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New API call iso_read_opts_set_new_inos()

This commit is contained in:
Thomas Schmitt 2009-05-01 15:00:43 +02:00
parent 95381ce258
commit 1218e6e32d
2 changed files with 58 additions and 17 deletions
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46
libisofs/fs_image.c
View File

@ -63,6 +63,13 @@ struct iso_read_opts
unsigned int noiso1999 : 1; /*< Do not read ISO 9660:1999 enhanced tree */
unsigned int noaaip : 1; /* Do not read AAIP extension for xattr and ACL */
/* ts A90425 */
/**
* Hand out new inode numbers and overwrite eventually read PX inode
* numbers. This will split apart any hardlinks.
*/
unsigned int make_new_ino : 1 ;
/**
* When both Joliet and RR extensions are present, the RR tree is used.
* If you prefer using Joliet, set this to 1.
@ -89,13 +96,6 @@ struct iso_read_opts
*/
int auto_input_charset;
/* ts A90425 */
/**
* Hand out new inode numbers and overwrite eventually read PX inode
* numbers. This will split apart any hardlinks.
*/
int make_new_ino : 1 ;
};
/**
@ -270,6 +270,10 @@ typedef struct
uint32_t imgblock; /**< Block for El-Torito boot image */
uint32_t catblock; /**< Block for El-Torito catalog */
/* ts A90501 */
/* Whether inode numbers from PX entries shall be discarded */
unsigned int make_new_ino : 1 ;
/* Inode number generator counter */
ino_t inode_counter;
@ -2334,6 +2338,7 @@ int iso_image_filesystem_new(IsoDataSource *src, struct iso_read_opts *opts,
data->msgid = msgid;
data->aaip_load = !opts->noaaip;
data->aaip_version = -1;
data->make_new_ino = opts->make_new_ino;
data->inode_counter = 0;
data->px_ino_status = 0;
@ -2585,6 +2590,7 @@ int image_builder_create_node(IsoNodeBuilder *builder, IsoImage *image,
IsoNode *new;
char *name;
ImageFileSourceData *data;
_ImageFsData *fsdata;
#ifdef Libisofs_with_zliB
/* Intimate friendship with this function in filters/zisofs.c */
@ -2599,6 +2605,7 @@ int image_builder_create_node(IsoNodeBuilder *builder, IsoImage *image,
}
data = (ImageFileSourceData*)src->data;
fsdata = data->fs->data;
name = iso_file_source_get_name(src);
@ -2613,7 +2620,6 @@ int image_builder_create_node(IsoNodeBuilder *builder, IsoImage *image,
case S_IFREG:
{
/* source is a regular file */
_ImageFsData *fsdata = data->fs->data;
/* El-Torito images have only one section */
if (fsdata->eltorito && data->sections[0].block == fsdata->catblock) {
@ -2788,7 +2794,8 @@ int image_builder_create_node(IsoNodeBuilder *builder, IsoImage *image,
/* ts A90428 */
/* Attach ino as xinfo if valid and no IsoStream is involved */
if (info.st_ino != 0 && (info.st_mode & S_IFMT) != S_IFREG) {
if (info.st_ino != 0 && (info.st_mode & S_IFMT) != S_IFREG &&
!fsdata->make_new_ino) {
ret = iso_node_set_ino(new, info.st_ino, 0);
if (ret < 0)
goto failure;
@ -2940,7 +2947,7 @@ int iso_image_import(IsoImage *image, IsoDataSource *src,
struct iso_read_opts *opts,
IsoReadImageFeatures **features)
{
int ret;
int ret, hflag;
IsoImageFilesystem *fs;
IsoFilesystem *fsback;
IsoNodeBuilder *blback;
@ -3049,11 +3056,14 @@ int iso_image_import(IsoImage *image, IsoDataSource *src,
/* ts A90426 */
if ((data->px_ino_status & (2 | 4 | 8)) || opts->make_new_ino) {
/* Attach new inode numbers to any node which doe not have one,
/* Attach new inode numbers to any node which does not have one,
resp. to all nodes in case of opts->make_new_ino
*/
ret = img_make_inos(image, image->root,
8 | 4 | 2 | !!opts->make_new_ino);
if (opts->make_new_ino)
hflag = 1; /* Equip all data files with new unique inos */
else
hflag = 2 | 4 | 8; /* Equip any file type if it has ino == 0 */
ret = img_make_inos(image, image->root, hflag);
if (ret < 0) {
iso_node_builder_unref(image->builder);
goto import_revert;
@ -3293,6 +3303,16 @@ int iso_read_opts_set_no_aaip(IsoReadOpts *opts, int noaaip)
return ISO_SUCCESS;
}
int iso_read_opts_set_new_inos(IsoReadOpts *opts, int new_inos)
{
if (opts == NULL) {
return ISO_NULL_POINTER;
}
opts->make_new_ino = new_inos ? 1 : 0;
return ISO_SUCCESS;
}
int iso_read_opts_set_preferjoliet(IsoReadOpts *opts, int preferjoliet)
{
if (opts == NULL) {

29
libisofs/libisofs.h
View File

@ -1653,13 +1653,34 @@ int iso_read_opts_set_no_iso1999(IsoReadOpts *opts, int noiso1999);
* (e.g. the local POSIX filesystem) see iso_image_set_ignore_aclea().
* For eventual writing of this information see iso_write_opts_set_aaip().
*
* @param noaaip 1 = do not read AAIP information
* 0 = read AAIP information if available
* All other values are reserved.
* @param noaaip
* 1 = Do not read AAIP information
* 0 = Read AAIP information if available
* All other values are reserved.
* @since 0.6.14
*/
int iso_read_opts_set_no_aaip(IsoReadOpts *opts, int noaaip);
/**
* Control discarding of eventual inode numbers from existing images.
* Such numbers may come from RRIP 1.12 entries PX. If not discarded they
* get written unchanged when the file object gets written into an ISO image.
* If this inode number is missing with a file in the imported image,
* or if it has been discarded during image reading, then a unique inode number
* will be generated at some time before the file gets written into an ISO
* image.
* Two image nodes which have the same inode number represent two hardlinks
* of the same file object. So discarding the numbers splits hardlinks.
*
* @param new_inos
* 1 = Discard imported inode numbers and finally hand out a unique new
* one to each single file before it gets written into an ISO image.
* 0 = Keep eventual inode numbers from PX entries.
* All other values are reserved.
* @since 0.6.20
*/
int iso_read_opts_set_new_inos(IsoReadOpts *opts, int new_inos);
/**
* Whether to prefer Joliet over RR. libisofs usually prefers RR over
* Joliet, as it give us much more info about files. So, if both extensions
@ -5285,7 +5306,7 @@ struct burn_source {
/* ---------------------------- Experiments ---------------------------- */
/* Hardlinks : During image generation accompany the ree of IsoFileSrc
/* Hardlinks : During image generation accompany the tree of IsoFileSrc
by a sorted structure of Ecma119Node.
The sorting order shall bring together candidates for being
hardlink siblings resp. having identical content.