legacy/trunk/libisofs/volume.c

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
/* vim: set ts=8 sts=8 sw=8 noet : */
#include <stdlib.h>
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#include <string.h>
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#include "libisofs.h"
#include "tree.h"
#include "util.h"
#include "volume.h"
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struct iso_volset*
iso_volset_new(struct iso_volume *vol, const char *id)
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{
struct iso_volset *volset = calloc(1, sizeof(struct iso_volset));
volset->volset_size = 1;
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volset->refcount = 1;
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volset->volume = malloc(sizeof(void *));
volset->volume[0] = vol;
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volset->volset_id = towcs(id);
vol->refcount++;
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return volset;
}
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void
iso_volset_free(struct iso_volset *volset)
{
if (--volset->refcount < 1) {
int i;
for (i = 0; i < volset->volset_size; i++) {
iso_volume_free(volset->volume[i]);
}
free(volset->volume);
free(volset->volset_id);
}
}
struct iso_volume*
iso_volume_new(const char *volume_id,
const char *publisher_id,
const char *data_preparer_id)
{
return iso_volume_new_with_root(volume_id,
publisher_id,
data_preparer_id,
NULL);
}
struct iso_volume*
iso_volume_new_with_root(const char *volume_id,
const char *publisher_id,
const char *data_preparer_id,
struct iso_tree_node *root)
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{
struct iso_volume *volume;
volume = calloc(1, sizeof(struct iso_volume));
volume->refcount = 1;
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volume->root = root ? root : iso_tree_new_root(volume);
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if (volume_id != NULL)
volume->volume_id = towcs(volume_id);
if (publisher_id != NULL)
volume->publisher_id = towcs(publisher_id);
if (data_preparer_id != NULL)
volume->data_preparer_id = towcs(data_preparer_id);
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return volume;
}
void iso_volume_free(struct iso_volume *volume)
{
/* Only free if no references are in use. */
if (--volume->refcount < 1) {
iso_tree_free(volume->root);
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free(volume->volume_id);
free(volume->publisher_id);
free(volume->data_preparer_id);
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free(volume);
}
}
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struct iso_tree_node *iso_volume_get_root(const struct iso_volume *volume)
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{
return volume->root;
}