Bug Summary

File:src/gnu/usr.bin/binutils/gdb/tui/tui-data.c
Warning:line 357, column 21
Value stored to 'type' during its initialization is never read

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name tui-data.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 1 -pic-is-pie -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/gnu/usr.bin/binutils/obj/gdb -resource-dir /usr/local/lib/clang/13.0.0 -D PIE_DEFAULT=1 -I . -I /usr/src/gnu/usr.bin/binutils/gdb -I /usr/src/gnu/usr.bin/binutils/gdb/config -D LOCALEDIR="/usr/share/locale" -D HAVE_CONFIG_H -I /usr/src/gnu/usr.bin/binutils/gdb/../include/opcode -I ../bfd -I /usr/src/gnu/usr.bin/binutils/gdb/../bfd -I /usr/src/gnu/usr.bin/binutils/gdb/../include -I ../intl -I /usr/src/gnu/usr.bin/binutils/gdb/../intl -D MI_OUT=1 -D TUI=1 -internal-isystem /usr/local/lib/clang/13.0.0/include -internal-externc-isystem /usr/include -O2 -fdebug-compilation-dir=/usr/src/gnu/usr.bin/binutils/obj/gdb -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fgnuc-version=4.2.1 -fcommon -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/vmm/scan-build/2022-01-12-194120-40624-1 -x c /usr/src/gnu/usr.bin/binutils/gdb/tui/tui-data.c
1/* TUI data manipulation routines.
2
3 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
4 Foundation, Inc.
5
6 Contributed by Hewlett-Packard Company.
7
8 This file is part of GDB.
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
24
25#include "defs.h"
26#include "symtab.h"
27#include "tui/tui.h"
28#include "tui/tui-data.h"
29#include "tui/tui-wingeneral.h"
30
31#include "gdb_string.h"
32#include "gdb_curses.h"
33
34/****************************
35** GLOBAL DECLARATIONS
36****************************/
37struct tui_win_info *(tui_win_list[MAX_MAJOR_WINDOWS]);
38
39/***************************
40** Private data
41****************************/
42static enum tui_layout_type current_layout = UNDEFINED_LAYOUT;
43static int term_height, term_width;
44static struct tui_gen_win_info _locator;
45static struct tui_gen_win_info exec_info[2];
46static struct tui_win_info * src_win_list[2];
47static struct tui_list source_windows = {(void **) src_win_list, 0};
48static int default_tab_len = DEFAULT_TAB_LEN8;
49static struct tui_win_info * win_with_focus = (struct tui_win_info *) NULL((void*)0);
50static struct tui_layout_def layout_def =
51{SRC_WIN, /* DISPLAY_MODE */
52 FALSE0, /* SPLIT */
53 TUI_UNDEFINED_REGS, /* REGS_DISPLAY_TYPE */
54 TUI_SFLOAT_REGS}; /* FLOAT_REGS_DISPLAY_TYPE */
55static int win_resized = FALSE0;
56
57
58/*********************************
59** Static function forward decls
60**********************************/
61static void free_content (tui_win_content, int, enum tui_win_type);
62static void free_content_elements (tui_win_content, int, enum tui_win_type);
63
64
65
66/*********************************
67** PUBLIC FUNCTIONS
68**********************************/
69
70int
71tui_win_is_source_type (enum tui_win_type win_type)
72{
73 return (win_type == SRC_WIN || win_type == DISASSEM_WIN);
74}
75
76int
77tui_win_is_auxillary (enum tui_win_type win_type)
78{
79 return (win_type > MAX_MAJOR_WINDOWS);
80}
81
82int
83tui_win_has_locator (struct tui_win_info *win_info)
84{
85 return (win_info != NULL((void*)0) \
86 && win_info->detail.source_info.has_locator);
87}
88
89void
90tui_set_win_highlight (struct tui_win_info *win_info, int highlight)
91{
92 if (win_info != NULL((void*)0))
93 win_info->is_highlighted = highlight;
94}
95
96/******************************************
97** ACCESSORS & MUTATORS FOR PRIVATE DATA
98******************************************/
99
100/* Answer a whether the terminal window has been resized or not. */
101int
102tui_win_resized (void)
103{
104 return win_resized;
105}
106
107
108/* Set a whether the terminal window has been resized or not. */
109void
110tui_set_win_resized_to (int resized)
111{
112 win_resized = resized;
113}
114
115
116/* Answer a pointer to the current layout definition. */
117struct tui_layout_def *
118tui_layout_def (void)
119{
120 return &layout_def;
121}
122
123
124/* Answer the window with the logical focus. */
125struct tui_win_info *
126tui_win_with_focus (void)
127{
128 return win_with_focus;
129}
130
131
132/* Set the window that has the logical focus. */
133void
134tui_set_win_with_focus (struct tui_win_info * win_info)
135{
136 win_with_focus = win_info;
137}
138
139
140/* Answer the length in chars, of tabs. */
141int
142tui_default_tab_len (void)
143{
144 return default_tab_len;
145}
146
147
148/* Set the length in chars, of tabs. */
149void
150tui_set_default_tab_len (int len)
151{
152 default_tab_len = len;
153}
154
155
156/* Accessor for the current source window. Usually there is only one
157 source window (either source or disassembly), but both can be
158 displayed at the same time. */
159struct tui_list *
160tui_source_windows (void)
161{
162 return &source_windows;
163}
164
165
166/* Clear the list of source windows. Usually there is only one source
167 window (either source or disassembly), but both can be displayed at
168 the same time. */
169void
170tui_clear_source_windows (void)
171{
172 source_windows.list[0] = NULL((void*)0);
173 source_windows.list[1] = NULL((void*)0);
174 source_windows.count = 0;
175}
176
177
178/* Clear the pertinant detail in the source windows. */
179void
180tui_clear_source_windows_detail (void)
181{
182 int i;
183
184 for (i = 0; i < (tui_source_windows ())->count; i++)
185 tui_clear_win_detail ((struct tui_win_info *) (tui_source_windows ())->list[i]);
186}
187
188
189/* Add a window to the list of source windows. Usually there is only
190 one source window (either source or disassembly), but both can be
191 displayed at the same time. */
192void
193tui_add_to_source_windows (struct tui_win_info * win_info)
194{
195 if (source_windows.count < 2)
196 source_windows.list[source_windows.count++] = (void *) win_info;
197}
198
199
200/* Clear the pertinant detail in the windows. */
201void
202tui_clear_win_detail (struct tui_win_info * win_info)
203{
204 if (win_info != NULL((void*)0))
205 {
206 switch (win_info->generic.type)
207 {
208 case SRC_WIN:
209 case DISASSEM_WIN:
210 win_info->detail.source_info.start_line_or_addr.addr = 0;
211 win_info->detail.source_info.horizontal_offset = 0;
212 break;
213 case CMD_WIN:
214 win_info->detail.command_info.cur_line =
215 win_info->detail.command_info.curch = 0;
216 break;
217 case DATA_WIN:
218 win_info->detail.data_display_info.data_content =
219 (tui_win_content) NULL((void*)0);
220 win_info->detail.data_display_info.data_content_count = 0;
221 win_info->detail.data_display_info.regs_content =
222 (tui_win_content) NULL((void*)0);
223 win_info->detail.data_display_info.regs_content_count = 0;
224 win_info->detail.data_display_info.regs_display_type =
225 TUI_UNDEFINED_REGS;
226 win_info->detail.data_display_info.regs_column_count = 1;
227 win_info->detail.data_display_info.display_regs = FALSE0;
228 break;
229 default:
230 break;
231 }
232 }
233}
234
235
236/* Accessor for the source execution info ptr. */
237struct tui_gen_win_info *
238tui_source_exec_info_win_ptr (void)
239{
240 return &exec_info[0];
241}
242
243
244/* Accessor for the disassem execution info ptr. */
245struct tui_gen_win_info *
246tui_disassem_exec_info_win_ptr (void)
247{
248 return &exec_info[1];
249}
250
251
252/* Accessor for the locator win info. Answers a pointer to the static
253 locator win info struct. */
254struct tui_gen_win_info *
255tui_locator_win_info_ptr (void)
256{
257 return &_locator;
258}
259
260
261/* Accessor for the term_height. */
262int
263tui_term_height (void)
264{
265 return term_height;
266}
267
268
269/* Mutator for the term height. */
270void
271tui_set_term_height_to (int h)
272{
273 term_height = h;
274}
275
276
277/* Accessor for the term_width. */
278int
279tui_term_width (void)
280{
281 return term_width;
282}
283
284
285/* Mutator for the term_width. */
286void
287tui_set_term_width_to (int w)
288{
289 term_width = w;
290}
291
292
293/* Accessor for the current layout. */
294enum tui_layout_type
295tui_current_layout (void)
296{
297 return current_layout;
298}
299
300
301/* Mutator for the current layout. */
302void
303tui_set_current_layout_to (enum tui_layout_type new_layout)
304{
305 current_layout = new_layout;
306}
307
308
309/* Set the origin of the window. */
310void
311set_gen_win_origin (struct tui_gen_win_info * win_info, int x, int y)
312{
313 win_info->origin.x = x;
314 win_info->origin.y = y;
315}
316
317
318/*****************************
319** OTHER PUBLIC FUNCTIONS
320*****************************/
321
322
323/* Answer the next window in the list, cycling back to the top if
324 necessary. */
325struct tui_win_info *
326tui_next_win (struct tui_win_info * cur_win)
327{
328 enum tui_win_type type = cur_win->generic.type;
329 struct tui_win_info * next_win = (struct tui_win_info *) NULL((void*)0);
330
331 if (cur_win->generic.type == CMD_WIN)
332 type = SRC_WIN;
333 else
334 type = cur_win->generic.type + 1;
335 while (type != cur_win->generic.type && (next_win == NULL((void*)0)))
336 {
337 if (tui_win_list[type] && tui_win_list[type]->generic.is_visible)
338 next_win = tui_win_list[type];
339 else
340 {
341 if (type == CMD_WIN)
342 type = SRC_WIN;
343 else
344 type++;
345 }
346 }
347
348 return next_win;
349}
350
351
352/* Answer the prev window in the list, cycling back to the bottom if
353 necessary. */
354struct tui_win_info *
355tui_prev_win (struct tui_win_info * cur_win)
356{
357 enum tui_win_type type = cur_win->generic.type;
Value stored to 'type' during its initialization is never read
358 struct tui_win_info * prev = (struct tui_win_info *) NULL((void*)0);
359
360 if (cur_win->generic.type == SRC_WIN)
361 type = CMD_WIN;
362 else
363 type = cur_win->generic.type - 1;
364 while (type != cur_win->generic.type && (prev == NULL((void*)0)))
365 {
366 if (tui_win_list[type]->generic.is_visible)
367 prev = tui_win_list[type];
368 else
369 {
370 if (type == SRC_WIN)
371 type = CMD_WIN;
372 else
373 type--;
374 }
375 }
376
377 return prev;
378}
379
380
381/* Answer the window represented by name. */
382struct tui_win_info *
383tui_partial_win_by_name (char *name)
384{
385 struct tui_win_info * win_info = (struct tui_win_info *) NULL((void*)0);
386
387 if (name != (char *) NULL((void*)0))
388 {
389 int i = 0;
390
391 while (i < MAX_MAJOR_WINDOWS && win_info == NULL((void*)0))
392 {
393 if (tui_win_list[i] != 0)
394 {
395 char *cur_name = tui_win_name (&tui_win_list[i]->generic);
396 if (strlen (name) <= strlen (cur_name) &&
397 strncmp (name, cur_name, strlen (name)) == 0)
398 win_info = tui_win_list[i];
399 }
400 i++;
401 }
402 }
403
404 return win_info;
405}
406
407
408/* Answer the name of the window. */
409char *
410tui_win_name (struct tui_gen_win_info * win_info)
411{
412 char *name = (char *) NULL((void*)0);
413
414 switch (win_info->type)
415 {
416 case SRC_WIN:
417 name = SRC_NAME"SRC";
418 break;
419 case CMD_WIN:
420 name = CMD_NAME"CMD";
421 break;
422 case DISASSEM_WIN:
423 name = DISASSEM_NAME"ASM";
424 break;
425 case DATA_WIN:
426 name = DATA_NAME"REGS";
427 break;
428 default:
429 name = "";
430 break;
431 }
432
433 return name;
434}
435
436
437void
438tui_initialize_static_data (void)
439{
440 tui_init_generic_part (tui_source_exec_info_win_ptr ());
441 tui_init_generic_part (tui_disassem_exec_info_win_ptr ());
442 tui_init_generic_part (tui_locator_win_info_ptr ());
443}
444
445
446struct tui_gen_win_info *
447tui_alloc_generic_win_info (void)
448{
449 struct tui_gen_win_info * win;
450
451 if ((win = (struct tui_gen_win_info *) xmalloc (
452 sizeof (struct tui_gen_win_info *))) != (struct tui_gen_win_info *) NULL((void*)0))
453 tui_init_generic_part (win);
454
455 return win;
456}
457
458
459void
460tui_init_generic_part (struct tui_gen_win_info * win)
461{
462 win->width =
463 win->height =
464 win->origin.x =
465 win->origin.y =
466 win->viewport_height =
467 win->content_size =
468 win->last_visible_line = 0;
469 win->handle = (WINDOW *) NULL((void*)0);
470 win->content = NULL((void*)0);
471 win->content_in_use =
472 win->is_visible = FALSE0;
473 win->title = 0;
474}
475
476
477/*
478 ** init_content_element().
479 */
480void
481init_content_element (struct tui_win_element * element, enum tui_win_type type)
482{
483 element->highlight = FALSE0;
484 switch (type)
485 {
486 case SRC_WIN:
487 case DISASSEM_WIN:
488 element->which_element.source.line = (char *) NULL((void*)0);
489 element->which_element.source.line_or_addr.line_no = 0;
490 element->which_element.source.is_exec_point = FALSE0;
491 element->which_element.source.has_break = FALSE0;
492 break;
493 case DATA_WIN:
494 tui_init_generic_part (&element->which_element.data_window);
495 element->which_element.data_window.type = DATA_ITEM_WIN;
496 ((struct tui_gen_win_info *) & element->which_element.data_window)->content =
497 (void **) tui_alloc_content (1, DATA_ITEM_WIN);
498 ((struct tui_gen_win_info *)
499 & element->which_element.data_window)->content_size = 1;
500 break;
501 case CMD_WIN:
502 element->which_element.command.line = (char *) NULL((void*)0);
503 break;
504 case DATA_ITEM_WIN:
505 element->which_element.data.name = (char *) NULL((void*)0);
506 element->which_element.data.type = TUI_REGISTER;
507 element->which_element.data.item_no = UNDEFINED_ITEM-1;
508 element->which_element.data.value = NULL((void*)0);
509 element->which_element.data.highlight = FALSE0;
510 element->which_element.data.content = (char*) NULL((void*)0);
511 break;
512 case LOCATOR_WIN:
513 element->which_element.locator.file_name[0] =
514 element->which_element.locator.proc_name[0] = (char) 0;
515 element->which_element.locator.line_no = 0;
516 element->which_element.locator.addr = 0;
517 break;
518 case EXEC_INFO_WIN:
519 memset(element->which_element.simple_string, ' ',
520 sizeof(element->which_element.simple_string));
521 break;
522 default:
523 break;
524 }
525}
526
527void
528init_win_info (struct tui_win_info * win_info)
529{
530 tui_init_generic_part (&win_info->generic);
531 win_info->can_highlight =
532 win_info->is_highlighted = FALSE0;
533 switch (win_info->generic.type)
534 {
535 case SRC_WIN:
536 case DISASSEM_WIN:
537 win_info->detail.source_info.execution_info = (struct tui_gen_win_info *) NULL((void*)0);
538 win_info->detail.source_info.has_locator = FALSE0;
539 win_info->detail.source_info.horizontal_offset = 0;
540 win_info->detail.source_info.start_line_or_addr.addr = 0;
541 win_info->detail.source_info.filename = 0;
542 break;
543 case DATA_WIN:
544 win_info->detail.data_display_info.data_content = (tui_win_content) NULL((void*)0);
545 win_info->detail.data_display_info.data_content_count = 0;
546 win_info->detail.data_display_info.regs_content = (tui_win_content) NULL((void*)0);
547 win_info->detail.data_display_info.regs_content_count = 0;
548 win_info->detail.data_display_info.regs_display_type =
549 TUI_UNDEFINED_REGS;
550 win_info->detail.data_display_info.regs_column_count = 1;
551 win_info->detail.data_display_info.display_regs = FALSE0;
552 win_info->detail.data_display_info.current_group = 0;
553 break;
554 case CMD_WIN:
555 win_info->detail.command_info.cur_line = 0;
556 win_info->detail.command_info.curch = 0;
557 break;
558 default:
559 win_info->detail.opaque = NULL((void*)0);
560 break;
561 }
562}
563
564
565struct tui_win_info *
566tui_alloc_win_info (enum tui_win_type type)
567{
568 struct tui_win_info * win_info = (struct tui_win_info *) NULL((void*)0);
569
570 win_info = (struct tui_win_info *) xmalloc (sizeof (struct tui_win_info));
571 if ((win_info != NULL((void*)0)))
572 {
573 win_info->generic.type = type;
574 init_win_info (win_info);
575 }
576
577 return win_info;
578}
579
580
581/* Allocates the content and elements in a block. */
582tui_win_content
583tui_alloc_content (int num_elements, enum tui_win_type type)
584{
585 tui_win_content content = (tui_win_content) NULL((void*)0);
586 char *element_block_ptr = (char *) NULL((void*)0);
587 int i;
588
589 if ((content = (tui_win_content)
590 xmalloc (sizeof (struct tui_win_element *) * num_elements)) != (tui_win_content) NULL((void*)0))
591 { /*
592 ** All windows, except the data window, can allocate the elements
593 ** in a chunk. The data window cannot because items can be
594 ** added/removed from the data display by the user at any time.
595 */
596 if (type != DATA_WIN)
597 {
598 if ((element_block_ptr = (char *)
599 xmalloc (sizeof (struct tui_win_element) * num_elements)) != (char *) NULL((void*)0))
600 {
601 for (i = 0; i < num_elements; i++)
602 {
603 content[i] = (struct tui_win_element *) element_block_ptr;
604 init_content_element (content[i], type);
605 element_block_ptr += sizeof (struct tui_win_element);
606 }
607 }
608 else
609 {
610 xfree (content);
611 content = (tui_win_content) NULL((void*)0);
612 }
613 }
614 }
615
616 return content;
617}
618
619
620/* Adds the input number of elements to the windows's content. If no
621 content has been allocated yet, alloc_content() is called to do
622 this. The index of the first element added is returned, unless
623 there is a memory allocation error, in which case, (-1) is
624 returned. */
625int
626tui_add_content_elements (struct tui_gen_win_info * win_info, int num_elements)
627{
628 struct tui_win_element * element_ptr;
629 int i, index_start;
630
631 if (win_info->content == NULL((void*)0))
632 {
633 win_info->content = (void **) tui_alloc_content (num_elements, win_info->type);
634 index_start = 0;
635 }
636 else
637 index_start = win_info->content_size;
638 if (win_info->content != NULL((void*)0))
639 {
640 for (i = index_start; (i < num_elements + index_start); i++)
641 {
642 if ((element_ptr = (struct tui_win_element *)
643 xmalloc (sizeof (struct tui_win_element))) != (struct tui_win_element *) NULL((void*)0))
644 {
645 win_info->content[i] = (void *) element_ptr;
646 init_content_element (element_ptr, win_info->type);
647 win_info->content_size++;
648 }
649 else /* things must be really hosed now! We ran out of memory!? */
650 return (-1);
651 }
652 }
653
654 return index_start;
655}
656
657
658/* Delete all curses windows associated with win_info, leaving everything
659 else intact. */
660void
661tui_del_window (struct tui_win_info * win_info)
662{
663 struct tui_gen_win_info * generic_win;
664
665 switch (win_info->generic.type)
666 {
667 case SRC_WIN:
668 case DISASSEM_WIN:
669 generic_win = tui_locator_win_info_ptr ();
670 if (generic_win != (struct tui_gen_win_info *) NULL((void*)0))
671 {
672 tui_delete_win (generic_win->handle);
673 generic_win->handle = (WINDOW *) NULL((void*)0);
674 generic_win->is_visible = FALSE0;
675 }
676 if (win_info->detail.source_info.filename)
677 {
678 xfree (win_info->detail.source_info.filename);
679 win_info->detail.source_info.filename = 0;
680 }
681 generic_win = win_info->detail.source_info.execution_info;
682 if (generic_win != (struct tui_gen_win_info *) NULL((void*)0))
683 {
684 tui_delete_win (generic_win->handle);
685 generic_win->handle = (WINDOW *) NULL((void*)0);
686 generic_win->is_visible = FALSE0;
687 }
688 break;
689 case DATA_WIN:
690 if (win_info->generic.content != NULL((void*)0))
691 {
692 tui_del_data_windows (win_info->detail.data_display_info.regs_content,
693 win_info->detail.data_display_info.regs_content_count);
694 tui_del_data_windows (win_info->detail.data_display_info.data_content,
695 win_info->detail.data_display_info.data_content_count);
696 }
697 break;
698 default:
699 break;
700 }
701 if (win_info->generic.handle != (WINDOW *) NULL((void*)0))
702 {
703 tui_delete_win (win_info->generic.handle);
704 win_info->generic.handle = (WINDOW *) NULL((void*)0);
705 win_info->generic.is_visible = FALSE0;
706 }
707}
708
709
710void
711tui_free_window (struct tui_win_info * win_info)
712{
713 struct tui_gen_win_info * generic_win;
714
715 switch (win_info->generic.type)
716 {
717 case SRC_WIN:
718 case DISASSEM_WIN:
719 generic_win = tui_locator_win_info_ptr ();
720 if (generic_win != (struct tui_gen_win_info *) NULL((void*)0))
721 {
722 tui_delete_win (generic_win->handle);
723 generic_win->handle = (WINDOW *) NULL((void*)0);
724 }
725 tui_free_win_content (generic_win);
726 if (win_info->detail.source_info.filename)
727 {
728 xfree (win_info->detail.source_info.filename);
729 win_info->detail.source_info.filename = 0;
730 }
731 generic_win = win_info->detail.source_info.execution_info;
732 if (generic_win != (struct tui_gen_win_info *) NULL((void*)0))
733 {
734 tui_delete_win (generic_win->handle);
735 generic_win->handle = (WINDOW *) NULL((void*)0);
736 tui_free_win_content (generic_win);
737 }
738 break;
739 case DATA_WIN:
740 if (win_info->generic.content != NULL((void*)0))
741 {
742 tui_free_data_content (win_info->detail.data_display_info.regs_content,
743 win_info->detail.data_display_info.regs_content_count);
744 win_info->detail.data_display_info.regs_content =
745 (tui_win_content) NULL((void*)0);
746 win_info->detail.data_display_info.regs_content_count = 0;
747 tui_free_data_content (win_info->detail.data_display_info.data_content,
748 win_info->detail.data_display_info.data_content_count);
749 win_info->detail.data_display_info.data_content =
750 (tui_win_content) NULL((void*)0);
751 win_info->detail.data_display_info.data_content_count = 0;
752 win_info->detail.data_display_info.regs_display_type =
753 TUI_UNDEFINED_REGS;
754 win_info->detail.data_display_info.regs_column_count = 1;
755 win_info->detail.data_display_info.display_regs = FALSE0;
756 win_info->generic.content = NULL((void*)0);
757 win_info->generic.content_size = 0;
758 }
759 break;
760 default:
761 break;
762 }
763 if (win_info->generic.handle != (WINDOW *) NULL((void*)0))
764 {
765 tui_delete_win (win_info->generic.handle);
766 win_info->generic.handle = (WINDOW *) NULL((void*)0);
767 tui_free_win_content (&win_info->generic);
768 }
769 if (win_info->generic.title)
770 xfree (win_info->generic.title);
771 xfree (win_info);
772}
773
774
775void
776tui_free_all_source_wins_content (void)
777{
778 int i;
779
780 for (i = 0; i < (tui_source_windows ())->count; i++)
781 {
782 struct tui_win_info * win_info = (struct tui_win_info *) (tui_source_windows ())->list[i];
783
784 if (win_info != NULL((void*)0))
785 {
786 tui_free_win_content (&(win_info->generic));
787 tui_free_win_content (win_info->detail.source_info.execution_info);
788 }
789 }
790}
791
792
793void
794tui_free_win_content (struct tui_gen_win_info * win_info)
795{
796 if (win_info->content != NULL((void*)0))
797 {
798 free_content ((tui_win_content) win_info->content,
799 win_info->content_size,
800 win_info->type);
801 win_info->content = NULL((void*)0);
802 }
803 win_info->content_size = 0;
804}
805
806
807void
808tui_del_data_windows (tui_win_content content, int content_size)
809{
810 int i;
811
812 /*
813 ** Remember that data window content elements are of type struct tui_gen_win_info *,
814 ** each of which whose single element is a data element.
815 */
816 for (i = 0; i < content_size; i++)
817 {
818 struct tui_gen_win_info * generic_win = &content[i]->which_element.data_window;
819
820 if (generic_win != (struct tui_gen_win_info *) NULL((void*)0))
821 {
822 tui_delete_win (generic_win->handle);
823 generic_win->handle = (WINDOW *) NULL((void*)0);
824 generic_win->is_visible = FALSE0;
825 }
826 }
827}
828
829
830void
831tui_free_data_content (tui_win_content content, int content_size)
832{
833 int i;
834
835 /*
836 ** Remember that data window content elements are of type struct tui_gen_win_info *,
837 ** each of which whose single element is a data element.
838 */
839 for (i = 0; i < content_size; i++)
840 {
841 struct tui_gen_win_info * generic_win = &content[i]->which_element.data_window;
842
843 if (generic_win != (struct tui_gen_win_info *) NULL((void*)0))
844 {
845 tui_delete_win (generic_win->handle);
846 generic_win->handle = (WINDOW *) NULL((void*)0);
847 tui_free_win_content (generic_win);
848 }
849 }
850 free_content (content,
851 content_size,
852 DATA_WIN);
853}
854
855
856/**********************************
857** LOCAL STATIC FUNCTIONS **
858**********************************/
859
860
861static void
862free_content (tui_win_content content, int content_size, enum tui_win_type win_type)
863{
864 if (content != (tui_win_content) NULL((void*)0))
865 {
866 free_content_elements (content, content_size, win_type);
867 xfree (content);
868 }
869}
870
871
872/*
873 ** free_content_elements().
874 */
875static void
876free_content_elements (tui_win_content content, int content_size, enum tui_win_type type)
877{
878 if (content != (tui_win_content) NULL((void*)0))
879 {
880 int i;
881
882 if (type == SRC_WIN || type == DISASSEM_WIN)
883 {
884 /* free whole source block */
885 xfree (content[0]->which_element.source.line);
886 }
887 else
888 {
889 for (i = 0; i < content_size; i++)
890 {
891 struct tui_win_element * element;
892
893 element = content[i];
894 if (element != (struct tui_win_element *) NULL((void*)0))
895 {
896 switch (type)
897 {
898 case DATA_WIN:
899 xfree (element);
900 break;
901 case DATA_ITEM_WIN:
902 /*
903 ** Note that data elements are not allocated
904 ** in a single block, but individually, as needed.
905 */
906 if (element->which_element.data.type != TUI_REGISTER)
907 xfree ((void *)element->which_element.data.name);
908 xfree (element->which_element.data.value);
909 xfree (element->which_element.data.content);
910 xfree (element);
911 break;
912 case CMD_WIN:
913 xfree (element->which_element.command.line);
914 break;
915 default:
916 break;
917 }
918 }
919 }
920 }
921 if (type != DATA_WIN && type != DATA_ITEM_WIN)
922 xfree (content[0]); /* free the element block */
923 }
924}