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Function to get root FileSource on a IsoImageFilesystem.

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This commit is contained in:
Vreixo Formoso 2007-12-31 22:00:44 +01:00
parent be37936534
commit 2a0f762213
1 changed files with 37 additions and 5 deletions
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40
src/fs_image.c
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@ -20,6 +20,10 @@
#include <stdlib.h>
#include <string.h>
static int ifs_fs_open(IsoImageFilesystem *fs);
static int ifs_fs_close(IsoImageFilesystem *fs);
#define ISO_IMAGE_FS_ID 2
/** unique identifier for each image */
@ -263,7 +267,10 @@ void ifs_free(IsoFileSource *src)
src->class->close(src);
}
//TODO free destination on symlinks
/* free destination if it is a link */
if (S_ISLNK(data->info.st_mode)) {
free(data->data.content);
}
iso_filesystem_unref((IsoFilesystem*)data->fs);
iso_file_source_unref(data->parent);
free(data->name);
@ -614,10 +621,35 @@ ifs_cleanup: ;
static
int ifs_get_root(IsoFilesystem *fs, IsoFileSource **root)
{
//TODO ensure data source is opened
int ret;
_ImageFsData *data;
uint8_t buffer[BLOCK_SIZE];
//TODO not implemented
return -1;
if (fs == NULL || fs->data == NULL || root == NULL) {
return ISO_NULL_POINTER;
}
data = (_ImageFsData*)fs->data;
/* open the filesystem */
ret = ifs_fs_open((IsoImageFilesystem*)fs);
if (ret < 0) {
return ret;
}
/* read extend for root record */
ret = data->src->read_block(data->src, data->iso_root_block, buffer);
if (ret < 0) {
ifs_fs_close((IsoImageFilesystem*)fs);
return ret;
}
/* get root attributes from "." entry */
ret = iso_file_source_new_ifs((IsoImageFilesystem*)fs, NULL,
(struct ecma119_dir_record*) buffer, root);
ifs_fs_close((IsoImageFilesystem*)fs);
return ret;
}
static