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Merge pull request #291 from qmfrederik/fixes/nsdata-base64-empty-string

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`[NSData initWithBase64EncodedString]`: Fix decoding of an empty string
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rfm 2023-04-07 15:29:22 +01:00 • committed by GitHub
commit 96a8613dbc
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2 changed files with 13 additions and 0 deletions
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7
Source/NSData.m
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@ -804,6 +804,13 @@ failure:
} }
} }
length = dst - result; length = dst - result;
if (length == 0)
{
NSZoneFree(zone, result);
return [self initWithBytesNoCopy: 0 length: 0 freeWhenDone: YES];
}
if (options & NSDataBase64DecodingIgnoreUnknownCharacters) if (options & NSDataBase64DecodingIgnoreUnknownCharacters)
{ {
/* If the decoded length is a lot shorter than expected (because we /* If the decoded length is a lot shorter than expected (because we

6
Tests/base/NSData/base64.m
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@ -127,6 +127,12 @@ int main()
PASS_EQUAL(data, ref, "base64 decoding Yml0bWFya2V0cyB1c2VyIGluZGVudGl0eQ==") PASS_EQUAL(data, ref, "base64 decoding Yml0bWFya2V0cyB1c2VyIGluZGVudGl0eQ==")
[data release]; [data release];
data = [[NSData alloc] initWithBase64EncodedString: @"\n"
options: NSDataBase64DecodingIgnoreUnknownCharacters];
ref = [NSData dataWithBytes: "" length: 0];
PASS_EQUAL(data, ref, "base64 decoding empty string")
[data release];
[arp release]; arp = nil; [arp release]; arp = nil;
return 0; return 0;
} }