4 Unix SMB/CIFS implementation.
5 Samba temporary memory allocation functions
7 Copyright (C) Andrew Tridgell 2004-2005
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 /* this is only needed for compatibility with the old talloc */
25 typedef void TALLOC_CTX;
28 this uses a little trick to allow __LINE__ to be stringified
30 #define _STRING_LINE_(s) #s
31 #define _STRING_LINE2_(s) _STRING_LINE_(s)
32 #define __LINESTR__ _STRING_LINE2_(__LINE__)
33 #define __location__ __FILE__ ":" __LINESTR__
35 #ifndef TALLOC_DEPRECATED
36 #define TALLOC_DEPRECATED 0
39 /* useful macros for creating type checked pointers */
40 #define talloc(ctx, type) (type *)talloc_named_const(ctx, sizeof(type), #type ": " __location__)
41 #define talloc_size(ctx, size) talloc_named_const(ctx, size, __location__)
43 #define talloc_new(ctx) talloc_named_const(ctx, 0, "talloc_new: " __location__)
45 #define talloc_zero(ctx, type) (type *)_talloc_zero(ctx, sizeof(type), #type)
46 #define talloc_zero_size(ctx, size) _talloc_zero(ctx, size, __location__)
48 #define talloc_zero_array(ctx, type, count) (type *)_talloc_zero_array(ctx, sizeof(type), count, __location__)
49 #define talloc_array(ctx, type, count) (type *)_talloc_array(ctx, sizeof(type), count, __location__)
50 #define talloc_array_size(ctx, size, count) _talloc_array(ctx, size, count, __location__)
52 #define talloc_realloc(ctx, p, type, count) (type *)_talloc_realloc_array(ctx, p, sizeof(type), count, __location__)
53 #define talloc_realloc_size(ctx, ptr, size) _talloc_realloc(ctx, ptr, size, __location__)
55 #define talloc_memdup(t, p, size) _talloc_memdup(t, p, size, __location__)
57 #define malloc_p(type) (type *)malloc(sizeof(type))
58 #define malloc_array_p(type, count) (type *)realloc_array(NULL, sizeof(type), count)
59 #define realloc_p(p, type, count) (type *)realloc_array(p, sizeof(type), count)
61 #define data_blob(ptr, size) data_blob_named(ptr, size, "DATA_BLOB: "__location__)
62 #define data_blob_talloc(ctx, ptr, size) data_blob_talloc_named(ctx, ptr, size, "DATA_BLOB: "__location__)
63 #define data_blob_dup_talloc(ctx, blob) data_blob_talloc_named(ctx, (blob)->data, (blob)->length, "DATA_BLOB: "__location__)
67 #define talloc_zero_p(ctx, type) talloc_zero(ctx, type)
68 #define talloc_p(ctx, type) talloc(ctx, type)
69 #define talloc_array_p(ctx, type, count) talloc_array(ctx, type, count)
70 #define talloc_realloc_p(ctx, p, type, count) talloc_realloc(ctx, p, type, count)
71 #define talloc_destroy(ctx) talloc_free(ctx)
74 #ifndef PRINTF_ATTRIBUTE
75 #define PRINTF_ATTRIBUTE(a1, a2)
79 /* The following definitions come from lib/talloc.c */
80 void *_talloc(const void *context, size_t size);
81 void talloc_set_destructor(const void *ptr, int (*destructor)(void *));
82 void talloc_increase_ref_count(const void *ptr);
83 void *talloc_reference(const void *context, const void *ptr);
84 int talloc_unlink(const void *context, void *ptr);
85 void talloc_set_name(const void *ptr, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
86 void talloc_set_name_const(const void *ptr, const char *name);
87 void *talloc_named(const void *context, size_t size,
88 const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
89 void *talloc_named_const(const void *context, size_t size, const char *name);
90 const char *talloc_get_name(const void *ptr);
91 void talloc_report_depth(const void *ptr, FILE *f, int depth);
92 void *talloc_parent(const void *ptr);
93 void *talloc_init(const char *fmt, ...) PRINTF_ATTRIBUTE(1,2);
94 int talloc_free(void *ptr);
95 void *_talloc_realloc(const void *context, void *ptr, size_t size, const char *name);
96 void *talloc_steal(const void *new_ctx, const void *ptr);
97 off_t talloc_total_size(const void *ptr);
98 off_t talloc_total_blocks(const void *ptr);
99 void talloc_report_full(const void *ptr, FILE *f);
100 void talloc_report(const void *ptr, FILE *f);
101 void talloc_enable_leak_report(void);
102 void talloc_enable_leak_report_full(void);
103 void *_talloc_zero(const void *ctx, size_t size, const char *name);
104 void *_talloc_memdup(const void *t, const void *p, size_t size, const char *name);
105 char *talloc_strdup(const void *t, const char *p);
106 char *talloc_strndup(const void *t, const char *p, size_t n);
107 char *talloc_vasprintf(const void *t, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
108 char *talloc_asprintf(const void *t, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
109 char *talloc_asprintf_append(char *s,
110 const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
111 void *_talloc_array(const void *ctx, size_t el_size, unsigned count, const char *name);
112 void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name);
113 void *_talloc_realloc_array(const void *ctx, void *ptr, size_t el_size, unsigned count, const char *name);
114 void *talloc_realloc_fn(const void *context, void *ptr, size_t size);
115 void *talloc_autofree_context(void);