tests: add sysinfo.test

* tests/sysinfo.c: New file.
* tests/sysinfo.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add sysinfo.
(TESTS): Add sysinfo.test.
* tests/.gitignore: Add sysinfo.

tests/.gitignore

@@ -45,6 +45,7 @@ stack-fcall
 stat
 stat32
 statfs
+sysinfo
 time
 uid
 uid16

tests/Makefile.am

@@ -58,6 +58,7 @@ check_PROGRAMS = \
 	stat \
 	stat32 \
 	statfs \
+	sysinfo \
 	time \
 	uid \
 	uid16 \
@@ -123,6 +124,7 @@ TESTS = \
 	stat32-v.test \
 	stat64-v.test \
 	statfs.test \
+	sysinfo.test \
 	memfd_create.test \
 	mmap.test \
 	mmap64.test \

tests/sysinfo.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <sys/sysinfo.h>
+
+int
+main (void)
+{
+	struct sysinfo si;
+	if (sysinfo(&si) == -1)
+		return 77;
+	printf("sysinfo({uptime=%llu"
+		", loads=[%llu, %llu, %llu]"
+		", totalram=%llu"
+		", freeram=%llu"
+		", sharedram=%llu"
+		", bufferram=%llu"
+		", totalswap=%llu"
+		", freeswap=%llu"
+		", procs=%u"
+		", totalhigh=%llu"
+		", freehigh=%llu"
+		", mem_unit=%u"
+		"}) = 0\n",
+		(unsigned long long) si.uptime
+		, (unsigned long long) si.loads[0]
+		, (unsigned long long) si.loads[1]
+		, (unsigned long long) si.loads[2]
+		, (unsigned long long) si.totalram
+		, (unsigned long long) si.freeram
+		, (unsigned long long) si.sharedram
+		, (unsigned long long) si.bufferram
+		, (unsigned long long) si.totalswap
+		, (unsigned long long) si.freeswap
+		, (unsigned) si.procs
+		, (unsigned long long) si.totalhigh
+		, (unsigned long long) si.freehigh
+		, si.mem_unit
+		);
+	puts("+++ exited with 0 +++");
+	return 0;
+}

tests/sysinfo.test

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Check decoding of sysinfo syscall
+
+. "${srcdir=.}/init.sh"
+
+run_prog > /dev/null
+OUT="$LOG.out"
+run_strace -esysinfo $args > "$OUT"
+match_diff "$OUT" "$LOG"
+rm -f "$OUT"
+
+exit 0