/usr/include/thunderbird/mimepbuf.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _MIMEPBUF_H_
#define _MIMEPBUF_H_
#include "mimei.h"
#include "modmimee.h" // for MimeConverterOutputCallback
/* This file provides the ability to save up the entire contents of a MIME
object (of arbitrary size), and then emit it all at once later. The
buffering is done in an efficient way that works well for both very large
and very small objects.
This is used in two places:
= The implementation of multipart/alternative uses this code to do a
one-part-lookahead. As it traverses its children, it moves forward
until it finds a part which cannot be displayed; and then it displays
the *previous* part (the last which *could* be displayed.) This code
is used to hold the previous part until it is needed.
*/
/* An opaque object used to represent the buffered data.
*/
typedef struct MimePartBufferData MimePartBufferData;
/* Create an empty part buffer object.
*/
extern MimePartBufferData *MimePartBufferCreate (void);
/* Assert that the buffer is now full (EOF has been reached on the current
part.) This will free some resources, but leaves the part in the buffer.
After calling MimePartBufferReset, the buffer may be used to store a
different object.
*/
void MimePartBufferClose (MimePartBufferData *data);
/* Reset a part buffer object to the default state, discarding any currently-
buffered data.
*/
extern void MimePartBufferReset (MimePartBufferData *data);
/* Free the part buffer itself, and discard any buffered data.
*/
extern void MimePartBufferDestroy (MimePartBufferData *data);
/* Push a chunk of a MIME object into the buffer.
*/
extern int MimePartBufferWrite (MimePartBufferData *data,
const char *buf, int32_t size);
/* Read the contents of the buffer back out. This will invoke the provided
read_fn with successive chunks of data until the buffer has been drained.
The provided function may be called once, or multiple times.
*/
extern int
MimePartBufferRead (MimePartBufferData *data,
MimeConverterOutputCallback read_fn,
void *closure);
#endif /* _MIMEPBUF_H_ */
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