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#
#
# add_file "Makefile.am"
# content [62a241bbe1756004e4a0dc1cc090728276b1a98c]
#
# add_file "ldb-backend.c"
# content [0124bd482980c12c9094679c914488bfe02acbae]
#
# add_file "talloc.c"
# content [0976d0ce9240f4482df6bd7a346ea1660ab9a3eb]
#
# add_file "talloc.h"
# content [93d0d39c69867d4c2bbf425dd24b582d61165ca5]
#
============================================================
--- Makefile.am 62a241bbe1756004e4a0dc1cc090728276b1a98c
+++ Makefile.am 62a241bbe1756004e4a0dc1cc090728276b1a98c
@@ -0,0 +1,77 @@
+INCLUDES= -I$(top_srcdir) -I$(top_builddir) -I$(top_builddir)/gconf \
+ $(DEPENDENT_WITH_XML_CFLAGS) \
+ -DGCONF_ENABLE_INTERNALS=1 -DG_LOG_DOMAIN=\"GConf-Backends\"
+
+backenddir = $(pkglibdir)/$(MAJOR_VERSION)
+
+if LDAP_SUPPORT
+EVOLDAP_BACKEND = libgconfbackend-evoldap.la
+LDB_BACKEND = libgconfbackend-ldb.la
+endif
+
+backend_LTLIBRARIES = libgconfbackend-xml.la libgconfbackend-oldxml.la $(LDB_BACKEND) $(EVOLDAP_BACKEND)
+
+libgconfbackend_oldxml_la_SOURCES = \
+ xml-cache.h \
+ xml-cache.c \
+ xml-dir.h \
+ xml-dir.c \
+ xml-entry.h \
+ xml-entry.c \
+ xml-backend.c
+
+libgconfbackend_oldxml_la_LDFLAGS = -avoid-version -module -no-undefined
+libgconfbackend_oldxml_la_LIBADD = $(DEPENDENT_WITH_XML_LIBS) $(top_builddir)/gconf/libgconf-$(MAJOR_VERSION).la $(INTLLIBS)
+
+libgconfbackend_xml_la_SOURCES = \
+ markup-backend.c \
+ markup-tree.h \
+ markup-tree.c
+
+libgconfbackend_xml_la_LDFLAGS = -avoid-version -module -no-undefined
+libgconfbackend_xml_la_LIBADD = $(DEPENDENT_LIBS) $(top_builddir)/gconf/libgconf-$(MAJOR_VERSION).la $(INTLLIBS)
+
+noinst_PROGRAMS = xml-test
+
+xml_test_SOURCES= xml-test.c
+xml_test_LDADD = \
+ $(DEPENDENT_WITH_XML_LIBS) \
+ $(top_builddir)/gconf/libgconf-$(MAJOR_VERSION).la \
+ $(top_builddir)/backends/libgconfbackend-oldxml.la
+
+bin_PROGRAMS = gconf-merge-tree
+gconf_merge_tree_SOURCES = gconf-merge-tree.c
+gconf_merge_tree_LDADD = $(DEPENDENT_LIBS) $(top_builddir)/gconf/libgconf-$(MAJOR_VERSION).la
+
+if LDAP_SUPPORT
+libgconfbackend_evoldap_la_SOURCES = evoldap-backend.c
+libgconfbackend_evoldap_la_LDFLAGS = -avoid-version -module -no-undefined
+libgconfbackend_evoldap_la_LIBADD = \
+ $(DEPENDENT_WITH_XML_LIBS) \
+ $(top_builddir)/gconf/libgconf-$(MAJOR_VERSION).la \
+ $(INTLLIBS) \
+ $(LDAP_LIBS)
+
+backendconfdir = $(sysconfdir)/gconf/2
+backendconf_DATA = evoldap.conf
+
+schemadir = $(pkgdatadir)/schema
+schema_DATA = evoldap.schema
+
+libgconfbackend_ldb_la_SOURCES = \
+ ldb-backend.c \
+ talloc.c
+
+libgconfbackend_ldb_la_LDFLAGS = -avoid-version -module -no-undefined
+libgconfbackend_ldb_la_LIBADD = \
+ $(DEPENDENT_WITH_XML_LIBS) \
+ $(top_builddir)/gconf/libgconf-$(MAJOR_VERSION).la \
+ $(INTLLIBS) \
+ $(LDAP_LIBS)
+
+endif
+
+EXTRA_DIST = \
+ README.evoldap \
+ evoldap.conf \
+ evoldap.schema
============================================================
--- ldb-backend.c 0124bd482980c12c9094679c914488bfe02acbae
+++ ldb-backend.c 0124bd482980c12c9094679c914488bfe02acbae
@@ -0,0 +1,405 @@
+/* GConf ldb backend
+ * Copyright (C) 1999, 2000, 2002 Red Hat Inc.
+ * Copyright (C) 2005 Grahame Bowland.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library 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.
+ */
+
+/*
+ * designed for correctness, speed. uses ldb for local storage.
+ */
+
+#include <gconf/gconf-backend.h>
+#include <gconf/gconf-internals.h>
+#include <gconf/gconf.h>
+#include <glib.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <pwd.h>
+
+/* ldb irritatingly needs headers it doesn't include itself */
+#include <stdint.h>
+#include <stdarg.h>
+#include "talloc.h"
+#include <ldb.h>
+
+#define ROOT_DIRECTORY_PARENT -1
+#define ROOT_DIRECTORY_NAME ""
+
+/* used for columns, they indicate which gconf type we're actually storing */
+#define T_STRING "s"
+#define T_INT "i"
+#define T_FLOAT "f"
+#define T_BOOL "b"
+#define T_SCHEMA "c"
+#define T_LIST "l"
+#define T_PAIR "p"
+
+/*
+ * VTable functions
+ */
+
+ /* shutdown() is a BSD libc function */
+static void x_shutdown (GError **err);
+static GConfSource* resolve_address (const char *address,
+ GError **err);
+static void lock (GConfSource *source,
+ GError **err);
+static void unlock (GConfSource *source,
+ GError **err);
+static gboolean readable (GConfSource *source,
+ const char *key,
+ GError **err);
+static gboolean writable (GConfSource *source,
+ const char *key,
+ GError **err);
+static GConfValue* query_value (GConfSource *source,
+ const char *key,
+ const char **locales,
+ char **schema_name,
+ GError **err);
+static GConfMetaInfo* query_metainfo (GConfSource *source,
+ const char *key,
+ GError **err);
+static void set_value (GConfSource *source,
+ const char *key,
+ const GConfValue *value,
+ GError **err);
+static GSList* all_entries (GConfSource *source,
+ const char *dir,
+ const char **locales,
+ GError **err);
+static GSList* all_subdirs (GConfSource *source,
+ const char *dir,
+ GError **err);
+static void unset_value (GConfSource *source,
+ const char *key,
+ const char *locale,
+ GError **err);
+static gboolean dir_exists (GConfSource *source,
+ const char *dir,
+ GError **err);
+static void remove_dir (GConfSource *source,
+ const char *dir,
+ GError **err);
+static void set_schema (GConfSource *source,
+ const char *key,
+ const char *schema_key,
+ GError **err);
+static gboolean sync_all (GConfSource *source,
+ GError **err);
+static void destroy_source (GConfSource *source);
+static void clear_cache (GConfSource *source);
+static void blow_away_locks (const char *address);
+
+typedef struct
+{
+ GConfSource source; /* inherit from GConfSource */
+ gchar *dbfile;
+ GConfLock* lock;
+ struct ldb_context *ldb;
+} LdbSource;
+
+/* create a new LdbSource, if possible.
+ * otherwise, return NULL
+ */
+static LdbSource *
+ldb_new (const char *dbfile, GConfLock *lock)
+{
+ LdbSource *ss;
+ mode_t m;
+ int rv;
+
+ g_return_val_if_fail (dbfile != NULL, NULL);
+
+ ss = g_new0 (LdbSource, 1);
+ ss->dbfile = g_strdup (dbfile);
+ ss->lock = lock;
+ /* if the database does not exist, ldb will create it. we must make sure
+ * it is created in with secure permissions
+ */
+ m = umask(077);
+ ss->ldb = ldb_init (NULL);
+ if (ss->ldb != NULL) {
+ ldb_connect (ss->ldb, ss->dbfile, 0, (const char **)NULL);
+ }
+ umask(m);
+
+ if (rv) {
+ gconf_log (GCL_ERR, _("Couldn't open database \"%s\"\n"), ss->dbfile);
+ g_free (ss->dbfile);
+ g_free (ss);
+ return NULL;
+ }
+ return ss;
+}
+
+static void
+ldb_destroy (LdbSource *ss)
+{
+ GError* error = NULL;
+ g_return_if_fail (ss != NULL);
+
+ if (ss->lock != NULL && !gconf_release_lock (ss->lock, &error)) {
+ gconf_log (GCL_ERR, _("Failed to give up lock on database \"%s\" : %s"),
+ ss->dbfile, error->message);
+ g_error_free (error);
+ error = NULL;
+ }
+
+ talloc_free (ss->ldb);
+ g_free (ss->dbfile);
+ g_free (ss);
+}
+
+/* public methods are all below this line */
+
+static GConfBackendVTable markup_vtable = {
+ sizeof (GConfBackendVTable),
+ x_shutdown,
+ resolve_address,
+ lock,
+ unlock,
+ readable,
+ writable,
+ query_value,
+ query_metainfo,
+ set_value,
+ all_entries,
+ all_subdirs,
+ unset_value,
+ dir_exists,
+ remove_dir,
+ set_schema,
+ sync_all,
+ destroy_source,
+ clear_cache,
+ blow_away_locks,
+ NULL, /* set_notify_func */
+ NULL, /* add_listener */
+ NULL /* remove_listener */
+};
+
+static void
+x_shutdown (GError **err)
+{
+ gconf_log (GCL_DEBUG, _("Unloading ldb backend module."));
+}
+
+static void
+lock (GConfSource *source,
+ GError **err)
+{
+
+}
+
+static void
+unlock (GConfSource *source,
+ GError **err)
+{
+
+
+}
+
+static gboolean
+readable (GConfSource *source,
+ const char *key,
+ GError **err)
+{
+ return TRUE;
+}
+
+static gboolean
+writable (GConfSource *source,
+ const char *key,
+ GError **err)
+{
+ return TRUE;
+}
+
+static GConfValue*
+query_value (GConfSource *source,
+ const char *key,
+ const char **locales,
+ char **schema_name,
+ GError **err)
+{
+ gconf_log (GCL_DEBUG, "query_value: %s", key);
+
+ return NULL;
+}
+
+static GConfMetaInfo*
+query_metainfo (GConfSource *source,
+ const char *key,
+ GError **err)
+{
+ gconf_log (GCL_DEBUG, "query_metainfo: %s", key);
+
+ return NULL;
+}
+
+static void
+set_value (GConfSource *source,
+ const char *key,
+ const GConfValue *value,
+ GError **err)
+{
+ gconf_log (GCL_DEBUG, "set_value: %s", key);
+}
+
+/* all entries in the directory pointed to by key */
+static GSList*
+all_entries (GConfSource *source,
+ const char *key,
+ const char **locales,
+ GError **err)
+{
+ gconf_log (GCL_DEBUG, "all_entries: %s", key);
+
+ return NULL;
+}
+
+/* all subdirectories of the directory pointed to by key */
+static GSList*
+all_subdirs (GConfSource *source,
+ const char *key,
+ GError **err)
+{
+ gconf_log (GCL_DEBUG, "all_subdirs: %s", key);
+
+ return NULL;
+}
+
+static void
+unset_value (GConfSource *source,
+ const char *key,
+ const char *locale,
+ GError **err)
+{
+ gconf_log (GCL_DEBUG, "unset_value: %s", key);
+
+}
+
+static gboolean
+dir_exists (GConfSource *source,
+ const char *key,
+ GError **err)
+{
+ gconf_log (GCL_DEBUG, "dir_exists: %s", key);
+
+ return FALSE;
+}
+
+static void
+remove_dir (GConfSource *source,
+ const char *key,
+ GError **err)
+{
+ gconf_log (GCL_DEBUG, "remove_dir: %s", key);
+
+}
+
+static void
+set_schema (GConfSource *source,
+ const char *key,
+ const char *schema_name,
+ GError **err)
+{
+ gconf_log (GCL_DEBUG, "set_schema: %s", key);
+
+}
+
+static gboolean
+sync_all (GConfSource *source,
+ GError **err)
+{
+
+ return FALSE;
+}
+
+static void
+destroy_source (GConfSource *source)
+{
+ ldb_destroy ((LdbSource *)source);
+}
+
+static void
+clear_cache (GConfSource *source)
+{
+
+}
+
+static void
+blow_away_locks (const char *address)
+{
+
+}
+
+static GConfSource*
+resolve_address (const char *address,
+ GError **err)
+{
+ LdbSource *new_source;
+ GConfLock *lock;
+ char *dbfile;
+
+ gconf_log (GCL_DEBUG, "ldb module initialising, address=%s", address);
+
+ dbfile = gconf_address_resource (address);
+ if (!dbfile)
+ return NULL;
+
+ /* for now, let's ignore locking; ldb does it anyway
+ * and probably better than we'd manage
+ */
+ lock = NULL;
+
+ new_source = ldb_new (dbfile, lock);
+ if (!new_source) {
+ return NULL;
+ }
+ ((GConfSource *)new_source)->flags = 0;
+ gconf_log (GCL_ERR, "ldb dbfile at: %s\n", dbfile);
+
+ g_free (dbfile);
+
+ return (GConfSource *)new_source;
+}
+
+/**************** EXPORT *********************/
+
+/* Initializer */
+
+G_MODULE_EXPORT const char*
+g_module_check_init (GModule *module)
+{
+ gconf_log (GCL_DEBUG, _("Initializing Markup backend module"));
+
+ return NULL;
+}
+
+G_MODULE_EXPORT GConfBackendVTable*
+gconf_backend_get_vtable (void)
+{
+ return &markup_vtable;
+}
============================================================
--- talloc.c 0976d0ce9240f4482df6bd7a346ea1660ab9a3eb
+++ talloc.c 0976d0ce9240f4482df6bd7a346ea1660ab9a3eb
@@ -0,0 +1,1194 @@
+/*
+ Samba Unix SMB/CIFS implementation.
+
+ Samba trivial allocation library - new interface
+
+ NOTE: Please read talloc_guide.txt for full documentation
+
+ Copyright (C) Andrew Tridgell 2004
+
+ 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
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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.
+*/
+
+/*
+ inspired by http://swapped.cc/halloc/
+*/
+
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <stdint.h>
+
+#include "talloc.h"
+
+/* use this to force every realloc to change the pointer, to stress test
+ code that might not cope */
+#define ALWAYS_REALLOC 0
+
+
+#define MAX_TALLOC_SIZE 0x10000000
+#define TALLOC_MAGIC 0xe814ec70
+#define TALLOC_FLAG_FREE 0x01
+#define TALLOC_FLAG_LOOP 0x02
+#define TALLOC_MAGIC_REFERENCE ((const char *)1)
+
+/* by default we abort when given a bad pointer (such as when talloc_free() is called
+ on a pointer that came from malloc() */
+#ifndef TALLOC_ABORT
+#define TALLOC_ABORT(reason) abort()
+#endif
+
+#ifndef discard_const_p
+#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
+# define discard_const_p(type, ptr) ((type *)((intptr_t)(ptr)))
+#else
+# define discard_const_p(type, ptr) ((type *)(ptr))
+#endif
+#endif
+
+/* this null_context is only used if talloc_enable_leak_report() or
+ talloc_enable_leak_report_full() is called, otherwise it remains
+ NULL
+*/
+static const void *null_context;
+static void *cleanup_context;
+
+
+struct talloc_reference_handle {
+ struct talloc_reference_handle *next, *prev;
+ void *ptr;
+};
+
+typedef int (*talloc_destructor_t)(void *);
+
+struct talloc_chunk {
+ struct talloc_chunk *next, *prev;
+ struct talloc_chunk *parent, *child;
+ struct talloc_reference_handle *refs;
+ talloc_destructor_t destructor;
+ const char *name;
+ size_t size;
+ unsigned flags;
+};
+
+/* 16 byte alignment seems to keep everyone happy */
+#define TC_HDR_SIZE ((sizeof(struct talloc_chunk)+15)&~15)
+#define TC_PTR_FROM_CHUNK(tc) ((void *)(TC_HDR_SIZE + (char*)tc))
+
+/* panic if we get a bad magic value */
+static struct talloc_chunk *talloc_chunk_from_ptr(const void *ptr)
+{
+ const char *pp = ptr;
+ struct talloc_chunk *tc = discard_const_p(struct talloc_chunk, pp - TC_HDR_SIZE);
+ if ((tc->flags & ~0xF) != TALLOC_MAGIC) {
+ TALLOC_ABORT("Bad talloc magic value - unknown value");
+ }
+ if (tc->flags & TALLOC_FLAG_FREE) {
+ TALLOC_ABORT("Bad talloc magic value - double free");
+ }
+ return tc;
+}
+
+/* hook into the front of the list */
+#define _TLIST_ADD(list, p) \
+do { \
+ if (!(list)) { \
+ (list) = (p); \
+ (p)->next = (p)->prev = NULL; \
+ } else { \
+ (list)->prev = (p); \
+ (p)->next = (list); \
+ (p)->prev = NULL; \
+ (list) = (p); \
+ }\
+} while (0)
+
+/* remove an element from a list - element doesn't have to be in list. */
+#define _TLIST_REMOVE(list, p) \
+do { \
+ if ((p) == (list)) { \
+ (list) = (p)->next; \
+ if (list) (list)->prev = NULL; \
+ } else { \
+ if ((p)->prev) (p)->prev->next = (p)->next; \
+ if ((p)->next) (p)->next->prev = (p)->prev; \
+ } \
+ if ((p) && ((p) != (list))) (p)->next = (p)->prev = NULL; \
+} while (0)
+
+
+/*
+ return the parent chunk of a pointer
+*/
+static struct talloc_chunk *talloc_parent_chunk(const void *ptr)
+{
+ struct talloc_chunk *tc = talloc_chunk_from_ptr(ptr);
+ while (tc->prev) tc=tc->prev;
+ return tc->parent;
+}
+
+void *talloc_parent(const void *ptr)
+{
+ struct talloc_chunk *tc = talloc_parent_chunk(ptr);
+ return TC_PTR_FROM_CHUNK(tc);
+}
+
+/*
+ Allocate a bit of memory as a child of an existing pointer
+*/
+void *_talloc(const void *context, size_t size)
+{
+ struct talloc_chunk *tc;
+
+ if (context == NULL) {
+ context = null_context;
+ }
+
+ if (size >= MAX_TALLOC_SIZE) {
+ return NULL;
+ }
+
+ tc = malloc(TC_HDR_SIZE+size);
+ if (tc == NULL) return NULL;
+
+ tc->size = size;
+ tc->flags = TALLOC_MAGIC;
+ tc->destructor = NULL;
+ tc->child = NULL;
+ tc->name = NULL;
+ tc->refs = NULL;
+
+ if (context) {
+ struct talloc_chunk *parent = talloc_chunk_from_ptr(context);
+
+ tc->parent = parent;
+
+ if (parent->child) {
+ parent->child->parent = NULL;
+ }
+
+ _TLIST_ADD(parent->child, tc);
+ } else {
+ tc->next = tc->prev = tc->parent = NULL;
+ }
+
+ return TC_PTR_FROM_CHUNK(tc);
+}
+
+
+/*
+ setup a destructor to be called on free of a pointer
+ the destructor should return 0 on success, or -1 on failure.
+ if the destructor fails then the free is failed, and the memory can
+ be continued to be used
+*/
+void talloc_set_destructor(const void *ptr, int (*destructor)(void *))
+{
+ struct talloc_chunk *tc = talloc_chunk_from_ptr(ptr);
+ tc->destructor = destructor;
+}
+
+/*
+ increase the reference count on a piece of memory.
+*/
+void talloc_increase_ref_count(const void *ptr)
+{
+ talloc_reference(null_context, ptr);
+}
+
+/*
+ helper for talloc_reference()
+*/
+static int talloc_reference_destructor(void *ptr)
+{
+ struct talloc_reference_handle *handle = ptr;
+ struct talloc_chunk *tc1 = talloc_chunk_from_ptr(ptr);
+ struct talloc_chunk *tc2 = talloc_chunk_from_ptr(handle->ptr);
+ if (tc1->destructor != (talloc_destructor_t)-1) {
+ tc1->destructor = NULL;
+ }
+ _TLIST_REMOVE(tc2->refs, handle);
+ talloc_free(handle);
+ return 0;
+}
+
+/*
+ make a secondary reference to a pointer, hanging off the given context.
+ the pointer remains valid until both the original caller and this given
+ context are freed.
+
+ the major use for this is when two different structures need to reference the
+ same underlying data, and you want to be able to free the two instances separately,
+ and in either order
+*/
+void *talloc_reference(const void *context, const void *ptr)
+{
+ struct talloc_chunk *tc;
+ struct talloc_reference_handle *handle;
+ if (ptr == NULL) return NULL;
+
+ tc = talloc_chunk_from_ptr(ptr);
+ handle = talloc_named_const(context, sizeof(*handle), TALLOC_MAGIC_REFERENCE);
+
+ if (handle == NULL) return NULL;
+
+ /* note that we hang the destructor off the handle, not the
+ main context as that allows the caller to still setup their
+ own destructor on the context if they want to */
+ talloc_set_destructor(handle, talloc_reference_destructor);
+ handle->ptr = discard_const_p(void, ptr);
+ _TLIST_ADD(tc->refs, handle);
+ return handle->ptr;
+}
+
+/*
+ remove a secondary reference to a pointer. This undo's what
+ talloc_reference() has done. The context and pointer arguments
+ must match those given to a talloc_reference()
+*/
+static int talloc_unreference(const void *context, const void *ptr)
+{
+ struct talloc_chunk *tc = talloc_chunk_from_ptr(ptr);
+ struct talloc_reference_handle *h;
+
+ if (context == NULL) {
+ context = null_context;
+ }
+
+ for (h=tc->refs;h;h=h->next) {
+ struct talloc_chunk *p = talloc_parent_chunk(h);
+ if ((p==NULL && context==NULL) || TC_PTR_FROM_CHUNK(p) == context) break;
+ }
+ if (h == NULL) {
+ return -1;
+ }
+
+ talloc_set_destructor(h, NULL);
+ _TLIST_REMOVE(tc->refs, h);
+ talloc_free(h);
+ return 0;
+}
+
+/*
+ remove a specific parent context from a pointer. This is a more
+ controlled varient of talloc_free()
+*/
+int talloc_unlink(const void *context, void *ptr)
+{
+ struct talloc_chunk *tc_p, *new_p;
+ void *new_parent;
+
+ if (ptr == NULL) {
+ return -1;
+ }
+
+ if (context == NULL) {
+ context = null_context;
+ }
+
+ if (talloc_unreference(context, ptr) == 0) {
+ return 0;
+ }
+
+ if (context == NULL) {
+ if (talloc_parent_chunk(ptr) != NULL) {
+ return -1;
+ }
+ } else {
+ if (talloc_chunk_from_ptr(context) != talloc_parent_chunk(ptr)) {
+ return -1;
+ }
+ }
+
+ tc_p = talloc_chunk_from_ptr(ptr);
+
+ if (tc_p->refs == NULL) {
+ return talloc_free(ptr);
+ }
+
+ new_p = talloc_parent_chunk(tc_p->refs);
+ if (new_p) {
+ new_parent = TC_PTR_FROM_CHUNK(new_p);
+ } else {
+ new_parent = NULL;
+ }
+
+ if (talloc_unreference(new_parent, ptr) != 0) {
+ return -1;
+ }
+
+ talloc_steal(new_parent, ptr);
+
+ return 0;
+}
+
+/*
+ add a name to an existing pointer - va_list version
+*/
+static void talloc_set_name_v(const void *ptr, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
+
+static void talloc_set_name_v(const void *ptr, const char *fmt, va_list ap)
+{
+ struct talloc_chunk *tc = talloc_chunk_from_ptr(ptr);
+ tc->name = talloc_vasprintf(ptr, fmt, ap);
+ if (tc->name) {
+ talloc_set_name_const(tc->name, ".name");
+ }
+}
+
+/*
+ add a name to an existing pointer
+*/
+void talloc_set_name(const void *ptr, const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ talloc_set_name_v(ptr, fmt, ap);
+ va_end(ap);
+}
+
+/*
+ more efficient way to add a name to a pointer - the name must point to a
+ true string constant
+*/
+void talloc_set_name_const(const void *ptr, const char *name)
+{
+ struct talloc_chunk *tc = talloc_chunk_from_ptr(ptr);
+ tc->name = name;
+}
+
+/*
+ create a named talloc pointer. Any talloc pointer can be named, and
+ talloc_named() operates just like talloc() except that it allows you
+ to name the pointer.
+*/
+void *talloc_named(const void *context, size_t size, const char *fmt, ...)
+{
+ va_list ap;
+ void *ptr;
+
+ ptr = _talloc(context, size);
+ if (ptr == NULL) return NULL;
+
+ va_start(ap, fmt);
+ talloc_set_name_v(ptr, fmt, ap);
+ va_end(ap);
+
+ return ptr;
+}
+
+/*
+ create a named talloc pointer. Any talloc pointer can be named, and
+ talloc_named() operates just like talloc() except that it allows you
+ to name the pointer.
+*/
+void *talloc_named_const(const void *context, size_t size, const char *name)
+{
+ void *ptr;
+
+ ptr = _talloc(context, size);
+ if (ptr == NULL) {
+ return NULL;
+ }
+
+ talloc_set_name_const(ptr, name);
+
+ return ptr;
+}
+
+/*
+ return the name of a talloc ptr, or "UNNAMED"
+*/
+const char *talloc_get_name(const void *ptr)
+{
+ struct talloc_chunk *tc = talloc_chunk_from_ptr(ptr);
+ if (tc->name == TALLOC_MAGIC_REFERENCE) {
+ return ".reference";
+ }
+ if (tc->name) {
+ return tc->name;
+ }
+ return "UNNAMED";
+}
+
+
+/*
+ check if a pointer has the given name. If it does, return the pointer,
+ otherwise return NULL
+*/
+void *talloc_check_name(const void *ptr, const char *name)
+{
+ const char *pname;
+ if (ptr == NULL) return NULL;
+ pname = talloc_get_name(ptr);
+ if (pname == name || strcmp(pname, name) == 0) {
+ return discard_const_p(void, ptr);
+ }
+ return NULL;
+}
+
+
+/*
+ this is for compatibility with older versions of talloc
+*/
+void *talloc_init(const char *fmt, ...)
+{
+ va_list ap;
+ void *ptr;
+
+ ptr = _talloc(NULL, 0);
+ if (ptr == NULL) return NULL;
+
+ va_start(ap, fmt);
+ talloc_set_name_v(ptr, fmt, ap);
+ va_end(ap);
+
+ return ptr;
+}
+
+/*
+ this is a replacement for the Samba3 talloc_destroy_pool functionality. It
+ should probably not be used in new code. It's in here to keep the talloc
+ code consistent across Samba 3 and 4.
+*/
+void talloc_free_children(void *ptr)
+{
+ struct talloc_chunk *tc;
+
+ if (ptr == NULL) {
+ return;
+ }
+
+ tc = talloc_chunk_from_ptr(ptr);
+
+ while (tc->child) {
+ /* we need to work out who will own an abandoned child
+ if it cannot be freed. In priority order, the first
+ choice is owner of any remaining reference to this
+ pointer, the second choice is our parent, and the
+ final choice is the null context. */
+ void *child = TC_PTR_FROM_CHUNK(tc->child);
+ const void *new_parent = null_context;
+ if (tc->child->refs) {
+ struct talloc_chunk *p = talloc_parent_chunk(tc->child->refs);
+ if (p) new_parent = TC_PTR_FROM_CHUNK(p);
+ }
+ if (talloc_free(child) == -1) {
+ if (new_parent == null_context) {
+ struct talloc_chunk *p = talloc_parent_chunk(ptr);
+ if (p) new_parent = TC_PTR_FROM_CHUNK(p);
+ }
+ talloc_steal(new_parent, child);
+ }
+ }
+}
+
+/*
+ free a talloc pointer. This also frees all child pointers of this
+ pointer recursively
+
+ return 0 if the memory is actually freed, otherwise -1. The memory
+ will not be freed if the ref_count is > 1 or the destructor (if
+ any) returns non-zero
+*/
+int talloc_free(void *ptr)
+{
+ struct talloc_chunk *tc;
+
+ if (ptr == NULL) {
+ return -1;
+ }
+
+ tc = talloc_chunk_from_ptr(ptr);
+
+ if (tc->refs) {
+ talloc_reference_destructor(tc->refs);
+ return -1;
+ }
+
+ if (tc->flags & TALLOC_FLAG_LOOP) {
+ /* we have a free loop - stop looping */
+ return 0;
+ }
+
+ if (tc->destructor) {
+ talloc_destructor_t d = tc->destructor;
+ if (d == (talloc_destructor_t)-1) {
+ return -1;
+ }
+ tc->destructor = (talloc_destructor_t)-1;
+ if (d(ptr) == -1) {
+ tc->destructor = d;
+ return -1;
+ }
+ tc->destructor = NULL;
+ }
+
+ tc->flags |= TALLOC_FLAG_LOOP;
+
+ talloc_free_children(ptr);
+
+ if (tc->parent) {
+ _TLIST_REMOVE(tc->parent->child, tc);
+ if (tc->parent->child) {
+ tc->parent->child->parent = tc->parent;
+ }
+ } else {
+ if (tc->prev) tc->prev->next = tc->next;
+ if (tc->next) tc->next->prev = tc->prev;
+ }
+
+ tc->flags |= TALLOC_FLAG_FREE;
+
+ free(tc);
+ return 0;
+}
+
+
+
+/*
+ A talloc version of realloc. The context argument is only used if
+ ptr is NULL
+*/
+void *_talloc_realloc(const void *context, void *ptr, size_t size, const char *name)
+{
+ struct talloc_chunk *tc;
+ void *new_ptr;
+
+ /* size zero is equivalent to free() */
+ if (size == 0) {
+ talloc_free(ptr);
+ return NULL;
+ }
+
+ if (size >= MAX_TALLOC_SIZE) {
+ return NULL;
+ }
+
+ /* realloc(NULL) is equavalent to malloc() */
+ if (ptr == NULL) {
+ return talloc_named_const(context, size, name);
+ }
+
+ tc = talloc_chunk_from_ptr(ptr);
+
+ /* don't allow realloc on referenced pointers */
+ if (tc->refs) {
+ return NULL;
+ }
+
+ /* by resetting magic we catch users of the old memory */
+ tc->flags |= TALLOC_FLAG_FREE;
+
+#if ALWAYS_REALLOC
+ new_ptr = malloc(size + TC_HDR_SIZE);
+ if (new_ptr) {
+ memcpy(new_ptr, tc, tc->size + TC_HDR_SIZE);
+ free(tc);
+ }
+#else
+ new_ptr = realloc(tc, size + TC_HDR_SIZE);
+#endif
+ if (!new_ptr) {
+ tc->flags &= ~TALLOC_FLAG_FREE;
+ return NULL;
+ }
+
+ tc = new_ptr;
+ tc->flags &= ~TALLOC_FLAG_FREE;
+ if (tc->parent) {
+ tc->parent->child = new_ptr;
+ }
+ if (tc->child) {
+ tc->child->parent = new_ptr;
+ }
+
+ if (tc->prev) {
+ tc->prev->next = tc;
+ }
+ if (tc->next) {
+ tc->next->prev = tc;
+ }
+
+ tc->size = size;
+ talloc_set_name_const(TC_PTR_FROM_CHUNK(tc), name);
+
+ return TC_PTR_FROM_CHUNK(tc);
+}
+
+/*
+ move a lump of memory from one talloc context to another return the
+ ptr on success, or NULL if it could not be transferred.
+ passing NULL as ptr will always return NULL with no side effects.
+*/
+void *talloc_steal(const void *new_ctx, const void *ptr)
+{
+ struct talloc_chunk *tc, *new_tc;
+
+ if (!ptr) {
+ return NULL;
+ }
+
+ if (new_ctx == NULL) {
+ new_ctx = null_context;
+ }
+
+ tc = talloc_chunk_from_ptr(ptr);
+
+ if (new_ctx == NULL) {
+ if (tc->parent) {
+ _TLIST_REMOVE(tc->parent->child, tc);
+ if (tc->parent->child) {
+ tc->parent->child->parent = tc->parent;
+ }
+ } else {
+ if (tc->prev) tc->prev->next = tc->next;
+ if (tc->next) tc->next->prev = tc->prev;
+ }
+
+ tc->parent = tc->next = tc->prev = NULL;
+ return discard_const_p(void, ptr);
+ }
+
+ new_tc = talloc_chunk_from_ptr(new_ctx);
+
+ if (tc == new_tc) {
+ return discard_const_p(void, ptr);
+ }
+
+ if (tc->parent) {
+ _TLIST_REMOVE(tc->parent->child, tc);
+ if (tc->parent->child) {
+ tc->parent->child->parent = tc->parent;
+ }
+ } else {
+ if (tc->prev) tc->prev->next = tc->next;
+ if (tc->next) tc->next->prev = tc->prev;
+ }
+
+ tc->parent = new_tc;
+ if (new_tc->child) new_tc->child->parent = NULL;
+ _TLIST_ADD(new_tc->child, tc);
+
+ return discard_const_p(void, ptr);
+}
+
+/*
+ return the total size of a talloc pool (subtree)
+*/
+off_t talloc_total_size(const void *ptr)
+{
+ off_t total = 0;
+ struct talloc_chunk *c, *tc;
+
+ if (ptr == NULL) {
+ ptr = null_context;
+ }
+ if (ptr == NULL) {
+ return 0;
+ }
+
+ tc = talloc_chunk_from_ptr(ptr);
+
+ if (tc->flags & TALLOC_FLAG_LOOP) {
+ return 0;
+ }
+
+ tc->flags |= TALLOC_FLAG_LOOP;
+
+ total = tc->size;
+ for (c=tc->child;c;c=c->next) {
+ total += talloc_total_size(TC_PTR_FROM_CHUNK(c));
+ }
+
+ tc->flags &= ~TALLOC_FLAG_LOOP;
+
+ return total;
+}
+
+/*
+ return the total number of blocks in a talloc pool (subtree)
+*/
+off_t talloc_total_blocks(const void *ptr)
+{
+ off_t total = 0;
+ struct talloc_chunk *c, *tc = talloc_chunk_from_ptr(ptr);
+
+ if (tc->flags & TALLOC_FLAG_LOOP) {
+ return 0;
+ }
+
+ tc->flags |= TALLOC_FLAG_LOOP;
+
+ total++;
+ for (c=tc->child;c;c=c->next) {
+ total += talloc_total_blocks(TC_PTR_FROM_CHUNK(c));
+ }
+
+ tc->flags &= ~TALLOC_FLAG_LOOP;
+
+ return total;
+}
+
+/*
+ return the number of external references to a pointer
+*/
+static int talloc_reference_count(const void *ptr)
+{
+ struct talloc_chunk *tc = talloc_chunk_from_ptr(ptr);
+ struct talloc_reference_handle *h;
+ int ret = 0;
+
+ for (h=tc->refs;h;h=h->next) {
+ ret++;
+ }
+ return ret;
+}
+
+/*
+ report on memory usage by all children of a pointer, giving a full tree view
+*/
+void talloc_report_depth(const void *ptr, FILE *f, int depth)
+{
+ struct talloc_chunk *c, *tc = talloc_chunk_from_ptr(ptr);
+
+ if (tc->flags & TALLOC_FLAG_LOOP) {
+ return;
+ }
+
+ tc->flags |= TALLOC_FLAG_LOOP;
+
+ for (c=tc->child;c;c=c->next) {
+ if (c->name == TALLOC_MAGIC_REFERENCE) {
+ struct talloc_reference_handle *handle = TC_PTR_FROM_CHUNK(c);
+ const char *name2 = talloc_get_name(handle->ptr);
+ fprintf(f, "%*sreference to: %s\n", depth*4, "", name2);
+ } else {
+ const char *name = talloc_get_name(TC_PTR_FROM_CHUNK(c));
+ fprintf(f, "%*s%-30s contains %6lu bytes in %3lu blocks (ref %d)\n",
+ depth*4, "",
+ name,
+ (unsigned long)talloc_total_size(TC_PTR_FROM_CHUNK(c)),
+ (unsigned long)talloc_total_blocks(TC_PTR_FROM_CHUNK(c)),
+ talloc_reference_count(TC_PTR_FROM_CHUNK(c)));
+ talloc_report_depth(TC_PTR_FROM_CHUNK(c), f, depth+1);
+ }
+ }
+ tc->flags &= ~TALLOC_FLAG_LOOP;
+}
+
+/*
+ report on memory usage by all children of a pointer, giving a full tree view
+*/
+void talloc_report_full(const void *ptr, FILE *f)
+{
+ if (ptr == NULL) {
+ ptr = null_context;
+ }
+ if (ptr == NULL) return;
+
+ fprintf(f,"full talloc report on '%s' (total %lu bytes in %lu blocks)\n",
+ talloc_get_name(ptr),
+ (unsigned long)talloc_total_size(ptr),
+ (unsigned long)talloc_total_blocks(ptr));
+
+ talloc_report_depth(ptr, f, 1);
+ fflush(f);
+}
+
+/*
+ report on memory usage by all children of a pointer
+*/
+void talloc_report(const void *ptr, FILE *f)
+{
+ struct talloc_chunk *c, *tc;
+
+ if (ptr == NULL) {
+ ptr = null_context;
+ }
+ if (ptr == NULL) return;
+
+ fprintf(f,"talloc report on '%s' (total %lu bytes in %lu blocks)\n",
+ talloc_get_name(ptr),
+ (unsigned long)talloc_total_size(ptr),
+ (unsigned long)talloc_total_blocks(ptr));
+
+ tc = talloc_chunk_from_ptr(ptr);
+
+ for (c=tc->child;c;c=c->next) {
+ fprintf(f, "\t%-30s contains %6lu bytes in %3lu blocks\n",
+ talloc_get_name(TC_PTR_FROM_CHUNK(c)),
+ (unsigned long)talloc_total_size(TC_PTR_FROM_CHUNK(c)),
+ (unsigned long)talloc_total_blocks(TC_PTR_FROM_CHUNK(c)));
+ }
+ fflush(f);
+}
+
+/*
+ report on any memory hanging off the null context
+*/
+static void talloc_report_null(void)
+{
+ if (talloc_total_size(null_context) != 0) {
+ talloc_report(null_context, stderr);
+ }
+}
+
+/*
+ report on any memory hanging off the null context
+*/
+static void talloc_report_null_full(void)
+{
+ if (talloc_total_size(null_context) != 0) {
+ talloc_report_full(null_context, stderr);
+ }
+}
+
+/*
+ enable tracking of the NULL context
+*/
+void talloc_enable_null_tracking(void)
+{
+ if (null_context == NULL) {
+ null_context = talloc_named_const(NULL, 0, "null_context");
+ }
+}
+
+/*
+ enable leak reporting on exit
+*/
+void talloc_enable_leak_report(void)
+{
+ talloc_enable_null_tracking();
+ atexit(talloc_report_null);
+}
+
+/*
+ enable full leak reporting on exit
+*/
+void talloc_enable_leak_report_full(void)
+{
+ talloc_enable_null_tracking();
+ atexit(talloc_report_null_full);
+}
+
+/*
+ talloc and zero memory.
+*/
+void *_talloc_zero(const void *ctx, size_t size, const char *name)
+{
+ void *p = talloc_named_const(ctx, size, name);
+
+ if (p) {
+ memset(p, '\0', size);
+ }
+
+ return p;
+}
+
+
+/*
+ memdup with a talloc.
+*/
+void *_talloc_memdup(const void *t, const void *p, size_t size, const char *name)
+{
+ void *newp = talloc_named_const(t, size, name);
+
+ if (newp) {
+ memcpy(newp, p, size);
+ }
+
+ return newp;
+}
+
+/*
+ strdup with a talloc
+*/
+char *talloc_strdup(const void *t, const char *p)
+{
+ char *ret;
+ if (!p) {
+ return NULL;
+ }
+ ret = talloc_memdup(t, p, strlen(p) + 1);
+ if (ret) {
+ talloc_set_name_const(ret, ret);
+ }
+ return ret;
+}
+
+/*
+ append to a talloced string
+*/
+char *talloc_append_string(const void *t, char *orig, const char *append)
+{
+ char *ret;
+ size_t olen = strlen(orig);
+ size_t alenz = strlen(append) + 1;
+
+ if (!append)
+ return orig;
+
+ ret = talloc_realloc(t, orig, char, olen + alenz);
+ if (!ret)
+ return NULL;
+
+ /* append the string with the trailing \0 */
+ memcpy(&ret[olen], append, alenz);
+
+ return ret;
+}
+
+/*
+ strndup with a talloc
+*/
+char *talloc_strndup(const void *t, const char *p, size_t n)
+{
+ size_t len;
+ char *ret;
+
+ for (len=0; len<n && p[len]; len++) ;
+
+ ret = _talloc(t, len + 1);
+ if (!ret) { return NULL; }
+ memcpy(ret, p, len);
+ ret[len] = 0;
+ talloc_set_name_const(ret, ret);
+ return ret;
+}
+
+#ifndef VA_COPY
+#ifdef HAVE_VA_COPY
+#define VA_COPY(dest, src) va_copy(dest, src)
+#elif defined(HAVE___VA_COPY)
+#define VA_COPY(dest, src) __va_copy(dest, src)
+#else
+#define VA_COPY(dest, src) (dest) = (src)
+#endif
+#endif
+
+char *talloc_vasprintf(const void *t, const char *fmt, va_list ap)
+{
+ int len;
+ char *ret;
+ va_list ap2;
+
+ VA_COPY(ap2, ap);
+
+ len = vsnprintf(NULL, 0, fmt, ap2);
+
+ ret = _talloc(t, len+1);
+ if (ret) {
+ VA_COPY(ap2, ap);
+ vsnprintf(ret, len+1, fmt, ap2);
+ talloc_set_name_const(ret, ret);
+ }
+
+ return ret;
+}
+
+
+/*
+ Perform string formatting, and return a pointer to newly allocated
+ memory holding the result, inside a memory pool.
+ */
+char *talloc_asprintf(const void *t, const char *fmt, ...)
+{
+ va_list ap;
+ char *ret;
+
+ va_start(ap, fmt);
+ ret = talloc_vasprintf(t, fmt, ap);
+ va_end(ap);
+ return ret;
+}
+
+
+/**
+ * Realloc @p s to append the formatted result of @p fmt and @p ap,
+ * and return @p s, which may have moved. Good for gradually
+ * accumulating output into a string buffer.
+ **/
+
+static char *talloc_vasprintf_append(char *s, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
+
+static char *talloc_vasprintf_append(char *s, const char *fmt, va_list ap)
+{
+ struct talloc_chunk *tc;
+ int len, s_len;
+ va_list ap2;
+
+ if (s == NULL) {
+ return talloc_vasprintf(NULL, fmt, ap);
+ }
+
+ tc = talloc_chunk_from_ptr(s);
+
+ VA_COPY(ap2, ap);
+
+ s_len = tc->size - 1;
+ len = vsnprintf(NULL, 0, fmt, ap2);
+
+ s = talloc_realloc(NULL, s, char, s_len + len+1);
+ if (!s) return NULL;
+
+ VA_COPY(ap2, ap);
+
+ vsnprintf(s+s_len, len+1, fmt, ap2);
+ talloc_set_name_const(s, s);
+
+ return s;
+}
+
+/*
+ Realloc @p s to append the formatted result of @p fmt and return @p
+ s, which may have moved. Good for gradually accumulating output
+ into a string buffer.
+ */
+char *talloc_asprintf_append(char *s, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ s = talloc_vasprintf_append(s, fmt, ap);
+ va_end(ap);
+ return s;
+}
+
+/*
+ alloc an array, checking for integer overflow in the array size
+*/
+void *_talloc_array(const void *ctx, size_t el_size, unsigned count, const char *name)
+{
+ if (count >= MAX_TALLOC_SIZE/el_size) {
+ return NULL;
+ }
+ return talloc_named_const(ctx, el_size * count, name);
+}
+
+/*
+ alloc an zero array, checking for integer overflow in the array size
+*/
+void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name)
+{
+ if (count >= MAX_TALLOC_SIZE/el_size) {
+ return NULL;
+ }
+ return _talloc_zero(ctx, el_size * count, name);
+}
+
+
+/*
+ realloc an array, checking for integer overflow in the array size
+*/
+void *_talloc_realloc_array(const void *ctx, void *ptr, size_t el_size, unsigned count, const char *name)
+{
+ if (count >= MAX_TALLOC_SIZE/el_size) {
+ return NULL;
+ }
+ return _talloc_realloc(ctx, ptr, el_size * count, name);
+}
+
+/*
+ a function version of talloc_realloc(), so it can be passed as a function pointer
+ to libraries that want a realloc function (a realloc function encapsulates
+ all the basic capabilities of an allocation library, which is why this is useful)
+*/
+void *talloc_realloc_fn(const void *context, void *ptr, size_t size)
+{
+ return _talloc_realloc(context, ptr, size, NULL);
+}
+
+
+static void talloc_autofree(void)
+{
+ talloc_free(cleanup_context);
+ cleanup_context = NULL;
+}
+
+/*
+ return a context which will be auto-freed on exit
+ this is useful for reducing the noise in leak reports
+*/
+void *talloc_autofree_context(void)
+{
+ if (cleanup_context == NULL) {
+ cleanup_context = talloc_named_const(NULL, 0, "autofree_context");
+ atexit(talloc_autofree);
+ }
+ return cleanup_context;
+}
+
+size_t talloc_get_size(const void *context)
+{
+ struct talloc_chunk *tc;
+
+ if (context == NULL)
+ return 0;
+
+ tc = talloc_chunk_from_ptr(context);
+
+ return tc->size;
+}
+
+/*
+ find a parent of this context that has the given name, if any
+*/
+void *talloc_find_parent_byname(const void *context, const char *name)
+{
+ struct talloc_chunk *tc;
+
+ if (context == NULL) {
+ return NULL;
+ }
+
+ tc = talloc_chunk_from_ptr(context);
+ while (tc) {
+ if (tc->name && strcmp(tc->name, name) == 0) {
+ return TC_PTR_FROM_CHUNK(tc);
+ }
+ while (tc && tc->prev) tc = tc->prev;
+ tc = tc->parent;
+ }
+ return NULL;
+}
+
+/*
+ show the parentage of a context
+*/
+void talloc_show_parents(const void *context, FILE *file)
+{
+ struct talloc_chunk *tc;
+
+ if (context == NULL) {
+ fprintf(file, "talloc no parents for NULL\n");
+ return;
+ }
+
+ tc = talloc_chunk_from_ptr(context);
+ fprintf(file, "talloc parents of '%s'\n", talloc_get_name(context));
+ while (tc) {
+ fprintf(file, "\t'%s'\n", talloc_get_name(TC_PTR_FROM_CHUNK(tc)));
+ while (tc && tc->prev) tc = tc->prev;
+ tc = tc->parent;
+ }
+}
============================================================
--- talloc.h 93d0d39c69867d4c2bbf425dd24b582d61165ca5
+++ talloc.h 93d0d39c69867d4c2bbf425dd24b582d61165ca5
@@ -0,0 +1,137 @@
+#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
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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__
+
+#ifndef TALLOC_DEPRECATED
+#define TALLOC_DEPRECATED 0
+#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_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_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
+
+#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);
+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_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_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);
+
+#endif
+