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fixup conversion to 7bit-safe

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@39842 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 2016-06-07 07:12:25 +00:00
parent 0adeacda9a
commit 48ab2e60e0
1 changed files with 22 additions and 11 deletions
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33
Source/Additions/GSMime.m
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@ -5734,19 +5734,30 @@ appendString(NSMutableData *m, NSUInteger offset, NSUInteger fold,
GSMimeHeader *h = [self headerNamed: @"content-transfer-encoding"];
NSString *v = [h value];
if ([v isEqual: @"binary"] == YES || [v isEqual: @"8bit"] == YES)
if (nil == h
|| YES == [v isEqualToString: @"binary"]
|| YES == [v isEqualToString: @"8bit"])
{
h = [self headerNamed: @"content-type"];
v = [h value];
NSString *t = [[doc headerNamed @"content-type"] value]
if ([v hasPrefix: @"text/"])
{
[h setValue: @"quoted-printable"];
}
else
{
[h setValue: @"base64"];
}
if (YES == [t hasPrefix: @"text/"])
{
t = @"quoted-printable";
}
else
{
t = @"base64";
}
if (nil == h)
{
[doc setHeader: @"Content-Transfer-Encoding"
value: t
parameters: nil];
}
else
{
[h setValue: t];
}
}
}
}