mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-24 23:39:51 +03:00
174 lines
7.9 KiB
C
174 lines
7.9 KiB
C
#ifndef _TALLOC_H_
|
|
#define _TALLOC_H_
|
|
/*
|
|
Unix SMB/CIFS implementation.
|
|
Samba temporary memory allocation functions
|
|
|
|
Copyright (C) Andrew Tridgell 2004-2005
|
|
Copyright (C) Stefan Metzmacher 2006
|
|
|
|
** NOTE! The following LGPL license applies to the talloc
|
|
** library. This does NOT imply that all of Samba is released
|
|
** under the LGPL
|
|
|
|
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 2 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, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
|
|
/* this is only needed for compatibility with the old talloc */
|
|
typedef void TALLOC_CTX;
|
|
|
|
/*
|
|
this uses a little trick to allow __LINE__ to be stringified
|
|
*/
|
|
#ifndef __location__
|
|
#define __TALLOC_STRING_LINE1__(s) #s
|
|
#define __TALLOC_STRING_LINE2__(s) __TALLOC_STRING_LINE1__(s)
|
|
#define __TALLOC_STRING_LINE3__ __TALLOC_STRING_LINE2__(__LINE__)
|
|
#define __location__ __FILE__ ":" __TALLOC_STRING_LINE3__
|
|
#endif
|
|
|
|
#ifndef TALLOC_DEPRECATED
|
|
#define TALLOC_DEPRECATED 0
|
|
#endif
|
|
|
|
#ifndef PRINTF_ATTRIBUTE
|
|
#if (__GNUC__ >= 3)
|
|
/** Use gcc attribute to check printf fns. a1 is the 1-based index of
|
|
* the parameter containing the format, and a2 the index of the first
|
|
* argument. Note that some gcc 2.x versions don't handle this
|
|
* properly **/
|
|
#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (__printf__, a1, a2)))
|
|
#else
|
|
#define PRINTF_ATTRIBUTE(a1, a2)
|
|
#endif
|
|
#endif
|
|
|
|
/* try to make talloc_set_destructor() and talloc_steal() type safe,
|
|
if we have a recent gcc */
|
|
#if (__GNUC__ >= 3)
|
|
#define _TALLOC_TYPEOF(ptr) __typeof__(ptr)
|
|
#define talloc_set_destructor(ptr, function) \
|
|
do { \
|
|
int (*_talloc_destructor_fn)(_TALLOC_TYPEOF(ptr)) = (function); \
|
|
_talloc_set_destructor((ptr), (int (*)(void *))_talloc_destructor_fn); \
|
|
} while(0)
|
|
/* this extremely strange macro is to avoid some braindamaged warning
|
|
stupidity in gcc 4.1.x */
|
|
#define talloc_steal(ctx, ptr) ({ _TALLOC_TYPEOF(ptr) __talloc_steal_ret = (_TALLOC_TYPEOF(ptr))_talloc_steal((ctx),(ptr)); __talloc_steal_ret; })
|
|
#else
|
|
#define talloc_set_destructor(ptr, function) \
|
|
_talloc_set_destructor((ptr), (int (*)(void *))(function))
|
|
#define _TALLOC_TYPEOF(ptr) void *
|
|
#define talloc_steal(ctx, ptr) (_TALLOC_TYPEOF(ptr))_talloc_steal((ctx),(ptr))
|
|
#endif
|
|
|
|
#define talloc_reference(ctx, ptr) (_TALLOC_TYPEOF(ptr))_talloc_reference((ctx),(ptr))
|
|
#define talloc_move(ctx, ptr) (_TALLOC_TYPEOF(*(ptr)))_talloc_move((ctx),(void *)(ptr))
|
|
|
|
/* useful macros for creating type checked pointers */
|
|
#define talloc(ctx, type) (type *)talloc_named_const(ctx, sizeof(type), #type)
|
|
#define talloc_size(ctx, size) talloc_named_const(ctx, size, __location__)
|
|
#define talloc_ptrtype(ctx, ptr) (_TALLOC_TYPEOF(ptr))talloc_size(ctx, sizeof(*(ptr)))
|
|
|
|
#define talloc_new(ctx) talloc_named_const(ctx, 0, "talloc_new: " __location__)
|
|
|
|
#define talloc_zero(ctx, type) (type *)_talloc_zero(ctx, sizeof(type), #type)
|
|
#define talloc_zero_size(ctx, size) _talloc_zero(ctx, size, __location__)
|
|
|
|
#define talloc_zero_array(ctx, type, count) (type *)_talloc_zero_array(ctx, sizeof(type), count, #type)
|
|
#define talloc_array(ctx, type, count) (type *)_talloc_array(ctx, sizeof(type), count, #type)
|
|
#define talloc_array_size(ctx, size, count) _talloc_array(ctx, size, count, __location__)
|
|
#define talloc_array_ptrtype(ctx, ptr, count) (_TALLOC_TYPEOF(ptr))talloc_array_size(ctx, sizeof(*(ptr)), count)
|
|
|
|
#define talloc_realloc(ctx, p, type, count) (type *)_talloc_realloc_array(ctx, p, sizeof(type), count, #type)
|
|
#define talloc_realloc_size(ctx, ptr, size) _talloc_realloc(ctx, ptr, size, __location__)
|
|
|
|
#define talloc_memdup(t, p, size) _talloc_memdup(t, p, size, __location__)
|
|
|
|
#define talloc_set_type(ptr, type) talloc_set_name_const(ptr, #type)
|
|
#define talloc_get_type(ptr, type) (type *)talloc_check_name(ptr, #type)
|
|
|
|
#define talloc_find_parent_bytype(ptr, type) (type *)talloc_find_parent_byname(ptr, #type)
|
|
|
|
#if TALLOC_DEPRECATED
|
|
#define talloc_zero_p(ctx, type) talloc_zero(ctx, type)
|
|
#define talloc_p(ctx, type) talloc(ctx, type)
|
|
#define talloc_array_p(ctx, type, count) talloc_array(ctx, type, count)
|
|
#define talloc_realloc_p(ctx, p, type, count) talloc_realloc(ctx, p, type, count)
|
|
#define talloc_destroy(ctx) talloc_free(ctx)
|
|
#endif
|
|
|
|
/* The following definitions come from talloc.c */
|
|
void *_talloc(const void *context, size_t size);
|
|
void _talloc_set_destructor(const void *ptr, int (*destructor)(void *));
|
|
int talloc_increase_ref_count(const void *ptr);
|
|
size_t talloc_reference_count(const void *ptr);
|
|
void *_talloc_reference(const void *context, const void *ptr);
|
|
int talloc_unlink(const void *context, void *ptr);
|
|
const char *talloc_set_name(const void *ptr, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
|
|
void talloc_set_name_const(const void *ptr, const char *name);
|
|
void *talloc_named(const void *context, size_t size,
|
|
const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
|
|
void *talloc_named_const(const void *context, size_t size, const char *name);
|
|
const char *talloc_get_name(const void *ptr);
|
|
void *talloc_check_name(const void *ptr, const char *name);
|
|
void *talloc_parent(const void *ptr);
|
|
const char *talloc_parent_name(const void *ptr);
|
|
void *talloc_init(const char *fmt, ...) PRINTF_ATTRIBUTE(1,2);
|
|
int talloc_free(void *ptr);
|
|
void talloc_free_children(void *ptr);
|
|
void *_talloc_realloc(const void *context, void *ptr, size_t size, const char *name);
|
|
void *_talloc_steal(const void *new_ctx, const void *ptr);
|
|
void *_talloc_move(const void *new_ctx, const void *pptr);
|
|
size_t talloc_total_size(const void *ptr);
|
|
size_t talloc_total_blocks(const void *ptr);
|
|
void talloc_report_depth_cb(const void *ptr, int depth, int max_depth,
|
|
void (*callback)(const void *ptr,
|
|
int depth, int max_depth,
|
|
int is_ref,
|
|
void *private_data),
|
|
void *private_data);
|
|
void talloc_report_depth_file(const void *ptr, int depth, int max_depth, FILE *f);
|
|
void talloc_report_full(const void *ptr, FILE *f);
|
|
void talloc_report(const void *ptr, FILE *f);
|
|
void talloc_enable_null_tracking(void);
|
|
void talloc_disable_null_tracking(void);
|
|
void talloc_enable_leak_report(void);
|
|
void talloc_enable_leak_report_full(void);
|
|
void *_talloc_zero(const void *ctx, size_t size, const char *name);
|
|
void *_talloc_memdup(const void *t, const void *p, size_t size, const char *name);
|
|
char *talloc_strdup(const void *t, const char *p);
|
|
char *talloc_strndup(const void *t, const char *p, size_t n);
|
|
char *talloc_append_string(const void *t, char *orig, const char *append);
|
|
char *talloc_vasprintf(const void *t, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
|
|
char *talloc_vasprintf_append(char *s, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
|
|
char *talloc_asprintf(const void *t, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
|
|
char *talloc_asprintf_append(char *s, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
|
|
void *_talloc_array(const void *ctx, size_t el_size, unsigned count, const char *name);
|
|
void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name);
|
|
void *_talloc_realloc_array(const void *ctx, void *ptr, size_t el_size, unsigned count, const char *name);
|
|
void *talloc_realloc_fn(const void *context, void *ptr, size_t size);
|
|
void *talloc_autofree_context(void);
|
|
size_t talloc_get_size(const void *ctx);
|
|
void *talloc_find_parent_byname(const void *ctx, const char *name);
|
|
void talloc_show_parents(const void *context, FILE *file);
|
|
int talloc_is_parent(const void *context, const void *ptr);
|
|
|
|
#endif
|