EMILE/libemile/emile_second_get_param.c

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/*
*
* (c) 2006 Laurent Vivier <Laurent@lvivier.info>
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*
*/
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include "libemile.h"
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#include "libconfig.h"
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int emile_second_get_param(int fd, char *kernel, char *parameters, char *initrd)
{
int ret;
int drive, second, size;
char *configuration;
/* can work on an image or directly on second level file */
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lseek(fd, 0, SEEK_SET);
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ret = emile_first_get_param(fd, &drive, &second, &size);
if (ret == EEMILE_UNKNOWN_FIRST)
{
/* should be a second level file */
ret = lseek(fd, 0, SEEK_SET);
if (ret == -1)
return -1;
}
configuration = emile_second_get_configuration(fd);
if (configuration == NULL)
return -1;
if (kernel != NULL)
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config_get_property(configuration, "kernel", kernel);
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if (parameters != NULL)
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config_get_property(configuration, "parameters", parameters);
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if (initrd != NULL)
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config_get_property(configuration, "initrd", initrd);
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free(configuration);
return 0;
}