New API call iso_write_opts_set_hardlinks() controls hardlink matching,
new API call iso_write_opts_set_rrip_1_10_px_ino() controls RRIP-1.10 PX size.
This commit is contained in:
parent
c6f1101e9d
commit
5b073a2f29
@ -887,6 +887,7 @@ int ecma119_image_new(IsoImage *src, IsoWriteOpts *opts, Ecma119Image **img)
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target->rockridge = opts->rockridge;
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target->joliet = opts->joliet;
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target->iso1999 = opts->iso1999;
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target->hardlinks = opts->hardlinks;
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target->aaip = opts->aaip;
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target->always_gmt = opts->always_gmt;
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target->ino = 0;
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@ -901,6 +902,7 @@ int ecma119_image_new(IsoImage *src, IsoWriteOpts *opts, Ecma119Image **img)
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target->relaxed_vol_atts = opts->relaxed_vol_atts;
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target->joliet_longer_paths = opts->joliet_longer_paths;
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target->rrip_version_1_10 = opts->rrip_version_1_10;
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target->rrip_1_10_px_ino = opts->rrip_1_10_px_ino;
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target->aaip_susp_1_10 = opts->aaip_susp_1_10;
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target->dir_rec_mtime = opts->dir_rec_mtime;
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target->sort_files = opts->sort_files;
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@ -1427,6 +1429,15 @@ int iso_write_opts_set_iso1999(IsoWriteOpts *opts, int enable)
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return ISO_SUCCESS;
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}
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int iso_write_opts_set_hardlinks(IsoWriteOpts *opts, int enable)
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{
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if (opts == NULL) {
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return ISO_NULL_POINTER;
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}
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opts->hardlinks = enable ? 1 : 0;
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return ISO_SUCCESS;
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}
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int iso_write_opts_set_aaip(IsoWriteOpts *opts, int enable)
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{
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if (opts == NULL) {
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@ -1526,6 +1537,15 @@ int iso_write_opts_set_rrip_version_1_10(IsoWriteOpts *opts, int oldvers)
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return ISO_SUCCESS;
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}
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int iso_write_opts_set_rrip_1_10_px_ino(IsoWriteOpts *opts, int enable)
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{
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if (opts == NULL) {
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return ISO_NULL_POINTER;
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}
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opts->rrip_1_10_px_ino = enable ? 1 : 0;
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return ISO_SUCCESS;
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}
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int iso_write_opts_set_aaip_susp_1_10(IsoWriteOpts *opts, int oldvers)
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{
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if (opts == NULL) {
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@ -115,6 +115,14 @@ struct iso_write_opts {
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*/
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unsigned int rrip_version_1_10 :1;
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/* ts A90509 */
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/** Write field PX with file serial number even with RRIP-1.10 */
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unsigned int rrip_1_10_px_ino :1;
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/* ts A90508 */
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/* See iso_write_opts_set_hardlinks() */
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unsigned int hardlinks:1;
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/**
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* Write AAIP as extension according to SUSP 1.10 rather than SUSP 1.12.
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* I.e. without announcing it by an ER field and thus without the need
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@ -269,7 +277,10 @@ struct ecma119_image
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unsigned int eltorito :1;
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unsigned int iso1999 :1;
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unsigned int aaip :1; /* whether to write eventual ACLs and EAs */
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/* ts A90508 */
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unsigned int hardlinks:1; /* see iso_write_opts_set_hardlinks() */
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unsigned int aaip :1; /* see iso_write_opts_set_aaip() */
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/* allways write timestamps in GMT */
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unsigned int always_gmt :1;
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@ -291,6 +302,10 @@ struct ecma119_image
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/** Write old fashioned RRIP-1.10 rather than RRIP-1.12 */
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unsigned int rrip_version_1_10 :1;
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/* ts A90509 */
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/** Write field PX with file serial number even with RRIP-1.10 */
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unsigned int rrip_1_10_px_ino :1;
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/* Write AAIP as extension according to SUSP 1.10 rather than SUSP 1.12. */
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unsigned int aaip_susp_1_10 :1;
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@ -318,6 +333,8 @@ struct ecma119_image
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*/
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int sort_files;
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/* ts A90508 : <<< this is on its way out */
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/**
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* In the CD, each file must have an unique inode number. So each
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* time we add a new file, this is incremented.
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@ -889,80 +889,55 @@ int make_node_array(Ecma119Image *img, Ecma119Node *dir,
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return result;
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}
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/* ts A90503 */
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/* ts A90508 */
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/*
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* @param flag
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* bit0= compare stat properties and attributes
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* bit1= treat all nodes with image ino == 0 as unique
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*/
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static
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int ecma119_node_cmp(const void *v1, const void *v2)
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int ecma119_node_cmp_flag(const void *v1, const void *v2, int flag)
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{
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int ret1, ret2;
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int ret;
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Ecma119Node *n1, *n2;
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unsigned int fs_id1, fs_id2;
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dev_t dev_id1, dev_id2;
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ino_t ino_id1, ino_id2;
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n1 = *((Ecma119Node **) v1);
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n2 = *((Ecma119Node **) v2);
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if (n1 == n2)
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return 0;
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/* Imported or explicite ISO image node id has absolute priority */
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ret1 = (iso_node_get_id(n1->node, &fs_id1, &dev_id1, &ino_id1, 1) > 0);
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ret2 = (iso_node_get_id(n2->node, &fs_id2, &dev_id2, &ino_id2, 1) > 0);
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if (ret1 != ret2)
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return (ret1 < ret2 ? -1 : 1);
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if (ret1) {
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/* fs_id and dev_id do not matter here.
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Both nodes have explicite inode numbers of the emerging image.
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*/
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return (ino_id1 < ino_id2 ? -1 : ino_id1 > ino_id2 ? 1 : 0);
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ret = iso_node_cmp_flag(n1->node, n2->node, flag & (1 | 2));
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return ret;
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}
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if (n1->type < n2->type)
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return -1;
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if (n1->type > n2->type)
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return 1;
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if (n1->type == ECMA119_FILE) {
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ret1 = iso_file_src_cmp(n1->info.file, n2->info.file);
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return ret1;
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#ifdef Libisofs_hardlink_matcheR
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} else if (n1->type == ECMA119_SYMLINK) {
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IsoSymlink *t1, *t2;
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t1 = (IsoSymlink *) (n1->node);
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t2 = (IsoSymlink *) (n2->node);
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return (t1->fs_id < t2->fs_id ? -1 : t1->fs_id > t2->fs_id ? 1 :
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t1->st_dev < t2->st_dev ? -1 : t1->st_dev > t2->st_dev ? 1 :
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t1->st_ino < t2->st_ino ? -1 : t1->st_ino > t2->st_ino ? 1 :
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t1->fs_id || t1->st_dev || t1->st_ino ? 0 : (v1 < v2 ? -1 : 1));
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} else if (n1->type == ECMA119_SPECIAL) {
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IsoSpecial *t1, *t2;
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t1 = (IsoSpecial *) (n1->node);
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t2 = (IsoSpecial *) (n2->node);
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return (t1->fs_id < t2->fs_id ? -1 : t1->fs_id > t2->fs_id ? 1 :
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t1->st_dev < t2->st_dev ? -1 : t1->st_dev > t2->st_dev ? 1 :
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t1->st_ino < t2->st_ino ? -1 : t1->st_ino > t2->st_ino ? 1 :
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t1->fs_id || t1->st_dev || t1->st_ino ? 0 : (v1 < v2 ? -1 : 1));
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#endif /* Libisofs_hardlink_matcheR */
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} else {
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return (v1 < v2 ? -1 : 1); /* case v1 == v2 is handled above */
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/* ts A90508 */
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static
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int ecma119_node_cmp_hard(const void *v1, const void *v2)
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{
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return ecma119_node_cmp_flag(v1, v2, 1);
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}
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return 0;
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/* ts A90509 */
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static
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int ecma119_node_cmp_nohard(const void *v1, const void *v2)
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{
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return ecma119_node_cmp_flag(v1, v2, 1 | 2);
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}
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/* ts A90503 */
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static
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int family_set_ino(Ecma119Image *img, Ecma119Node **nodes, size_t family_start,
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size_t next_family, ino_t img_ino, int flag)
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size_t next_family, ino_t img_ino, ino_t prev_ino, int flag)
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{
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size_t i;
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if (img_ino != 0) {
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/* Check whether this is the same img_ino as in the previous
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family (e.g. by property divergence of imported hardlink).
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*/
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if (img_ino == prev_ino)
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img_ino = 0;
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}
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if (img_ino == 0) {
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img_ino = img_give_ino_number(img->image, 0);
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}
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@ -982,7 +957,7 @@ int match_hardlinks(Ecma119Image *img, Ecma119Node *dir, int flag)
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Ecma119Node **nodes = NULL;
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unsigned int fs_id;
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dev_t dev_id;
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ino_t img_ino = 0;
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ino_t img_ino = 0, prev_ino = 0;
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ret = make_node_array(img, dir, nodes, nodes_size, &node_count, 2);
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if (ret < 0)
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@ -995,27 +970,34 @@ int match_hardlinks(Ecma119Image *img, Ecma119Node *dir, int flag)
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if (ret < 0)
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goto ex;
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/* Sort according to id tuples and IsoFileSrc identity. */
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qsort(nodes, node_count, sizeof(Ecma119Node *), ecma119_node_cmp);
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/* Sort according to id tuples, IsoFileSrc identity, properties, xattr. */
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if (img->hardlinks)
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qsort(nodes, node_count, sizeof(Ecma119Node *), ecma119_node_cmp_hard);
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else
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qsort(nodes, node_count, sizeof(Ecma119Node *),
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ecma119_node_cmp_nohard);
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/* Hand out image inode numbers to all Ecma119Node.ino == 0 .
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Same sorting rank gets same inode number.
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Split those image inode number families where the sort criterion
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differs.
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*/
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iso_node_get_id(nodes[0]->node, &fs_id, &dev_id, &img_ino, 1);
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family_start = 0;
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for (i = 1; i < node_count; i++) {
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if (ecma119_node_cmp(nodes + (i - 1), nodes + i) == 0) {
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if (ecma119_node_cmp_hard(nodes + (i - 1), nodes + i) == 0) {
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/* Still in same ino family */
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if (img_ino == 0) { /* Just in case any member knows its img_ino */
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iso_node_get_id(nodes[0]->node, &fs_id, &dev_id, &img_ino, 1);
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}
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continue;
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}
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family_set_ino(img, nodes, family_start, i, img_ino, 0);
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family_set_ino(img, nodes, family_start, i, img_ino, prev_ino, 0);
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prev_ino = img_ino;
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iso_node_get_id(nodes[i]->node, &fs_id, &dev_id, &img_ino, 1);
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family_start = i;
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}
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family_set_ino(img, nodes, family_start, i, img_ino, 0);
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family_set_ino(img, nodes, family_start, i, img_ino, prev_ino, 0);
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ret = ISO_SUCCESS;
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ex:;
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@ -1186,15 +1186,48 @@ int iso_write_opts_set_joliet(IsoWriteOpts *opts, int enable);
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*/
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int iso_write_opts_set_iso1999(IsoWriteOpts *opts, int enable);
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/* ts A90508 */
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/**
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* Control generation of non-unique inode numbers for the emerging image.
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* Inode numbers get written as "file serial number" with PX entries as of
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* RRIP-1.12. They may mark families of hardlinks.
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* RRIP-1.10 prescribes a PX entry without file serial number. If not overriden
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* by iso_write_opts_set_rrip_1_10_px_ino() there will be no file serial
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* written into RRIP-1.10 images.
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*
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* Inode number generation does not affect IsoNode objects which imported their
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* inode numbers from the old ISO image (see iso_read_opts_set_new_inos())
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* and which have not been altered since import. It rather applies to IsoNode
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* objects which were newly added to the image, or to IsoNode which brought no
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* inode number from the old image, or to IsoNode where certain properties
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* have been altered since image import.
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*
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* If two IsoNode are found with same imported inode number but differing
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* properties, then one of them will get assigned a new unique inode number.
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* I.e. the hardlink relation between both IsoNode objects ends.
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*
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* @param enable
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* 1 = Collect IsoNode objects which have identical data sources and
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* properties.
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* 0 = Generate unique inode numbers for all IsoNode objects which do not
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* have a valid inode number from an imported ISO image.
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* All other values are reserved.
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*
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* @since 0.6.20
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*/
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int iso_write_opts_set_hardlinks(IsoWriteOpts *opts, int enable);
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/**
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* Control writing of AAIP informations for ACL and xattr.
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* For importing ACL and xattr when inserting nodes from external filesystems
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* (e.g. the local POSIX filesystem) see iso_image_set_ignore_aclea().
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* For loading of this information from images see iso_read_opts_set_no_aaip().
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*
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* @param enable 1 = write AAIP information from nodes into the image
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* @param enable
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* 1 = write AAIP information from nodes into the image
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* 0 = do not write AAIP information into the image
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* All other values are reserved.
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*
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* @since 0.6.14
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*/
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int iso_write_opts_set_aaip(IsoWriteOpts *opts, int enable);
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@ -1290,6 +1323,19 @@ int iso_write_opts_set_joliet_longer_paths(IsoWriteOpts *opts, int allow);
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*/
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int iso_write_opts_set_rrip_version_1_10(IsoWriteOpts *opts, int oldvers);
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/* ts A90509 */
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/**
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* Write field PX with file serial number (i.e. inode number) even if
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* iso_write_opts_set_rrip_version_1_10(,1) is in effect.
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* This clearly violates the RRIP-1.10 specs. But it is done by mkisofs since
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* a while and no widespread protest is visible in the web.
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* If this option is not enabled, then iso_write_opts_set_hardlinks() will
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* only have an effect with iso_write_opts_set_rrip_version_1_10(,0).
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*
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* @since 0.6.20
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*/
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int iso_write_opts_set_rrip_1_10_px_ino(IsoWriteOpts *opts, int enable);
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/**
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* Write AAIP as extension according to SUSP 1.10 rather than SUSP 1.12.
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* I.e. without announcing it by an ER field and thus without the need
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137
libisofs/node.c
137
libisofs/node.c
@ -2420,3 +2420,140 @@ int iso_node_set_unique_id(IsoNode *node, IsoImage *image, int flag)
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return ret;
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}
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/* ts A90508 */
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/*
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* @param flag
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* bit0= compare stat properties and attributes
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* bit1= treat all nodes with image ino == 0 as unique
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*/
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int iso_node_cmp_flag(IsoNode *n1, IsoNode *n2, int flag)
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{
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int ret1, ret2;
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unsigned int fs_id1, fs_id2;
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dev_t dev_id1, dev_id2;
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ino_t ino_id1, ino_id2;
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IsoFile *f1 = NULL, *f2 = NULL;
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IsoSymlink *l1 = NULL, *l2 = NULL;
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IsoSpecial *s1 = NULL, *s2 = NULL;
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void *x1, *x2;
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if (n1 == n2)
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return 0;
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/* Imported or explicite ISO image node id has absolute priority */
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ret1 = (iso_node_get_id(n1, &fs_id1, &dev_id1, &ino_id1, 1) > 0);
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ret2 = (iso_node_get_id(n2, &fs_id2, &dev_id2, &ino_id2, 1) > 0);
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if (ret1 != ret2)
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return (ret1 < ret2 ? -1 : 1);
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if (ret1) {
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/* fs_id and dev_id do not matter here.
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Both nodes have explicit inode numbers of the emerging image.
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*/
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if (ino_id1 != ino_id2)
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return (ino_id1 < ino_id2 ? -1 : 1);
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goto inode_match;
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}
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if (n1->type != n2->type)
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return (n1->type < n2->type ? -1 : 1);
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if (n1->type == LIBISO_FILE) {
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f1 = (IsoFile *) n1;
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f2 = (IsoFile *) n2;
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ret1 = iso_stream_cmp_ino(f1->stream, f2->stream, 0);
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if (ret1)
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return ret1;
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goto inode_match;
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#ifdef Libisofs_hardlink_matcheR
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} else if (n1->type == LIBISO_SYMLINK) {
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l1 = (IsoSymlink *) n1;
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l2 = (IsoSymlink *) n2;
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fs_id1 = l1->fs_id;
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dev_id1 = l1->st_dev;
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ino_id1 = l1->st_ino;
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fs_id2 = l2->fs_id;
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dev_id2 = l2->st_dev;
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ino_id2 = l2->st_ino;
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} else if (n1->type == LIBISO_SPECIAL) {
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s1 = (IsoSpecial *) n1;
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s2 = (IsoSpecial *) n2;
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fs_id1 = s1->fs_id;
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dev_id1 = s1->st_dev;
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ino_id1 = s1->st_ino;
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fs_id2 = s2->fs_id;
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dev_id2 = s2->st_dev;
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ino_id2 = s2->st_ino;
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#endif /* Libisofs_hardlink_matcheR */
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} else {
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return (n1 < n2 ? -1 : 1); /* case n1 == n2 is handled above */
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}
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if (fs_id1 != fs_id2)
|
||||
return (fs_id1 < fs_id2 ? -1 : 1);
|
||||
if (dev_id1 != dev_id2)
|
||||
return (dev_id1 < dev_id2 ? -1 : 1);
|
||||
if (ino_id1 != ino_id2)
|
||||
return (ino_id1 < ino_id2 ? -1 : 1);
|
||||
if (fs_id1 == 0 && dev_id1 == 0 && ino_id1 == 0)
|
||||
return (n1 < n2 ? -1 : 1);
|
||||
|
||||
inode_match:;
|
||||
if (flag & 2) {
|
||||
iso_node_get_id(n1, &fs_id1, &dev_id1, &ino_id1, 1);
|
||||
iso_node_get_id(n2, &fs_id2, &dev_id2, &ino_id2, 1);
|
||||
if (ino_id1 == 0 || ino_id2 == 0)
|
||||
return (n1 < n2 ? -1 : 1);
|
||||
}
|
||||
|
||||
if (!(flag & 1))
|
||||
return 0;
|
||||
if (n1->type == LIBISO_SYMLINK) {
|
||||
ret1 = strcmp(l1->dest, l2->dest);
|
||||
if (ret1)
|
||||
return ret1;
|
||||
} else if (n1->type == LIBISO_SPECIAL) {
|
||||
if (s1->dev != s2->dev)
|
||||
return (s1->dev < s2->dev ? -1 : 1);
|
||||
}
|
||||
|
||||
if (n1->mode != n2->mode)
|
||||
return (n1->mode < n2->mode ? -1 : 1);
|
||||
if (n1->uid != n2->uid)
|
||||
return (n1->uid < n2->uid ? -1 : 1);
|
||||
if (n1->gid != n2->gid)
|
||||
return (n1->gid < n2->gid ? -1 : 1);
|
||||
if (n1->atime != n2->atime)
|
||||
return (n1->atime < n2->atime ? -1 : 1);
|
||||
if (n1->mtime != n2->mtime)
|
||||
return (n1->mtime < n2->mtime ? -1 : 1);
|
||||
if (n1->ctime != n2->ctime)
|
||||
return (n1->ctime < n2->ctime ? -1 : 1);
|
||||
|
||||
/* >>> compare xinfo */;
|
||||
/* :( cannot compare general xinfo because data length is not known :( */
|
||||
|
||||
/* compare aa_string */
|
||||
ret1 = iso_node_get_xinfo(n1, aaip_xinfo_func, &x1);
|
||||
ret2 = iso_node_get_xinfo(n2, aaip_xinfo_func, &x2);
|
||||
if (ret1 != ret2)
|
||||
return (ret1 < ret2 ? -1 : 1);
|
||||
if (ret1 == 1) {
|
||||
ret1 = aaip_count_bytes((unsigned char *) x1, 0);
|
||||
ret2 = aaip_count_bytes((unsigned char *) x2, 0);
|
||||
if (ret1 != ret2)
|
||||
return (ret1 < ret2 ? -1 : 1);
|
||||
ret1 = memcmp(x1, x2, ret1);
|
||||
if (ret1)
|
||||
return ret1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -447,4 +447,13 @@ int iso_node_set_unique_id(IsoNode *node, IsoImage *image, int flag);
|
||||
*/
|
||||
int iso_node_set_ino(IsoNode *node, ino_t ino, int flag);
|
||||
|
||||
/* ts A90508 */
|
||||
/*
|
||||
* @param flag
|
||||
* bit0= compare stat properties and attributes
|
||||
* bit1= treat all nodes with image ino == 0 as unique
|
||||
* (those with 0,0,0 are treated as unique anyway)
|
||||
*/
|
||||
int iso_node_cmp_flag(IsoNode *n1, IsoNode *n2, int flag);
|
||||
|
||||
#endif /*LIBISO_NODE_H_*/
|
||||
|
@ -102,7 +102,7 @@ int rrip_add_PX(Ecma119Image *t, Ecma119Node *n, struct susp_info *susp)
|
||||
|
||||
PX[0] = 'P';
|
||||
PX[1] = 'X';
|
||||
if (!t->rrip_version_1_10) {
|
||||
if (t->rrip_1_10_px_ino || !t->rrip_version_1_10 ) {
|
||||
PX[2] = 44;
|
||||
} else {
|
||||
PX[2] = 36;
|
||||
@ -112,7 +112,7 @@ int rrip_add_PX(Ecma119Image *t, Ecma119Node *n, struct susp_info *susp)
|
||||
iso_bb(&PX[12], n->nlink, 4);
|
||||
iso_bb(&PX[20], px_get_uid(t, n), 4);
|
||||
iso_bb(&PX[28], px_get_gid(t, n), 4);
|
||||
if (!t->rrip_version_1_10) {
|
||||
if (t->rrip_1_10_px_ino || !t->rrip_version_1_10) {
|
||||
iso_bb(&PX[36], n->ino, 4);
|
||||
}
|
||||
|
||||
@ -1144,7 +1144,7 @@ size_t rrip_calc_len(Ecma119Image *t, Ecma119Node *n, int type, size_t space,
|
||||
#endif
|
||||
|
||||
/* PX and TF, we are sure they always fit in SUA */
|
||||
if (!t->rrip_version_1_10) {
|
||||
if (t->rrip_1_10_px_ino || !t->rrip_version_1_10) {
|
||||
su_size += 44 + 26;
|
||||
} else {
|
||||
su_size += 36 + 26;
|
||||
|
Loading…
Reference in New Issue
Block a user