chain; | |
185 | { | |
186 | cleanup_chain = chain; | |
187 | } | |
188 | ||
189 | /* This function is useful for cleanups. | |
190 | Do | |
191 | ||
192 | foo = xmalloc (...); | |
193 | old_chain = make_cleanup (free_current_contents, &foo); | |
194 | ||
195 | to arrange to free the object thus allocated. */ | |
196 | ||
197 | void | |
198 | free_current_contents (location) | |
199 | char **location; | |
200 | { | |
201 | free (*location); | |
202 | } | |
088c3a0b JG |
203 | |
204 | /* Provide a known function that does nothing, to use as a base for | |
205 | for a possibly long chain of cleanups. This is useful where we | |
206 | use the cleanup chain for handling normal cleanups as well as dealing | |
207 | with cleanups that need to be done as a result of a call to error(). | |
208 | In such cases, we may not be certain where the first cleanup is, unless | |
209 | we have a do-nothing one to always use as the base. */ | |
210 | ||
211 | /* ARGSUSED */ | |
212 | void | |
213 | null_cleanup (arg) | |
214 | char **arg; | |
215 | { | |
216 | } | |
217 | ||
bd5635a1 | 218 | \f |
2bc2e684 FF |
219 | /* Provide a hook for modules wishing to print their own warning messages |
220 | to set up the terminal state in a compatible way, without them having | |
221 | to import all the target_<...> macros. */ | |
222 | ||
223 | void | |
224 | warning_setup () | |
225 | { | |
226 | target_terminal_ours (); | |
227 | wrap_here(""); /* Force out any buffered output */ | |
199b2450 | 228 | gdb_flush (gdb_stdout); |
2bc2e684 FF |
229 | } |
230 | ||
231 | /* Print a warning message. | |
232 | The first argument STRING is the warning message, used as a fprintf string, | |
233 | and the remaining args are passed as arguments to it. | |
234 | The primary difference between warnings and errors is that a warning | |
235 | does not force the return to command level. */ | |
236 | ||
237 | /* VARARGS */ | |
238 | void | |
239 | warning (va_alist) | |
240 | va_dcl | |
241 | { | |
242 | va_list args; | |
243 | char *string; | |
244 | ||
245 | va_start (args); | |
246 | target_terminal_ours (); | |
247 | wrap_here(""); /* Force out any buffered output */ | |
199b2450 | 248 | gdb_flush (gdb_stdout); |
2bc2e684 | 249 | if (warning_pre_print) |
199b2450 | 250 | fprintf_unfiltered (gdb_stderr, warning_pre_print); |
2bc2e684 | 251 | string = va_arg (args, char *); |
199b2450 TL |
252 | vfprintf_unfiltered (gdb_stderr, string, args); |
253 | fprintf_unfiltered (gdb_stderr, "\n"); | |
2bc2e684 FF |
254 | va_end (args); |
255 | } | |
256 | ||
a0cf4681 | 257 | /* Start the printing of an error message. Way to use this is to call |
a6b26c44 | 258 | this, output the error message (use filtered output), and then call |
a0cf4681 JK |
259 | return_to_top_level (RETURN_ERROR). error() provides a convenient way to |
260 | do this for the special case that the error message can be formatted with | |
261 | a single printf call, but this is more general. */ | |
262 | void | |
263 | error_begin () | |
264 | { | |
265 | target_terminal_ours (); | |
266 | wrap_here (""); /* Force out any buffered output */ | |
267 | gdb_flush (gdb_stdout); | |
268 | ||
1c95d7ab | 269 | annotate_error_begin (); |
a0cf4681 JK |
270 | |
271 | if (error_pre_print) | |
272 | fprintf_filtered (gdb_stderr, error_pre_print); | |
273 | } | |
274 | ||
bd5635a1 RP |
275 | /* Print an error message and return to command level. |
276 | The first argument STRING is the error message, used as a fprintf string, | |
277 | and the remaining args are passed as arguments to it. */ | |
278 | ||
279 | /* VARARGS */ | |
7919c3ed | 280 | NORETURN void |
bd5635a1 RP |
281 | error (va_alist) |
282 | va_dcl | |
283 | { | |
284 | va_list args; | |
285 | char *string; | |
286 | ||
a0cf4681 | 287 | error_begin (); |
bd5635a1 | 288 | va_start (args); |
bd5635a1 | 289 | string = va_arg (args, char *); |
199b2450 TL |
290 | vfprintf_filtered (gdb_stderr, string, args); |
291 | fprintf_filtered (gdb_stderr, "\n"); | |
bd5635a1 | 292 | va_end (args); |
159dd2aa | 293 | return_to_top_level (RETURN_ERROR); |
bd5635a1 RP |
294 | } |
295 | ||
296 | /* Print an error message and exit reporting failure. | |
297 | This is for a error that we cannot continue from. | |
7919c3ed JG |
298 | The arguments are printed a la printf. |
299 | ||
300 | This function cannot be declared volatile (NORETURN) in an | |
301 | ANSI environment because exit() is not declared volatile. */ | |
bd5635a1 RP |
302 | |
303 | /* VARARGS */ | |
7919c3ed | 304 | NORETURN void |
bd5635a1 RP |
305 | fatal (va_alist) |
306 | va_dcl | |
307 | { | |
308 | va_list args; | |
309 | char *string; | |
310 | ||
311 | va_start (args); | |
312 | string = va_arg (args, char *); | |
199b2450 TL |
313 | fprintf_unfiltered (gdb_stderr, "\ngdb: "); |
314 | vfprintf_unfiltered (gdb_stderr, string, args); | |
315 | fprintf_unfiltered (gdb_stderr, "\n"); | |
bd5635a1 RP |
316 | va_end (args); |
317 | exit (1); | |
318 | } | |
319 | ||
320 | /* Print an error message and exit, dumping core. | |
321 | The arguments are printed a la printf (). */ | |
7919c3ed | 322 | |
bd5635a1 | 323 | /* VARARGS */ |
7919c3ed | 324 | static void |
bd5635a1 RP |
325 | fatal_dump_core (va_alist) |
326 | va_dcl | |
327 | { | |
328 | va_list args; | |
329 | char *string; | |
330 | ||
331 | va_start (args); | |
332 | string = va_arg (args, char *); | |
333 | /* "internal error" is always correct, since GDB should never dump | |
334 | core, no matter what the input. */ | |
199b2450 TL |
335 | fprintf_unfiltered (gdb_stderr, "\ngdb internal error: "); |
336 | vfprintf_unfiltered (gdb_stderr, string, args); | |
337 | fprintf_unfiltered (gdb_stderr, "\n"); | |
bd5635a1 RP |
338 | va_end (args); |
339 | ||
340 | signal (SIGQUIT, SIG_DFL); | |
341 | kill (getpid (), SIGQUIT); | |
342 | /* We should never get here, but just in case... */ | |
343 | exit (1); | |
344 | } | |
7919c3ed | 345 | |
4ace50a5 FF |
346 | /* The strerror() function can return NULL for errno values that are |
347 | out of range. Provide a "safe" version that always returns a | |
348 | printable string. */ | |
349 | ||
350 | char * | |
351 | safe_strerror (errnum) | |
352 | int errnum; | |
353 | { | |
354 | char *msg; | |
355 | static char buf[32]; | |
356 | ||
357 | if ((msg = strerror (errnum)) == NULL) | |
358 | { | |
359 | sprintf (buf, "(undocumented errno %d)", errnum); | |
360 | msg = buf; | |
361 | } | |
362 | return (msg); | |
363 | } | |
364 | ||
365 | /* The strsignal() function can return NULL for signal values that are | |
366 | out of range. Provide a "safe" version that always returns a | |
367 | printable string. */ | |
368 | ||
369 | char * | |
370 | safe_strsignal (signo) | |
371 | int signo; | |
372 | { | |
373 | char *msg; | |
374 | static char buf[32]; | |
375 | ||
376 | if ((msg = strsignal (signo)) == NULL) | |
377 | { | |
378 | sprintf (buf, "(undocumented signal %d)", signo); | |
379 | msg = buf; | |
380 | } | |
381 | return (msg); | |
382 | } | |
383 | ||
384 | ||
bd5635a1 RP |
385 | /* Print the system error message for errno, and also mention STRING |
386 | as the file name for which the error was encountered. | |
387 | Then return to command level. */ | |
388 | ||
389 | void | |
390 | perror_with_name (string) | |
391 | char *string; | |
392 | { | |
bd5635a1 RP |
393 | char *err; |
394 | char *combined; | |
395 | ||
4ace50a5 | 396 | err = safe_strerror (errno); |
bd5635a1 RP |
397 | combined = (char *) alloca (strlen (err) + strlen (string) + 3); |
398 | strcpy (combined, string); | |
399 | strcat (combined, ": "); | |
400 | strcat (combined, err); | |
401 | ||
402 | /* I understand setting these is a matter of taste. Still, some people | |
403 | may clear errno but not know about bfd_error. Doing this here is not | |
404 | unreasonable. */ | |
8eec3310 | 405 | bfd_set_error (bfd_error_no_error); |
bd5635a1 RP |
406 | errno = 0; |
407 | ||
408 | error ("%s.", combined); | |
409 | } | |
410 | ||
411 | /* Print the system error message for ERRCODE, and also mention STRING | |
412 | as the file name for which the error was encountered. */ | |
413 | ||
414 | void | |
415 | print_sys_errmsg (string, errcode) | |
416 | char *string; | |
417 | int errcode; | |
418 | { | |
bd5635a1 RP |
419 | char *err; |
420 | char *combined; | |
421 | ||
4ace50a5 | 422 | err = safe_strerror (errcode); |
bd5635a1 RP |
423 | combined = (char *) alloca (strlen (err) + strlen (string) + 3); |
424 | strcpy (combined, string); | |
425 | strcat (combined, ": "); | |
426 | strcat (combined, err); | |
427 | ||
44a09a68 JK |
428 | /* We want anything which was printed on stdout to come out first, before |
429 | this message. */ | |
430 | gdb_flush (gdb_stdout); | |
199b2450 | 431 | fprintf_unfiltered (gdb_stderr, "%s.\n", combined); |
bd5635a1 RP |
432 | } |
433 | ||
434 | /* Control C eventually causes this to be called, at a convenient time. */ | |
435 | ||
436 | void | |
437 | quit () | |
438 | { | |
199b2450 | 439 | serial_t gdb_stdout_serial = serial_fdopen (1); |
159dd2aa | 440 | |
bd5635a1 | 441 | target_terminal_ours (); |
159dd2aa | 442 | |
44a09a68 JK |
443 | /* We want all output to appear now, before we print "Quit". We |
444 | have 3 levels of buffering we have to flush (it's possible that | |
445 | some of these should be changed to flush the lower-level ones | |
446 | too): */ | |
447 | ||
448 | /* 1. The _filtered buffer. */ | |
449 | wrap_here ((char *)0); | |
450 | ||
451 | /* 2. The stdio buffer. */ | |
452 | gdb_flush (gdb_stdout); | |
453 | gdb_flush (gdb_stderr); | |
159dd2aa | 454 | |
44a09a68 JK |
455 | /* 3. The system-level buffer. */ |
456 | SERIAL_FLUSH_OUTPUT (gdb_stdout_serial); | |
199b2450 | 457 | SERIAL_UN_FDOPEN (gdb_stdout_serial); |
159dd2aa | 458 | |
1c95d7ab | 459 | annotate_error_begin (); |
a0cf4681 | 460 | |
159dd2aa JK |
461 | /* Don't use *_filtered; we don't want to prompt the user to continue. */ |
462 | if (error_pre_print) | |
199b2450 | 463 | fprintf_unfiltered (gdb_stderr, error_pre_print); |
159dd2aa JK |
464 | |
465 | if (job_control | |
466 | /* If there is no terminal switching for this target, then we can't | |
467 | possibly get screwed by the lack of job control. */ | |
cad1498f | 468 | || current_target.to_terminal_ours == NULL) |
199b2450 | 469 | fprintf_unfiltered (gdb_stderr, "Quit\n"); |
159dd2aa | 470 | else |
199b2450 | 471 | fprintf_unfiltered (gdb_stderr, |
159dd2aa JK |
472 | "Quit (expect signal SIGINT when the program is resumed)\n"); |
473 | return_to_top_level (RETURN_QUIT); | |
bd5635a1 RP |
474 | } |
475 | ||
bd5d07d9 FF |
476 | |
477 | #ifdef __GO32__ | |
478 | ||
479 | /* In the absence of signals, poll keyboard for a quit. | |
480 | Called from #define QUIT pollquit() in xm-go32.h. */ | |
481 | ||
482 | void | |
483 | pollquit() | |
484 | { | |
485 | if (kbhit ()) | |
486 | { | |
487 | int k = getkey (); | |
44a09a68 | 488 | if (k == 1) { |
bd5d07d9 | 489 | quit_flag = 1; |
44a09a68 JK |
490 | quit(); |
491 | } | |
492 | else if (k == 2) { | |
bd5d07d9 | 493 | immediate_quit = 1; |
44a09a68 JK |
494 | quit (); |
495 | } | |
496 | else | |
497 | { | |
498 | /* We just ignore it */ | |
499 | fprintf_unfiltered (gdb_stderr, "CTRL-A to quit, CTRL-B to quit harder\n"); | |
500 | } | |
bd5d07d9 FF |
501 | } |
502 | } | |
503 | ||
bd5d07d9 | 504 | |
44a09a68 JK |
505 | #endif |
506 | #ifdef __GO32__ | |
507 | void notice_quit() | |
508 | { | |
509 | if (kbhit ()) | |
510 | { | |
511 | int k = getkey (); | |
512 | if (k == 1) { | |
513 | quit_flag = 1; | |
514 | } | |
515 | else if (k == 2) | |
516 | { | |
517 | immediate_quit = 1; | |
518 | } | |
519 | else | |
520 | { | |
521 | fprintf_unfiltered (gdb_stderr, "CTRL-A to quit, CTRL-B to quit harder\n"); | |
522 | } | |
523 | } | |
524 | } | |
525 | #else | |
526 | void notice_quit() | |
527 | { | |
528 | /* Done by signals */ | |
529 | } | |
530 | #endif | |
bd5635a1 RP |
531 | /* Control C comes here */ |
532 | ||
533 | void | |
088c3a0b JG |
534 | request_quit (signo) |
535 | int signo; | |
bd5635a1 RP |
536 | { |
537 | quit_flag = 1; | |
538 | ||
44a09a68 JK |
539 | /* Restore the signal handler. Harmless with BSD-style signals, needed |
540 | for System V-style signals. So just always do it, rather than worrying | |
541 | about USG defines and stuff like that. */ | |
088c3a0b | 542 | signal (signo, request_quit); |
bd5635a1 | 543 | |
cad1498f SG |
544 | #ifdef REQUEST_QUIT |
545 | REQUEST_QUIT; | |
546 | #else | |
bd5635a1 RP |
547 | if (immediate_quit) |
548 | quit (); | |
cad1498f | 549 | #endif |
bd5635a1 | 550 | } |
3624c875 FF |
551 | |
552 | \f | |
553 | /* Memory management stuff (malloc friends). */ | |
554 | ||
555 | #if defined (NO_MMALLOC) | |
556 | ||
557 | PTR | |
558 | mmalloc (md, size) | |
559 | PTR md; | |
560 | long size; | |
561 | { | |
562 | return (malloc (size)); | |
563 | } | |
564 | ||
565 | PTR | |
566 | mrealloc (md, ptr, size) | |
567 | PTR md; | |
568 | PTR ptr; | |
569 | long size; | |
570 | { | |
4ace50a5 FF |
571 | if (ptr == 0) /* Guard against old realloc's */ |
572 | return malloc (size); | |
573 | else | |
574 | return realloc (ptr, size); | |
3624c875 FF |
575 | } |
576 | ||
577 | void | |
578 | mfree (md, ptr) | |
579 | PTR md; | |
580 | PTR ptr; | |
581 | { | |
582 | free (ptr); | |
583 | } | |
584 | ||
585 | #endif /* NO_MMALLOC */ | |
586 | ||
587 | #if defined (NO_MMALLOC) || defined (NO_MMALLOC_CHECK) | |
588 | ||
589 | void | |
590 | init_malloc (md) | |
591 | PTR md; | |
592 | { | |
593 | } | |
594 | ||
595 | #else /* have mmalloc and want corruption checking */ | |
596 | ||
597 | static void | |
598 | malloc_botch () | |
599 | { | |
600 | fatal_dump_core ("Memory corruption"); | |
601 | } | |
602 | ||
603 | /* Attempt to install hooks in mmalloc/mrealloc/mfree for the heap specified | |
604 | by MD, to detect memory corruption. Note that MD may be NULL to specify | |
605 | the default heap that grows via sbrk. | |
606 | ||
607 | Note that for freshly created regions, we must call mmcheck prior to any | |
608 | mallocs in the region. Otherwise, any region which was allocated prior to | |
609 | installing the checking hooks, which is later reallocated or freed, will | |
610 | fail the checks! The mmcheck function only allows initial hooks to be | |
611 | installed before the first mmalloc. However, anytime after we have called | |
612 | mmcheck the first time to install the checking hooks, we can call it again | |
613 | to update the function pointer to the memory corruption handler. | |
614 | ||
615 | Returns zero on failure, non-zero on success. */ | |
616 | ||
617 | void | |
618 | init_malloc (md) | |
619 | PTR md; | |
620 | { | |
621 | if (!mmcheck (md, malloc_botch)) | |
622 | { | |
623 | warning ("internal error: failed to install memory consistency checks"); | |
624 | } | |
625 | ||
4ed3a9ea | 626 | mmtrace (); |
3624c875 FF |
627 | } |
628 | ||
629 | #endif /* Have mmalloc and want corruption checking */ | |
630 | ||
631 | /* Called when a memory allocation fails, with the number of bytes of | |
632 | memory requested in SIZE. */ | |
633 | ||
634 | NORETURN void | |
635 | nomem (size) | |
636 | long size; | |
637 | { | |
638 | if (size > 0) | |
639 | { | |
640 | fatal ("virtual memory exhausted: can't allocate %ld bytes.", size); | |
641 | } | |
642 | else | |
643 | { | |
644 | fatal ("virtual memory exhausted."); | |
645 | } | |
646 | } | |
647 | ||
648 | /* Like mmalloc but get error if no storage available, and protect against | |
649 | the caller wanting to allocate zero bytes. Whether to return NULL for | |
650 | a zero byte request, or translate the request into a request for one | |
651 | byte of zero'd storage, is a religious issue. */ | |
652 | ||
653 | PTR | |
654 | xmmalloc (md, size) | |
655 | PTR md; | |
656 | long size; | |
657 | { | |
658 | register PTR val; | |
659 | ||
660 | if (size == 0) | |
661 | { | |
662 | val = NULL; | |
663 | } | |
664 | else if ((val = mmalloc (md, size)) == NULL) | |
665 | { | |
666 | nomem (size); | |
667 | } | |
668 | return (val); | |
669 | } | |
670 | ||
671 | /* Like mrealloc but get error if no storage available. */ | |
672 | ||
673 | PTR | |
674 | xmrealloc (md, ptr, size) | |
675 | PTR md; | |
676 | PTR ptr; | |
677 | long size; | |
678 | { | |
679 | register PTR val; | |
680 | ||
681 | if (ptr != NULL) | |
682 | { | |
683 | val = mrealloc (md, ptr, size); | |
684 | } | |
685 | else | |
686 | { | |
687 | val = mmalloc (md, size); | |
688 | } | |
689 | if (val == NULL) | |
690 | { | |
691 | nomem (size); | |
692 | } | |
693 | return (val); | |
694 | } | |
695 | ||
696 | /* Like malloc but get error if no storage available, and protect against | |
697 | the caller wanting to allocate zero bytes. */ | |
698 | ||
699 | PTR | |
700 | xmalloc (size) | |
701 | long size; | |
702 | { | |
199b2450 | 703 | return (xmmalloc ((PTR) NULL, size)); |
3624c875 FF |
704 | } |
705 | ||
706 | /* Like mrealloc but get error if no storage available. */ | |
707 | ||
708 | PTR | |
709 | xrealloc (ptr, size) | |
710 | PTR ptr; | |
711 | long size; | |
712 | { | |
199b2450 | 713 | return (xmrealloc ((PTR) NULL, ptr, size)); |
3624c875 FF |
714 | } |
715 | ||
bd5635a1 RP |
716 | \f |
717 | /* My replacement for the read system call. | |
718 | Used like `read' but keeps going if `read' returns too soon. */ | |
719 | ||
720 | int | |
721 | myread (desc, addr, len) | |
722 | int desc; | |
723 | char *addr; | |
724 | int len; | |
725 | { | |
726 | register int val; | |
727 | int orglen = len; | |
728 | ||
729 | while (len > 0) | |
730 | { | |
731 | val = read (desc, addr, len); | |
732 | if (val < 0) | |
733 | return val; | |
734 | if (val == 0) | |
735 | return orglen - len; | |
736 | len -= val; | |
737 | addr += val; | |
738 | } | |
739 | return orglen; | |
740 | } | |
741 | \f | |
742 | /* Make a copy of the string at PTR with SIZE characters | |
743 | (and add a null character at the end in the copy). | |
744 | Uses malloc to get the space. Returns the address of the copy. */ | |
745 | ||
746 | char * | |
747 | savestring (ptr, size) | |
088c3a0b | 748 | const char *ptr; |
bd5635a1 RP |
749 | int size; |
750 | { | |
751 | register char *p = (char *) xmalloc (size + 1); | |
4ed3a9ea | 752 | memcpy (p, ptr, size); |
bd5635a1 RP |
753 | p[size] = 0; |
754 | return p; | |
755 | } | |
756 | ||
3624c875 FF |
757 | char * |
758 | msavestring (md, ptr, size) | |
199b2450 | 759 | PTR md; |
3624c875 FF |
760 | const char *ptr; |
761 | int size; | |
762 | { | |
763 | register char *p = (char *) xmmalloc (md, size + 1); | |
4ed3a9ea | 764 | memcpy (p, ptr, size); |
3624c875 FF |
765 | p[size] = 0; |
766 | return p; | |
767 | } | |
768 | ||
8aa13b87 JK |
769 | /* The "const" is so it compiles under DGUX (which prototypes strsave |
770 | in <string.h>. FIXME: This should be named "xstrsave", shouldn't it? | |
771 | Doesn't real strsave return NULL if out of memory? */ | |
bd5635a1 RP |
772 | char * |
773 | strsave (ptr) | |
8aa13b87 | 774 | const char *ptr; |
bd5635a1 RP |
775 | { |
776 | return savestring (ptr, strlen (ptr)); | |
777 | } | |
778 | ||
3624c875 FF |
779 | char * |
780 | mstrsave (md, ptr) | |
199b2450 | 781 | PTR md; |
3624c875 FF |
782 | const char *ptr; |
783 | { | |
784 | return (msavestring (md, ptr, strlen (ptr))); | |
785 | } | |
786 | ||
bd5635a1 RP |
787 | void |
788 | print_spaces (n, file) | |
789 | register int n; | |
790 | register FILE *file; | |
791 | { | |
792 | while (n-- > 0) | |
793 | fputc (' ', file); | |
794 | } | |
795 | ||
8eec3310 SC |
796 | /* Print a host address. */ |
797 | ||
798 | void | |
799 | gdb_print_address (addr, stream) | |
800 | PTR addr; | |
801 | GDB_FILE *stream; | |
802 | { | |
803 | ||
804 | /* We could use the %p conversion specifier to fprintf if we had any | |
805 | way of knowing whether this host supports it. But the following | |
806 | should work on the Alpha and on 32 bit machines. */ | |
807 | ||
808 | fprintf_filtered (stream, "0x%lx", (unsigned long)addr); | |
809 | } | |
810 | ||
bd5635a1 RP |
811 | /* Ask user a y-or-n question and return 1 iff answer is yes. |
812 | Takes three args which are given to printf to print the question. | |
813 | The first, a control string, should end in "? ". | |
814 | It should not say how to answer, because we do that. */ | |
815 | ||
816 | /* VARARGS */ | |
817 | int | |
818 | query (va_alist) | |
819 | va_dcl | |
820 | { | |
821 | va_list args; | |
822 | char *ctlstr; | |
823 | register int answer; | |
824 | register int ans2; | |
d8742f46 | 825 | int retval; |
bd5635a1 RP |
826 | |
827 | /* Automatically answer "yes" if input is not from a terminal. */ | |
828 | if (!input_from_terminal_p ()) | |
829 | return 1; | |
cad1498f SG |
830 | /* start-sanitize-mpw */ |
831 | #ifdef MPW | |
832 | /* Automatically answer "yes" if called from MacGDB. */ | |
833 | if (mac_app) | |
834 | return 1; | |
835 | #endif /* MPW */ | |
836 | /* end-sanitize-mpw */ | |
bd5635a1 RP |
837 | |
838 | while (1) | |
839 | { | |
546014f7 | 840 | wrap_here (""); /* Flush any buffered output */ |
199b2450 | 841 | gdb_flush (gdb_stdout); |
d8742f46 JK |
842 | |
843 | if (annotation_level > 1) | |
844 | printf_filtered ("\n\032\032pre-query\n"); | |
845 | ||
bd5635a1 RP |
846 | va_start (args); |
847 | ctlstr = va_arg (args, char *); | |
199b2450 | 848 | vfprintf_filtered (gdb_stdout, ctlstr, args); |
b36e3a9b | 849 | va_end (args); |
bcf2e6ab | 850 | printf_filtered ("(y or n) "); |
d8742f46 JK |
851 | |
852 | if (annotation_level > 1) | |
853 | printf_filtered ("\n\032\032query\n"); | |
854 | ||
cad1498f SG |
855 | /* start-sanitize-mpw */ |
856 | #ifdef MPW | |
857 | /* If not in MacGDB, move to a new line so the entered line doesn't | |
858 | have a prompt on the front of it. */ | |
859 | if (!mac_app) | |
860 | fputs_unfiltered ("\n", gdb_stdout); | |
861 | #endif /* MPW */ | |
862 | /* end-sanitize-mpw */ | |
199b2450 | 863 | gdb_flush (gdb_stdout); |
b36e3a9b SG |
864 | answer = fgetc (stdin); |
865 | clearerr (stdin); /* in case of C-d */ | |
866 | if (answer == EOF) /* C-d */ | |
d8742f46 JK |
867 | { |
868 | retval = 1; | |
869 | break; | |
870 | } | |
b36e3a9b SG |
871 | if (answer != '\n') /* Eat rest of input line, to EOF or newline */ |
872 | do | |
873 | { | |
874 | ans2 = fgetc (stdin); | |
875 | clearerr (stdin); | |
876 | } | |
877 | while (ans2 != EOF && ans2 != '\n'); | |
bd5635a1 RP |
878 | if (answer >= 'a') |
879 | answer -= 040; | |
880 | if (answer == 'Y') | |
d8742f46 JK |
881 | { |
882 | retval = 1; | |
883 | break; | |
884 | } | |
bd5635a1 | 885 | if (answer == 'N') |
d8742f46 JK |
886 | { |
887 | retval = 0; | |
888 | break; | |
889 | } | |
bcf2e6ab | 890 | printf_filtered ("Please answer y or n.\n"); |
bd5635a1 | 891 | } |
d8742f46 JK |
892 | |
893 | if (annotation_level > 1) | |
894 | printf_filtered ("\n\032\032post-query\n"); | |
895 | return retval; | |
bd5635a1 | 896 | } |
7919c3ed | 897 | |
bd5635a1 RP |
898 | \f |
899 | /* Parse a C escape sequence. STRING_PTR points to a variable | |
900 | containing a pointer to the string to parse. That pointer | |
901 | should point to the character after the \. That pointer | |
902 | is updated past the characters we use. The value of the | |
903 | escape sequence is returned. | |
904 | ||
905 | A negative value means the sequence \ newline was seen, | |
906 | which is supposed to be equivalent to nothing at all. | |
907 | ||
908 | If \ is followed by a null character, we return a negative | |
909 | value and leave the string pointer pointing at the null character. | |
910 | ||
911 | If \ is followed by 000, we return 0 and leave the string pointer | |
912 | after the zeros. A value of 0 does not mean end of string. */ | |
913 | ||
914 | int | |
915 | parse_escape (string_ptr) | |
916 | char **string_ptr; | |
917 | { | |
918 | register int c = *(*string_ptr)++; | |
919 | switch (c) | |
920 | { | |
921 | case 'a': | |
2bc2e684 | 922 | return 007; /* Bell (alert) char */ |
bd5635a1 RP |
923 | case 'b': |
924 | return '\b'; | |
2bc2e684 | 925 | case 'e': /* Escape character */ |
bd5635a1 RP |
926 | return 033; |
927 | case 'f': | |
928 | return '\f'; | |
929 | case 'n': | |
930 | return '\n'; | |
931 | case 'r': | |
932 | return '\r'; | |
933 | case 't': | |
934 | return '\t'; | |
935 | case 'v': | |
936 | return '\v'; | |
937 | case '\n': | |
938 | return -2; | |
939 | case 0: | |
940 | (*string_ptr)--; | |
941 | return 0; | |
942 | case '^': | |
943 | c = *(*string_ptr)++; | |
944 | if (c == '\\') | |
945 | c = parse_escape (string_ptr); | |
946 | if (c == '?') | |
947 | return 0177; | |
948 | return (c & 0200) | (c & 037); | |
949 | ||
950 | case '0': | |
951 | case '1': | |
952 | case '2': | |
953 | case '3': | |
954 | case '4': | |
955 | case '5': | |
956 | case '6': | |
957 | case '7': | |
958 | { | |
959 | register int i = c - '0'; | |
960 | register int count = 0; | |
961 | while (++count < 3) | |
962 | { | |
963 | if ((c = *(*string_ptr)++) >= '0' && c <= '7') | |
964 | { | |
965 | i *= 8; | |
966 | i += c - '0'; | |
967 | } | |
968 | else | |
969 | { | |
970 | (*string_ptr)--; | |
971 | break; | |
972 | } | |
973 | } | |
974 | return i; | |
975 | } | |
976 | default: | |
977 | return c; | |
978 | } | |
979 | } | |
980 | \f | |
51b80b00 FF |
981 | /* Print the character C on STREAM as part of the contents of a literal |
982 | string whose delimiter is QUOTER. Note that this routine should only | |
983 | be call for printing things which are independent of the language | |
984 | of the program being debugged. */ | |
bd5635a1 RP |
985 | |
986 | void | |
51b80b00 | 987 | gdb_printchar (c, stream, quoter) |
088c3a0b | 988 | register int c; |
bd5635a1 RP |
989 | FILE *stream; |
990 | int quoter; | |
991 | { | |
bd5635a1 | 992 | |
7e7e2d40 JG |
993 | c &= 0xFF; /* Avoid sign bit follies */ |
994 | ||
fcdb113e JG |
995 | if ( c < 0x20 || /* Low control chars */ |
996 | (c >= 0x7F && c < 0xA0) || /* DEL, High controls */ | |
997 | (sevenbit_strings && c >= 0x80)) { /* high order bit set */ | |
bd5635a1 RP |
998 | switch (c) |
999 | { | |
1000 | case '\n': | |
1001 | fputs_filtered ("\\n", stream); | |
1002 | break; | |
1003 | case '\b': | |
1004 | fputs_filtered ("\\b", stream); | |
1005 | break; | |
1006 | case '\t': | |
1007 | fputs_filtered ("\\t", stream); | |
1008 | break; | |
1009 | case '\f': | |
1010 | fputs_filtered ("\\f", stream); | |
1011 | break; | |
1012 | case '\r': | |
1013 | fputs_filtered ("\\r", stream); | |
1014 | break; | |
1015 | case '\033': | |
1016 | fputs_filtered ("\\e", stream); | |
1017 | break; | |
1018 | case '\007': | |
1019 | fputs_filtered ("\\a", stream); | |
1020 | break; | |
1021 | default: | |
1022 | fprintf_filtered (stream, "\\%.3o", (unsigned int) c); | |
1023 | break; | |
1024 | } | |
2bc2e684 FF |
1025 | } else { |
1026 | if (c == '\\' || c == quoter) | |
1027 | fputs_filtered ("\\", stream); | |
1028 | fprintf_filtered (stream, "%c", c); | |
1029 | } | |
bd5635a1 RP |
1030 | } |
1031 | \f | |
1032 | /* Number of lines per page or UINT_MAX if paging is disabled. */ | |
1033 | static unsigned int lines_per_page; | |
1034 | /* Number of chars per line or UNIT_MAX is line folding is disabled. */ | |
1035 | static unsigned int chars_per_line; | |
1036 | /* Current count of lines printed on this page, chars on this line. */ | |
1037 | static unsigned int lines_printed, chars_printed; | |
1038 | ||
1039 | /* Buffer and start column of buffered text, for doing smarter word- | |
1040 | wrapping. When someone calls wrap_here(), we start buffering output | |
1041 | that comes through fputs_filtered(). If we see a newline, we just | |
1042 | spit it out and forget about the wrap_here(). If we see another | |
1043 | wrap_here(), we spit it out and remember the newer one. If we see | |
1044 | the end of the line, we spit out a newline, the indent, and then | |
159dd2aa JK |
1045 | the buffered output. */ |
1046 | ||
1047 | /* Malloc'd buffer with chars_per_line+2 bytes. Contains characters which | |
1048 | are waiting to be output (they have already been counted in chars_printed). | |
1049 | When wrap_buffer[0] is null, the buffer is empty. */ | |
1050 | static char *wrap_buffer; | |
bd5635a1 | 1051 | |
159dd2aa JK |
1052 | /* Pointer in wrap_buffer to the next character to fill. */ |
1053 | static char *wrap_pointer; | |
bd5635a1 | 1054 | |
159dd2aa JK |
1055 | /* String to indent by if the wrap occurs. Must not be NULL if wrap_column |
1056 | is non-zero. */ | |
1057 | static char *wrap_indent; | |
1058 | ||
1059 | /* Column number on the screen where wrap_buffer begins, or 0 if wrapping | |
1060 | is not in effect. */ | |
bd5635a1 RP |
1061 | static int wrap_column; |
1062 | ||
e1ce8aa5 | 1063 | /* ARGSUSED */ |
bd5635a1 RP |
1064 | static void |
1065 | set_width_command (args, from_tty, c) | |
1066 | char *args; | |
1067 | int from_tty; | |
1068 | struct cmd_list_element *c; | |
1069 | { | |
1070 | if (!wrap_buffer) | |
1071 | { | |
1072 | wrap_buffer = (char *) xmalloc (chars_per_line + 2); | |
1073 | wrap_buffer[0] = '\0'; | |
1074 | } | |
1075 | else | |
1076 | wrap_buffer = (char *) xrealloc (wrap_buffer, chars_per_line + 2); | |
1077 | wrap_pointer = wrap_buffer; /* Start it at the beginning */ | |
1078 | } | |
1079 | ||
d974236f JG |
1080 | /* Wait, so the user can read what's on the screen. Prompt the user |
1081 | to continue by pressing RETURN. */ | |
1082 | ||
bd5635a1 RP |
1083 | static void |
1084 | prompt_for_continue () | |
1085 | { | |
351b221d | 1086 | char *ignore; |
d8742f46 JK |
1087 | char cont_prompt[120]; |
1088 | ||
4dd876ac JK |
1089 | if (annotation_level > 1) |
1090 | printf_unfiltered ("\n\032\032pre-prompt-for-continue\n"); | |
1091 | ||
d8742f46 JK |
1092 | strcpy (cont_prompt, |
1093 | "---Type <return> to continue, or q <return> to quit---"); | |
1094 | if (annotation_level > 1) | |
1095 | strcat (cont_prompt, "\n\032\032prompt-for-continue\n"); | |
351b221d | 1096 | |
d974236f JG |
1097 | /* We must do this *before* we call gdb_readline, else it will eventually |
1098 | call us -- thinking that we're trying to print beyond the end of the | |
1099 | screen. */ | |
1100 | reinitialize_more_filter (); | |
1101 | ||
bd5635a1 | 1102 | immediate_quit++; |
159dd2aa JK |
1103 | /* On a real operating system, the user can quit with SIGINT. |
1104 | But not on GO32. | |
1105 | ||
1106 | 'q' is provided on all systems so users don't have to change habits | |
1107 | from system to system, and because telling them what to do in | |
1108 | the prompt is more user-friendly than expecting them to think of | |
1109 | SIGINT. */ | |
a94100d1 JK |
1110 | /* Call readline, not gdb_readline, because GO32 readline handles control-C |
1111 | whereas control-C to gdb_readline will cause the user to get dumped | |
1112 | out to DOS. */ | |
d8742f46 | 1113 | ignore = readline (cont_prompt); |
4dd876ac JK |
1114 | |
1115 | if (annotation_level > 1) | |
1116 | printf_unfiltered ("\n\032\032post-prompt-for-continue\n"); | |
1117 | ||
351b221d | 1118 | if (ignore) |
159dd2aa JK |
1119 | { |
1120 | char *p = ignore; | |
1121 | while (*p == ' ' || *p == '\t') | |
1122 | ++p; | |
1123 | if (p[0] == 'q') | |
1124 | request_quit (SIGINT); | |
1125 | free (ignore); | |
1126 | } | |
bd5635a1 | 1127 | immediate_quit--; |
d974236f JG |
1128 | |
1129 | /* Now we have to do this again, so that GDB will know that it doesn't | |
1130 | need to save the ---Type <return>--- line at the top of the screen. */ | |
1131 | reinitialize_more_filter (); | |
1132 | ||
351b221d | 1133 | dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */ |
bd5635a1 RP |
1134 | } |
1135 | ||
1136 | /* Reinitialize filter; ie. tell it to reset to original values. */ | |
1137 | ||
1138 | void | |
1139 | reinitialize_more_filter () | |
1140 | { | |
1141 | lines_printed = 0; | |
1142 | chars_printed = 0; | |
1143 | } | |
1144 | ||
1145 | /* Indicate that if the next sequence of characters overflows the line, | |
1146 | a newline should be inserted here rather than when it hits the end. | |
159dd2aa | 1147 | If INDENT is non-null, it is a string to be printed to indent the |
bd5635a1 RP |
1148 | wrapped part on the next line. INDENT must remain accessible until |
1149 | the next call to wrap_here() or until a newline is printed through | |
1150 | fputs_filtered(). | |
1151 | ||
1152 | If the line is already overfull, we immediately print a newline and | |
1153 | the indentation, and disable further wrapping. | |
1154 | ||
2bc2e684 FF |
1155 | If we don't know the width of lines, but we know the page height, |
1156 | we must not wrap words, but should still keep track of newlines | |
1157 | that were explicitly printed. | |
1158 | ||
159dd2aa JK |
1159 | INDENT should not contain tabs, as that will mess up the char count |
1160 | on the next line. FIXME. | |
1161 | ||
1162 | This routine is guaranteed to force out any output which has been | |
1163 | squirreled away in the wrap_buffer, so wrap_here ((char *)0) can be | |
1164 | used to force out output from the wrap_buffer. */ | |
bd5635a1 RP |
1165 | |
1166 | void | |
1167 | wrap_here(indent) | |
159dd2aa | 1168 | char *indent; |
bd5635a1 | 1169 | { |
cad1498f SG |
1170 | /* This should have been allocated, but be paranoid anyway. */ |
1171 | if (!wrap_buffer) | |
1172 | abort (); | |
1173 | ||
bd5635a1 RP |
1174 | if (wrap_buffer[0]) |
1175 | { | |
1176 | *wrap_pointer = '\0'; | |
d8fc8773 | 1177 | fputs_unfiltered (wrap_buffer, gdb_stdout); |
bd5635a1 RP |
1178 | } |
1179 | wrap_pointer = wrap_buffer; | |
1180 | wrap_buffer[0] = '\0'; | |
2bc2e684 FF |
1181 | if (chars_per_line == UINT_MAX) /* No line overflow checking */ |
1182 | { | |
1183 | wrap_column = 0; | |
1184 | } | |
1185 | else if (chars_printed >= chars_per_line) | |
bd5635a1 RP |
1186 | { |
1187 | puts_filtered ("\n"); | |
159dd2aa JK |
1188 | if (indent != NULL) |
1189 | puts_filtered (indent); | |
bd5635a1 RP |
1190 | wrap_column = 0; |
1191 | } | |
1192 | else | |
1193 | { | |
1194 | wrap_column = chars_printed; | |
159dd2aa JK |
1195 | if (indent == NULL) |
1196 | wrap_indent = ""; | |
1197 | else | |
1198 | wrap_indent = indent; | |
bd5635a1 RP |
1199 | } |
1200 | } | |
1201 | ||
51b80b00 FF |
1202 | /* Ensure that whatever gets printed next, using the filtered output |
1203 | commands, starts at the beginning of the line. I.E. if there is | |
1204 | any pending output for the current line, flush it and start a new | |
1205 | line. Otherwise do nothing. */ | |
1206 | ||
1207 | void | |
1208 | begin_line () | |
1209 | { | |
1210 | if (chars_printed > 0) | |
1211 | { | |
1212 | puts_filtered ("\n"); | |
1213 | } | |
1214 | } | |
1215 | ||
199b2450 TL |
1216 | |
1217 | GDB_FILE * | |
1218 | gdb_fopen (name, mode) | |
1219 | char * name; | |
1220 | char * mode; | |
1221 | { | |
1222 | return fopen (name, mode); | |
1223 | } | |
1224 | ||
bd5635a1 | 1225 | void |
199b2450 TL |
1226 | gdb_flush (stream) |
1227 | FILE *stream; | |
1228 | { | |
1229 | fflush (stream); | |
1230 | } | |
1231 | ||
44a09a68 JK |
1232 | /* Like fputs but if FILTER is true, pause after every screenful. |
1233 | ||
1234 | Regardless of FILTER can wrap at points other than the final | |
1235 | character of a line. | |
1236 | ||
1237 | Unlike fputs, fputs_maybe_filtered does not return a value. | |
1238 | It is OK for LINEBUFFER to be NULL, in which case just don't print | |
1239 | anything. | |
1240 | ||
1241 | Note that a longjmp to top level may occur in this routine (only if | |
1242 | FILTER is true) (since prompt_for_continue may do so) so this | |
1243 | routine should not be called when cleanups are not in place. */ | |
1244 | ||
199b2450 TL |
1245 | static void |
1246 | fputs_maybe_filtered (linebuffer, stream, filter) | |
088c3a0b | 1247 | const char *linebuffer; |
bd5635a1 | 1248 | FILE *stream; |
199b2450 | 1249 | int filter; |
bd5635a1 | 1250 | { |
7919c3ed | 1251 | const char *lineptr; |
bd5635a1 RP |
1252 | |
1253 | if (linebuffer == 0) | |
1254 | return; | |
1255 | ||
1256 | /* Don't do any filtering if it is disabled. */ | |
199b2450 | 1257 | if (stream != gdb_stdout |
bd5635a1 RP |
1258 | || (lines_per_page == UINT_MAX && chars_per_line == UINT_MAX)) |
1259 | { | |
d8fc8773 | 1260 | fputs_unfiltered (linebuffer, stream); |
bd5635a1 RP |
1261 | return; |
1262 | } | |
1263 | ||
1264 | /* Go through and output each character. Show line extension | |
1265 | when this is necessary; prompt user for new page when this is | |
1266 | necessary. */ | |
1267 | ||
1268 | lineptr = linebuffer; | |
1269 | while (*lineptr) | |
1270 | { | |
1271 | /* Possible new page. */ | |
199b2450 TL |
1272 | if (filter && |
1273 | (lines_printed >= lines_per_page - 1)) | |
bd5635a1 RP |
1274 | prompt_for_continue (); |
1275 | ||
1276 | while (*lineptr && *lineptr != '\n') | |
1277 | { | |
1278 | /* Print a single line. */ | |
1279 | if (*lineptr == '\t') | |
1280 | { | |
1281 | if (wrap_column) | |
1282 | *wrap_pointer++ = '\t'; | |
1283 | else | |
d8fc8773 | 1284 | fputc_unfiltered ('\t', stream); |
bd5635a1 RP |
1285 | /* Shifting right by 3 produces the number of tab stops |
1286 | we have already passed, and then adding one and | |
1287 | shifting left 3 advances to the next tab stop. */ | |
1288 | chars_printed = ((chars_printed >> 3) + 1) << 3; | |
1289 | lineptr++; | |
1290 | } | |
1291 | else | |
1292 | { | |
1293 | if (wrap_column) | |
1294 | *wrap_pointer++ = *lineptr; | |
1295 | else | |
d8fc8773 | 1296 | fputc_unfiltered (*lineptr, stream); |
bd5635a1 RP |
1297 | chars_printed++; |
1298 | lineptr++; | |
1299 | } | |
1300 | ||
1301 | if (chars_printed >= chars_per_line) | |
1302 | { | |
1303 | unsigned int save_chars = chars_printed; | |
1304 | ||
1305 | chars_printed = 0; | |
1306 | lines_printed++; | |
1307 | /* If we aren't actually wrapping, don't output newline -- | |
1308 | if chars_per_line is right, we probably just overflowed | |
1309 | anyway; if it's wrong, let us keep going. */ | |
1310 | if (wrap_column) | |
d8fc8773 | 1311 | fputc_unfiltered ('\n', stream); |
bd5635a1 RP |
1312 | |
1313 | /* Possible new page. */ | |
1314 | if (lines_printed >= lines_per_page - 1) | |
1315 | prompt_for_continue (); | |
1316 | ||
1317 | /* Now output indentation and wrapped string */ | |
1318 | if (wrap_column) | |
1319 | { | |
d8fc8773 JK |
1320 | fputs_unfiltered (wrap_indent, stream); |
1321 | *wrap_pointer = '\0'; /* Null-terminate saved stuff */ | |
1322 | fputs_unfiltered (wrap_buffer, stream); /* and eject it */ | |
bd5635a1 RP |
1323 | /* FIXME, this strlen is what prevents wrap_indent from |
1324 | containing tabs. However, if we recurse to print it | |
1325 | and count its chars, we risk trouble if wrap_indent is | |
1326 | longer than (the user settable) chars_per_line. | |
1327 | Note also that this can set chars_printed > chars_per_line | |
1328 | if we are printing a long string. */ | |
1329 | chars_printed = strlen (wrap_indent) | |
1330 | + (save_chars - wrap_column); | |
1331 | wrap_pointer = wrap_buffer; /* Reset buffer */ | |
1332 | wrap_buffer[0] = '\0'; | |
1333 | wrap_column = 0; /* And disable fancy wrap */ | |
1334 | } | |
1335 | } | |
1336 | } | |
1337 | ||
1338 | if (*lineptr == '\n') | |
1339 | { | |
1340 | chars_printed = 0; | |
d11c44f1 | 1341 | wrap_here ((char *)0); /* Spit out chars, cancel further wraps */ |
bd5635a1 | 1342 | lines_printed++; |
d8fc8773 | 1343 | fputc_unfiltered ('\n', stream); |
bd5635a1 RP |
1344 | lineptr++; |
1345 | } | |
1346 | } | |
1347 | } | |
1348 | ||
199b2450 TL |
1349 | void |
1350 | fputs_filtered (linebuffer, stream) | |
1351 | const char *linebuffer; | |
1352 | FILE *stream; | |
1353 | { | |
1354 | fputs_maybe_filtered (linebuffer, stream, 1); | |
1355 | } | |
1356 | ||
199b2450 TL |
1357 | void |
1358 | putc_unfiltered (c) | |
1359 | int c; | |
1360 | { | |
1361 | char buf[2]; | |
1362 | buf[0] = c; | |
1363 | buf[1] = 0; | |
1364 | fputs_unfiltered (buf, gdb_stdout); | |
1365 | } | |
1366 | ||
1367 | void | |
1368 | fputc_unfiltered (c, stream) | |
1369 | int c; | |
1370 | FILE * stream; | |
1371 | { | |
1372 | char buf[2]; | |
1373 | buf[0] = c; | |
1374 | buf[1] = 0; | |
1375 | fputs_unfiltered (buf, stream); | |
1376 | } | |
1377 | ||
1378 | ||
bd5635a1 RP |
1379 | /* Print a variable number of ARGS using format FORMAT. If this |
1380 | information is going to put the amount written (since the last call | |
d974236f | 1381 | to REINITIALIZE_MORE_FILTER or the last page break) over the page size, |
d8fc8773 | 1382 | call prompt_for_continue to get the users permision to continue. |
bd5635a1 RP |
1383 | |
1384 | Unlike fprintf, this function does not return a value. | |
1385 | ||
1386 | We implement three variants, vfprintf (takes a vararg list and stream), | |
1387 | fprintf (takes a stream to write on), and printf (the usual). | |
1388 | ||
bd5635a1 RP |
1389 | Note also that a longjmp to top level may occur in this routine |
1390 | (since prompt_for_continue may do so) so this routine should not be | |
1391 | called when cleanups are not in place. */ | |
1392 | ||
199b2450 TL |
1393 | static void |
1394 | vfprintf_maybe_filtered (stream, format, args, filter) | |
bd5635a1 RP |
1395 | FILE *stream; |
1396 | char *format; | |
7919c3ed | 1397 | va_list args; |
199b2450 | 1398 | int filter; |
bd5635a1 | 1399 | { |
d8fc8773 JK |
1400 | char *linebuffer; |
1401 | struct cleanup *old_cleanups; | |
bd5635a1 | 1402 | |
d8fc8773 JK |
1403 | vasprintf (&linebuffer, format, args); |
1404 | if (linebuffer == NULL) | |
9c036bd8 JK |
1405 | { |
1406 | fputs_unfiltered ("\ngdb: virtual memory exhausted.\n", gdb_stderr); | |
1407 | exit (1); | |
1408 | } | |
d8fc8773 | 1409 | old_cleanups = make_cleanup (free, linebuffer); |
199b2450 | 1410 | fputs_maybe_filtered (linebuffer, stream, filter); |
d8fc8773 | 1411 | do_cleanups (old_cleanups); |
199b2450 TL |
1412 | } |
1413 | ||
1414 | ||
1415 | void | |
1416 | vfprintf_filtered (stream, format, args) | |
1417 | FILE *stream; | |
1418 | char *format; | |
1419 | va_list args; | |
1420 | { | |
1421 | vfprintf_maybe_filtered (stream, format, args, 1); | |
1422 | } | |
1423 | ||
1424 | void | |
1425 | vfprintf_unfiltered (stream, format, args) | |
1426 | FILE *stream; | |
1427 | char *format; | |
1428 | va_list args; | |
1429 | { | |
d8fc8773 JK |
1430 | char *linebuffer; |
1431 | struct cleanup *old_cleanups; | |
1432 | ||
1433 | vasprintf (&linebuffer, format, args); | |
1434 | if (linebuffer == NULL) | |
9c036bd8 JK |
1435 | { |
1436 | fputs_unfiltered ("\ngdb: virtual memory exhausted.\n", gdb_stderr); | |
1437 | exit (1); | |
1438 | } | |
d8fc8773 JK |
1439 | old_cleanups = make_cleanup (free, linebuffer); |
1440 | fputs_unfiltered (linebuffer, stream); | |
1441 | do_cleanups (old_cleanups); | |
bd5635a1 RP |
1442 | } |
1443 | ||
51b80b00 FF |
1444 | void |
1445 | vprintf_filtered (format, args) | |
1446 | char *format; | |
1447 | va_list args; | |
1448 | { | |
199b2450 TL |
1449 | vfprintf_maybe_filtered (gdb_stdout, format, args, 1); |
1450 | } | |
1451 | ||
1452 | void | |
1453 | vprintf_unfiltered (format, args) | |
1454 | char *format; | |
1455 | va_list args; | |
1456 | { | |
d8fc8773 | 1457 | vfprintf_unfiltered (gdb_stdout, format, args); |
51b80b00 FF |
1458 | } |
1459 | ||
bd5635a1 RP |
1460 | /* VARARGS */ |
1461 | void | |
1462 | fprintf_filtered (va_alist) | |
1463 | va_dcl | |
1464 | { | |
546014f7 | 1465 | va_list args; |
bd5635a1 RP |
1466 | FILE *stream; |
1467 | char *format; | |
546014f7 PB |
1468 | |
1469 | va_start (args); | |
1470 | stream = va_arg (args, FILE *); | |
1471 | format = va_arg (args, char *); | |
1472 | ||
546014f7 PB |
1473 | vfprintf_filtered (stream, format, args); |
1474 | va_end (args); | |
1475 | } | |
1476 | ||
199b2450 TL |
1477 | /* VARARGS */ |
1478 | void | |
1479 | fprintf_unfiltered (va_alist) | |
1480 | va_dcl | |
1481 | { | |
1482 | va_list args; | |
1483 | FILE *stream; | |
1484 | char *format; | |
1485 | ||
1486 | va_start (args); | |
1487 | stream = va_arg (args, FILE *); | |
1488 | format = va_arg (args, char *); | |
1489 | ||
199b2450 TL |
1490 | vfprintf_unfiltered (stream, format, args); |
1491 | va_end (args); | |
1492 | } | |
1493 | ||
d8fc8773 | 1494 | /* Like fprintf_filtered, but prints its result indented. |
199b2450 | 1495 | Called as fprintfi_filtered (spaces, stream, format, ...); */ |
546014f7 PB |
1496 | |
1497 | /* VARARGS */ | |
1498 | void | |
1499 | fprintfi_filtered (va_alist) | |
1500 | va_dcl | |
1501 | { | |
7919c3ed | 1502 | va_list args; |
546014f7 PB |
1503 | int spaces; |
1504 | FILE *stream; | |
1505 | char *format; | |
bd5635a1 RP |
1506 | |
1507 | va_start (args); | |
546014f7 | 1508 | spaces = va_arg (args, int); |
bd5635a1 RP |
1509 | stream = va_arg (args, FILE *); |
1510 | format = va_arg (args, char *); | |
546014f7 | 1511 | print_spaces_filtered (spaces, stream); |
bd5635a1 | 1512 | |
7919c3ed | 1513 | vfprintf_filtered (stream, format, args); |
bd5635a1 RP |
1514 | va_end (args); |
1515 | } | |
1516 | ||
199b2450 | 1517 | |
bd5635a1 RP |
1518 | /* VARARGS */ |
1519 | void | |
1520 | printf_filtered (va_alist) | |
1521 | va_dcl | |
1522 | { | |
1523 | va_list args; | |
1524 | char *format; | |
1525 | ||
1526 | va_start (args); | |
1527 | format = va_arg (args, char *); | |
1528 | ||
199b2450 TL |
1529 | vfprintf_filtered (gdb_stdout, format, args); |
1530 | va_end (args); | |
1531 | } | |
1532 | ||
1533 | ||
1534 | /* VARARGS */ | |
1535 | void | |
1536 | printf_unfiltered (va_alist) | |
1537 | va_dcl | |
1538 | { | |
1539 | va_list args; | |
1540 | char *format; | |
1541 | ||
1542 | va_start (args); | |
1543 | format = va_arg (args, char *); | |
1544 | ||
1545 | vfprintf_unfiltered (gdb_stdout, format, args); | |
bd5635a1 RP |
1546 | va_end (args); |
1547 | } | |
bd5635a1 | 1548 | |
546014f7 | 1549 | /* Like printf_filtered, but prints it's result indented. |
199b2450 | 1550 | Called as printfi_filtered (spaces, format, ...); */ |
546014f7 PB |
1551 | |
1552 | /* VARARGS */ | |
1553 | void | |
1554 | printfi_filtered (va_alist) | |
1555 | va_dcl | |
1556 | { | |
1557 | va_list args; | |
1558 | int spaces; | |
1559 | char *format; | |
1560 | ||
1561 | va_start (args); | |
1562 | spaces = va_arg (args, int); | |
1563 | format = va_arg (args, char *); | |
199b2450 TL |
1564 | print_spaces_filtered (spaces, gdb_stdout); |
1565 | vfprintf_filtered (gdb_stdout, format, args); | |
546014f7 PB |
1566 | va_end (args); |
1567 | } | |
1568 | ||
51b80b00 FF |
1569 | /* Easy -- but watch out! |
1570 | ||
1571 | This routine is *not* a replacement for puts()! puts() appends a newline. | |
1572 | This one doesn't, and had better not! */ | |
bd5635a1 RP |
1573 | |
1574 | void | |
1575 | puts_filtered (string) | |
1576 | char *string; | |
1577 | { | |
199b2450 TL |
1578 | fputs_filtered (string, gdb_stdout); |
1579 | } | |
1580 | ||
1581 | void | |
1582 | puts_unfiltered (string) | |
1583 | char *string; | |
1584 | { | |
1585 | fputs_unfiltered (string, gdb_stdout); | |
bd5635a1 RP |
1586 | } |
1587 | ||
1588 | /* Return a pointer to N spaces and a null. The pointer is good | |
1589 | until the next call to here. */ | |
1590 | char * | |
1591 | n_spaces (n) | |
1592 | int n; | |
1593 | { | |
1594 | register char *t; | |
1595 | static char *spaces; | |
1596 | static int max_spaces; | |
1597 | ||
1598 | if (n > max_spaces) | |
1599 | { | |
1600 | if (spaces) | |
1601 | free (spaces); | |
3624c875 | 1602 | spaces = (char *) xmalloc (n+1); |
bd5635a1 RP |
1603 | for (t = spaces+n; t != spaces;) |
1604 | *--t = ' '; | |
1605 | spaces[n] = '\0'; | |
1606 | max_spaces = n; | |
1607 | } | |
1608 | ||
1609 | return spaces + max_spaces - n; | |
1610 | } | |
1611 | ||
1612 | /* Print N spaces. */ | |
1613 | void | |
1614 | print_spaces_filtered (n, stream) | |
1615 | int n; | |
1616 | FILE *stream; | |
1617 | { | |
1618 | fputs_filtered (n_spaces (n), stream); | |
1619 | } | |
1620 | \f | |
1621 | /* C++ demangler stuff. */ | |
bd5635a1 | 1622 | |
65ce5df4 JG |
1623 | /* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language |
1624 | LANG, using demangling args ARG_MODE, and print it filtered to STREAM. | |
1625 | If the name is not mangled, or the language for the name is unknown, or | |
1626 | demangling is off, the name is printed in its "raw" form. */ | |
1627 | ||
bd5635a1 | 1628 | void |
65ce5df4 | 1629 | fprintf_symbol_filtered (stream, name, lang, arg_mode) |
bd5635a1 RP |
1630 | FILE *stream; |
1631 | char *name; | |
65ce5df4 JG |
1632 | enum language lang; |
1633 | int arg_mode; | |
bd5635a1 | 1634 | { |
65ce5df4 | 1635 | char *demangled; |
bd5d07d9 | 1636 | |
65ce5df4 | 1637 | if (name != NULL) |
bd5d07d9 | 1638 | { |
65ce5df4 JG |
1639 | /* If user wants to see raw output, no problem. */ |
1640 | if (!demangle) | |
bd5d07d9 | 1641 | { |
65ce5df4 JG |
1642 | fputs_filtered (name, stream); |
1643 | } | |
1644 | else | |
1645 | { | |
1646 | switch (lang) | |
1647 | { | |
1648 | case language_cplus: | |
1649 | demangled = cplus_demangle (name, arg_mode); | |
1650 | break; | |
65ce5df4 JG |
1651 | case language_chill: |
1652 | demangled = chill_demangle (name); | |
1653 | break; | |
65ce5df4 JG |
1654 | default: |
1655 | demangled = NULL; | |
1656 | break; | |
1657 | } | |
1658 | fputs_filtered (demangled ? demangled : name, stream); | |
1659 | if (demangled != NULL) | |
1660 | { | |
1661 | free (demangled); | |
1662 | } | |
bd5d07d9 | 1663 | } |
bd5635a1 RP |
1664 | } |
1665 | } | |
51b57ded FF |
1666 | |
1667 | /* Do a strcmp() type operation on STRING1 and STRING2, ignoring any | |
1668 | differences in whitespace. Returns 0 if they match, non-zero if they | |
546014f7 PB |
1669 | don't (slightly different than strcmp()'s range of return values). |
1670 | ||
1671 | As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO". | |
2e4964ad FF |
1672 | This "feature" is useful when searching for matching C++ function names |
1673 | (such as if the user types 'break FOO', where FOO is a mangled C++ | |
1674 | function). */ | |
51b57ded | 1675 | |
51b80b00 | 1676 | int |
51b57ded FF |
1677 | strcmp_iw (string1, string2) |
1678 | const char *string1; | |
1679 | const char *string2; | |
1680 | { | |
1681 | while ((*string1 != '\0') && (*string2 != '\0')) | |
1682 | { | |
1683 | while (isspace (*string1)) | |
1684 | { | |
1685 | string1++; | |
1686 | } | |
1687 | while (isspace (*string2)) | |
1688 | { | |
1689 | string2++; | |
1690 | } | |
1691 | if (*string1 != *string2) | |
1692 | { | |
1693 | break; | |
1694 | } | |
1695 | if (*string1 != '\0') | |
1696 | { | |
1697 | string1++; | |
1698 | string2++; | |
1699 | } | |
1700 | } | |
546014f7 | 1701 | return (*string1 != '\0' && *string1 != '(') || (*string2 != '\0'); |
51b57ded FF |
1702 | } |
1703 | ||
bd5635a1 | 1704 | \f |
bd5635a1 RP |
1705 | void |
1706 | _initialize_utils () | |
1707 | { | |
1708 | struct cmd_list_element *c; | |
1709 | ||
1710 | c = add_set_cmd ("width", class_support, var_uinteger, | |
1711 | (char *)&chars_per_line, | |
1712 | "Set number of characters gdb thinks are in a line.", | |
1713 | &setlist); | |
1714 | add_show_from_set (c, &showlist); | |
d747e0af | 1715 | c->function.sfunc = set_width_command; |
bd5635a1 RP |
1716 | |
1717 | add_show_from_set | |
1718 | (add_set_cmd ("height", class_support, | |
1719 | var_uinteger, (char *)&lines_per_page, | |
1720 | "Set number of lines gdb thinks are in a page.", &setlist), | |
1721 | &showlist); | |
1722 | ||
1723 | /* These defaults will be used if we are unable to get the correct | |
1724 | values from termcap. */ | |
51b57ded FF |
1725 | #if defined(__GO32__) |
1726 | lines_per_page = ScreenRows(); | |
1727 | chars_per_line = ScreenCols(); | |
1728 | #else | |
bd5635a1 RP |
1729 | lines_per_page = 24; |
1730 | chars_per_line = 80; | |
a6b26c44 SS |
1731 | /* start-sanitize-mpw */ |
1732 | #ifndef MPW | |
1733 | /* No termcap under MPW, although might be cool to do something | |
1734 | by looking at worksheet or console window sizes. */ | |
1735 | /* end-sanitize-mpw */ | |
bd5635a1 RP |
1736 | /* Initialize the screen height and width from termcap. */ |
1737 | { | |
1738 | char *termtype = getenv ("TERM"); | |
1739 | ||
1740 | /* Positive means success, nonpositive means failure. */ | |
1741 | int status; | |
1742 | ||
1743 | /* 2048 is large enough for all known terminals, according to the | |
1744 | GNU termcap manual. */ | |
1745 | char term_buffer[2048]; | |
1746 | ||
1747 | if (termtype) | |
1748 | { | |
1749 | status = tgetent (term_buffer, termtype); | |
1750 | if (status > 0) | |
1751 | { | |
1752 | int val; | |
1753 | ||
1754 | val = tgetnum ("li"); | |
1755 | if (val >= 0) | |
1756 | lines_per_page = val; | |
1757 | else | |
1758 | /* The number of lines per page is not mentioned | |
1759 | in the terminal description. This probably means | |
1760 | that paging is not useful (e.g. emacs shell window), | |
1761 | so disable paging. */ | |
1762 | lines_per_page = UINT_MAX; | |
1763 | ||
1764 | val = tgetnum ("co"); | |
1765 | if (val >= 0) | |
1766 | chars_per_line = val; | |
1767 | } | |
1768 | } | |
1769 | } | |
a6b26c44 SS |
1770 | /* start-sanitize-mpw */ |
1771 | #endif /* MPW */ | |
1772 | /* end-sanitize-mpw */ | |
bd5635a1 | 1773 | |
1eeba686 PB |
1774 | #if defined(SIGWINCH) && defined(SIGWINCH_HANDLER) |
1775 | ||
4ace50a5 | 1776 | /* If there is a better way to determine the window size, use it. */ |
1eeba686 PB |
1777 | SIGWINCH_HANDLER (); |
1778 | #endif | |
51b57ded | 1779 | #endif |
2bc2e684 | 1780 | /* If the output is not a terminal, don't paginate it. */ |
199b2450 | 1781 | if (!ISATTY (gdb_stdout)) |
2bc2e684 FF |
1782 | lines_per_page = UINT_MAX; |
1783 | ||
bd5635a1 RP |
1784 | set_width_command ((char *)NULL, 0, c); |
1785 | ||
1786 | add_show_from_set | |
1787 | (add_set_cmd ("demangle", class_support, var_boolean, | |
1788 | (char *)&demangle, | |
1789 | "Set demangling of encoded C++ names when displaying symbols.", | |
f266e564 JK |
1790 | &setprintlist), |
1791 | &showprintlist); | |
bd5635a1 RP |
1792 | |
1793 | add_show_from_set | |
1794 | (add_set_cmd ("sevenbit-strings", class_support, var_boolean, | |
1795 | (char *)&sevenbit_strings, | |
1796 | "Set printing of 8-bit characters in strings as \\nnn.", | |
f266e564 JK |
1797 | &setprintlist), |
1798 | &showprintlist); | |
bd5635a1 RP |
1799 | |
1800 | add_show_from_set | |
1801 | (add_set_cmd ("asm-demangle", class_support, var_boolean, | |
1802 | (char *)&asm_demangle, | |
1803 | "Set demangling of C++ names in disassembly listings.", | |
f266e564 JK |
1804 | &setprintlist), |
1805 | &showprintlist); | |
bd5635a1 | 1806 | } |
1eeba686 PB |
1807 | |
1808 | /* Machine specific function to handle SIGWINCH signal. */ | |
1809 | ||
1810 | #ifdef SIGWINCH_HANDLER_BODY | |
1811 | SIGWINCH_HANDLER_BODY | |
1812 | #endif | |
bd5d07d9 | 1813 |