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-rw-r--r--source4/lib/talloc/talloc.c33
-rw-r--r--source4/lib/talloc/talloc.h1
2 files changed, 27 insertions, 7 deletions
diff --git a/source4/lib/talloc/talloc.c b/source4/lib/talloc/talloc.c
index 9dd7ef36c7..08d4cb93a6 100644
--- a/source4/lib/talloc/talloc.c
+++ b/source4/lib/talloc/talloc.c
@@ -1121,14 +1121,33 @@ void *talloc_find_parent_byname(const void *context, const char *name)
}
tc = talloc_chunk_from_ptr(context);
- while (tc->prev) {
- tc = tc->prev;
- }
- while (tc->parent && (!tc->name || strcmp(tc->name, name))) {
+ while (tc) {
+ if (tc->name && strcmp(tc->name, name) == 0) {
+ return (void*)(tc+1);
+ }
+ while (tc && tc->prev) tc = tc->prev;
tc = tc->parent;
}
- if (tc == NULL || tc->name == NULL || strcmp(tc->name, name)) {
- return NULL;
+ 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+1));
+ while (tc && tc->prev) tc = tc->prev;
+ tc = tc->parent;
}
- return (void *)(tc+1);
}
diff --git a/source4/lib/talloc/talloc.h b/source4/lib/talloc/talloc.h
index 5160a3874a..04d5cbb9af 100644
--- a/source4/lib/talloc/talloc.h
+++ b/source4/lib/talloc/talloc.h
@@ -130,6 +130,7 @@ 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