libctf: fix hash removal

We must call htab_remove_elt with an element (in this case, a mocked-up
one with only the key populated, since no reasonable hash function will
need the other fields), not with the key alone.

libctf/
	* ctf-hash.c (ctf_dynhash_remove): Call with a mocked-up element.

diff --git a/libctf/ChangeLog b/libctf/ChangeLog
index d91abd2..dd3113b 100644 (file)
--- a/libctf/ChangeLog
+++ b/libctf/ChangeLog
@@ -1,5 +1,9 @@
 2019-06-28  Nick Alcock <nick.alcock@oracle.com>
 
+       * ctf-hash.c (ctf_dynhash_remove): Call with a mocked-up element.
+
+2019-06-28  Nick Alcock <nick.alcock@oracle.com>
+
        * ctf-dump.c (ctf_dump_format_type): Prefix hex strings with 0x.
        (ctf_dump_funcs): Likewise.
 

diff --git a/libctf/ctf-hash.c b/libctf/ctf-hash.c
index adfe93e..03a398e 100644 (file)
--- a/libctf/ctf-hash.c
+++ b/libctf/ctf-hash.c
@@ -176,7 +176,8 @@ ctf_dynhash_insert (ctf_dynhash_t *hp, void *key, void *value)
 void
 ctf_dynhash_remove (ctf_dynhash_t *hp, const void *key)
 {
-  htab_remove_elt (hp->htab, (void *) key);
+  ctf_helem_t hep = { (void *) key, NULL, NULL, NULL };
+  htab_remove_elt (hp->htab, &hep);
 }
 
 void *