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New command -lns for creating symbolic links

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This commit is contained in:
Thomas Schmitt
2012-10-19 08:19:02 +00:00
parent 47376c601f
commit 4678629282
10 changed files with 147 additions and 51 deletions
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33
xorriso/iso_manip.c
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@ -723,6 +723,24 @@ int Xorriso_copy_properties(struct XorrisO *xorriso,
}
int Xorriso_add_symlink(struct XorrisO *xorriso, IsoDir *parent,
char *link_target, char *leaf_name,
char *nominal_path, int flag)
{
int ret= 0;
IsoSymlink *link= NULL;
ret= iso_tree_add_new_symlink(parent, leaf_name, link_target, &link);
Xorriso_process_msg_queues(xorriso,0);
if(ret < 0) {
Xorriso_report_iso_error(xorriso, nominal_path, ret,
"Cannot create symbolic link", 0, "FATAL", 1);
ret= 0;
}
return(ret);
}
/* @param boss_iter Opaque handle to be forwarded to actions in ISO image
Set to NULL if calling this function from outside ISO world
@param flag bit0= mkdir: graft in as empty directory, not as copy from disk
@ -735,6 +753,8 @@ int Xorriso_copy_properties(struct XorrisO *xorriso,
bit7= no special handling of split file directories
bit8= hide in iso_rr
bit9= hide in joliet
bit10= ln -s: graft in as symbolic link.
Link target is handed over in parameter disk_path.
@return <=0 = error , 1 = added simple node , 2 = added directory ,
3 = rejected
*/
@ -822,7 +842,7 @@ int Xorriso_graft_in(struct XorrisO *xorriso, void *boss_iter,
path[SfileadrL - 1]= 0;
apt= npt= path;
if(!(flag&1)) {
if(!(flag & (1 | 1024))) {
ret= lstat(disk_path, &stbuf);
if(ret!=-1) {
if(S_ISDIR(stbuf.st_mode))
@ -951,6 +971,12 @@ attach_source:;
if(flag&1) {
/* directory node was created above */;
} else if(flag & 1024) {
ret= Xorriso_add_symlink(xorriso, dir, disk_path, apt, img_path, 0);
if(ret <= 0)
goto ex;
Xorriso_set_change_pending(xorriso, 0);
} else if(is_dir) {
Xorriso_transfer_properties(xorriso, &stbuf, disk_path,
(IsoNode *) dir, 4 | 32);
@ -1102,6 +1128,11 @@ attach_source:;
if(flag&1) {
/* directory node was created above */;
} else if(flag & 1024) {
ret= Xorriso_add_symlink(xorriso, dir, disk_path, apt, img_path, 0);
if(ret <= 0)
goto ex;
} else if(is_dir) {
Xorriso_transfer_properties(xorriso, &stbuf, disk_path,
(IsoNode *) dir, 4 | 32);