grub2/0006-Support-lseek64.patch
Javier Martinez Canillas afb0baacd6
Use BLS fragment filename as menu entry id and for sort criterion
The BLS config filenames are guaranteed to be unique, so they can be
used as GRUB2 entry id and can also be used to sort the menu entries.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
2018-07-02 17:33:09 +02:00

54 lines
1.6 KiB
Diff

From 608bec51128008afb81c9e3f297283e9f830a146 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Mon, 23 Jan 2017 20:21:05 +0300
Subject: [PATCH 006/250] 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;
}
--
2.17.1