tests: add lseek.test and llseek.test

* tests/llseek.c: New file.
* tests/lseek.c: Likewise.
* tests/llseek.test: New test.
* tests/lseek.test: Likewise.
* tests/Makefile.am (check_PROGRAMS): Add llseek and lseek.
(TESTS): Add llseek.test and lseek.test.
* tests/.gitignore: Add llseek and lseek.

tests/.gitignore

@@ -24,6 +24,8 @@ ipc_msg
 ipc_msgbuf
 ipc_sem
 ipc_shm
+llseek
+lseek
 membarrier
 memfd_create
 mlock2

tests/Makefile.am

@@ -37,6 +37,8 @@ check_PROGRAMS = \
 	ipc_msgbuf \
 	ipc_sem \
 	ipc_shm \
+	llseek \
+	lseek \
 	membarrier \
 	memfd_create \
 	mlock2 \
@@ -144,6 +146,8 @@ TESTS = \
 	ipc_msgbuf.test \
 	ipc_shm.test \
 	ipc_sem.test \
+	llseek.test \
+	lseek.test \
 	mq.test \
 	pselect6.test \
 	readdir.test \

tests/llseek.c

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <sys/syscall.h>
+
+#ifdef __NR__llseek
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int
+main(void)
+{
+	const unsigned long high = 0xdefaced;
+	const unsigned long low = 0xdeadbeef;
+	const unsigned long long offset = 0xdefaceddeadbeef;
+	unsigned long long result;
+	int rc = syscall(__NR__llseek, -1, high, low, &result, SEEK_SET);
+
+	if (rc != -1 || EBADF != errno)
+		return 77;
+
+	printf("_llseek(-1, %Lu, %p, SEEK_SET) = -1 EBADF (Bad file descriptor)\n",
+	       offset, &result);
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+int
+main(void)
+{
+	return 77;
+}
+
+#endif

tests/llseek.test

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

tests/lseek.c

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <sys/syscall.h>
+
+#ifdef __NR_lseek
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "kernel_types.h"
+
+int
+main(void)
+{
+	const kernel_ulong_t offset = (kernel_ulong_t) 0xdefaced0badc0deULL;
+	int rc;
+
+	if (sizeof(offset) > sizeof(long))
+		rc = lseek(-1, offset, SEEK_SET);
+	else
+		rc = syscall(__NR_lseek, -1L, offset, SEEK_SET);
+
+	if (rc != -1 || EBADF != errno)
+		return 77;
+
+	printf("lseek(-1, %Lu, SEEK_SET) = -1 EBADF (Bad file descriptor)\n",
+	       (unsigned long long) offset);
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+int
+main(void)
+{
+	return 77;
+}
+
+#endif

tests/lseek.test

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Check lseek syscall decoding.
+
+. "${srcdir=.}/init.sh"
+
+run_prog > /dev/null
+OUT="$LOG.out"
+run_strace -a30 -elseek $args > "$OUT"
+match_diff "$LOG" "$OUT"
+rm -f "$OUT"
+
+exit 0