diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Makefile.am | 9 | ||||
| -rw-r--r-- | src/test/test-sizeof.c | 53 |
3 files changed, 62 insertions, 1 deletions
diff --git a/.gitignore b/.gitignore index 539daadce0..18db046cac 100644 --- a/.gitignore +++ b/.gitignore @@ -248,6 +248,7 @@ /test-sched-prio /test-selinux /test-set +/test-sizeof /test-sigbus /test-signal-util /test-siphash24 diff --git a/Makefile.am b/Makefile.am index 9f64836f50..0f17bad8b1 100644 --- a/Makefile.am +++ b/Makefile.am @@ -1480,7 +1480,8 @@ tests += \ test-install-root \ test-rlimit-util \ test-signal-util \ - test-selinux + test-selinux \ + test-sizeof if HAVE_ACL tests += \ @@ -1880,6 +1881,12 @@ test_selinux_SOURCES = \ test_selinux_LDADD = \ libshared.la +test_sizeof_SOURCES = \ + src/test/test-sizeof.c + +test_sizeof_LDADD = \ + libshared.la + BUILT_SOURCES += \ src/test/test-hashmap-ordered.c 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; +} |