diff options
Diffstat (limited to 'hdata/hdif.h')
| -rw-r--r-- | hdata/hdif.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/hdata/hdif.h b/hdata/hdif.h index 52df0f1..38df6c2 100644 --- a/hdata/hdif.h +++ b/hdata/hdif.h @@ -63,12 +63,16 @@ struct HDIF_child_ptr { .size = CPU_TO_BE32(_size), \ } -static inline bool HDIF_check(const void *hdif, const char id[]) +static inline bool HDIF_check(const void *hdif, const char *id) { const struct HDIF_common_hdr *hdr = hdif; - return hdr->d1f0 == CPU_TO_BE16(0xd1f0) && - memcmp(hdr->id, id, sizeof(hdr->id)) == 0; + if (hdr->d1f0 != CPU_TO_BE16(0xd1f0)) + return false; + if (id && memcmp(hdr->id, id, sizeof(hdr->id)) != 0) + return false; + + return true; } /* HDIF_get_idata - Get a pointer to internal data block |