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https://github.com/netsurf-browser/netsurf
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Update to last LGPL2+ version of talloc.
svn path=/trunk/netsurf/; revision=4528
This commit is contained in:
John Mark Bell
parent
e7c5e16b9b
commit
c02fcf5bc2
1066
utils/talloc.c
1066
utils/talloc.c
File diff suppressed because it is too large
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168
utils/talloc.h
168
utils/talloc.h
@ -5,23 +5,30 @@
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Samba temporary memory allocation functions
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Copyright (C) Andrew Tridgell 2004-2005
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Copyright (C) Stefan Metzmacher 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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** NOTE! The following LGPL license applies to the talloc
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** library. This does NOT imply that all of Samba is released
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** under the LGPL
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This program is distributed in the hope that it will be useful,
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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/* this is only needed for compatibility with the old talloc */
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typedef void TALLOC_CTX;
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@ -29,53 +36,17 @@ typedef void TALLOC_CTX;
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/*
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this uses a little trick to allow __LINE__ to be stringified
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*/
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#define _STRING_LINE_(s) #s
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#define _STRING_LINE2_(s) _STRING_LINE_(s)
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#define __LINESTR__ _STRING_LINE2_(__LINE__)
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#define __location__ __FILE__ ":" __LINESTR__
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#ifndef __location__
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#define __TALLOC_STRING_LINE1__(s) #s
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#define __TALLOC_STRING_LINE2__(s) __TALLOC_STRING_LINE1__(s)
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#define __TALLOC_STRING_LINE3__ __TALLOC_STRING_LINE2__(__LINE__)
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#define __location__ __FILE__ ":" __TALLOC_STRING_LINE3__
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#endif
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#ifndef TALLOC_DEPRECATED
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#define TALLOC_DEPRECATED 0
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#endif
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/* useful macros for creating type checked pointers */
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#define talloc(ctx, type) (type *)talloc_named_const(ctx, sizeof(type), #type)
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#define talloc_size(ctx, size) talloc_named_const(ctx, size, __location__)
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#define talloc_new(ctx) talloc_named_const(ctx, 0, "talloc_new: " __location__)
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#define talloc_zero(ctx, type) (type *)_talloc_zero(ctx, sizeof(type), #type)
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#define talloc_zero_size(ctx, size) _talloc_zero(ctx, size, __location__)
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#define talloc_zero_array(ctx, type, count) (type *)_talloc_zero_array(ctx, sizeof(type), count, #type)
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#define talloc_array(ctx, type, count) (type *)_talloc_array(ctx, sizeof(type), count, #type)
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#define talloc_array_size(ctx, size, count) _talloc_array(ctx, size, count, __location__)
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#define talloc_realloc(ctx, p, type, count) (type *)_talloc_realloc_array(ctx, p, sizeof(type), count, #type)
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#define talloc_realloc_size(ctx, ptr, size) _talloc_realloc(ctx, ptr, size, __location__)
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#define talloc_memdup(t, p, size) _talloc_memdup(t, p, size, __location__)
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#define malloc_p(type) (type *)malloc(sizeof(type))
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#define malloc_array_p(type, count) (type *)realloc_array(NULL, sizeof(type), count)
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#define realloc_p(p, type, count) (type *)realloc_array(p, sizeof(type), count)
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#define data_blob(ptr, size) data_blob_named(ptr, size, "DATA_BLOB: "__location__)
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#define data_blob_talloc(ctx, ptr, size) data_blob_talloc_named(ctx, ptr, size, "DATA_BLOB: "__location__)
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#define data_blob_dup_talloc(ctx, blob) data_blob_talloc_named(ctx, (blob)->data, (blob)->length, "DATA_BLOB: "__location__)
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#define talloc_set_type(ptr, type) talloc_set_name_const(ptr, #type)
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#define talloc_get_type(ptr, type) (type *)talloc_check_name(ptr, #type)
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#if TALLOC_DEPRECATED
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#define talloc_zero_p(ctx, type) talloc_zero(ctx, type)
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#define talloc_p(ctx, type) talloc(ctx, type)
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#define talloc_array_p(ctx, type, count) talloc_array(ctx, type, count)
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#define talloc_realloc_p(ctx, p, type, count) talloc_realloc(ctx, p, type, count)
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#define talloc_destroy(ctx) talloc_free(ctx)
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#endif
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#ifndef PRINTF_ATTRIBUTE
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#if (__GNUC__ >= 3)
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/** Use gcc attribute to check printf fns. a1 is the 1-based index of
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@ -88,46 +59,115 @@ typedef void TALLOC_CTX;
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#endif
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#endif
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/* try to make talloc_set_destructor() and talloc_steal() type safe,
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if we have a recent gcc */
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#if (__GNUC__ >= 3)
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#define _TALLOC_TYPEOF(ptr) __typeof__(ptr)
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#define talloc_set_destructor(ptr, function) \
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do { \
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int (*_talloc_destructor_fn)(_TALLOC_TYPEOF(ptr)) = (function); \
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_talloc_set_destructor((ptr), (int (*)(void *))_talloc_destructor_fn); \
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} while(0)
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/* this extremely strange macro is to avoid some braindamaged warning
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stupidity in gcc 4.1.x */
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#define talloc_steal(ctx, ptr) ({ _TALLOC_TYPEOF(ptr) __talloc_steal_ret = (_TALLOC_TYPEOF(ptr))_talloc_steal((ctx),(ptr)); __talloc_steal_ret; })
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#else
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#define talloc_set_destructor(ptr, function) \
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_talloc_set_destructor((ptr), (int (*)(void *))(function))
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#define _TALLOC_TYPEOF(ptr) void *
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#define talloc_steal(ctx, ptr) (_TALLOC_TYPEOF(ptr))_talloc_steal((ctx),(ptr))
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#endif
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#define talloc_reference(ctx, ptr) (_TALLOC_TYPEOF(ptr))_talloc_reference((ctx),(ptr))
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#define talloc_move(ctx, ptr) (_TALLOC_TYPEOF(*(ptr)))_talloc_move((ctx),(void *)(ptr))
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/* useful macros for creating type checked pointers */
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#define talloc(ctx, type) (type *)talloc_named_const(ctx, sizeof(type), #type)
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#define talloc_size(ctx, size) talloc_named_const(ctx, size, __location__)
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#define talloc_ptrtype(ctx, ptr) (_TALLOC_TYPEOF(ptr))talloc_size(ctx, sizeof(*(ptr)))
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#define talloc_new(ctx) talloc_named_const(ctx, 0, "talloc_new: " __location__)
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#define talloc_zero(ctx, type) (type *)_talloc_zero(ctx, sizeof(type), #type)
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#define talloc_zero_size(ctx, size) _talloc_zero(ctx, size, __location__)
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#define talloc_zero_array(ctx, type, count) (type *)_talloc_zero_array(ctx, sizeof(type), count, #type)
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#define talloc_array(ctx, type, count) (type *)_talloc_array(ctx, sizeof(type), count, #type)
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#define talloc_array_size(ctx, size, count) _talloc_array(ctx, size, count, __location__)
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#define talloc_array_ptrtype(ctx, ptr, count) (_TALLOC_TYPEOF(ptr))talloc_array_size(ctx, sizeof(*(ptr)), count)
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#define talloc_realloc(ctx, p, type, count) (type *)_talloc_realloc_array(ctx, p, sizeof(type), count, #type)
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#define talloc_realloc_size(ctx, ptr, size) _talloc_realloc(ctx, ptr, size, __location__)
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#define talloc_memdup(t, p, size) _talloc_memdup(t, p, size, __location__)
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#define talloc_set_type(ptr, type) talloc_set_name_const(ptr, #type)
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#define talloc_get_type(ptr, type) (type *)talloc_check_name(ptr, #type)
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#define talloc_find_parent_bytype(ptr, type) (type *)talloc_find_parent_byname(ptr, #type)
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#if TALLOC_DEPRECATED
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#define talloc_zero_p(ctx, type) talloc_zero(ctx, type)
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#define talloc_p(ctx, type) talloc(ctx, type)
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#define talloc_array_p(ctx, type, count) talloc_array(ctx, type, count)
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#define talloc_realloc_p(ctx, p, type, count) talloc_realloc(ctx, p, type, count)
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#define talloc_destroy(ctx) talloc_free(ctx)
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#endif
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/* The following definitions come from talloc.c */
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void *_talloc(const void *context, size_t size);
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void talloc_set_destructor(const void *ptr, int (*destructor)(void *));
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void talloc_increase_ref_count(const void *ptr);
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void *talloc_reference(const void *context, const void *ptr);
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void _talloc_set_destructor(const void *ptr, int (*destructor)(void *));
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int talloc_increase_ref_count(const void *ptr);
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size_t talloc_reference_count(const void *ptr);
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void *_talloc_reference(const void *context, const void *ptr);
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int talloc_unlink(const void *context, void *ptr);
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void talloc_set_name(const void *ptr, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
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const char *talloc_set_name(const void *ptr, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
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void talloc_set_name_const(const void *ptr, const char *name);
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void *talloc_named(const void *context, size_t size,
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const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
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void *talloc_named_const(const void *context, size_t size, const char *name);
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const char *talloc_get_name(const void *ptr);
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void *talloc_check_name(const void *ptr, const char *name);
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void talloc_report_depth(const void *ptr, FILE *f, int depth);
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void *talloc_parent(const void *ptr);
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const char *talloc_parent_name(const void *ptr);
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void *talloc_init(const char *fmt, ...) PRINTF_ATTRIBUTE(1,2);
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int talloc_free(void *ptr);
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void talloc_free_children(void *ptr);
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void *_talloc_realloc(const void *context, void *ptr, size_t size, const char *name);
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void *talloc_steal(const void *new_ctx, const void *ptr);
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off_t talloc_total_size(const void *ptr);
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off_t talloc_total_blocks(const void *ptr);
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void *_talloc_steal(const void *new_ctx, const void *ptr);
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void *_talloc_move(const void *new_ctx, const void *pptr);
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size_t talloc_total_size(const void *ptr);
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size_t talloc_total_blocks(const void *ptr);
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void talloc_report_depth_cb(const void *ptr, int depth, int max_depth,
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void (*callback)(const void *ptr,
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int depth, int max_depth,
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int is_ref,
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void *private_data),
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void *private_data);
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void talloc_report_depth_file(const void *ptr, int depth, int max_depth, FILE *f);
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void talloc_report_full(const void *ptr, FILE *f);
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void talloc_report(const void *ptr, FILE *f);
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void talloc_enable_null_tracking(void);
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void talloc_disable_null_tracking(void);
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void talloc_enable_leak_report(void);
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void talloc_enable_leak_report_full(void);
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void *_talloc_zero(const void *ctx, size_t size, const char *name);
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void *_talloc_memdup(const void *t, const void *p, size_t size, const char *name);
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char *talloc_strdup(const void *t, const char *p);
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char *talloc_strndup(const void *t, const char *p, size_t n);
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char *talloc_append_string(const void *t, char *orig, const char *append);
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char *talloc_vasprintf(const void *t, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
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char *talloc_vasprintf_append(char *s, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
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char *talloc_asprintf(const void *t, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
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char *talloc_asprintf_append(char *s,
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const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
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char *talloc_asprintf_append(char *s, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
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void *_talloc_array(const void *ctx, size_t el_size, unsigned count, const char *name);
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void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name);
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void *_talloc_realloc_array(const void *ctx, void *ptr, size_t el_size, unsigned count, const char *name);
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void *talloc_realloc_fn(const void *context, void *ptr, size_t size);
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void *talloc_autofree_context(void);
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size_t talloc_get_size(const void *ctx);
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void *talloc_find_parent_byname(const void *ctx, const char *name);
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void talloc_show_parents(const void *context, FILE *file);
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int talloc_is_parent(const void *context, const void *ptr);
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#endif
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