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1234bb1850
Update to newest recommended license notices from the FSF. Everything stays LGPLv3+ except guile-readline which is GPLv3+.
116 lines
2.6 KiB
C
116 lines
2.6 KiB
C
/* test-foreign-object-c.c - exercise C foreign object interface */
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/* Copyright 2014,2018
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Free Software Foundation, Inc.
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This file is part of Guile.
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Guile is free software: you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Guile is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with Guile. If not, see
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<https://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <libguile.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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enum
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{
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CSTR_SLOT_ADDR,
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CSTR_SLOT_LEN,
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CSTR_SLOT_COUNT
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};
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static void
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finalizer (SCM obj)
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{
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free (scm_foreign_object_ref (obj, CSTR_SLOT_ADDR));
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}
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static SCM
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make_cstr_from_static (SCM type, const char *str)
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{
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char *ours = strdup (str);
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if (!ours)
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abort ();
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return scm_make_foreign_object_2 (type, ours, (void *) strlen (ours));
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}
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static int
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cstr_equals_static_p (SCM cstr, const char *str)
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{
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const char *addr;
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size_t len;
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addr = scm_foreign_object_ref (cstr, CSTR_SLOT_ADDR);
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len = scm_foreign_object_unsigned_ref (cstr, CSTR_SLOT_LEN);
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if (strlen (str) != len)
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return 0;
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return strncmp (addr, str, len) == 0;
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}
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static void
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test_scm_foreign_object (void)
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{
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SCM type_name, slot_names, type, cstr;
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type_name = scm_from_utf8_symbol ("<cstr>");
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slot_names = scm_list_2 (scm_from_utf8_symbol ("addr"),
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scm_from_utf8_symbol ("len"));
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type = scm_make_foreign_object_type (type_name, slot_names, finalizer);
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cstr = make_cstr_from_static (type, "Hello, world!");
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scm_assert_foreign_object_type (type, cstr);
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if (!cstr_equals_static_p (cstr, "Hello, world!"))
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{
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fprintf (stderr, "fail: test-foreign-object 1\n");
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exit (EXIT_FAILURE);
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}
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{
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int i;
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for (i = 0; i < 5000; i++)
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cstr = make_cstr_from_static (type, "Hello, world!");
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cstr = SCM_BOOL_F;
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}
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scm_gc ();
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scm_gc ();
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scm_gc ();
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/* Allow time for the finalizer thread to run. */
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scm_usleep (scm_from_uint (50 * 1000));
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}
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static void
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tests (void *data, int argc, char **argv)
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{
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test_scm_foreign_object ();
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}
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int
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main (int argc, char *argv[])
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{
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scm_boot_guile (argc, argv, tests, NULL);
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return 0;
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}
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