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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group. *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * 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 files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from help@hdfgroup.org. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Purpose: Tests hard, soft (symbolic) & external links.
+ */
+
+#define H5G_PACKAGE
+#define H5G_TESTING
+
+#include "h5test.h"
+#include "H5srcdir.h"
+#include "H5Gpkg.h" /* Groups */
+#include "H5Iprivate.h" /* IDs */
+#include "H5Lprivate.h" /* Links */
+
+#ifdef H5_VMS
+#define TMPDIR "[.tmp]"
+#else /* H5_VMS */
+#define TMPDIR "tmp/"
+#endif /* H5_VMS */
+#define NAME_BUF_SIZE 1024
+
+const char *FILENAME[] = {
+ "extlinks_env0", /* 0: main file */
+ "extlinks_env1", /* 1: target file */
+ TMPDIR "extlinks_env1", /* 2 */
+ NULL
+};
+
+static int external_link_env(hid_t fapl, hbool_t new_format);
+
+
+/*-------------------------------------------------------------------------
+ * Function: external_link_env (moved from links.c)
+ *
+ * Purpose: Verify that the target file is found successfully in "tmp" directory
+ * via searching the pathnames set in the environment variable HDF5_EXT_PREFIX.
+ * 1. Target link: "extlinks_env1"
+ * 2. Main file: "extlinks_env0"
+ * 3. Target file is created in: "tmp/extlinks_env1"
+ * 4. The environment variable "HDF5_EXT_PREFIX" is set to ".:tmp"
+ *
+ * Return: Success: 0
+ * Failure: -1
+ *
+ * Programmer: Vailin Choi
+ * Feb. 20, 2008
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static int
+external_link_env(hid_t fapl, hbool_t new_format)
+{
+ hid_t fid = (-1); /* File ID */
+ hid_t gid = (-1); /* Group IDs */
+ const char *envval = NULL; /* Pointer to environment variable */
+ char filename1[NAME_BUF_SIZE],
+ filename2[NAME_BUF_SIZE],
+ filename3[NAME_BUF_SIZE]; /* Holders for filename */
+
+ if(new_format)
+ TESTING("external links via environment variable (w/new group format)")
+ else
+ TESTING("external links via environment variable")
+
+ if ((envval = HDgetenv("HDF5_EXT_PREFIX")) == NULL)
+ envval = "nomatch";
+ if (HDstrcmp(envval, ".:tmp")) TEST_ERROR
+
+ /* Set up name for main file:"extlinks_env0" */
+ h5_fixname(FILENAME[0], fapl, filename1, sizeof filename1);
+
+ /* Set up name for external linked target file: "extlinks_env1" */
+ h5_fixname(FILENAME[1], fapl, filename2, sizeof filename2);
+
+ /* Create "tmp" directory */
+ if(HDmkdir(TMPDIR, (mode_t)0755) < 0 && errno != EEXIST)
+ TEST_ERROR
+
+ /* Set up name (location) for the target file: "tmp/extlinks1" */
+ h5_fixname(FILENAME[2], fapl, filename3, sizeof filename3);
+
+ /* Create the target file in "tmp" directory */
+ if((fid=H5Fcreate(filename3, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0) TEST_ERROR
+ if((gid=H5Gcreate2(fid, "A", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) TEST_ERROR
+
+ /* Closing for target file */
+ if(H5Gclose(gid) < 0) TEST_ERROR
+ if(H5Fclose(fid) < 0) TEST_ERROR
+
+
+ /* Create the main file */
+ if((fid=H5Fcreate(filename1, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0) TEST_ERROR
+
+ /* Create external link to target file */
+ if(H5Lcreate_external(filename2, "/A", fid, "ext_link", H5P_DEFAULT, H5P_DEFAULT) < 0) TEST_ERROR
+
+ /* Open object through external link */
+ H5E_BEGIN_TRY {
+ gid = H5Gopen2(fid, "ext_link", H5P_DEFAULT);
+ } H5E_END_TRY;
+
+ /* Should be able to find the target file from pathnames set via HDF5_EXT_PREFIX */
+ if (gid < 0) {
+ H5_FAILED();
+ puts(" Should have found the file in tmp directory.");
+ goto error;
+ }
+
+ /* closing for main file */
+ if(H5Gclose(gid) < 0) TEST_ERROR
+ if(H5Fclose(fid) < 0) TEST_ERROR
+
+ PASSED();
+ return 0;
+
+ error:
+ H5E_BEGIN_TRY {
+ H5Gclose (gid);
+ H5Fclose (fid);
+ } H5E_END_TRY;
+ return -1;
+} /* end external_link_env() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: main
+ *
+ * Purpose: Test external link with environment variable HDF5_EXT_PREFIX
+ *
+ * Return: Success: exit(0)
+ * Failure: exit(non-zero)
+ *
+ * Programmer: Vailin Choi; Nov 2010
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+main(void)
+{
+ hid_t fapl; /* File access property lists */
+ int nerrors = 0; /* Error from tests */
+ const char *env_h5_drvr; /* File Driver value from environment */
+
+ env_h5_drvr = HDgetenv("HDF5_DRIVER");
+ if(env_h5_drvr == NULL)
+ env_h5_drvr = "nomatch";
+
+ h5_reset();
+ fapl = h5_fileaccess();
+
+ nerrors += external_link_env(fapl, FALSE) < 0 ? 1 : 0;
+
+ /* Set the "use the latest version of the format" bounds for creating objects in the file */
+ if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) TEST_ERROR
+
+ nerrors += external_link_env(fapl, TRUE) < 0 ? 1 : 0;
+
+ h5_cleanup(FILENAME, fapl);
+
+ /* Results */
+ if(nerrors) {
+ printf("***** %d External Link (HDF5_EXT_PREFIX) test%s FAILED! *****\n",
+ nerrors, 1 == nerrors ? "" : "s");
+ exit(1);
+ }
+ printf("All external Link (HDF5_EXT_PREFIX) tests passed.\n");
+
+ /* clean up tmp directory created by external link tests */
+ HDrmdir(TMPDIR);
+
+ return 0;
+
+error:
+ puts("*** TESTS FAILED ***");
+ return 1;
+}