diff options
Diffstat (limited to 'libctf')
| -rw-r--r-- | libctf/ChangeLog | 6 | ||||
| -rw-r--r-- | libctf/ctf-create.c | 12 |
2 files changed, 16 insertions, 2 deletions
diff --git a/libctf/ChangeLog b/libctf/ChangeLog index 9b0dad9..10178bc 100644 --- a/libctf/ChangeLog +++ b/libctf/ChangeLog @@ -1,5 +1,11 @@ 2021-01-27 Nick Alcock <nick.alcock@oracle.com> + * ctf-create.c (ctf_add_encoded): Add check for non-empty name. + (ctf_add_forward): Likewise. + (ctf_add_typedef): Likewise. + +2021-01-27 Nick Alcock <nick.alcock@oracle.com> + * ctf-open.c (init_types): Rip out code to check anonymous typedef nodes. * ctf-create.c (ctf_add_reftype): Likewise. diff --git a/libctf/ctf-create.c b/libctf/ctf-create.c index cf47384..cf12557 100644 --- a/libctf/ctf-create.c +++ b/libctf/ctf-create.c @@ -1595,6 +1595,9 @@ ctf_add_encoded (ctf_dict_t *fp, uint32_t flag, if (ep == NULL) return (ctf_set_errno (fp, EINVAL)); + if (name == NULL || name[0] == '\0') + return (ctf_set_errno (fp, ECTF_NONAME)); + if ((type = ctf_add_generic (fp, flag, name, kind, &dtd)) == CTF_ERR) return CTF_ERR; /* errno is set for us. */ @@ -1961,11 +1964,13 @@ ctf_add_forward (ctf_dict_t *fp, uint32_t flag, const char *name, if (!ctf_forwardable_kind (kind)) return (ctf_set_errno (fp, ECTF_NOTSUE)); + if (name == NULL || name[0] == '\0') + return (ctf_set_errno (fp, ECTF_NONAME)); + /* If the type is already defined or exists as a forward tag, just return the ctf_id_t of the existing definition. */ - if (name != NULL) - type = ctf_lookup_by_rawname (fp, kind, name); + type = ctf_lookup_by_rawname (fp, kind, name); if (type) return type; @@ -1990,6 +1995,9 @@ ctf_add_typedef (ctf_dict_t *fp, uint32_t flag, const char *name, if (ref == CTF_ERR || ref > CTF_MAX_TYPE) return (ctf_set_errno (fp, EINVAL)); + if (name == NULL || name[0] == '\0') + return (ctf_set_errno (fp, ECTF_NONAME)); + if (ref != 0 && ctf_lookup_by_id (&tmp, ref) == NULL) return CTF_ERR; /* errno is set for us. */ |