/usr/include/mailutils/opool.h is in libmailutils-dev 1:2.99.99-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | /* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2008-2012, 2014-2015 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef _MAILUTILS_OPOOL_H
#define _MAILUTILS_OPOOL_H
#include <mailutils/types.h>
#ifndef MU_OPOOL_BUCKET_SIZE
# define MU_OPOOL_BUCKET_SIZE 1024
#endif
/* Create an object pool. If MEMERR is not 0, any operation of the
resulting pool (including mu_opool_create itself) will abort on
not enough memory condition, using mu_alloc_die. */
int mu_opool_create (mu_opool_t *pret, int memerr);
int mu_opool_set_bucket_size (mu_opool_t opool, size_t size);
int mu_opool_get_bucket_size (mu_opool_t opool, size_t *psize);
/* Merge all data from *SRC into *DST. If the latter is NULL, create
it. On success, free *SRC and initialize it with NULL. */
int mu_opool_union (mu_opool_t *dst, mu_opool_t *src);
/* Clear all data from the pool, so next mu_opool_append* call will
begin a new object. */
void mu_opool_clear (mu_opool_t opool);
/* Destroy the pool, reclaim any memory associated with it. */
void mu_opool_destroy (mu_opool_t *popool);
/* Allocate SIZE bytes in the pool. */
int mu_opool_alloc (mu_opool_t opool, size_t size);
/* Append to the current object N bytes pointed to by STR. */
int mu_opool_append (mu_opool_t opool, const void *str, size_t n);
/* Append to the current object a nul-terminated string STR. */
int mu_opool_appendz (mu_opool_t opool, const char *str);
/* Append a single byte C to the current object. */
int mu_opool_append_char (mu_opool_t opool, char c);
/* Return size of the current object in the pool. */
size_t mu_opool_size (mu_opool_t opool);
/* Coalesce all data collected so far (by using mu_opool_append* calls)
into a single contiguous memory chunk. Return the size of the resulting
object in *PSIZE, unless PSIZE==NULL. Return 0 on success, error code on
failure (unless the pool was created with `memerr' option, see
mu_opool_create, above). */
int mu_opool_coalesce (mu_opool_t opool, size_t *psize);
/* Copy at most SIZE bytes of collected data into BUF. Return the
actual number of bytes copied. */
size_t mu_opool_copy (mu_opool_t opool, void *buf, size_t size);
/* Return the pointer to the current object head chunk. If mu_opool_coalesce
was called before, the returned value points to the entire object.
If PSIZE is not NULL, store the size of the head chunk to *PSIZE. */
void *mu_opool_head (mu_opool_t opool, size_t *psize);
/* Finish building the object. Equivalent to:
mu_opool_coalesce (opool, NULL);
p = mu_opool_head (opool, psize);
mu_opool_clear (opool);
return p; */
void *mu_opool_finish (mu_opool_t opool, size_t *psize);
int mu_opool_get_iterator (mu_opool_t opool, mu_iterator_t *piterator);
#endif
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