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authorStefan Metzmacher <metze@samba.org>2006-12-15 22:58:06 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 12:16:31 -0500
commit247e1667b00354d0407b8f3de2dc11ba751b1918 (patch)
tree891dc2cf42d835c79d5ec2c9392576c56217f56d /source3/lib
parentb49f0ae01875a2f4fd8f56c8cd2d4ff42b998ef4 (diff)
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r20197: merge talloc fixes from samba4:
- make most static functions inline - handle NULL pointers in talloc_parent_chunk() - use talloc_parent_chunk() in talloc_parent_name() to fix a bug found by the IBM checker metze (This used to be commit c718eb7a7c3cdc4acb25f303a73a3ca478c27af0)
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/talloc/talloc.c36
-rw-r--r--source3/lib/talloc/talloc.h2
2 files changed, 18 insertions, 20 deletions
diff --git a/source3/lib/talloc/talloc.c b/source3/lib/talloc/talloc.c
index 91e02d7e1e..15a44bd0d9 100644
--- a/source3/lib/talloc/talloc.c
+++ b/source3/lib/talloc/talloc.c
@@ -162,10 +162,17 @@ do { \
/*
return the parent chunk of a pointer
*/
-static struct talloc_chunk *talloc_parent_chunk(const void *ptr)
+static inline struct talloc_chunk *talloc_parent_chunk(const void *ptr)
{
- struct talloc_chunk *tc = talloc_chunk_from_ptr(ptr);
+ struct talloc_chunk *tc;
+
+ if (unlikely(ptr == NULL)) {
+ return NULL;
+ }
+
+ tc = talloc_chunk_from_ptr(ptr);
while (tc->prev) tc=tc->prev;
+
return tc->parent;
}
@@ -178,23 +185,12 @@ void *talloc_parent(const void *ptr)
/*
find parents name
*/
-const char *talloc_parent_name(const void *context)
+const char *talloc_parent_name(const void *ptr)
{
- struct talloc_chunk *tc;
-
- if (unlikely(context == NULL)) {
- return NULL;
- }
-
- tc = talloc_chunk_from_ptr(context);
- while (tc && tc->prev) tc = tc->prev;
- if (tc) {
- tc = tc->parent;
- }
- return tc->name;
+ struct talloc_chunk *tc = talloc_parent_chunk(ptr);
+ return tc? tc->name : NULL;
}
-
/*
Allocate a bit of memory as a child of an existing pointer
*/
@@ -265,6 +261,8 @@ int talloc_increase_ref_count(const void *ptr)
/*
helper for talloc_reference()
+
+ this is referenced by a function pointer and should not be inline
*/
static int talloc_reference_destructor(struct talloc_reference_handle *handle)
{
@@ -481,7 +479,7 @@ void *_talloc_steal(const void *new_ctx, const void *ptr)
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)
+static inline int talloc_unreference(const void *context, const void *ptr)
{
struct talloc_chunk *tc = talloc_chunk_from_ptr(ptr);
struct talloc_reference_handle *h;
@@ -561,9 +559,9 @@ int talloc_unlink(const void *context, void *ptr)
/*
add a name to an existing pointer - va_list version
*/
-static const char *talloc_set_name_v(const void *ptr, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
+static inline const char *talloc_set_name_v(const void *ptr, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
-static const char *talloc_set_name_v(const void *ptr, const char *fmt, va_list ap)
+static inline const char *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);
diff --git a/source3/lib/talloc/talloc.h b/source3/lib/talloc/talloc.h
index 27d7d2c423..75c130a275 100644
--- a/source3/lib/talloc/talloc.h
+++ b/source3/lib/talloc/talloc.h
@@ -123,7 +123,7 @@ 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_parent(const void *ptr);
-const char *talloc_parent_name(const void *context);
+const char *talloc_parent_name(const void *ptr);
void *talloc_init(const char *fmt, ...) PRINTF_ATTRIBUTE(1,2);
int talloc_free(void *ptr);
void talloc_free_children(void *ptr);