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authorSven Eden <yamakuzure@gmx.net>2017-07-19 11:55:18 +0200
committerSven Eden <yamakuzure@gmx.net>2017-07-20 08:29:14 +0200
commit7873fa750d7d4310396e69df12b53e07e4e81249 (patch)
treec1175674af487fa3d492b0a78ef556b48ffc5c9d /src/test/test-sizeof.c
parenta97a730270418e53e9400de5dce7b07c7dacd19a (diff)
Prep v233.3: Add all possible coverage tests for elogind
Diffstat (limited to 'src/test/test-sizeof.c')
-rw-r--r--src/test/test-sizeof.c53
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 000000000..8f99a1377
--- /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;
+}