summaryrefslogtreecommitdiffstats
path: root/tests/helpers/test_sysinfo.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/helpers/test_sysinfo.c')
-rw-r--r--tests/helpers/test_sysinfo.c176
1 files changed, 176 insertions, 0 deletions
diff --git a/tests/helpers/test_sysinfo.c b/tests/helpers/test_sysinfo.c
new file mode 100644
index 0000000..81fbdd7
--- /dev/null
+++ b/tests/helpers/test_sysinfo.c
@@ -0,0 +1,176 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * Copyright (C) 2007 Karel Zak <kzak@redhat.com>
+ *
+ * This file is part of util-linux.
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <limits.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <wchar.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/mount.h>
+
+#include "mount-api-utils.h"
+
+typedef struct {
+ const char *name;
+ int (*fnc)(void);
+} mntHlpfnc;
+
+static int hlp_wordsize(void)
+{
+ printf("%zu\n", CHAR_BIT * sizeof(void*));
+ return 0;
+}
+
+static int hlp_endianness(void)
+{
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+ printf("LE\n");
+#else
+ printf("BE\n");
+#endif
+ return 0;
+}
+
+
+static int hlp_pagesize(void)
+{
+ printf("%d\n", getpagesize());
+ return 0;
+}
+
+static int hlp_int_max(void)
+{
+ printf("%d\n", INT_MAX);
+ return 0;
+}
+
+static int hlp_uint_max(void)
+{
+ printf("%u\n", UINT_MAX);
+ return 0;
+}
+
+static int hlp_long_max(void)
+{
+ printf("%ld\n", LONG_MAX);
+ return 0;
+}
+
+static int hlp_ulong_max(void)
+{
+ printf("%lu\n", ULONG_MAX);
+ return 0;
+}
+
+static int hlp_u64_max(void)
+{
+ printf("%" PRIu64 "\n", UINT64_MAX);
+ return 0;
+}
+
+static int hlp_ulong_max32(void)
+{
+#if __WORDSIZE == 64
+ printf("%lu\n", ULONG_MAX >> 32);
+#else
+ printf("%lu\n", ULONG_MAX);
+#endif
+ return 0;
+}
+
+static int hlp_wcsspn_ok(void)
+{
+ printf("%d\n", wcsspn(L"FOO", L"F") == 1);
+ return 0;
+}
+
+static int hlp_enotty_ok(void)
+{
+ errno = 0;
+ ioctl(STDOUT_FILENO, 0);
+
+ printf("%d\n", errno != ENOSYS);
+ return 0;
+}
+
+static int hlp_fsopen_ok(void)
+{
+#ifdef FSOPEN_CLOEXEC
+ errno = 0;
+ fsopen(NULL, FSOPEN_CLOEXEC);
+#else
+ errno = ENOSYS;
+#endif
+ printf("%d\n", errno != ENOSYS);
+ return 0;
+}
+
+static mntHlpfnc hlps[] =
+{
+ { "WORDSIZE", hlp_wordsize },
+ { "pagesize", hlp_pagesize },
+ { "INT_MAX", hlp_int_max },
+ { "UINT_MAX", hlp_uint_max },
+ { "LONG_MAX", hlp_long_max },
+ { "ULONG_MAX", hlp_ulong_max },
+ { "ULONG_MAX32",hlp_ulong_max32 },
+ { "UINT64_MAX", hlp_u64_max },
+ { "byte-order", hlp_endianness },
+ { "wcsspn-ok", hlp_wcsspn_ok },
+ { "enotty-ok", hlp_enotty_ok },
+ { "fsopen-ok", hlp_fsopen_ok },
+ { NULL, NULL }
+};
+
+int main(int argc, char **argv)
+{
+ int re = 0;
+ mntHlpfnc *fn;
+
+ if (argc == 1) {
+ for (fn = hlps; fn->name; fn++) {
+ printf("%15s: ", fn->name);
+ re += fn->fnc();
+ }
+ } else {
+ int i;
+
+ if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0) {
+ printf("%s <option>\n", argv[0]);
+ fputs("options:\n", stdout);
+ for (fn = hlps; fn->name; fn++)
+ printf("\t%s\n", fn->name);
+ exit(EXIT_SUCCESS);
+ }
+
+ for (i=1; i < argc; i++) {
+ for (fn = hlps; fn->name; fn++) {
+ if (strcmp(fn->name, argv[i]) == 0)
+ re += fn->fnc();
+ }
+ }
+ }
+
+ exit(re ? EXIT_FAILURE : EXIT_SUCCESS);
+}
+