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Make sure we don't crash while trying to parse a command line argument

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as being a property list


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@10782 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Nicola Pero 2001-08-24 11:36:40 +00:00
parent 86122e9e29
commit 6f49358214
1 changed files with 26 additions and 3 deletions
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29
Source/NSUserDefaults.m
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@ -1155,11 +1155,34 @@ static NSString *pathForUser(NSString *user)
}
else
{ // Real parameter
val = [val propertyList];
[argDict setObject: val forKey: key];
/* Parsing the argument as a property list is very
delicate. We *MUST NOT* crash here just because a
strange parameter (such as `(load "test.scm")`) is
passed, otherwise the whole library is useless in a
foreign environment. */
NSObject *plist_val;
NS_DURING
{
plist_val = [val propertyList];
}
NS_HANDLER
{
plist_val = val;
}
NS_ENDHANDLER
/* Make sure we don't crash being caught adding nil to
a dictionary. */
if (plist_val == nil)
{
plist_val = val;
}
[argDict setObject: plist_val forKey: key];
if (old != nil)
{
[argDict setObject: val forKey: old];
[argDict setObject: plist_val forKey: old];
}
}
}