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Laurent Vivier 2006-06-01 23:00:32 +00:00
parent cf1f03dd19
commit b07e009f79
1 changed files with 59 additions and 0 deletions
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59
libemile/emile_second_set_param.c Normal file
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/*
*
* (c) 2006 Laurent Vivier <LaurentVivier@wanadoo.fr>
*
*/
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include "libemile.h"
int emile_second_set_param(int fd, char *kernel, char *parameters, char *initrd)
{
int ret;
int drive, second, size;
char *configuration;
off_t offset;
/* can work on an image or directly on second level file */
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;
}
offset = lseek(fd, 0, SEEK_CUR);
configuration = emile_second_get_configuration(fd);
if (configuration == NULL)
return -1;
if (kernel != NULL)
emile_second_set_property(configuration, "kernel", kernel);
if (parameters != NULL)
emile_second_set_property(configuration, "parameters", parameters);
if (initrd != NULL)
emile_second_set_property(configuration, "initrd", initrd);
emile_second_set_property(configuration, "vga", "default");
ret = lseek(fd, offset, SEEK_SET);
if (ret == -1)
return -1;
ret = emile_second_set_configuration(fd, configuration);
if (ret != 0)
return -1;
free(configuration);
return 0;
}