/****h* H5Ff/H5Ff
 * PURPOSE
 *  This file contains C stubs for H5F Fortran APIs
 *
 * COPYRIGHT
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the LICENSE file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *
 ******
 */

#include "H5f90.h"
#include "H5Eprivate.h"

/****if* H5Ff/h5fcreate_c
 * NAME
 *  h5fcreate_c
 * PURPOSE
 *  Call H5Fcreate to create the file
 * INPUTS
 *  name - name of the file
 *  namelen - name length
 *  access_flags - file access  flags
 *  crt_pr  - identifier of creation property list
 *  acc_prp - identifier of access property list
 * OUTPUTS
 *  file_id - file identifier
 * RETURNS
 *  0 on success, -1 on failure
 * SOURCE
 */
int_f
h5fcreate_c(_fcd name, int_f *namelen, int_f *access_flags, hid_t_f *crt_prp, hid_t_f *acc_prp,
            hid_t_f *file_id)
/******/
{
    int      ret_value = -1;
    char    *c_name;
    int_f    c_namelen;
    hid_t    c_file_id;
    unsigned c_access_flags;
    hid_t    c_crt_prp;
    hid_t    c_acc_prp;

    /*
     * Define access flags
     */
    c_access_flags = (unsigned)*access_flags;

    /*
     * Define creation property
     */
    c_crt_prp = *crt_prp;

    /*
     * Define access property
     */
    c_acc_prp = *acc_prp;

    /*
     * Convert FORTRAN name to C name
     */
    c_namelen = *namelen;
    c_name    = (char *)HD5f2cstring(name, (size_t)c_namelen);
    if (c_name == NULL)
        return ret_value;

    /*
     * Call H5Fcreate function.
     */
    c_file_id = H5Fcreate(c_name, c_access_flags, c_crt_prp, c_acc_prp);

    if (c_file_id >= 0) {
        ret_value = 0;
        *file_id  = c_file_id;
    }

    free(c_name);
    return ret_value;
}

/****if* H5Ff/h5fmount_c
 * NAME
 *  h5fmount_c
 * PURPOSE
 *  Call H5Fmount to mount the file
 * INPUTS
 *  loc_id - Identifier for file or group
 *  dsetname - name of dataset
 *  namelen - dsetname length
 *  file_id - file identifier for the file to be mounted
 *  acc_prp - identifier of access property list
 * RETURNS
 *  0 on success, -1 on failure
 */
int_f
h5fmount_c(hid_t_f *loc_id, _fcd dsetname, int_f *namelen, hid_t_f *file_id, hid_t_f *acc_prp)
/******/
{
    int    ret_value = -1;
    char  *c_name;
    int_f  c_namelen;
    hid_t  c_loc_id;
    hid_t  c_file_id;
    hid_t  c_acc_prp;
    htri_t status;

    /*
     * Define access property
     */
    c_acc_prp = *acc_prp;
    /*
         if ( H5P_DEFAULT_F == c_acc_prp ) c_acc_prp = H5P_DEFAULT;
    */

    c_loc_id  = *loc_id;
    c_file_id = *file_id;
    /*
     * Convert FORTRAN name to C name
     */
    c_namelen = *namelen;
    c_name    = (char *)HD5f2cstring(dsetname, (size_t)c_namelen);
    if (c_name == NULL)
        return ret_value;

    /*
     * Call H5Fmount function.
     */
    status = H5Fmount(c_loc_id, c_name, c_file_id, c_acc_prp);

    if (status >= 0)
        ret_value = 0;

    free(c_name);
    return ret_value;
}

/****if* H5Ff/h5funmount_c
 * NAME
 *  h5funmount_c
 * PURPOSE
 *  Call H5Funmount to unmount the file
 * INPUTS
 *  loc_id - Identifier for file or group
 *  dsetname - name of dataset
 *  namelen - dsetname length
 * RETURNS
 *  0 on success, -1 on failure
 * SOURCE
 */
int_f
h5funmount_c(hid_t_f *loc_id, _fcd dsetname, int_f *namelen)
/******/
{
    int    ret_value = -1;
    char  *c_name;
    int_f  c_namelen;
    hid_t  c_loc_id;
    htri_t status;

    c_loc_id = *loc_id;

    /*
     * Convert FORTRAN name to C name
     */
    c_namelen = *namelen;
    c_name    = (char *)HD5f2cstring(dsetname, (size_t)c_namelen);
    if (c_name == NULL)
        return ret_value;

    /*
     * Call H5Fmount function.
     */
    status = H5Funmount(c_loc_id, c_name);

    if (status >= 0)
        ret_value = 0;

    free(c_name);
    return ret_value;
}

/****if* H5Ff/h5fget_obj_ids_c
 * NAME
 *  h5fget_obj_ids_c
 * PURPOSE
 *  Call H5Fget_obj_count to get number of open objects within a file
 * INPUTS
 *  file_id  - identifier of the file to be closed
 *  obj_type - type of the object
 * RETURNS
 *  obj_ids  - iarray of open objects identifiers
 *  0 on success, -1 on failure
 * SOURCE
 */
int_f
h5fget_obj_ids_c(hid_t_f *file_id, int_f *obj_type, size_t_f *max_objs, hid_t_f *obj_ids, size_t_f *num_objs)
/******/
{
    int      ret_value = 0;
    hid_t    c_file_id;
    unsigned c_obj_type;
    size_t   u;
    size_t   c_max_objs;
    ssize_t  c_num_objs;
    hid_t   *c_obj_ids;

    c_file_id  = (hid_t)*file_id;
    c_obj_type = (unsigned)*obj_type;
    c_max_objs = (size_t)*max_objs;
    c_obj_ids  = (hid_t *)malloc(sizeof(hid_t) * c_max_objs);

    c_num_objs = H5Fget_obj_ids(c_file_id, c_obj_type, c_max_objs, c_obj_ids);
    if (c_num_objs < 0)
        ret_value = -1;
    for (u = 0; u < c_max_objs; u++)
        obj_ids[u] = (hid_t_f)c_obj_ids[u];

    free(c_obj_ids);
    *num_objs = (size_t_f)c_num_objs;

    return ret_value;
}

/****if* H5Ff/h5fget_freespace_c
 * NAME
 *  h5fget_freespace_c
 * PURPOSE
 *  Call H5Fget_freespace to get amount of free space within a file
 * INPUTS
 *  file_id - identifier of the file to query
 * RETURNS
 *  free_space  - amount of free space in file
 *  0 on success, -1 on failure
 * SOURCE
 */

int_f
h5fget_freespace_c(hid_t_f *file_id, hssize_t_f *free_space)
/******/
{
    int      ret_value = 0;
    hid_t    c_file_id;
    hssize_t c_free_space;

    c_file_id = (hid_t)*file_id;
    if ((c_free_space = H5Fget_freespace(c_file_id)) < 0)
        ret_value = -1;
    *free_space = (hssize_t_f)c_free_space;
    return ret_value;
}

/****if* H5Ff/h5fget_name_c
 * NAME
 *  h5fget_name_c
 * PURPOSE
 *  Call H5Fget_name to get file's name
 * INPUTS
 *  obj_id - object identifier
 *  buflen -size of the buffer
 * OUTPUTS
 *  buf - buffer to hold the name
 *  size - size of the file's name
 * RETURNS
 *  0 on success, -1 on failure
 * SOURCE
 */
int_f
h5fget_name_c(hid_t_f *obj_id, size_t_f *size, _fcd buf, size_t_f *buflen)
/******/
{
    char   *c_buf     = NULL; /* Buffer to hold C string */
    ssize_t size_c    = -1;
    int_f   ret_value = 0; /* Return value */

    /*
     * Allocate buffer to hold name of file
     */
    if (NULL == (c_buf = (char *)malloc((size_t)*buflen + 1)))
        HGOTO_DONE(FAIL);

    /*
     * Call H5Fget_name function
     */
    if ((size_c = H5Fget_name((hid_t)*obj_id, c_buf, (size_t)*buflen + 1)) < 0)
        HGOTO_DONE(FAIL);

    /*
     * Convert C name to FORTRAN and place it in the given buffer
     */
    HD5packFstring(c_buf, _fcdtocp(buf), (size_t)*buflen);

done:
    *size = (size_t_f)size_c;
    if (c_buf)
        free(c_buf);
    return ret_value;
}

/****if* H5Ff/h5fget_filesize_c
 * NAME
 *  h5fget_filesize_c
 * PURPOSE
 *  Call H5Fget_filesize to get file size
 * INPUTS
 *  file_id - file identifier
 * OUTPUTS
 *  size - size of the file
 * RETURNS
 *  0 on success, -1 on failure
 * SOURCE
 */
int_f
h5fget_filesize_c(hid_t_f *file_id, hsize_t_f *size)
/******/
{
    hsize_t size_c;
    herr_t  ret_value = 0; /* Return value */

    /*
     * Call H5Fget_filesize function
     */
    if ((ret_value = H5Fget_filesize((hid_t)*file_id, &size_c)) < 0)
        HGOTO_DONE(FAIL);
    *size = (hsize_t_f)size_c;

done:
    return ret_value;
}

/****if* H5Ff/h5fget_fileno_c
 * NAME
 *  h5fget_fileno_c
 * PURPOSE
 *  Call H5Fget_fileno to get file number
 * INPUTS
 *  file_id - file identifier
 * OUTPUTS
 *  fileno - file number for open file
 * RETURNS
 *  0 on success, -1 on failure
 * SOURCE
 */
int_f
h5fget_fileno_c(hid_t_f *file_id, int_f *fileno)
/******/
{
    unsigned long fileno_c;
    herr_t        ret_value = 0; /* Return value */

    /*
     * Call H5Fget_fileno function
     */
    if ((ret_value = H5Fget_fileno((hid_t)*file_id, &fileno_c)) < 0)
        HGOTO_DONE(FAIL);

    /* XXX: This will have problems if the library fileno value doesn't fit
     * into an int_f.
     */
    *fileno = (int_f)fileno_c;

done:
    return ret_value;
}

/****if* H5Ff/h5fget_file_image_c
 * NAME
 *  h5fget_file_image_c
 * PURPOSE
 *  Calls h5fget_file_image
 * INPUTS
 *  file_id    - Target file identifier.
 *  buf_ptr    - Pointer to the buffer into which the image of the HDF5 file is to be copied.
 *  buf_len    - Size of the supplied buffer.
 * OUTPUTS
 *  buf_req    - The size in bytes of the buffer required to store the file image.
 * RETURNS
 *  0 on success, -1 on failure
 * SOURCE
 */
int_f
h5fget_file_image_c(hid_t_f *file_id, void *buf_ptr, size_t_f *buf_len, size_t_f *buf_req)
/******/
{
    herr_t  ret_value = 0; /* Return value */
    ssize_t c_buf_req;
    /*
     * Call h5fget_file_image function
     */

    if ((c_buf_req = H5Fget_file_image((hid_t)*file_id, buf_ptr, (size_t)*buf_len)) < 0)
        HGOTO_DONE(FAIL);

    *buf_req = (size_t_f)c_buf_req;

done:
    return ret_value;
}
