path: root/utils/talloc.h
diff options
authorJames Bursa <>2005-04-03 10:56:49 +0000
committerJames Bursa <>2005-04-03 10:56:49 +0000
commitfef4301a7492e849f6c519b656f64341332323e5 (patch)
tree93c6a584767bcd3af6e72d4b158567be28dfa7b6 /utils/talloc.h
parentf5ff372fe8e729c096d8334a461b90c20d8a397c (diff)
[project @ 2005-04-03 10:56:49 by bursa]
Talloc memory allocation functions from Samba. svn path=/import/netsurf/; revision=1591
Diffstat (limited to 'utils/talloc.h')
1 files changed, 131 insertions, 0 deletions
diff --git a/utils/talloc.h b/utils/talloc.h
new file mode 100644
index 000000000..8b448f63c
--- /dev/null
+++ b/utils/talloc.h
@@ -0,0 +1,131 @@
+#ifndef _TALLOC_H_
+#define _TALLOC_H_
+ Unix SMB/CIFS implementation.
+ Samba temporary memory allocation functions
+ Copyright (C) Andrew Tridgell 2004-2005
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ GNU General Public License for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+/* 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
+#define _STRING_LINE_(s) #s
+#define _STRING_LINE2_(s) _STRING_LINE_(s)
+#define __LINESTR__ _STRING_LINE2_(__LINE__)
+#define __location__ __FILE__ ":" __LINESTR__
+/* 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_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_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 malloc_p(type) (type *)malloc(sizeof(type))
+#define malloc_array_p(type, count) (type *)realloc_array(NULL, sizeof(type), count)
+#define realloc_p(p, type, count) (type *)realloc_array(p, sizeof(type), count)
+#define data_blob(ptr, size) data_blob_named(ptr, size, "DATA_BLOB: "__location__)
+#define data_blob_talloc(ctx, ptr, size) data_blob_talloc_named(ctx, ptr, size, "DATA_BLOB: "__location__)
+#define data_blob_dup_talloc(ctx, blob) data_blob_talloc_named(ctx, (blob)->data, (blob)->length, "DATA_BLOB: "__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_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)
+#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)))
+#define PRINTF_ATTRIBUTE(a1, a2)
+/* 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 *));
+void talloc_increase_ref_count(const void *ptr);
+void *talloc_reference(const void *context, const void *ptr);
+int talloc_unlink(const void *context, void *ptr);
+void 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_report_depth(const void *ptr, FILE *f, int depth);
+void *talloc_parent(const void *ptr);
+void *talloc_init(const char *fmt, ...) PRINTF_ATTRIBUTE(1,2);
+int talloc_free(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);
+off_t talloc_total_size(const void *ptr);
+off_t talloc_total_blocks(const void *ptr);
+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_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_vasprintf(const void *t, 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);