@@ -163,6 +163,27 @@ do_test (int argc, char *argv[])
error (0, errno, "lseek64 failed with error");
exit (EXIT_FAILURE);
}
+ off64_t offset64 = lseek64 (fd, 0, SEEK_CUR);
+ if (offset64 != TWO_GB + 100)
+ {
+ error (0, 0, "lseek64 did not return expected offset");
+ exit (EXIT_FAILURE);
+ }
+ off_t offset = lseek (fd, 0, SEEK_CUR);
+ if (sizeof (off_t) < sizeof (off64_t))
+ {
+ if (offset != -1 || errno != EOVERFLOW)
+ {
+ error (0, 0, "lseek did not fail with EOVERFLOW");
+ exit (EXIT_FAILURE);
+ }
+ }
+ else
+ if (offset != TWO_GB + 100)
+ {
+ error (0, 0, "lseek did not return expected offset");
+ exit (EXIT_FAILURE);
+ }
ret = write (fd, "Hello", 5);
if (ret == -1 && errno == EFBIG)
new file mode 100644
@@ -0,0 +1,36 @@
+/* MIPS n32 lseek implementation.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <errno.h>
+
+off_t
+__lseek (int fd, off_t offset, int whence)
+{
+ off64_t res = __lseek64 (fd, offset, whence);
+ if (res != (off_t) res)
+ {
+ __set_errno (EOVERFLOW);
+ return (off_t) -1;
+ }
+ return (off_t) res;
+}
+libc_hidden_def (__lseek)
+weak_alias (__lseek, lseek)
+strong_alias (__lseek, __libc_lseek)
@@ -1,5 +1,9 @@
# File name Caller Syscall name # args Strong name Weak names
+# C syscall macros cannot be used because this syscall has a 64-bit
+# return value.
+lseek64 - lseek i:iii __lseek64 __libc_lseek64 lseek64 llseek
+
mmap64 - mmap b:aniiii __mmap64 mmap64
readahead - readahead i:iii __readahead readahead