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authorStefan Metzmacher <metze@samba.org>2006-08-29 16:54:12 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 11:38:59 -0500
commit9c8a9d0ac4cb062e8de25a5dbaed823e597a128f (patch)
tree52648e7d318094f269d0c11e8e2c97a974ad82ea /source3/include/talloc.h
parent3247b4f15a11c531d79ca8137a4f36d63069591b (diff)
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r17922: sync samba3's talloc with samba4's and move the samba3 specific stuff to tallocmsg.c
metze (This used to be commit 7704e3e51dec1768772663024a0579cb4a271cc1)
Diffstat (limited to 'source3/include/talloc.h')
-rw-r--r--source3/include/talloc.h91
1 files changed, 55 insertions, 36 deletions
diff --git a/source3/include/talloc.h b/source3/include/talloc.h
index db88ce6ed5..fdc0fd3494 100644
--- a/source3/include/talloc.h
+++ b/source3/include/talloc.h
@@ -5,6 +5,7 @@
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
@@ -40,9 +41,43 @@ typedef void TALLOC_CTX;
#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; })
+#define talloc_reference(ctx, ptr) (_TALLOC_TYPEOF(ptr))_talloc_reference((ctx),(ptr))
+#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))
+#define talloc_reference(ctx, ptr) (_TALLOC_TYPEOF(ptr))_talloc_reference((ctx),(ptr))
+#endif
+
/* 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__)
@@ -52,29 +87,18 @@ typedef void TALLOC_CTX;
#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 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)
-
-#if 0
-/* Not correct for Samba3. */
-#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__)
-#endif
-
#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)
@@ -83,43 +107,39 @@ typedef void TALLOC_CTX;
#define talloc_destroy(ctx) talloc_free(ctx)
#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
-
-
/* 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);
+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);
-void talloc_set_name(const void *ptr, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
+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_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_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); */
-off_t talloc_total_size(const void *ptr);
-off_t talloc_total_blocks(const void *ptr);
+void *_talloc_steal(const void *new_ctx, const void *ptr);
+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);
@@ -130,8 +150,7 @@ 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);
+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);
@@ -140,7 +159,7 @@ 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 char *ptr);
+int talloc_is_parent(const void *context, const void *ptr);
#endif