eab58da22c
* kern/mm.c (grub_zalloc): New function. (grub_debug_zalloc): Likewise. * include/grub/mm.h: Declare grub_zalloc() and grub_debug_zalloc(). * util/misc.c (grub_zalloc): New function. * bus/usb/uhci.c (grub_uhci_pci_iter): Use grub_zalloc() instead of grub_malloc(), remove unneeded initializations. * bus/usb/usbhub.c (grub_usb_hub_add_dev): Likewise. * commands/extcmd.c (grub_extcmd_dispatcher): Likewise. * commands/parttool.c (grub_cmd_parttool): Likewise. * disk/i386/pc/biosdisk.c (grub_biosdisk_open): Likewise. * disk/raid5_recover.c (grub_raid5_recover): Likewise. * disk/raid6_recover.c (grub_raid6_recover): Likewise. * disk/usbms.c (grub_usbms_finddevs): Likewise. * efiemu/mm.c (grub_efiemu_request_memalign): Likewise. * efiemu/pnvram.c (grub_efiemu_pnvram): Likewise. (grub_cmd_efiemu_pnvram): Likewise. * fs/i386/pc/pxe.c (grub_pxefs_open): Likewise. * fs/iso9660.c (grub_iso9660_mount): Likewise. (grub_iso9660_iterate_dir): Likewise. * fs/jfs.c (grub_jfs_opendir): Likewise. * fs/ntfs.c (list_file): Likewise. (grub_ntfs_mount): Likewise. * kern/disk.c (grub_disk_open): Likewise. * kern/dl.c (grub_dl_load_core): Likewise. * kern/elf.c (grub_elf_file): Likewise. * kern/env.c (grub_env_context_open): Likewise. (grub_env_set): Likewise. (grub_env_set_data_slot): Likewise. * kern/file.c (grub_file_open): Likewise. * kern/fs.c (grub_fs_blocklist_open): Likewise. * loader/i386/multiboot.c (grub_module): Likewise. * loader/xnu.c (grub_xnu_create_key): Likewise. (grub_xnu_create_value): Likewise. * normal/main.c (grub_normal_add_menu_entry): Likewise. (read_config_file): Likewise. * normal/menu_entry.c (make_screen): Likewise. * partmap/sun.c (sun_partition_map_iterate): Likewise. * script/sh/lexer.c (grub_script_lexer_init): Likewise. * script/sh/script.c (grub_script_parse): Likewise. * video/bitmap.c (grub_video_bitmap_create): Likewise. * video/readers/jpeg.c (grub_video_reader_jpeg): Likewise. * video/readers/png.c (grub_png_output_byte): Likewise. (grub_video_reader_png): Likewise.
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/* extcmd.c - support extended command */
|
|
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2009 Free Software Foundation, Inc.
|
|
*
|
|
* GRUB is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <grub/mm.h>
|
|
#include <grub/list.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/extcmd.h>
|
|
|
|
static grub_err_t
|
|
grub_extcmd_dispatcher (struct grub_command *cmd,
|
|
int argc, char **args)
|
|
{
|
|
int new_argc;
|
|
char **new_args;
|
|
struct grub_arg_option *parser;
|
|
struct grub_arg_list *state;
|
|
int maxargs = 0;
|
|
grub_err_t ret;
|
|
grub_extcmd_t ext;
|
|
|
|
ext = cmd->data;
|
|
parser = (struct grub_arg_option *) ext->options;
|
|
while (parser && (parser++)->doc)
|
|
maxargs++;
|
|
|
|
/* Set up the option state. */
|
|
state = grub_zalloc (sizeof (struct grub_arg_list) * maxargs);
|
|
|
|
if (grub_arg_parse (ext, argc, args, state, &new_args, &new_argc))
|
|
{
|
|
ext->state = state;
|
|
ret = (ext->func) (ext, new_argc, new_args);
|
|
grub_free (new_args);
|
|
}
|
|
else
|
|
ret = grub_errno;
|
|
|
|
grub_free (state);
|
|
|
|
return ret;
|
|
}
|
|
|
|
grub_extcmd_t
|
|
grub_register_extcmd (const char *name, grub_extcmd_func_t func,
|
|
unsigned flags, const char *summary,
|
|
const char *description,
|
|
const struct grub_arg_option *parser)
|
|
{
|
|
grub_extcmd_t ext;
|
|
grub_command_t cmd;
|
|
|
|
ext = (grub_extcmd_t) grub_malloc (sizeof (*ext));
|
|
if (! ext)
|
|
return 0;
|
|
|
|
cmd = grub_register_command_prio (name, grub_extcmd_dispatcher,
|
|
summary, description, 1);
|
|
if (! cmd)
|
|
{
|
|
grub_free (ext);
|
|
return 0;
|
|
}
|
|
|
|
cmd->flags = (flags | GRUB_COMMAND_FLAG_EXTCMD);
|
|
cmd->data = ext;
|
|
|
|
ext->cmd = cmd;
|
|
ext->func = func;
|
|
ext->options = parser;
|
|
ext->data = 0;
|
|
|
|
return ext;
|
|
}
|
|
|
|
void
|
|
grub_unregister_extcmd (grub_extcmd_t ext)
|
|
{
|
|
grub_unregister_command (ext->cmd);
|
|
grub_free (ext);
|
|
}
|