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#include "parser.h"
#include "params.h"
#include "paths.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
const char *conf_filename = "/boot/petitboot.conf";
static struct boot_option *cur_opt;
static struct device *dev;
static const char *devpath;
int device_added;
int check_and_add_device(struct device *dev)
{
if (!dev->icon_file)
dev->icon_file = strdup(generic_icon_file(guess_device_type()));
return !add_device(dev);
}
static int section(char *section_name)
{
if (!device_added++ && !check_and_add_device(dev))
return 0;
if (cur_opt) {
add_boot_option(cur_opt);
free_boot_option(cur_opt);
}
cur_opt = malloc(sizeof(*cur_opt));
memset(cur_opt, 0, sizeof(*cur_opt));
return 1;
}
static void set_boot_option_parameter(struct boot_option *opt,
const char *name, const char *value)
{
if (streq(name, "name"))
opt->name = strdup(value);
else if (streq(name, "description"))
opt->description = strdup(value);
else if (streq(name, "image"))
opt->boot_image_file = resolve_path(value, devpath);
else if (streq(name, "icon"))
opt->icon_file = resolve_path(value, devpath);
else if (streq(name, "initrd"))
opt->initrd_file =resolve_path(value, devpath);
else if (streq(name, "args"))
opt->boot_args = strdup(value);
else
fprintf(stderr, "Unknown parameter %s\n", name);
}
static void set_device_parameter(struct device *dev,
const char *name, const char *value)
{
if (streq(name, "name"))
dev->name = strdup(value);
else if (streq(name, "description"))
dev->description = strdup(value);
else if (streq(name, "icon"))
dev->icon_file = resolve_path(value, devpath);
}
static int parameter(char *param_name, char *param_value)
{
if (cur_opt)
set_boot_option_parameter(cur_opt, param_name, param_value);
else
set_device_parameter(dev, param_name, param_value);
return 1;
}
int parse(const char *device)
{
char *filepath;
int rc;
filepath = resolve_path(conf_filename, device);
cur_opt = NULL;
dev = malloc(sizeof(*dev));
memset(dev, 0, sizeof(*dev));
dev->id = strdup(device);
rc = pm_process(filepath, section, parameter);
if (!rc)
return 0;
if (cur_opt) {
add_boot_option(cur_opt);
free_boot_option(cur_opt);
}
cur_opt = NULL;
free(filepath);
return 1;
}
struct parser native_parser = {
.name = "native petitboot parser",
.priority = 100,
.parse = parse
};
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