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1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2016 Zbigniew Jędrzejewski-Szmek | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
20 | #include "log.h" | |
21 | #include "time-util.h" | |
22 | ||
23 | /* Print information about various types. Useful when diagnosing | |
24 | * gcc diagnostics on an unfamiliar architecture. */ | |
25 | ||
26 | #pragma GCC diagnostic ignored "-Wtype-limits" | |
27 | ||
28 | #define info(t) \ | |
29 | log_info("%s → %zu bits%s", STRINGIFY(t), \ | |
30 | sizeof(t)*CHAR_BIT, \ | |
31 | strstr(STRINGIFY(t), "signed") ? "" : \ | |
32 | ((t)-1 < (t)0 ? ", signed" : ", unsigned")); | |
33 | ||
34 | int main(void) { | |
35 | info(char); | |
36 | info(signed char); | |
37 | info(unsigned char); | |
38 | info(short unsigned); | |
39 | info(unsigned); | |
40 | info(long unsigned); | |
41 | info(long long unsigned); | |
42 | ||
43 | info(float); | |
44 | info(double); | |
45 | info(long double); | |
46 | ||
47 | info(size_t); | |
48 | info(ssize_t); | |
49 | info(time_t); | |
50 | info(usec_t); | |
51 | ||
52 | return 0; | |
53 | } |