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#include "c.h"
#include "strutils.h"
#include "fdiskP.h"
struct fdisk_partition *fdisk_new_partition(void)
{
struct fdisk_partition *pa = calloc(1, sizeof(*pa));
DBG(PART, dbgprint("new %p", pa));
return pa;
}
void fdisk_reset_partition(struct fdisk_partition *pa)
{
if (!pa)
return;
fdisk_free_parttype(pa->type);
free(pa->name);
free(pa->uuid);
free(pa->attrs);
memset(pa, 0, sizeof(*pa));
}
void fdisk_free_partition(struct fdisk_partition *pa)
{
if (!pa)
return;
fdisk_reset_partition(pa);
DBG(PART, dbgprint("free %p", pa));
free(pa);
}
int fdisk_partition_set_start(struct fdisk_partition *pa, uint64_t off)
{
if (!pa)
return -EINVAL;
pa->start = off;
return 0;
}
uint64_t fdisk_partition_get_start(struct fdisk_partition *pa)
{
return pa ? pa->start : 0;
}
int fdisk_partition_set_end(struct fdisk_partition *pa, uint64_t off, int isrel)
{
if (!pa)
return -EINVAL;
pa->end = off;
pa->size = 0;
pa->endrel = isrel ? 1 : 0;
return 0;
}
uint64_t fdisk_partition_get_end(struct fdisk_partition *pa)
{
return pa ? pa->start : 0;
}
int fdisk_partition_set_size(struct fdisk_partition *pa, uint64_t size)
{
if (!pa)
return -EINVAL;
pa->size = size;
pa->end = 0;
return 0;
}
uint64_t fdisk_partition_get_size(struct fdisk_partition *pa)
{
return pa ? pa->size : 0;
}
int fdisk_partition_set_partno(struct fdisk_partition *pa, size_t n)
{
if (!pa)
return -EINVAL;
pa->partno = n;
return 0;
}
size_t fdisk_partition_get_partno(struct fdisk_partition *pa)
{
return pa ? pa->partno : (size_t) -1;
}
int fdisk_partition_set_type(struct fdisk_partition *pa, struct fdisk_parttype *type)
{
if (!pa)
return -EINVAL;
pa->type = type;
return 0;
}
const struct fdisk_parttype *fdisk_partition_get_type(struct fdisk_partition *pa)
{
return pa ? pa->type : NULL;
}
int fdisk_partition_set_name(struct fdisk_partition *pa, const char *name)
{
char *p = NULL;
if (!pa)
return -EINVAL;
if (name) {
p = strdup(name);
if (!p)
return -ENOMEM;
}
free(pa->name);
pa->name = p;
return 0;
}
const char *fdisk_partition_get_name(struct fdisk_partition *pa)
{
return pa ? pa->name : NULL;
}
int fdisk_partition_set_uuid(struct fdisk_partition *pa, const char *uuid)
{
char *p = NULL;
if (!pa)
return -EINVAL;
if (uuid) {
p = strdup(uuid);
if (!p)
return -ENOMEM;
}
free(pa->uuid);
pa->uuid = p;
return 0;
}
const char *fdisk_partition_get_uuid(struct fdisk_partition *pa)
{
return pa ? pa->uuid : NULL;
}
const char *fdisk_partition_get_attrs(struct fdisk_partition *pa)
{
return pa ? pa->attrs : NULL;
}
/* nested partition means logical (within extended partition) */
int fdisk_partition_set_nested(struct fdisk_partition *pa, int nested)
{
if (!pa)
return -EINVAL;
pa->nested = nested ? 1 : 0;
return 0;
}
int fdisk_partition_is_nested(struct fdisk_partition *pa)
{
return pa && pa->nested;
}
int fdisk_partition_is_used(struct fdisk_partition *pa)
{
return pa && pa->used;
}
/**
* fdisk_partition_to_string:
* @pa: partition
* @id: column (FDISK_COL_*)
* @data: returns string with allocated data
*
* Returns info about partition converted to printable string.
*
* For exmaple
*
* struct fdisk_parition *pa = fdisk_new_partition();
*
* fdisk_get_partition(cxt, 0, &pa);
* fdisk_partition_to_string(pa, FDISK_COL_UUID, &data);
* printf("first partition uuid: %s\n", data);
* free(data);
* fdisk_free_partition(pa);
*
* returns UUID for the first partition.
*
* Returns 0 on success, otherwise, a corresponding error.
*/
int fdisk_partition_to_string(struct fdisk_partition *pa,
int id,
char **data)
{
char *p = NULL;
int rc = 0;
if (!pa || !pa->cxt)
return -EINVAL;
switch (id) {
case FDISK_COL_DEVICE:
if (pa->cxt->label->flags & FDISK_LABEL_FL_INCHARS_PARTNO)
rc = asprintf(&p, "%c", (int) pa->partno + 'a');
else
p = fdisk_partname(pa->cxt->dev_path, pa->partno + 1);
break;
case FDISK_COL_START:
rc = pa->start_post ?
asprintf(&p, "%ju%c", pa->start, pa->start_post) :
asprintf(&p, "%ju", pa->start);
break;
case FDISK_COL_END:
rc = pa->end_post ?
asprintf(&p, "%ju%c", pa->end, pa->end_post) :
asprintf(&p, "%ju", pa->end);
break;
case FDISK_COL_SIZE:
if (fdisk_context_display_details(pa->cxt)) {
rc = pa->size_post ?
asprintf(&p, "%ju%c", pa->size, pa->size_post) :
asprintf(&p, "%ju", pa->size);
} else {
p = size_to_human_string(SIZE_SUFFIX_1LETTER, pa->size);
if (!p)
rc = -ENOMEM;
}
break;
case FDISK_COL_BSIZE:
rc = asprintf(&p, "%ju", pa->bsize);
break;
case FDISK_COL_FSIZE:
rc = asprintf(&p, "%ju", pa->fsize);
break;
case FDISK_COL_CPG:
rc = asprintf(&p, "%ju", pa->cpg);
break;
case FDISK_COL_TYPE:
p = pa->type && pa->type->name ? strdup(pa->type->name) : NULL;
break;
case FDISK_COL_UUID:
p = pa->uuid ? strdup(pa->uuid) : NULL;
break;
case FDISK_COL_NAME:
p = pa->name ? strdup(pa->name) : NULL;
break;
case FDISK_COL_ATTR:
p = pa->attrs ? strdup(pa->attrs) : NULL;
break;
default:
return -EINVAL;
}
if (rc < 0)
rc = -ENOMEM;
else if (rc > 0)
rc = 0;
if (data)
*data = p;
return rc;
}
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