/* This internal function adds a new user defined type to the metadata
* of a group of an open file. */
static int
add_user_type(int ncid, size_t size, const char *name, nc_type base_typeid,
nc_type type_class, nc_type *typeidp)
{
NC_HDF5_FILE_INFO_T *h5;
NC_GRP_INFO_T *grp;
char norm_name[NC_MAX_NAME + 1];
int retval;
/* Check and normalize the name. */
if ((retval = nc4_check_name(name, norm_name)))
return retval;
LOG((2, "add_user_type: ncid 0x%x size %d name %s base_typeid %d ",
ncid, size, norm_name, base_typeid));
/* Find group metadata. */
if ((retval = nc4_find_grp_h5(ncid, &grp, &h5)))
return retval;
/* Only netcdf-4 files! */
if (!h5)
return NC_ENOTNC4;
/* Turn on define mode if it is not on. */
if (!(h5->cmode & NC_INDEF))
if ((retval = nc_redef(ncid)))
return retval;
/* No size is provided for vlens or enums, get it from the base type. */
if (type_class == NC_VLEN || type_class == NC_ENUM)
{
if ((retval = nc4_get_typelen_mem(grp->file->nc4_info, base_typeid, 0,
&size)))
return retval;
}
else if (size <= 0)
return NC_EINVAL;
/* Check that this name is not in use as a var, grp, or type. */
if ((retval = nc4_check_dup_name(grp, norm_name)))
return retval;
/* Add to our list of types. */
if ((retval = nc4_type_list_add(&(grp->type), grp->file->nc4_info->next_typeid,
size, norm_name, type_class, base_typeid)))
return retval;
/* Return the typeid to the user. */
if (typeidp)
*typeidp = grp->file->nc4_info->next_typeid;
grp->file->nc4_info->next_typeid++;
return NC_NOERR;
}
/* Get or put attribute metadata from our linked list of file
info. Always locate the attribute by name, never by attnum.
The mem_type is ignored if data=NULL. */
int
nc4_get_att(int ncid, NC *nc, int varid, const char *name,
nc_type *xtype, nc_type mem_type, size_t *lenp,
int *attnum, int is_long, void *data)
{
NC_GRP_INFO_T *grp;
NC_HDF5_FILE_INFO_T *h5;
NC_ATT_INFO_T *att = NULL;
int my_attnum = -1;
int need_to_convert = 0;
int range_error = NC_NOERR;
void *bufr = NULL;
size_t type_size;
char norm_name[NC_MAX_NAME + 1];
int i;
int retval = NC_NOERR;
if (attnum)
my_attnum = *attnum;
assert(nc && NC4_DATA(nc));
LOG((3, "%s: ncid 0x%x varid %d name %s attnum %d mem_type %d",
__func__, ncid, varid, name, my_attnum, mem_type));
/* Find info for this file and group, and set pointer to each. */
h5 = NC4_DATA(nc);
if (!(grp = nc4_rec_find_grp(h5->root_grp, (ncid & GRP_ID_MASK))))
BAIL(NC_EBADGRPID);
/* Normalize name. */
if ((retval = nc4_normalize_name(name, norm_name)))
BAIL(retval);
/* Find the attribute, if it exists. If we don't find it, we are
major failures. */
if ((retval = nc4_find_grp_att(grp, varid, norm_name, my_attnum, &att)))
BAIL(retval);
/* If mem_type is NC_NAT, it means we want to use the attribute's
* file type as the mem type as well. */
if (mem_type == NC_NAT)
mem_type = att->nc_typeid;
/* If the attribute is NC_CHAR, and the mem_type isn't, or vice
* versa, that's a freakish attempt to convert text to
* numbers. Some pervert out there is trying to pull a fast one!
* Send him an NC_ECHAR error...*/
if (data && att->len &&
((att->nc_typeid == NC_CHAR && mem_type != NC_CHAR) ||
(att->nc_typeid != NC_CHAR && mem_type == NC_CHAR)))
BAIL(NC_ECHAR); /* take that, you freak! */
/* Copy the info. */
if (lenp)
*lenp = att->len;
if (xtype)
*xtype = att->nc_typeid;
if (attnum)
*attnum = att->attnum;
/* Zero len attributes are easy to read! */
if (!att->len)
BAIL(NC_NOERR);
/* Later on, we will need to know the size of this type. */
if ((retval = nc4_get_typelen_mem(h5, mem_type, is_long, &type_size)))
BAIL(retval);
/* We may have to convert data. Treat NC_CHAR the same as
* NC_UBYTE. If the mem_type is NAT, don't try any conversion - use
* the attribute's type. */
if (data && att->len && mem_type != att->nc_typeid &&
mem_type != NC_NAT &&
!(mem_type == NC_CHAR &&
(att->nc_typeid == NC_UBYTE || att->nc_typeid == NC_BYTE)))
{
if (!(bufr = malloc((size_t)(att->len * type_size))))
BAIL(NC_ENOMEM);
need_to_convert++;
if ((retval = nc4_convert_type(att->data, bufr, att->nc_typeid,
mem_type, (size_t)att->len, &range_error,
NULL, (h5->cmode & NC_CLASSIC_MODEL), 0, is_long)))
BAIL(retval);
/* For strict netcdf-3 rules, ignore erange errors between UBYTE
* and BYTE types. */
if ((h5->cmode & NC_CLASSIC_MODEL) &&
(att->nc_typeid == NC_UBYTE || att->nc_typeid == NC_BYTE) &&
(mem_type == NC_UBYTE || mem_type == NC_BYTE) &&
range_error)
range_error = 0;
}
else
{
bufr = att->data;
}
/* If the caller wants data, copy it for him. If he hasn't
allocated enough memory for it, he will burn in segmentation
fault hell, writhing with the agony of undiscovered memory
bugs! */
if (data)
{
if (att->vldata)
{
size_t base_typelen;
hvl_t *vldest = data;
NC_TYPE_INFO_T *type;
/* Get the type object for the attribute's type */
if ((retval = nc4_find_type(h5, att->nc_typeid, &type)))
BAIL(retval);
/* Retrieve the size of the base type */
if ((retval = nc4_get_typelen_mem(h5, type->u.v.base_nc_typeid, 0, &base_typelen)))
BAIL(retval);
for (i = 0; i < att->len; i++)
{
vldest[i].len = att->vldata[i].len;
if (!(vldest[i].p = malloc(vldest[i].len * base_typelen)))
BAIL(NC_ENOMEM);
memcpy(vldest[i].p, att->vldata[i].p, vldest[i].len * base_typelen);
}
}
else if (att->stdata)
{
for (i = 0; i < att->len; i++)
{
/* Check for NULL pointer for string (valid in HDF5) */
if(att->stdata[i])
{
if (!(((char **)data)[i] = strdup(att->stdata[i])))
BAIL(NC_ENOMEM);
}
else
((char **)data)[i] = att->stdata[i];
}
}
else
{
/* For long types, we need to handle this special... */
if (is_long && att->nc_typeid == NC_INT)
{
long *lp = data;
int *ip = bufr;
for (i = 0; i < att->len; i++)
*lp++ = *ip++;
}
else
memcpy(data, bufr, (size_t)(att->len * type_size));
}
}
exit:
if (need_to_convert)
free(bufr);
if (range_error)
retval = NC_ERANGE;
return retval;
}
/**
* @internal
* Write an attribute to a netCDF-4/HDF5 file, converting
* data type if necessary.
*
* @param ncid File and group ID.
* @param varid Variable ID.
* @param name Name of attribute.
* @param file_type Type of the attribute data in file.
* @param len Number of elements in attribute array.
* @param data Attribute data.
* @param mem_type Type of data in memory.
* @param force write even if the attribute is special
*
* @return ::NC_NOERR No error.
* @return ::NC_EINVAL Invalid parameters.
* @return ::NC_EBADID Bad ncid.
* @return ::NC_ENOTVAR Variable not found.
* @return ::NC_EBADNAME Name contains illegal characters.
* @return ::NC_ENAMEINUSE Name already in use.
* @author Ed Hartnett, Dennis Heimbigner
*/
int
nc4_put_att(NC_GRP_INFO_T* grp, int varid, const char *name, nc_type file_type,
size_t len, const void *data, nc_type mem_type, int force)
{
NC* nc;
NC_FILE_INFO_T *h5;
NC_VAR_INFO_T *var = NULL;
NCindex* attlist = NULL;
NC_ATT_INFO_T* att;
char norm_name[NC_MAX_NAME + 1];
nc_bool_t new_att = NC_FALSE;
int retval = NC_NOERR, range_error = 0;
size_t type_size;
int i;
int ret;
int ncid;
h5 = grp->nc4_info;
nc = h5->controller;
assert(nc && grp && h5);
ncid = nc->ext_ncid | grp->hdr.id;
/* Find att, if it exists. (Must check varid first or nc_test will
* break.) */
if ((ret = getattlist(grp, varid, &var, &attlist)))
return ret;
/* The length needs to be positive (cast needed for braindead
systems with signed size_t). */
if((unsigned long) len > X_INT_MAX)
return NC_EINVAL;
/* Check name before LOG statement. */
if (!name || strlen(name) > NC_MAX_NAME)
return NC_EBADNAME;
LOG((1, "%s: ncid 0x%x varid %d name %s file_type %d mem_type %d len %d",
__func__,ncid, varid, name, file_type, mem_type, len));
/* If len is not zero, then there must be some data. */
if (len && !data)
return NC_EINVAL;
/* If the file is read-only, return an error. */
if (h5->no_write)
return NC_EPERM;
/* Check and normalize the name. */
if ((retval = nc4_check_name(name, norm_name)))
return retval;
/* Check that a reserved att name is not being used improperly */
const NC_reservedatt* ra = NC_findreserved(name);
if(ra != NULL && !force) {
/* case 1: grp=root, varid==NC_GLOBAL, flags & READONLYFLAG */
if (nc->ext_ncid == ncid && varid == NC_GLOBAL && grp->parent == NULL
&& (ra->flags & READONLYFLAG))
return NC_ENAMEINUSE;
/* case 2: grp=NA, varid!=NC_GLOBAL, flags & DIMSCALEFLAG */
if (varid != NC_GLOBAL && (ra->flags & DIMSCALEFLAG))
return NC_ENAMEINUSE;
}
/* See if there is already an attribute with this name. */
att = (NC_ATT_INFO_T*)ncindexlookup(attlist,norm_name);
LOG((1, "%s: ncid 0x%x varid %d name %s file_type %d mem_type %d len %d",
__func__, ncid, varid, name, file_type, mem_type, len));
if (!att)
{
/* If this is a new att, require define mode. */
if (!(h5->flags & NC_INDEF))
{
if (h5->cmode & NC_CLASSIC_MODEL)
return NC_ENOTINDEFINE;
if ((retval = NC4_redef(ncid)))
BAIL(retval);
}
new_att = NC_TRUE;
}
else
{
/* For an existing att, if we're not in define mode, the len
must not be greater than the existing len for classic model. */
if (!(h5->flags & NC_INDEF) &&
len * nc4typelen(file_type) > (size_t)att->len * nc4typelen(att->nc_typeid))
{
if (h5->cmode & NC_CLASSIC_MODEL)
return NC_ENOTINDEFINE;
if ((retval = NC4_redef(ncid)))
BAIL(retval);
}
}
/* We must have two valid types to continue. */
if (file_type == NC_NAT || mem_type == NC_NAT)
return NC_EBADTYPE;
/* Get information about this type. */
if ((retval = nc4_get_typelen_mem(h5, file_type, &type_size)))
return retval;
/* No character conversions are allowed. */
if (file_type != mem_type &&
(file_type == NC_CHAR || mem_type == NC_CHAR ||
file_type == NC_STRING || mem_type == NC_STRING))
return NC_ECHAR;
/* For classic mode file, only allow atts with classic types to be
* created. */
if (h5->cmode & NC_CLASSIC_MODEL && file_type > NC_DOUBLE)
return NC_ESTRICTNC3;
/* Add to the end of the attribute list, if this att doesn't
already exist. */
if (new_att)
{
LOG((3, "adding attribute %s to the list...", norm_name));
if ((ret = nc4_att_list_add(attlist, norm_name, &att)))
BAIL(ret);
/* Allocate storage for the HDF5 specific att info. */
if (!(att->format_att_info = calloc(1, sizeof(NC_HDF5_ATT_INFO_T))))
BAIL(NC_ENOMEM);
}
/* Now fill in the metadata. */
att->dirty = NC_TRUE;
att->nc_typeid = file_type;
/* If this att has vlen or string data, release it before we lose the length value. */
if (att->stdata)
{
for (i = 0; i < att->len; i++)
if(att->stdata[i])
free(att->stdata[i]);
free(att->stdata);
att->stdata = NULL;
}
if (att->vldata)
{
for (i = 0; i < att->len; i++)
nc_free_vlen(&att->vldata[i]); /* FIX: see warning of nc_free_vlen */
free(att->vldata);
att->vldata = NULL;
}
att->len = len;
/* If this is the _FillValue attribute, then we will also have to
* copy the value to the fill_vlue pointer of the NC_VAR_INFO_T
* struct for this var. (But ignore a global _FillValue
* attribute). */
if (!strcmp(att->hdr.name, _FillValue) && varid != NC_GLOBAL)
{
int size;
/* Fill value must be same type and have exactly one value */
if (att->nc_typeid != var->type_info->hdr.id)
return NC_EBADTYPE;
if (att->len != 1)
return NC_EINVAL;
/* If we already wrote to the dataset, then return an error. */
if (var->written_to)
return NC_ELATEFILL;
/* Get the length of the veriable data type. */
if ((retval = nc4_get_typelen_mem(grp->nc4_info, var->type_info->hdr.id,
&type_size)))
return retval;
/* Already set a fill value? Now I'll have to free the old
* one. Make up your damn mind, would you? */
if (var->fill_value)
{
if (var->type_info->nc_type_class == NC_VLEN)
{
if ((retval = nc_free_vlen(var->fill_value)))
return retval;
}
else if (var->type_info->nc_type_class == NC_STRING)
{
if (*(char **)var->fill_value)
free(*(char **)var->fill_value);
}
free(var->fill_value);
}
/* Determine the size of the fill value in bytes. */
if (var->type_info->nc_type_class == NC_VLEN)
size = sizeof(hvl_t);
else if (var->type_info->nc_type_class == NC_STRING)
size = sizeof(char *);
else
size = type_size;
/* Allocate space for the fill value. */
if (!(var->fill_value = calloc(1, size)))
return NC_ENOMEM;
/* Copy the fill_value. */
LOG((4, "Copying fill value into metadata for variable %s", var->hdr.name));
if (var->type_info->nc_type_class == NC_VLEN)
{
nc_vlen_t *in_vlen = (nc_vlen_t *)data, *fv_vlen = (nc_vlen_t *)(var->fill_value);
NC_TYPE_INFO_T* basetype;
size_t basetypesize = 0;
/* get the basetype and its size */
basetype = var->type_info;
if ((retval = nc4_get_typelen_mem(grp->nc4_info, basetype->hdr.id, &basetypesize)))
return retval;
/* shallow clone the content of the vlen; shallow because it has only a temporary existence */
fv_vlen->len = in_vlen->len;
if (!(fv_vlen->p = malloc(basetypesize * in_vlen->len)))
return NC_ENOMEM;
memcpy(fv_vlen->p, in_vlen->p, in_vlen->len * basetypesize);
}
else if (var->type_info->nc_type_class == NC_STRING)
{
if (*(char **)data)
{
if (!(*(char **)(var->fill_value) = malloc(strlen(*(char **)data) + 1)))
return NC_ENOMEM;
strcpy(*(char **)var->fill_value, *(char **)data);
}
else
*(char **)var->fill_value = NULL;
}
else
memcpy(var->fill_value, data, type_size);
/* Indicate that the fill value was changed, if the variable has already
* been created in the file, so the dataset gets deleted and re-created. */
if (var->created)
var->fill_val_changed = NC_TRUE;
}
/* Copy the attribute data, if there is any. VLENs and string
* arrays have to be handled specially. */
if (att->len)
{
nc_type type_class; /* Class of attribute's type */
/* Get class for this type. */
if ((retval = nc4_get_typeclass(h5, file_type, &type_class)))
return retval;
assert(data);
if (type_class == NC_VLEN)
{
const hvl_t *vldata1;
NC_TYPE_INFO_T *vltype;
size_t base_typelen;
/* Get the type object for the attribute's type */
if ((retval = nc4_find_type(h5, file_type, &vltype)))
BAIL(retval);
/* Retrieve the size of the base type */
if ((retval = nc4_get_typelen_mem(h5, vltype->u.v.base_nc_typeid, &base_typelen)))
BAIL(retval);
vldata1 = data;
if (!(att->vldata = (nc_vlen_t*)malloc(att->len * sizeof(hvl_t))))
BAIL(NC_ENOMEM);
for (i = 0; i < att->len; i++)
{
att->vldata[i].len = vldata1[i].len;
/* Warning, this only works for cases described for nc_free_vlen() */
if (!(att->vldata[i].p = malloc(base_typelen * att->vldata[i].len)))
BAIL(NC_ENOMEM);
memcpy(att->vldata[i].p, vldata1[i].p, base_typelen * att->vldata[i].len);
}
}
else if (type_class == NC_STRING)
{
LOG((4, "copying array of NC_STRING"));
if (!(att->stdata = malloc(sizeof(char *) * att->len))) {
BAIL(NC_ENOMEM);
}
/* If we are overwriting an existing attribute,
specifically an NC_CHAR, we need to clean up
the pre-existing att->data. */
if (!new_att && att->data) {
free(att->data);
att->data = NULL;
}
for (i = 0; i < att->len; i++)
{
if(NULL != ((char **)data)[i]) {
LOG((5, "copying string %d of size %d", i, strlen(((char **)data)[i]) + 1));
if (!(att->stdata[i] = strdup(((char **)data)[i])))
BAIL(NC_ENOMEM);
}
else
att->stdata[i] = ((char **)data)[i];
}
}
else
{
/* [Re]allocate memory for the attribute data */
if (!new_att)
free (att->data);
if (!(att->data = malloc(att->len * type_size)))
BAIL(NC_ENOMEM);
/* Just copy the data, for non-atomic types */
if (type_class == NC_OPAQUE || type_class == NC_COMPOUND || type_class == NC_ENUM)
memcpy(att->data, data, len * type_size);
else
{
/* Data types are like religions, in that one can convert. */
if ((retval = nc4_convert_type(data, att->data, mem_type, file_type,
len, &range_error, NULL,
(h5->cmode & NC_CLASSIC_MODEL))))
BAIL(retval);
}
}
}
att->dirty = NC_TRUE;
att->created = NC_FALSE;
/* Mark attributes on variable dirty, so they get written */
if(var)
var->attr_dirty = NC_TRUE;
exit:
/* If there was an error return it, otherwise return any potential
range error value. If none, return NC_NOERR as usual.*/
if (retval)
return retval;
if (range_error)
return NC_ERANGE;
return NC_NOERR;
}
/* Put attribute metadata into our global metadata. */
static int
nc4_put_att(int ncid, NC *nc, int varid, const char *name,
nc_type file_type, nc_type mem_type, size_t len, int is_long,
const void *data)
{
NC_GRP_INFO_T *grp;
NC_HDF5_FILE_INFO_T *h5;
NC_VAR_INFO_T *var = NULL;
NC_ATT_INFO_T *att, **attlist = NULL;
char norm_name[NC_MAX_NAME + 1];
nc_bool_t new_att = NC_FALSE;
int retval = NC_NOERR, range_error = 0;
size_t type_size;
int i;
int res;
if (!name)
return NC_EBADNAME;
assert(nc && NC4_DATA(nc));
LOG((1, "nc4_put_att: ncid 0x%x varid %d name %s "
"file_type %d mem_type %d len %d", ncid, varid,
name, file_type, mem_type, len));
/* If len is not zero, then there must be some data. */
if (len && !data)
return NC_EINVAL;
/* Find info for this file and group, and set pointer to each. */
h5 = NC4_DATA(nc);
if (!(grp = nc4_rec_find_grp(h5->root_grp, (ncid & GRP_ID_MASK))))
return NC_EBADGRPID;
/* If the file is read-only, return an error. */
if (h5->no_write)
return NC_EPERM;
/* Check and normalize the name. */
if ((retval = nc4_check_name(name, norm_name)))
return retval;
/* Find att, if it exists. */
if (varid == NC_GLOBAL)
attlist = &grp->att;
else
{
for (var = grp->var; var; var = var->l.next)
if (var->varid == varid)
{
attlist = &var->att;
break;
}
if (!var)
return NC_ENOTVAR;
}
for (att = *attlist; att; att = att->l.next)
if (!strcmp(att->name, norm_name))
break;
if (!att)
{
/* If this is a new att, require define mode. */
if (!(h5->flags & NC_INDEF))
{
if (h5->cmode & NC_CLASSIC_MODEL)
return NC_EINDEFINE;
if ((retval = NC4_redef(ncid)))
BAIL(retval);
}
new_att = NC_TRUE;
}
else
{
/* For an existing att, if we're not in define mode, the len
must not be greater than the existing len for classic model. */
if (!(h5->flags & NC_INDEF) &&
len * nc4typelen(file_type) > (size_t)att->len * nc4typelen(att->nc_typeid))
{
if (h5->cmode & NC_CLASSIC_MODEL)
return NC_EINDEFINE;
if ((retval = NC4_redef(ncid)))
BAIL(retval);
}
}
/* We must have two valid types to continue. */
if (file_type == NC_NAT || mem_type == NC_NAT)
return NC_EBADTYPE;
/* Get information about this type. */
if ((retval = nc4_get_typelen_mem(h5, file_type, is_long, &type_size)))
return retval;
/* No character conversions are allowed. */
if (file_type != mem_type &&
(file_type == NC_CHAR || mem_type == NC_CHAR ||
file_type == NC_STRING || mem_type == NC_STRING))
return NC_ECHAR;
/* For classic mode file, only allow atts with classic types to be
* created. */
if (h5->cmode & NC_CLASSIC_MODEL && file_type > NC_DOUBLE)
return NC_ESTRICTNC3;
/* Add to the end of the attribute list, if this att doesn't
already exist. */
if (new_att)
{
LOG((3, "adding attribute %s to the list...", norm_name));
if ((res = nc4_att_list_add(attlist, &att)))
BAIL (res);
if (!(att->name = strdup(norm_name)))
return NC_ENOMEM;
}
/* Now fill in the metadata. */
att->dirty = NC_TRUE;
att->nc_typeid = file_type;
/* If this att has vlen or string data, release it before we lose the length value. */
if (att->stdata)
{
for (i = 0; i < att->len; i++)
if(att->stdata[i])
free(att->stdata[i]);
free(att->stdata);
att->stdata = NULL;
}
if (att->vldata)
{
for (i = 0; i < att->len; i++)
nc_free_vlen(&att->vldata[i]);
free(att->vldata);
att->vldata = NULL;
}
att->len = len;
if (att->l.prev)
att->attnum = ((NC_ATT_INFO_T *)att->l.prev)->attnum + 1;
else
att->attnum = 0;
/* If this is the _FillValue attribute, then we will also have to
* copy the value to the fill_vlue pointer of the NC_VAR_INFO_T
* struct for this var. (But ignore a global _FillValue
* attribute). */
if (!strcmp(att->name, _FillValue) && varid != NC_GLOBAL)
{
NC_ATT_INFO_T *varatt;
int size;
/* Fill value must be same type and have exactly one value */
if (att->nc_typeid != var->type_info->nc_typeid)
return NC_EBADTYPE;
if (att->len != 1)
return NC_EINVAL;
/* If we already wrote to the dataset, then return an error. */
if (var->written_to)
return NC_ELATEFILL;
/* If fill value hasn't been set, allocate space. Of course,
* vlens have to be different... */
if ((retval = nc4_get_typelen_mem(grp->nc4_info, var->type_info->nc_typeid, 0,
&type_size)))
return retval;
/* Already set a fill value? Now I'll have to free the old
* one. Make up your damn mind, would you? */
if (var->fill_value)
{
if (var->type_info->nc_type_class == NC_VLEN)
{
if ((retval = nc_free_vlen(var->fill_value)))
return retval;
}
else if (var->type_info->nc_type_class == NC_STRING)
{
if (*(char **)var->fill_value)
free(*(char **)var->fill_value);
}
free(var->fill_value);
}
/* Allocate space for the fill value. */
if (var->type_info->nc_type_class == NC_VLEN)
size = sizeof(hvl_t);
else if (var->type_info->nc_type_class == NC_STRING)
size = sizeof(char *);
else
size = type_size;
if (!(var->fill_value = calloc(1, size)))
return NC_ENOMEM;
/* Copy the fill_value. */
LOG((4, "Copying fill value into metadata for variable %s", var->name));
if (var->type_info->nc_type_class == NC_VLEN)
{
nc_vlen_t *in_vlen = (nc_vlen_t *)data, *fv_vlen = (nc_vlen_t *)(var->fill_value);
fv_vlen->len = in_vlen->len;
if (!(fv_vlen->p = malloc(size * in_vlen->len)))
return NC_ENOMEM;
memcpy(fv_vlen->p, in_vlen->p, in_vlen->len * size);
}
else if (var->type_info->nc_type_class == NC_STRING)
{
if(NULL != (*(char **)data))
{
if (!(*(char **)(var->fill_value) = malloc(strlen(*(char **)data) + 1)))
return NC_ENOMEM;
strcpy(*(char **)var->fill_value, *(char **)data);
}
else
*(char **)var->fill_value = NULL;
}
else
memcpy(var->fill_value, data, type_size);
/* Indicate that the fill value was changed, if the variable has already
* been created in the file, so the dataset gets deleted and re-created. */
if (var->created)
var->fill_val_changed = NC_TRUE;
}
/* Copy the attribute data, if there is any. VLENs and string
* arrays have to be handled specially. */
if(att->len)
{
nc_type type_class; /* Class of attribute's type */
/* Get class for this type. */
if ((retval = nc4_get_typeclass(h5, file_type, &type_class)))
return retval;
assert(data);
if (type_class == NC_VLEN)
{
const hvl_t *vldata1;
NC_TYPE_INFO_T *type;
size_t base_typelen;
/* Get the type object for the attribute's type */
if ((retval = nc4_find_type(h5, file_type, &type)))
BAIL(retval);
/* Retrieve the size of the base type */
if ((retval = nc4_get_typelen_mem(h5, type->u.v.base_nc_typeid, 0, &base_typelen)))
BAIL(retval);
vldata1 = data;
if (!(att->vldata = (nc_vlen_t*)malloc(att->len * sizeof(hvl_t))))
BAIL(NC_ENOMEM);
for (i = 0; i < att->len; i++)
{
att->vldata[i].len = vldata1[i].len;
if (!(att->vldata[i].p = malloc(base_typelen * att->vldata[i].len)))
BAIL(NC_ENOMEM);
memcpy(att->vldata[i].p, vldata1[i].p, base_typelen * att->vldata[i].len);
}
}
else if (type_class == NC_STRING)
{
LOG((4, "copying array of NC_STRING"));
if (!(att->stdata = malloc(sizeof(char *) * att->len)))
BAIL(NC_ENOMEM);
for (i = 0; i < att->len; i++)
{
if(NULL != ((char **)data)[i]) {
LOG((5, "copying string %d of size %d", i, strlen(((char **)data)[i]) + 1));
if (!(att->stdata[i] = strdup(((char **)data)[i])))
BAIL(NC_ENOMEM);
}
else
att->stdata[i] = ((char **)data)[i];
}
}
else
{
/* [Re]allocate memory for the attribute data */
if (!new_att)
free (att->data);
if (!(att->data = malloc(att->len * type_size)))
BAIL(NC_ENOMEM);
/* Just copy the data, for non-atomic types */
if (type_class == NC_OPAQUE || type_class == NC_COMPOUND || type_class == NC_ENUM)
memcpy(att->data, data, len * type_size);
else
{
/* Data types are like religions, in that one can convert. */
if ((retval = nc4_convert_type(data, att->data, mem_type, file_type,
len, &range_error, NULL,
(h5->cmode & NC_CLASSIC_MODEL), is_long, 0)))
BAIL(retval);
}
}
}
att->dirty = NC_TRUE;
att->created = NC_FALSE;
/* Mark attributes on variable dirty, so they get written */
if(var)
var->attr_dirty = NC_TRUE;
exit:
/* If there was an error return it, otherwise return any potential
range error value. If none, return NC_NOERR as usual.*/
if (retval)
return retval;
if (range_error)
return NC_ERANGE;
return NC_NOERR;
}
