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https://github.com/HDFGroup/hdf5.git
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260 lines
8.4 KiB
C
260 lines
8.4 KiB
C
/****************************************************************************
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* NCSA HDF *
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* Software Development Group *
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* National Center for Supercomputing Applications *
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* University of Illinois at Urbana-Champaign *
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* 605 E. Springfield, Champaign IL 61820 *
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* *
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* For conditions of distribution and use, see the accompanying *
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* hdf/COPYING file. *
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* *
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****************************************************************************/
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#ifdef RCSID
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static char RcsId[] = "$Revision$";
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#endif
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/* $Id$ */
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/***********************************************************
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*
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* Test program: tvlstr
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*
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* Test the Variable-Length String functionality
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*
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*************************************************************/
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#include <testhdf5.h>
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#include <hdf5.h>
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#define FILE "tvlstr.h5"
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/* 1-D dataset with fixed dimensions */
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#define SPACE1_NAME "Space1"
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#define SPACE1_RANK 1
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#define SPACE1_DIM1 4
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/* 2-D dataset with fixed dimensions */
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#define SPACE2_NAME "Space2"
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#define SPACE2_RANK 2
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#define SPACE2_DIM1 10
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#define SPACE2_DIM2 10
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void *test_vlstr_alloc_custom(size_t size, void *info);
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void test_vlstr_free_custom(void *mem, void *info);
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/****************************************************************
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**
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** test_vlstr_alloc_custom(): Test VL datatype custom memory
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** allocation routines. This routine just uses malloc to
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** allocate the memory and increments the amount of memory
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** allocated.
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**
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****************************************************************/
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void *test_vlstr_alloc_custom(size_t size, void *info)
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{
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void *ret_value=NULL; /* Pointer to return */
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int *mem_used=(int *)info; /* Get the pointer to the memory used */
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size_t extra; /* Extra space needed */
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/*
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* This weird contortion is required on the DEC Alpha to keep the
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* alignment correct - QAK
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*/
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extra=MAX(sizeof(void *),sizeof(size_t));
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if((ret_value=HDmalloc(extra+size))!=NULL) {
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*(size_t *)ret_value=size;
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*mem_used+=size;
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} /* end if */
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ret_value=((unsigned char *)ret_value)+extra;
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return(ret_value);
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}
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/****************************************************************
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**
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** test_vlstr_free_custom(): Test VL datatype custom memory
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** allocation routines. This routine just uses free to
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** release the memory and decrements the amount of memory
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** allocated.
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**
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****************************************************************/
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void test_vlstr_free_custom(void *_mem, void *info)
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{
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unsigned char *mem;
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int *mem_used=(int *)info; /* Get the pointer to the memory used */
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size_t extra; /* Extra space needed */
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/*
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* This weird contortion is required on the DEC Alpha to keep the
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* alignment correct - QAK
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*/
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extra=MAX(sizeof(void *),sizeof(size_t));
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if(_mem!=NULL) {
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mem=((unsigned char *)_mem)-extra;
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*mem_used-=*(size_t *)mem;
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HDfree(mem);
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} /* end if */
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}
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/****************************************************************
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**
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** test_vlstrings_basic(): Test basic VL string code.
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** Tests simple VL string I/O
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**
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****************************************************************/
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static void
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test_vlstrings_basic(void)
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{
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const char *wdata[SPACE1_DIM1]= {
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"Four score and seven years ago our forefathers brought forth on this continent a new nation,",
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"conceived in liberty and dedicated to the proposition that all men are created equal.",
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"Now we are engaged in a great civil war,",
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"testing whether that nation or any nation so conceived and so dedicated can long endure."
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}; /* Information to write */
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char *rdata[SPACE1_DIM1]; /* Information read in */
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hid_t fid1; /* HDF5 File IDs */
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hid_t dataset; /* Dataset ID */
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hid_t sid1; /* Dataspace ID */
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hid_t tid1; /* Datatype ID */
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hid_t xfer_pid; /* Dataset transfer property list ID */
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hsize_t dims1[] = {SPACE1_DIM1};
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hsize_t size; /* Number of bytes which will be used */
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uintn i; /* counting variable */
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int str_used; /* String data in memory */
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int mem_used=0; /* Memory used during allocation */
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herr_t ret; /* Generic return value */
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/* Output message about test being performed */
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MESSAGE(5, ("Testing Basic VL String Functionality\n"));
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/* Create file */
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fid1 = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
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CHECK(fid1, FAIL, "H5Fcreate");
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/* Create dataspace for datasets */
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sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
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CHECK(sid1, FAIL, "H5Screate_simple");
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/* Create a datatype to refer to */
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tid1 = H5Tcopy (H5T_C_S1);
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CHECK(tid1, FAIL, "H5Tcopy");
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ret = H5Tset_size (tid1,H5T_VARIABLE);
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CHECK(ret, FAIL, "H5Tset_size");
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/* Create a dataset */
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dataset=H5Dcreate(fid1,"Dataset1",tid1,sid1,H5P_DEFAULT);
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CHECK(dataset, FAIL, "H5Dcreate");
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/* Write dataset to disk */
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ret=H5Dwrite(dataset,tid1,H5S_ALL,H5S_ALL,H5P_DEFAULT,wdata);
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CHECK(ret, FAIL, "H5Dwrite");
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/* Change to the custom memory allocation routines for reading VL string */
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xfer_pid=H5Pcreate(H5P_DATA_XFER);
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CHECK(xfer_pid, FAIL, "H5Pcreate");
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ret=H5Pset_vlen_mem_manager(xfer_pid,test_vlstr_alloc_custom,&mem_used,test_vlstr_free_custom,&mem_used);
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CHECK(ret, FAIL, "H5Pset_vlen_mem_manager");
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/* Make certain the correct amount of memory will be used */
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ret=H5Dvlen_get_buf_size(dataset,tid1,sid1,&size);
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CHECK(ret, FAIL, "H5Dvlen_get_buf_size");
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/* Count the actual number of bytes used by the strings */
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for(i=0,str_used=0; i<SPACE1_DIM1; i++)
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str_used+=strlen(wdata[i])+1;
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/* Compare against the strings actually written */
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VERIFY(size,(hsize_t)str_used,"H5Dvlen_get_buf_size");
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/* Read dataset from disk */
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ret=H5Dread(dataset,tid1,H5S_ALL,H5S_ALL,xfer_pid,rdata);
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CHECK(ret, FAIL, "H5Dread");
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/* Make certain the correct amount of memory has been used */
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VERIFY(mem_used,str_used,"H5Dread");
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/* Compare data read in */
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for(i=0; i<SPACE1_DIM1; i++) {
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if(strlen(wdata[i])!=strlen(rdata[i])) {
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num_errs++;
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printf("VL data length don't match!, strlen(wdata[%d])=%d, strlen(rdata[%d])=%d\n",(int)i,(int)strlen(wdata[i]),(int)i,(int)strlen(rdata[i]));
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continue;
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} /* end if */
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if( strcmp(wdata[i],rdata[i]) != 0 ) {
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num_errs++;
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printf("VL data values don't match!, wdata[%d]=%s, rdata[%d]=%s\n",(int)i,wdata[i],(int)i,rdata[i]);
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continue;
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} /* end if */
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} /* end for */
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/* Reclaim the read VL data */
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ret=H5Dvlen_reclaim(tid1,sid1,xfer_pid,rdata);
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CHECK(ret, FAIL, "H5Dvlen_reclaim");
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/* Make certain the VL memory has been freed */
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VERIFY(mem_used,0,"H5Dvlen_reclaim");
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/* Close Dataset */
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ret = H5Dclose(dataset);
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CHECK(ret, FAIL, "H5Dclose");
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/* Close datatype */
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ret = H5Tclose(tid1);
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CHECK(ret, FAIL, "H5Tclose");
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/* Close disk dataspace */
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ret = H5Sclose(sid1);
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CHECK(ret, FAIL, "H5Sclose");
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/* Close dataset transfer property list */
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ret = H5Pclose(xfer_pid);
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CHECK(ret, FAIL, "H5Pclose");
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/* Close file */
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ret = H5Fclose(fid1);
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CHECK(ret, FAIL, "H5Fclose");
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} /* end test_vlstrings_basic() */
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/****************************************************************
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**
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** test_vlstrings(): Main VL string testing routine.
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**
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****************************************************************/
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void
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test_vlstrings(void)
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{
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/* Output message about test being performed */
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MESSAGE(5, ("Testing Variable-Length Strings\n"));
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/* These next tests use the same file */
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test_vlstrings_basic(); /* Test basic VL string datatype */
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} /* test_vlstrings() */
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/*-------------------------------------------------------------------------
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* Function: cleanup_vlstrings
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*
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* Purpose: Cleanup temporary test files
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*
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* Return: none
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*
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* Programmer: Quincey Koziol
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* September 10, 1999
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*
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* Modifications:
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*
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*-------------------------------------------------------------------------
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*/
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void
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cleanup_vlstrings(void)
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{
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remove(FILE);
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}
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