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/***
This file is part of systemd.
Copyright 2016 Zbigniew Jędrzejewski-Szmek
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdio.h>
#include "time-util.h"
/* Print information about various types. Useful when diagnosing
* gcc diagnostics on an unfamiliar architecture. */
#pragma GCC diagnostic ignored "-Wtype-limits"
#define info(t) \
printf("%s → %zu bits%s\n", STRINGIFY(t), \
sizeof(t)*CHAR_BIT, \
strstr(STRINGIFY(t), "signed") ? "" : \
((t)-1 < (t)0 ? ", signed" : ", unsigned"));
enum Enum {
enum_value,
};
enum BigEnum {
big_enum_value = UINT64_C(-1),
};
int main(void) {
info(char);
info(signed char);
info(unsigned char);
info(short unsigned);
info(unsigned);
info(long unsigned);
info(long long unsigned);
info(__syscall_ulong_t);
info(__syscall_slong_t);
info(float);
info(double);
info(long double);
info(size_t);
info(ssize_t);
info(time_t);
info(usec_t);
info(__time_t);
info(enum Enum);
info(enum BigEnum);
return 0;
}
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