diff options
Diffstat (limited to 'src/H5Oginfo.c')
| -rw-r--r-- | src/H5Oginfo.c | 41 |
1 files changed, 14 insertions, 27 deletions
diff --git a/src/H5Oginfo.c b/src/H5Oginfo.c index 54d8b8b..df45e53 100644 --- a/src/H5Oginfo.c +++ b/src/H5Oginfo.c @@ -13,10 +13,8 @@ /*------------------------------------------------------------------------- * * Created: H5Oginfo.c - * Aug 23 2005 - * Quincey Koziol * - * Purpose: Group Information messages. + * Purpose: Group Information messages * *------------------------------------------------------------------------- */ @@ -78,34 +76,24 @@ H5FL_DEFINE_STATIC(H5O_ginfo_t); * Purpose: Decode a message and return a pointer to * a newly allocated one. * - * Return: Success: Ptr to new message in native order. - * - * Failure: NULL - * - * Programmer: Quincey Koziol - * Aug 30 2005 - * + * Return: Success: Pointer to new message in native order + * Failure: NULL *------------------------------------------------------------------------- */ static void * H5O__ginfo_decode(H5F_t H5_ATTR_UNUSED *f, H5O_t H5_ATTR_UNUSED *open_oh, unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, size_t p_size, const uint8_t *p) { - H5O_ginfo_t *ginfo = NULL; /* Pointer to group information message */ - unsigned char flags; /* Flags for encoding group info */ - void *ret_value = NULL; /* Return value */ + H5O_ginfo_t *ginfo = NULL; /* Pointer to group information message */ + unsigned char flags; /* Flags for encoding group info */ + const uint8_t *p_end = p + p_size - 1; /* End of the p buffer */ + void *ret_value = NULL; FUNC_ENTER_PACKAGE - /* check args */ + HDassert(f); HDassert(p); - if (p_size == 0) - HGOTO_ERROR(H5E_OHDR, H5E_ARGS, NULL, "size of given ginfo was zero") - - /* Points at last valid byte in buffer */ - const uint8_t *p_end = p + p_size - 1; - /* Version of message */ if (H5_IS_BUFFER_OVERFLOW(p, 1, p_end)) HGOTO_ERROR(H5E_OHDR, H5E_OVERFLOW, NULL, "ran off end of input buffer while decoding") @@ -132,11 +120,11 @@ H5O__ginfo_decode(H5F_t H5_ATTR_UNUSED *f, H5O_t H5_ATTR_UNUSED *open_oh, unsign HGOTO_ERROR(H5E_OHDR, H5E_OVERFLOW, NULL, "ran off end of input buffer while decoding") UINT16DECODE(p, ginfo->max_compact) UINT16DECODE(p, ginfo->min_dense) - } /* end if */ + } else { ginfo->max_compact = H5G_CRT_GINFO_MAX_COMPACT; ginfo->min_dense = H5G_CRT_GINFO_MIN_DENSE; - } /* end else */ + } /* Get the estimated # of entries & name lengths */ if (ginfo->store_est_entry_info) { @@ -144,19 +132,18 @@ H5O__ginfo_decode(H5F_t H5_ATTR_UNUSED *f, H5O_t H5_ATTR_UNUSED *open_oh, unsign HGOTO_ERROR(H5E_OHDR, H5E_OVERFLOW, NULL, "ran off end of input buffer while decoding") UINT16DECODE(p, ginfo->est_num_entries) UINT16DECODE(p, ginfo->est_name_len) - } /* end if */ + } else { ginfo->est_num_entries = H5G_CRT_GINFO_EST_NUM_ENTRIES; ginfo->est_name_len = H5G_CRT_GINFO_EST_NAME_LEN; - } /* end if */ + } /* Set return value */ ret_value = ginfo; done: - if (ret_value == NULL) - if (ginfo != NULL) - ginfo = H5FL_FREE(H5O_ginfo_t, ginfo); + if (!ret_value && ginfo) + H5FL_FREE(H5O_ginfo_t, ginfo); FUNC_LEAVE_NOAPI(ret_value) } /* end H5O__ginfo_decode() */ |