tests: add faccessat.test

* tests/faccessat.c: New file.
* tests/faccessat.test: New test.
* tests/.gitignore: Add faccessat.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add faccessat.test.

tests/.gitignore

@@ -30,6 +30,7 @@ execve
 execve-v
 execveat
 execveat-v
+faccessat
 fanotify_mark
 fchmod
 fcntl

tests/Makefile.am

@@ -81,6 +81,7 @@ check_PROGRAMS = \
 	execve-v \
 	execveat \
 	execveat-v \
+	faccessat \
 	fanotify_mark \
 	fchmod \
 	fcntl \
@@ -254,6 +255,7 @@ DECODER_TESTS = \
 	execve-v.test \
 	execveat.test \
 	execveat-v.test \
+	faccessat.test \
 	fanotify_mark.test \
 	fchmod.test \
 	fcntl.test \

tests/faccessat.c

@@ -0,0 +1,29 @@
+#include "tests.h"
+#include <sys/syscall.h>
+
+#ifdef __NR_faccessat
+
+# include <errno.h>
+# include <stdio.h>
+# include <unistd.h>
+
+# define TMP_FILE "faccessat_tmpfile"
+
+int
+main(void)
+{
+	const long int fd = (long int) 0xdeadbeefffffffff;
+	int rc = syscall(__NR_faccessat, fd, TMP_FILE, F_OK);
+	printf("faccessat(%d, \"%s\", F_OK) = %d %s (%m)\n",
+	       (int) fd, TMP_FILE, rc,
+	       errno == ENOSYS ? "ENOSYS" : "EBADF");
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_faccessat")
+
+#endif

tests/faccessat.test

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# Check faccessat syscall decoding.
+
+. "${srcdir=.}/init.sh"
+
+run_prog > /dev/null
+OUT="$LOG.out"
+run_strace -efaccessat $args > "$OUT"
+match_diff "$LOG" "$OUT"
+rm -f "$OUT"