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Fix bug in abstract implementation by calling method of concrete class.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@23264 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
rfm 2006-08-12 17:00:32 +00:00
parent ef89bc2679
commit b109605b16
2 changed files with 15 additions and 40 deletions
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51
Source/NSString.m
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@ -2603,47 +2603,18 @@ handle_printf_atsign (FILE *stream,
range: (NSRange)aRange
remainingRange: (NSRange*)leftoverRange
{
unsigned len;
unsigned count;
unichar (*caiImp)(NSString*, SEL, unsigned int);
NSString *s;
len = [self cStringLength];
GS_RANGE_CHECK(aRange, len);
caiImp = (unichar (*)())[self methodForSelector: caiSel];
if (maxLength < aRange.length)
{
len = maxLength;
if (leftoverRange)
{
leftoverRange->location = 0;
leftoverRange->length = 0;
}
}
else
{
len = aRange.length;
if (leftoverRange)
{
leftoverRange->location = aRange.location + maxLength;
leftoverRange->length = aRange.length - maxLength;
}
}
count = 0;
while (count < len)
{
buffer[count] = encode_unitochar(
(*caiImp)(self, caiSel, aRange.location + count),
_DefaultStringEncoding);
if (buffer[count] == 0)
{
[NSException raise: NSCharacterConversionException
format: @"unable to convert to cString"];
}
count++;
}
buffer[len] = '\0';
/* As this is a deprecated method, keep things simple (but inefficient)
* by copying the receiver to a new instance of a base library built-in
* class, and use the implementation provided by that class.
* We need an autorelease to avoid a memory leak if there is an exception.
*/
s = AUTORELEASE([(NSString*)defaultPlaceholderString initWithString: self]);
[s getCString: buffer
maxLength: maxLength
range: aRange
remainingRange: leftoverRange];
}