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/*
* Copyright (c) 2012 Michael Olbrich <m.olbrich@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <confuse.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include "genimage.h"
static int vfat_generate(struct image *image)
{
int ret;
struct partition *part;
char *extraargs = cfg_getstr(image->imagesec, "extraargs");
ret = systemp(image, "%s if=/dev/zero of=\"%s\" seek=%lld count=0 bs=1 2>/dev/null",
get_opt("dd"), imageoutfile(image), image->size);
if (ret)
return ret;
ret = systemp(image, "%s %s '%s'", get_opt("mkdosfs"),
extraargs, imageoutfile(image));
if (ret)
return ret;
list_for_each_entry(part, &image->partitions, list) {
struct image *child = image_get(part->image);
const char *file = imageoutfile(child);
const char *target = part->name;
char *path = strdupa(target);
char *next = path;
while ((next = strchr(next, '/')) != NULL) {
*next = '\0';
/* ignore the error: mdd fails if the target exists. */
systemp(image, "MTOOLS_SKIP_CHECK=1 %s -DsS -i %s '::%s'",
get_opt("mmd"), imageoutfile(image), path);
*next = '/';
++next;
}
image_info(image, "adding file '%s' as '%s' ...\n",
child->file, *target ? target : child->file);
ret = systemp(image, "MTOOLS_SKIP_CHECK=1 %s -bsp -i '%s' '%s' '::%s'",
get_opt("mcopy"), imageoutfile(image),
file, target);
if (ret)
return ret;
}
if (!list_empty(&image->partitions))
return 0;
ret = systemp(image, "MTOOLS_SKIP_CHECK=1 %s -bsp -i '%s' '%s'/* ::",
get_opt("mcopy"), imageoutfile(image), mountpath(image));
return ret;
}
static int vfat_setup(struct image *image, cfg_t *cfg)
{
if (!image->size) {
image_error(image, "no size given or must not be zero\n");
return -EINVAL;
}
return 0;
}
static int vfat_parse(struct image *image, cfg_t *cfg)
{
unsigned int i;
unsigned int num_files;
struct partition *part;
num_files = cfg_size(cfg, "file");
for (i = 0; i < num_files; i++) {
cfg_t *filesec = cfg_getnsec(cfg, "file", i);
part = xzalloc(sizeof *part);
part->name = cfg_title(filesec);
part->image = cfg_getstr(filesec, "image");
list_add_tail(&part->list, &image->partitions);
}
for(i = 0; i < cfg_size(cfg, "files"); i++) {
part = xzalloc(sizeof *part);
part->image = cfg_getnstr(cfg, "files", i);
part->name = "";
list_add_tail(&part->list, &image->partitions);
}
return 0;
}
static cfg_opt_t file_opts[] = {
CFG_STR("image", NULL, CFGF_NONE),
CFG_END()
};
static cfg_opt_t vfat_opts[] = {
CFG_STR("extraargs", "", CFGF_NONE),
CFG_STR_LIST("files", 0, CFGF_NONE),
CFG_SEC("file", file_opts, CFGF_MULTI | CFGF_TITLE),
CFG_END()
};
struct image_handler vfat_handler = {
.type = "vfat",
.generate = vfat_generate,
.setup = vfat_setup,
.parse = vfat_parse,
.opts = vfat_opts,
};
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