134 lines
5.9 KiB
C
134 lines
5.9 KiB
C
#ifndef _TALLOC_H_
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#define _TALLOC_H_
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/*
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Unix SMB/CIFS implementation.
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Samba temporary memory allocation functions
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Copyright (C) Andrew Tridgell 2004-2005
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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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This program 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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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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*/
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#include <unistd.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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/*
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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 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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* the parameter containing the format, and a2 the index of the first
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* argument. Note that some gcc 2.x versions don't handle this
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* properly **/
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#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (__printf__, a1, a2)))
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#else
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#define PRINTF_ATTRIBUTE(a1, a2)
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#endif
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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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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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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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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_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_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_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_vasprintf(const void *t, 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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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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#endif
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