From 8cb83eee5a58b1fad74c34094ce3afb9e430b5a4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 04:42:50 +0200 Subject: Adding upstream version 2.33.1. Signed-off-by: Daniel Baumann --- tests/helpers/test_sysinfo.c | 129 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 tests/helpers/test_sysinfo.c (limited to 'tests/helpers/test_sysinfo.c') diff --git a/tests/helpers/test_sysinfo.c b/tests/helpers/test_sysinfo.c new file mode 100644 index 0000000..ce7bc08 --- /dev/null +++ b/tests/helpers/test_sysinfo.c @@ -0,0 +1,129 @@ +/* + * Copyright (C) 2007 Karel Zak + * + * 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 +#include +#include +#include +#include + +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 !defined(WORDS_BIGENDIAN) + 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_ulong_max32(void) +{ +#if __WORDSIZE == 64 + printf("%lu\n", ULONG_MAX >> 32); +#else + printf("%lu\n", ULONG_MAX); +#endif + 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 }, + { "byte-order", hlp_endianness }, + { 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