libburnia/libisofs
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Little changes.

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This commit is contained in:
Vreixo Formoso
2007-12-02 17:59:36 +01:00
parent 5fa2490a48
commit 79c37ff193
7 changed files with 207 additions and 51 deletions
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50
src/fs_local.c
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@ -24,6 +24,11 @@
#include <libgen.h>
#include <string.h>
/*
* We can share a local filesystem object, as it has no private atts.
*/
IsoFilesystem *lfs = NULL;
typedef struct
{
/* IsoFilesystem *fs; It seems not needed */
@ -314,6 +319,12 @@ int lfs_readlink(IsoFileSource *src, char *buf, size_t bufsiz)
return ISO_SUCCESS;
}
static
IsoFilesystem* lfs_get_filesystem(IsoFileSource *src)
{
return src == NULL ? NULL : lfs;
}
static
void lfs_free(IsoFileSource *src)
{
@ -328,6 +339,7 @@ void lfs_free(IsoFileSource *src)
free(data->path);
free(data);
iso_filesystem_unref(lfs);
}
/**
@ -344,6 +356,11 @@ int iso_file_source_new_lfs(const char *path, IsoFileSource **src)
return ISO_NULL_POINTER;
}
if (lfs == NULL) {
/* this should never happen */
return ISO_ERROR;
}
/* allocate memory */
data = malloc(sizeof(_LocalFsFileSource));
if (data == NULL) {
@ -379,7 +396,11 @@ int iso_file_source_new_lfs(const char *path, IsoFileSource **src)
lfs_src->read = lfs_read;
lfs_src->readdir = lfs_readdir;
lfs_src->readlink = lfs_readlink;
lfs_src->get_filesystem = lfs_get_filesystem;
lfs_src->free = lfs_free;
/* take a ref to local filesystem */
iso_filesystem_ref(lfs);
/* return */
*src = lfs_src;
@ -413,24 +434,27 @@ void lfs_fs_free(IsoFilesystem *fs)
int iso_local_filesystem_new(IsoFilesystem **fs)
{
IsoFilesystem *lfs;
if (fs == NULL) {
return ISO_NULL_POINTER;
}
lfs = malloc(sizeof(IsoFilesystem));
if (lfs == NULL) {
return ISO_OUT_OF_MEM;
if (lfs != NULL) {
/* just take a new ref */
iso_filesystem_ref(lfs);
} else {
lfs = malloc(sizeof(IsoFilesystem));
if (lfs == NULL) {
return ISO_OUT_OF_MEM;
}
/* fill struct */
lfs->refcount = 1;
lfs->data = NULL; /* we don't need private data */
lfs->get_root = lfs_get_root;
lfs->get_by_path = lfs_get_by_path;
lfs->free = lfs_fs_free;
}
/* fill struct */
lfs->refcount = 1;
lfs->data = NULL; /* we don't need private data */
lfs->get_root = lfs_get_root;
lfs->get_by_path = lfs_get_by_path;
lfs->free = lfs_fs_free;
*fs = lfs;
return ISO_SUCCESS;
}