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[bug #6437] CRITICAL: Segmentation fault when renaming outlet...
From: |
nobody |
Subject: |
[bug #6437] CRITICAL: Segmentation fault when renaming outlet... |
Date: |
Sat, 08 Nov 2003 17:28:07 -0500 |
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Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 |
=================== BUG #6437: FULL BUG SNAPSHOT ===================
http://savannah.gnu.org/bugs/?func=detailbug&bug_id=6437&group_id=99
Submitted by: gcasa Project: GNUstep
Submitted on: Sat 11/08/2003 at 17:28
Category: Gorm Severity: 5 - Major
Bug Group: Bug Resolution: None
Assigned to: gcasa Status: Open
Summary: CRITICAL: Segmentation fault when renaming outlet...
Original Submission: Here is the original message sent to the list...
-------------------------------------------------
Hi,
Gorm died with segmentation fault, when I;
1. Document->New Application...
2. Select Classes in document(?) window
3. Select NSObject and Classes->Create Subclass...
4. Rename NewClass to Controller
5. Press plug like button to prepare adding outlet
6. Classes->Add Outlet/Action
7. Rename newOutlet to inputCurrencyField and [Enter]
8. Classes->Add Outlet/Action
9. Rename newOutlet to currencyRateField and [Enter]
10. Kaboom!!!
Doing some debugging shows me following info:
Program received signal SIGSEGV, Segmentation fault.
0x406330d5 in objc_msg_lookup (receiver=0x85736f8, op=0x4057e148)
at sendmsg.c:193
193 result = sarray_get_safe
(receiver->class_pointer->dtable,
Current language: auto; currently c
And following backtrace:
#0 0x406330d5 in objc_msg_lookup (receiver=0x85736f8, op=0x4057e148)
at sendmsg.c:193
#1 0x403fa510 in rangeOfCharacter_c (self=0x82179a0, aSet=0x85736f8,
mask=0,
aRange={location = 0, length = 17}) at GSString.m:1636
#2 0x403f128d in -[GSCString rangeOfCharacterFromSet:options:range:] (
self=0x82179a0, _cmd=0x405a00e0, aSet=0x85736f8, mask=0, aRange=
{location = 0, length = 17}) at GSString.m:2130
#3 0x404afd22 in -[NSString rangeOfCharacterFromSet:] (self=0x82179a0,
_cmd=0x80f29b8, aSet=0x85736f8) at NSString.m:1586
#4 0x08065741 in -[GormDocument _identifierString:] (self=0x84bb848,
_cmd=0x80f2a10, str=0x82179a0) at GormDocument.m:3053
#5 0x080659cf in -[GormDocument _formatOutlet:] (self=0x84bb848,
_cmd=0x80f2cf8, outlet=0x82179a0) at GormDocument.m:3082
#6 0x08067049 in -[GormDocument
outlineView:setObjectValue:forTableColumn:byItem:] (self=0x84bb848,
_cmd=0x40318878, anOutlineView=0x84b3a40,
anObject=0x82179a0, aTableColumn=0x84f3f58, item=0x848d6e0)
at GormDocument.m:3311
#7 0x4017e93b in -[NSOutlineView _setObjectValue:forTableColumn:row:]
(
self=0x84b3a40, _cmd=0x4032f318, value=0x82179a0, tb=0x84f3f58,
index=13)
at NSOutlineView.m:1277
#8 0x401eace6 in -[NSTableView validateEditing] (self=0x84b3a40,
_cmd=0x4032fa28) at NSTableView.m:3980
#9 0x401f0f58 in -[NSTableView textDidEndEditing:] (self=0x84b3a40,
_cmd=0x40344f18, aNotification=0x822fb10) at NSTableView.m:5640
...
I found that the "illegal" and "numeric" in _identifierString: of
GormDocument.m
is responsible for this. First time they created and run correctly and
next
time they are released (and marked class_pointer as 0xdeadface) but
the object
pointer itself is not nil and make segmentation fault in
rangeOfCharact...
method. Easy fix is make static variables "illegal" and "numeric" as
non static
and create everytime.(But this is less efficient and because of this
original
code use static variables, right? For me static global variable or
retained static
variable is more efficient solution, but... :-)
Hope this info. can help and thanks in advance.
------------------------------------------------
Will fix this ASAP.
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http://savannah.gnu.org/bugs/?func=detailbug&bug_id=6437&group_id=99
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