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author | Lennart Poettering <lennart@poettering.net> | 2016-03-03 17:46:56 +0100 |
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committer | Lennart Poettering <lennart@poettering.net> | 2016-03-03 17:46:56 +0100 |
commit | 04c760d2fe8615203993829f7724f7e6ba553340 (patch) | |
tree | 99e9c6182f1c7303d4ef4a7e88f8a75f2f687bc3 /src/test/test-sizeof.c | |
parent | 7e6be9c2ecb860ab54401420591e26664dcdbfe8 (diff) | |
parent | 6307c39b94344b901c1d6e0df7ee58644a8809bf (diff) |
Merge pull request #2781 from keszybz/selinux-and-warnings
Selinux loading fix and warning cleanups
Diffstat (limited to 'src/test/test-sizeof.c')
-rw-r--r-- | src/test/test-sizeof.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/test/test-sizeof.c b/src/test/test-sizeof.c new file mode 100644 index 0000000000..8f99a13772 --- /dev/null +++ b/src/test/test-sizeof.c @@ -0,0 +1,53 @@ +/*** + 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 "log.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) \ + log_info("%s → %zu bits%s", STRINGIFY(t), \ + sizeof(t)*CHAR_BIT, \ + strstr(STRINGIFY(t), "signed") ? "" : \ + ((t)-1 < (t)0 ? ", signed" : ", unsigned")); + +int main(void) { + info(char); + info(signed char); + info(unsigned char); + info(short unsigned); + info(unsigned); + info(long unsigned); + info(long long unsigned); + + info(float); + info(double); + info(long double); + + info(size_t); + info(ssize_t); + info(time_t); + info(usec_t); + + return 0; +} |