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Base 64 encoding fix

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@13915 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-Macdonald 2002-06-18 13:27:33 +00:00
parent 829014482f
commit be921624e4
2 changed files with 9 additions and 9 deletions
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1
ChangeLog
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@ -4,6 +4,7 @@
Check user, password, host, port parts for illegal characters.
Thanks to bug report by Marco Manfredini <mldb@gmx.org>
* Source/GSMime.m: add convenience method for setting document type.
Fix error in recent change to base64 encoding.
2002-06-17 Richard Frith-Macdonald <rfm@gnu.org>

17
Source/Additions/GSMime.m
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@ -2887,15 +2887,14 @@ static NSCharacterSet *tokenSet = nil;
for (sIndex = 0; sIndex < length; sIndex += 3)
{
dBuf[dIndex] = b64[sBuf[sIndex] >> 2];
dBuf[dIndex + 1]
= b64[((sBuf[sIndex] << 4) & 060)
| ((sBuf[sIndex + 1] >> 4) & 017)];
dBuf[dIndex + 2]
= b64[((sBuf[sIndex + 1] << 2) & 074)
| ((sBuf[sIndex + 2] >> 6) & 03)];
dBuf[dIndex + 3] = b64[sBuf[sIndex + 2] & 077];
dIndex += 3;
int c0 = sBuf[sIndex];
int c1 = sBuf[sIndex+1];
int c2 = sBuf[sIndex+2];
dBuf[dIndex++] = b64[(c0 >> 2) & 077];
dBuf[dIndex++] = b64[((c0 << 4) & 060) | ((c1 >> 4) & 017)];
dBuf[dIndex++] = b64[((c1 << 2) & 074) | ((c2 >> 6) & 03)];
dBuf[dIndex++] = b64[c2 & 077];
}
/* If len was not a multiple of 3, then we have encoded too