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Aim to improve compatibility with old/buggy parsers.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@39395 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 2016-02-18 15:52:00 +00:00
parent e27363d97d
commit 3db4287285
2 changed files with 16 additions and 3 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2016-02-18 Richard Frith-Macdonald <rfm@gnu.org>
* Source/Additions/GSMime.m:
Fold using tabs between key=value tokens in structured headers
in the hope that it will improve compatibility with code which
doesn't cope well with a space as the folding character.
2016-02-15 Richard Frith-Macdonald <rfm@gnu.org>
* Source/NSFileManager.m: Use NSDebugLog for most debug warnings

12
Source/Additions/GSMime.m
View file

@ -3845,7 +3845,7 @@ appendBytes(NSMutableData *m, NSUInteger offset, NSUInteger fold,
uint8_t wsp;
uint8_t buf[3];
/* Modern folding preserved exact whitespace characters.
/* Modern folding preserves exact whitespace characters.
*/
if (size > 0 && isWSP(bytes[0]))
{
@ -4289,10 +4289,13 @@ appendString(NSMutableData *m, NSUInteger offset, NSUInteger fold,
/* Crude heuristic ...
* if the length of the key=value will definitely be
* too long to fit on a line, fold right now.
* Since we are producing a key=value pair in a structured
* field, we use a tab to fold to maximise the chances of a
* parser understanding it.
*/
if (fold > 0 && offset + kLength + vLength + 1 >= fold)
{
[md appendBytes: "\r\n " length: 3];
[md appendBytes: "\r\n\t" length: 3];
offset = 1;
}
else
@ -4310,10 +4313,13 @@ appendString(NSMutableData *m, NSUInteger offset, NSUInteger fold,
/* Crude heuristic ... if the length of the value will definitely be
* too long to fit on a line, fold right now.
* Since we are producing a key=value pair in a structured
* field, we use a tab to fold to maximise the chances of a
* parser understanding it.
*/
if (fold > 0 && offset + vLength > fold)
{
[md appendBytes: "\r\n " length: 3];
[md appendBytes: "\r\n\t" length: 3];
offset = 1;
}
offset = appendString(md, offset, fold, v, &ok);