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Add open_map_of() and backup_bootblock()

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This commit is contained in:
Laurent Vivier 2004-12-23 22:35:36 +00:00
parent 01cc6d189d
commit ba478e64a2
1 changed files with 69 additions and 32 deletions
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101
tools/emile.c
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@ -64,19 +64,32 @@ static void usage(int argc, char** argv)
fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
}
static int open_map_of( char *dev_name, int flags,
emile_map_t **map, int *partition)
{
int ret;
int disk;
char disk_name[16];
ret = emile_scsi_get_rdev(dev_name, &disk, partition);
if (ret == -1)
return -1;
sprintf(disk_name, "/dev/sd%c", 'a' + disk);
*map = emile_map_open(disk_name, flags);
return 0;
}
static int check_has_apple_driver(char *dev_name)
{
emile_map_t *map;
int ret;
int disk;
int partition;
char disk_name[16];
int ret;
ret = emile_scsi_get_rdev(dev_name, &disk, &partition);
sprintf(disk_name, "/dev/sd%c", 'a' + disk);
map = emile_map_open(disk_name, O_RDONLY);
if (map == NULL)
ret = open_map_of(dev_name, O_RDONLY, &map, &partition);
if (ret == -1)
return -1;
ret = emile_map_has_apple_driver(map);
@ -89,16 +102,11 @@ static int check_is_hfs(char *dev_name)
{
emile_map_t *map;
int ret;
int disk;
int partition;
char disk_name[16];
char *part_type;
ret = emile_scsi_get_rdev(dev_name, &disk, &partition);
sprintf(disk_name, "/dev/sd%c", 'a' + disk);
map = emile_map_open(disk_name, O_RDONLY);
if (map == NULL)
ret = open_map_of(dev_name, O_RDONLY, &map, &partition);
if (ret == -1)
return -1;
ret = emile_map_read(map, partition - 1);
@ -117,17 +125,12 @@ static int check_is_EMILE_bootblock(char *dev_name)
{
emile_map_t *map;
int ret;
int disk;
int partition;
char disk_name[16];
char bootblock[BOOTBLOCK_SIZE];
int bootblock_type;
ret = emile_scsi_get_rdev(dev_name, &disk, &partition);
sprintf(disk_name, "/dev/sd%c", 'a' + disk);
map = emile_map_open(disk_name, O_RDONLY);
if (map == NULL)
ret = open_map_of(dev_name, O_RDONLY, &map, &partition);
if (ret == -1)
return -1;
ret = emile_map_read(map, partition - 1);
@ -149,15 +152,10 @@ static int check_is_startup(char *dev_name)
{
emile_map_t *map;
int ret;
int disk;
int partition;
char disk_name[16];
ret = emile_scsi_get_rdev(dev_name, &disk, &partition);
sprintf(disk_name, "/dev/sd%c", 'a' + disk);
map = emile_map_open(disk_name, O_RDONLY);
if (map == NULL)
ret = open_map_of(dev_name, O_RDONLY, &map, &partition);
if (ret == -1)
return -1;
ret = emile_map_read(map, partition - 1);
@ -171,9 +169,48 @@ static int check_is_startup(char *dev_name)
return ret;
}
static int backup_bootblock(char *dev_name)
static int backup_bootblock(char *dev_name, char *filename)
{
return -1;
emile_map_t *map;
int ret;
int partition;
char bootblock[BOOTBLOCK_SIZE];
int fd;
ret = open_map_of(dev_name, O_RDONLY, &map, &partition);
if (ret == -1)
return -1;
ret = emile_map_read(map, partition - 1);
if (ret == -1)
return -1;
ret = emile_map_bootblock_read(map, bootblock);
if (ret == -1)
return -1;
emile_map_close(map);
/* save bootblock */
fd = open(filename, O_CREAT | O_EXCL | O_WRONLY, S_IRUSR | S_IWUSR);
if (fd == -1)
{
if (errno == EEXIST)
{
fprintf(stderr, "ERROR: \"%s\" already exists.\n",
filename);
}
return -1;
}
ret = write(fd, bootblock, BOOTBLOCK_SIZE);
if (ret != BOOTBLOCK_SIZE)
return -1;
close(fd);
return 0;
}
int main(int argc, char **argv)
@ -363,7 +400,7 @@ int main(int argc, char **argv)
return -1;
}
ret = backup_bootblock(partition);
ret = backup_bootblock(partition, backup_path);
if (ret == -1)
{
fprintf(stderr,