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62daa27056
Many of GRUB's utilities don't check anywhere near all the possible write errors. For example, if grub-install runs out of space when copying a file, it won't notice. There were missing checks for the return values of write, fflush, fsync, and close (or the equivalents on other OSes), all of which must be checked. I tried to be consistent with the existing logging practices of the various hostdisk implementations, but they weren't entirely consistent to start with so I used my judgement. The result at least looks reasonable on GNU/Linux when I provoke a write error: Installing for x86_64-efi platform. grub-install: error: cannot copy `/usr/lib/grub/x86_64-efi-signed/grubx64.efi.signed' to `/boot/efi/EFI/debian/grubx64.efi': No space left on device. There are more missing checks in other utilities, but this should fix the most critical ones. Fixes Debian bug #922741. Signed-off-by: Colin Watson <cjwatson@ubuntu.com> Reviewed-by: Steve McIntyre <93sam@debian.org> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2013 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_HOSTFILE_EMU_HEADER
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#define GRUB_HOSTFILE_EMU_HEADER 1
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#include <grub/disk.h>
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#include <grub/partition.h>
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#include <sys/types.h>
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#include <grub/osdep/hostfile.h>
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int
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grub_util_is_directory (const char *path);
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int
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grub_util_is_special_file (const char *path);
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int
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grub_util_is_regular (const char *path);
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char *
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grub_util_path_concat (size_t n, ...);
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char *
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grub_util_path_concat_ext (size_t n, ...);
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int
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grub_util_fd_seek (grub_util_fd_t fd, grub_uint64_t off);
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ssize_t
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EXPORT_FUNC(grub_util_fd_read) (grub_util_fd_t fd, char *buf, size_t len);
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ssize_t
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EXPORT_FUNC(grub_util_fd_write) (grub_util_fd_t fd, const char *buf, size_t len);
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grub_util_fd_t
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EXPORT_FUNC(grub_util_fd_open) (const char *os_dev, int flags);
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const char *
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EXPORT_FUNC(grub_util_fd_strerror) (void);
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int
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grub_util_fd_sync (grub_util_fd_t fd);
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void
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grub_util_disable_fd_syncs (void);
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int
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EXPORT_FUNC(grub_util_fd_close) (grub_util_fd_t fd);
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grub_uint64_t
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grub_util_get_fd_size (grub_util_fd_t fd, const char *name, unsigned *log_secsize);
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char *
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grub_util_make_temporary_file (void);
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char *
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grub_util_make_temporary_dir (void);
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void
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grub_util_unlink_recursive (const char *name);
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grub_uint32_t
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grub_util_get_mtime (const char *name);
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#endif /* ! GRUB_BIOSDISK_MACHINE_UTIL_HEADER */
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