52 lines
1.5 KiB
Diff
52 lines
1.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Vladimir Serbinenko <phcoder@gmail.com>
|
|
Date: Mon, 23 Jan 2017 20:21:05 +0300
|
|
Subject: [PATCH] Support lseek64.
|
|
|
|
Android doesn't have 64-bit off_t, so use off64_t instead.
|
|
---
|
|
configure.ac | 5 ++++-
|
|
grub-core/osdep/unix/hostdisk.c | 8 ++++++++
|
|
2 files changed, 12 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/configure.ac b/configure.ac
|
|
index d10d8adac58..e0262e159f0 100644
|
|
--- a/configure.ac
|
|
+++ b/configure.ac
|
|
@@ -373,7 +373,10 @@ case "$host_os" in
|
|
;;
|
|
*)
|
|
AC_CHECK_SIZEOF(off_t)
|
|
- test x"$ac_cv_sizeof_off_t" = x8 || AC_MSG_ERROR([Large file support is required]);;
|
|
+ if test x"$ac_cv_sizeof_off_t" != x8 ; then
|
|
+ AC_CHECK_SIZEOF(off64_t)
|
|
+ test x"$ac_cv_sizeof_off64_t" = x8 || AC_MSG_ERROR([Large file support is required])
|
|
+ fi;;
|
|
esac
|
|
|
|
if test x$USE_NLS = xno; then
|
|
diff --git a/grub-core/osdep/unix/hostdisk.c b/grub-core/osdep/unix/hostdisk.c
|
|
index 2a8c5882e3d..5450cf4166e 100644
|
|
--- a/grub-core/osdep/unix/hostdisk.c
|
|
+++ b/grub-core/osdep/unix/hostdisk.c
|
|
@@ -77,11 +77,19 @@ grub_util_get_fd_size (grub_util_fd_t fd, const char *name, unsigned *log_secsiz
|
|
int
|
|
grub_util_fd_seek (grub_util_fd_t fd, grub_uint64_t off)
|
|
{
|
|
+#if SIZEOF_OFF_T == 8
|
|
off_t offset = (off_t) off;
|
|
|
|
if (lseek (fd, offset, SEEK_SET) != offset)
|
|
return -1;
|
|
+#elif SIZEOF_OFF64_T == 8
|
|
+ off64_t offset = (off64_t) off;
|
|
|
|
+ if (lseek64 (fd, offset, SEEK_SET) != offset)
|
|
+ return -1;
|
|
+#else
|
|
+#error "No large file support"
|
|
+#endif
|
|
return 0;
|
|
}
|
|
|