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author | Dana Robinson <derobins@hdfgroup.org> | 2017-05-31 22:07:49 (GMT) |
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committer | Dana Robinson <derobins@hdfgroup.org> | 2017-05-31 22:07:49 (GMT) |
commit | 1e9354bcf551c16f3ad9d6a4ad42a2bce827c95e (patch) | |
tree | 20d28f7dd91b67f06880d6ca6566c1caa3dc06ae /src/H5FD.c | |
parent | 734aebc39538039c6e81db63edd68eb3a2029cd2 (diff) | |
parent | 5c5ea7e89fbac1d31880d61e6a35ff6034019078 (diff) | |
download | hdf5-1e9354bcf551c16f3ad9d6a4ad42a2bce827c95e.zip hdf5-1e9354bcf551c16f3ad9d6a4ad42a2bce827c95e.tar.gz hdf5-1e9354bcf551c16f3ad9d6a4ad42a2bce827c95e.tar.bz2 |
Merge branch 'develop' into windows_open
Diffstat (limited to 'src/H5FD.c')
-rw-r--r-- | src/H5FD.c | 79 |
1 files changed, 41 insertions, 38 deletions
@@ -62,7 +62,6 @@ /********************/ static herr_t H5FD_free_cls(H5FD_class_t *cls); static int H5FD_query(const H5FD_t *f, unsigned long *flags/*out*/); -static int H5FD_driver_query(const H5FD_class_t *driver, unsigned long *flags/*out*/); /*********************/ /* Package Variables */ @@ -790,7 +789,8 @@ H5FD_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr) HGOTO_ERROR(H5E_VFL, H5E_UNSUPPORTED, NULL, "file driver has no `open' method") /* Query driver flag */ - H5FD_driver_query(driver, &driver_flags); + if(H5FD_driver_query(driver, &driver_flags) < 0) + HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, NULL, "can't query VFD flags") /* Get initial file image info */ if(H5P_peek(plist, H5F_ACS_FILE_IMAGE_INFO_NAME, &file_image_info) < 0) @@ -1085,42 +1085,6 @@ H5FD_query(const H5FD_t *f, unsigned long *flags/*out*/) /*------------------------------------------------------------------------- -* Function: H5FD_driver_query -* -* Purpose: Similar to H5FD_query(), but intended for cases when we don't -* have a file available (e.g. before one is opened). Since we -* can't use the file to get the driver, the driver is passed in -* as a parameter. -* -* Return: Success: non-negative -* Failure: negative -* -* Programmer: Jacob Gruber -* Wednesday, August 17, 2011 -* -*------------------------------------------------------------------------- -*/ -static int -H5FD_driver_query(const H5FD_class_t *driver, unsigned long *flags/*out*/) -{ - int ret_value = 0; /* Return value */ - - FUNC_ENTER_NOAPI_NOINIT_NOERR - - HDassert(driver); - HDassert(flags); - - /* Check for the driver to query and then query it */ - if(driver->query) - ret_value = (driver->query)(NULL, flags); - else - *flags = 0; - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5FD_driver_query() */ - - -/*------------------------------------------------------------------------- * Function: H5FDalloc * * Purpose: Allocates SIZE bytes of memory from the FILE. The memory will @@ -2076,3 +2040,42 @@ H5FD_set_paged_aggr(H5FD_t *file, hbool_t paged) FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5FD_set_paged_aggr() */ + + +/*------------------------------------------------------------------------- +* Function: H5FDdriver_query +* +* Purpose: Similar to H5FD_query(), but intended for cases when we don't +* have a file available (e.g. before one is opened). Since we +* can't use the file to get the driver, the driver ID is passed +* in as a parameter. +* +* Return: SUCCEED/FAIL +* +* Programmer: Jacob Gruber +* Wednesday, August 17, 2011 +* +*------------------------------------------------------------------------- +*/ +herr_t +H5FDdriver_query(hid_t driver_id, unsigned long *flags/*out*/) +{ + H5FD_class_t *driver = NULL; /* Pointer to VFD class struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "ix", driver_id, flags); + + if(NULL == flags) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "flags parameter cannot be NULL") + + /* Check for the driver to query and then query it */ + if (NULL == (driver = (H5FD_class_t *)H5I_object_verify(driver_id, H5I_VFL))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "not a VFL ID") + if (H5FD_driver_query(driver, flags) < 0) + HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "driver flag query failed") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5FDdriver_query() */ + |