add _xstat and _lxstat

configure.ac

@@ -106,6 +106,8 @@ _xstat
 lutimes
 mkostemp
 mkostemps
+_xstat
+_lxstat
 )
 
 

src/include/longpath/longpath_tbl_functions.h

@@ -73,6 +73,14 @@ FUNCTION(int, fsetxattr, int, const char *, const void *, size_t, int)
 #endif
 #endif
 
+/* solaris legacy */
+#ifdef HAVE__XSTAT
+FUNCTION(int, _xstat, int, const char *, struct stat *)
+#endif
+#ifdef HAVE__LXSTAT
+FUNCTION(int, _lxstat, int, const char *, struct stat *)
+#endif
+
 #if defined(INTERPOSE) && defined(TRACE)
 FUNCTION(void *, dlopen, const char *, int mode)
 #endif

src/longpath.c

@@ -870,11 +870,32 @@ int
 our(stat)(const char *name, struct stat *sb) {
 	return our(fstatat)(AT_FDCWD, name, sb, 0);
 }
+#ifdef HAVE__XSTAT
+int
+our(_xstat)(int ver, const char *name, struct stat *sb) {
+	if (ver != _STAT_VER) {
+		errno = EINVAL;
+		return -1;
+	}
+	return our(fstatat)(AT_FDCWD, name, sb, 0);
+}
+#endif
 
 int
 our(lstat)(const char *name, struct stat *sb) {
 	return our(fstatat)(AT_FDCWD, name, sb, AT_SYMLINK_NOFOLLOW);
 }
+#ifdef HAVE__XSTAT
+int
+our(_lxstat)(int ver, const char *name, struct stat *sb) {
+	if (ver != _STAT_VER) {
+		errno = EINVAL;
+		return -1;
+	}
+	return our(fstatat)(AT_FDCWD, name, sb, AT_SYMLINK_NOFOLLOW);
+}
+#endif
+
 
 #if !defined(_LP64)
 int