Exemplo n.º 1
0
/*-------------------------------------------------------------------------
 * Function:	main
 *
 * Purpose:	Create a file, create a local heap, write data into the local
 *		heap, close the file, open the file, read data out of the
 *		local heap, close the file.
 *
 * Return:	Success:	zero
 *
 *		Failure:	non-zero
 *
 * Programmer:	Robb Matzke
 *              Tuesday, November 24, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
int
main(void)
{
    hid_t	fapl=H5P_DEFAULT;	/*file access properties	*/
    hid_t	file=-1;		/*hdf5 file 			*/
    H5F_t	*f=NULL;		/*hdf5 file pointer		*/
    char	filename[1024];		/*file name			*/
    haddr_t	heap_addr;		/*local heap address		*/
    H5HL_t      *heap = NULL;           /*local heap			*/
    size_t	obj[NOBJS];		/*offsets within the heap	*/
    int		i, j;			/*miscellaneous counters	*/
    char	buf[1024];		/*the value to store		*/
    const char	*s;			/*value to read			*/

    /* Reset library */
    h5_reset();
    fapl = h5_fileaccess();


    /*
     * Test writing to the heap...
     */
    TESTING("local heap write");
    h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
    if ((file=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl))<0)
	goto error;
    if(NULL == (f = H5I_object(file))) {
	H5_FAILED();
	H5Eprint2(H5E_DEFAULT, stdout);
	goto error;
    }
    if(H5HL_create(f, H5P_DATASET_XFER_DEFAULT, (size_t)0, &heap_addr/*out*/) < 0) {
	H5_FAILED();
	H5Eprint2(H5E_DEFAULT, stdout);
	goto error;
    }
    if (NULL == (heap = H5HL_protect(f, H5P_DATASET_XFER_DEFAULT, heap_addr, H5AC_WRITE))) {
        H5_FAILED();
        H5Eprint2(H5E_DEFAULT, stdout);
        goto error;
    }
    for(i = 0; i < NOBJS; i++) {
        sprintf(buf, "%03d-", i);
        for (j=4; j<i; j++) buf[j] = '0' + j%10;
        if (j>4) buf[j] = '\0';

        if ((size_t)(-1)==(obj[i]=H5HL_insert(f, H5P_DATASET_XFER_DEFAULT, heap, strlen(buf)+1, buf))) {
	    H5_FAILED();
	    H5Eprint2(H5E_DEFAULT, stdout);
	    goto error;
	}
    }
    if (H5HL_unprotect(f, H5P_DATASET_XFER_DEFAULT, heap, heap_addr) < 0) {
        H5_FAILED();
        H5Eprint2(H5E_DEFAULT, stdout);
        goto error;
    }
    if (H5Fclose(file)<0) goto error;
    PASSED();

    /*
     * Test reading from the heap...
     */

    TESTING("local heap read");
    h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
    if ((file=H5Fopen(filename, H5F_ACC_RDONLY, fapl))<0) goto error;
    if (NULL==(f=H5I_object(file))) {
        H5_FAILED();
        H5Eprint2(H5E_DEFAULT, stdout);
        goto error;
    }
    for (i=0; i<NOBJS; i++) {
        sprintf(buf, "%03d-", i);
        for (j=4; j<i; j++) buf[j] = '0' + j%10;
        if (j>4) buf[j] = '\0';

        if (NULL == (heap = H5HL_protect(f, H5P_DATASET_XFER_DEFAULT, heap_addr, H5AC_READ))) {
            H5_FAILED();
            H5Eprint2(H5E_DEFAULT, stdout);
            goto error;
        }

        if (NULL == (s = H5HL_offset_into(f, heap, obj[i]))) {
            H5_FAILED();
            H5Eprint2(H5E_DEFAULT, stdout);
            goto error;
        }

        if (strcmp(s, buf)) {
            H5_FAILED();
            printf("    i=%d, heap offset=%lu\n", i, (unsigned long)(obj[i]));
            printf("    got: \"%s\"\n", s);
            printf("    ans: \"%s\"\n", buf);
            goto error;
        }

        if (H5HL_unprotect(f, H5P_DATASET_XFER_DEFAULT, heap, heap_addr) < 0) {
            H5_FAILED();
            H5Eprint2(H5E_DEFAULT, stdout);
            goto error;
        }
    }

    if (H5Fclose(file)<0) goto error;
    PASSED();
    puts("All local heap tests passed.");
    h5_cleanup(FILENAME, fapl);

    return 0;

 error:
    puts("*** TESTS FAILED ***");
    H5E_BEGIN_TRY {
	H5Fclose(file);
    } H5E_END_TRY;
    return 1;
}
Exemplo n.º 2
0
/*-------------------------------------------------------------------------
 * Function:    H5O_efl_copy_file
 *
 * Purpose:     Copies an efl message from _MESG to _DEST in file
 *
 * Return:      Success:        Ptr to _DEST
 *
 *              Failure:        NULL
 *
 * Programmer:  Peter Cao
 *              September 29, 2005
 *
 *-------------------------------------------------------------------------
 */
static void *
H5O_efl_copy_file(H5F_t H5_ATTR_UNUSED *file_src, void *mesg_src, H5F_t *file_dst,
    hbool_t H5_ATTR_UNUSED *recompute_size, unsigned H5_ATTR_UNUSED *mesg_flags,
    H5O_copy_t H5_ATTR_UNUSED *cpy_info, void H5_ATTR_UNUSED *_udata, hid_t dxpl_id)
{
    H5O_efl_t   *efl_src = (H5O_efl_t *) mesg_src;
    H5O_efl_t   *efl_dst = NULL;
    H5HL_t      *heap = NULL;                   /* Pointer to local heap for EFL file names */
    size_t      idx, size, name_offset, heap_size;
    void        *ret_value = NULL;              /* Return value */

    FUNC_ENTER_NOAPI_NOINIT_TAG(dxpl_id, H5AC__COPIED_TAG, NULL)

    /* check args */
    HDassert(efl_src);
    HDassert(file_dst);

    /* Allocate space for the destination efl */
    if(NULL == (efl_dst = (H5O_efl_t *)H5MM_calloc(sizeof(H5O_efl_t))))
        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")

    /* Copy the "top level" information */
    HDmemcpy(efl_dst, efl_src, sizeof(H5O_efl_t));

    /* Determine size needed for destination heap */
    heap_size = H5HL_ALIGN(1);  /* "empty" name */
    for(idx = 0; idx < efl_src->nused; idx++)
        heap_size += H5HL_ALIGN(HDstrlen(efl_src->slot[idx].name) + 1);

    /* Create name heap */
    if(H5HL_create(file_dst, dxpl_id, heap_size, &efl_dst->heap_addr/*out*/) < 0)
        HGOTO_ERROR(H5E_EFL, H5E_CANTINIT, NULL, "can't create heap")

    /* Pin the heap down in memory */
    if(NULL == (heap = H5HL_protect(file_dst, dxpl_id, efl_dst->heap_addr, H5AC__NO_FLAGS_SET)))
        HGOTO_ERROR(H5E_EFL, H5E_PROTECT, NULL, "unable to protect EFL file name heap")

    /* Insert "empty" name first */
    if((size_t)(-1) == (name_offset = H5HL_insert(file_dst, dxpl_id, heap, (size_t)1, "")))
        HGOTO_ERROR(H5E_EFL, H5E_CANTINSERT, NULL, "can't insert file name into heap")
    HDassert(0 == name_offset);

    /* allocate array of external file entries */
    if(efl_src->nalloc > 0) {
        size = efl_src->nalloc * sizeof(H5O_efl_entry_t);
        if((efl_dst->slot = (H5O_efl_entry_t *)H5MM_calloc(size)) == NULL)
            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")

        /* copy content from the source. Need to update later */
        HDmemcpy(efl_dst->slot, efl_src->slot, size);
    } /* end if */

    /* copy the name from the source */
    for(idx = 0; idx < efl_src->nused; idx++) {
        efl_dst->slot[idx].name = H5MM_xstrdup(efl_src->slot[idx].name);
        if((size_t)(-1) == (efl_dst->slot[idx].name_offset = H5HL_insert(file_dst, dxpl_id, heap,
                HDstrlen(efl_dst->slot[idx].name) + 1, efl_dst->slot[idx].name)))
            HGOTO_ERROR(H5E_EFL, H5E_CANTINSERT, NULL, "can't insert file name into heap")
    } /* end for */

    /* Set return value */
    ret_value = efl_dst;

done:
    /* Release resources */
    if(heap && H5HL_unprotect(heap) < 0)
        HDONE_ERROR(H5E_EFL, H5E_PROTECT, NULL, "unable to unprotect EFL file name heap")
    if(!ret_value)
        if(efl_dst)
            H5MM_xfree(efl_dst);

    FUNC_LEAVE_NOAPI_TAG(ret_value, NULL)
} /* end H5O_efl_copy_file() */