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authorNick Alcock <nick.alcock@oracle.com>2021-02-18 16:56:23 +0000
committerNick Alcock <nick.alcock@oracle.com>2021-03-02 15:08:03 +0000
commiteaa2913a7acead8654e7e79ba13c0d22fd70a452 (patch)
tree9c83d0400a69f9c4b3551f6b8c3b6f3c1e6f4af9 /libctf
parentb80e421f9136117389be9d96210b35b3d562d725 (diff)
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libctf: ctf_archive_next should set the parent name consistently
The top level of CTF containers is a "CTF archive", which contains a collection of named members (each a CTF dictionary). In the serialized file format, this is optional and skipped if the archive would have only one member, as when no ambiguous types are present: so it is commonplace to have a simple ctf_dict_t written out, with no archive container wrapped around it. But, unlike ctf_archive_iter, ctf_archive_next didn't quite handle this case right. It should set the name of this fake "member" to _CTF_SECTION, i.e. ".ctf", but it was failing to do so, so callers got an unintialized variable back instead and were understandably confused. So set the name properly. libctf/ChangeLog 2021-03-02 Nick Alcock <nick.alcock@oracle.com> * ctf-archive.c (ctf_archive_next): Set the name of parents in single-member archives.
Diffstat (limited to 'libctf')
-rw-r--r--libctf/ChangeLog5
-rw-r--r--libctf/ctf-archive.c2
2 files changed, 7 insertions, 0 deletions
diff --git a/libctf/ChangeLog b/libctf/ChangeLog
index da27a8f..db44cae 100644
--- a/libctf/ChangeLog
+++ b/libctf/ChangeLog
@@ -1,3 +1,8 @@
+2021-03-02 Nick Alcock <nick.alcock@oracle.com>
+
+ * ctf-archive.c (ctf_archive_next): Set the name of parents in
+ single-member archives.
+
2021-02-26 Alan Modra <amodra@gmail.com>
* Makefile.in: Regenerate.
diff --git a/libctf/ctf-archive.c b/libctf/ctf-archive.c
index 6d9c75c..6e1bf15 100644
--- a/libctf/ctf-archive.c
+++ b/libctf/ctf-archive.c
@@ -1165,6 +1165,8 @@ ctf_archive_next (const ctf_archive_t *wrapper, ctf_next_t **it, const char **na
if (!skip_parent)
{
wrapper->ctfi_dict->ctf_refcnt++;
+ if (name)
+ *name = _CTF_SECTION;
return wrapper->ctfi_dict;
}
}