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Support for close and readdir.

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This commit is contained in:
Vreixo Formoso 2008-01-02 19:12:12 +01:00
parent a7b687818f
commit 5bf798d550
1 changed files with 54 additions and 4 deletions
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58
src/fs_image.c
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@ -394,8 +394,28 @@ int ifs_open(IsoFileSource *src)
static
int ifs_close(IsoFileSource *src)
{
//TODO implement
return -1;
ImageFileSourceData *data;
if (src == NULL || src->data == NULL) {
return ISO_NULL_POINTER;
}
data = (ImageFileSourceData*)src->data;
if (!data->opened) {
return ISO_FILE_NOT_OPENNED;
}
if (data->opened == 2) {
/* close a dir, free all pending pre-allocated children */
child_list_free((struct child_list*) data->data.content);
data->data.content = NULL;
data->opened = 0;
} else {
// TODO handle files
return ISO_ERROR;
}
return ISO_SUCCESS;
}
static
@ -408,8 +428,38 @@ int ifs_read(IsoFileSource *src, void *buf, size_t count)
static
int ifs_readdir(IsoFileSource *src, IsoFileSource **child)
{
//TODO implement
return -1;
ImageFileSourceData *data, *cdata;
struct child_list *children;
if (src == NULL || src->data == NULL || child == NULL) {
return ISO_NULL_POINTER;
}
data = (ImageFileSourceData*)src->data;
if (!data->opened) {
return ISO_FILE_NOT_OPENNED;
} else if (data->opened != 2) {
return ISO_FILE_IS_NOT_DIR;
}
/* return the first child and free it */
if (data->data.content == NULL) {
return 0; /* EOF */
}
children = (struct child_list*)data->data.content;
*child = children->file;
cdata = (ImageFileSourceData*)(*child)->data;
/* set the ref to the parent */
cdata->parent = src;
iso_file_source_ref(src);
/* free the first element of the list */
data->data.content = children->next;
free(children);
return ISO_SUCCESS;
}
static