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[ChangeLog]

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When decoding, always allow newlines in input, with almost no
performance impact.
* src/base64.c (do_decode): Initialize decode context.
Call base64_decode one more time, after all input is processed.
(usage): When decoding, newlines are always accepted.

* tests/misc/base64: Add a bunch of tests, for the above.
* gl/lib/base64.c: Include <string.h>.
(base64_decode_ctx_init, get_4, decode_4): New functions.
(base64_decode): Efficiently handle interspersed newlines.
(base64_decode_alloc): Update signature.
* gl/lib/base64.h (struct base64_decode_context): Define.
(base64_decode_ctx_init): Add prototype.
(base64_decode, base64_decode_alloc): Update prototypes.
[doc/ChangeLog]
* coreutils.texi (base64 invocation): When decoding, newlines
are always accepted.
This commit is contained in:
Jim Meyering
2007-01-04 11:52:52 +01:00
parent 99d9e13b9c
commit 3b933f1e33
7 changed files with 341 additions and 91 deletions
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doc/ChangeLog
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@@ -1,3 +1,8 @@
2007-01-04 Jim Meyering <jim@meyering.net>
* coreutils.texi (base64 invocation): When decoding, newlines
are always accepted.
2007-01-03 Jim Meyering <jim@meyering.net>
Document what the ".0" in e.g., "-k 2,3.0" means, and...

3
doc/coreutils.texi
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@@ -1849,7 +1849,8 @@ output will be the original data.
@opindex -i
@opindex --ignore-garbage
@cindex Ignore garbage in base64 stream
During decoding, ignore unrecognized characters (including newline),
When decoding, newlines are always accepted.
During decoding, ignore unrecognized bytes,
to permit distorted data to be decoded.
@end table