[PATCH 1/3] tests: add uname.test

[Fei Jie]

* tests/uname.c: New file.
* tests/uname.test: New test.
* tests/.gitignore: Add uname.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(TESTS): Add uname.test.
---
 tests/.gitignore  |  1 +
 tests/Makefile.am |  2 ++
 tests/uname.c     | 38 ++++++++++++++++++++++++++++++++++++++
 tests/uname.test  | 11 +++++++++++
 4 files changed, 52 insertions(+)
 create mode 100644 tests/uname.c
 create mode 100755 tests/uname.test

diff --git a/tests/.gitignore b/tests/.gitignore
index bdce2db..e79d317 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -124,6 +124,7 @@ umount
 umount2
 umovestr
 umovestr2
+uname
 unix-pair-send-recv
 userfaultfd
 utime
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 54f3d5b..d924b9a 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -172,6 +172,7 @@ check_PROGRAMS = \
 	umount2 \
 	umovestr \
 	umovestr2 \
+	uname \
 	unix-pair-send-recv \
 	userfaultfd \
 	utime \
@@ -326,6 +327,7 @@ TESTS = \
 	umount2.test \
 	umovestr.test \
 	umovestr2.test \
+	uname.test \
 	userfaultfd.test \
 	utime.test \
 	utimensat.test \
diff --git a/tests/uname.c b/tests/uname.c
new file mode 100644
index 0000000..ac1adce
--- /dev/null
+++ b/tests/uname.c
@@ -0,0 +1,38 @@
+#include "tests.h"
+#include <sys/syscall.h>
+
+#ifdef __NR_uname
+
+# include <stdio.h>
+# include <sys/utsname.h>
+# include <unistd.h>
+
+int main()
+{
+	struct utsname *const uname = tail_alloc(sizeof(struct utsname));
+	int rc = syscall(__NR_uname, uname);
+	printf("uname({sysname=\"%s\", nodename=\"%s\", release=\"%s\""
+	       ", version=\"%s\", machine=\"%s\""
+# ifdef _GNU_SOURCE
+	       ", domainname=\"%s\""
+# endif
+	       "}) = %d\n",
+	       uname->sysname,
+	       uname->nodename,
+	       uname->release,
+	       uname->version,
+	       uname->machine,
+# ifdef _GNU_SOURCE
+	       uname->domainname,
+# endif
+	       rc);
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_uname")
+
+#endif
diff --git a/tests/uname.test b/tests/uname.test
new file mode 100755
index 0000000..d11af15
--- /dev/null
+++ b/tests/uname.test
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# Check uname syscall decoding.
+
+. "${srcdir=.}/init.sh"
+
+run_prog > /dev/null
+OUT="$LOG.out"
+run_strace -v -euname $args >"$OUT"
+match_diff "$LOG" "$OUT"
+rm -f "$OUT"
-- 
1.8.3.1