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Working towards coordination of -compare, -update and -cut_out

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This commit is contained in:
Thomas Schmitt
2008-03-22 13:00:38 +00:00
parent 9d77ef7700
commit 6eb3d1ea61
5 changed files with 228 additions and 1 deletions
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90
libisoburn/trunk/xorriso/xorrisoburn.c
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@ -4833,3 +4833,93 @@ int Xorriso_iso_file_close(struct XorrisO *xorriso, void **stream, int flag)
}
int Xorriso_identify_split(struct XorrisO *xorriso, char *iso_adr,
struct SplitparT **parts, int *count, int flag)
{
int ret, i;
int partno, total_parts, first_total_parts= -1;
off_t offset, bytes, total_bytes, first_total_bytes= -1;
IsoImage *volume;
IsoDir *dir_node;
IsoDirIter *iter= NULL;
IsoNode *node;
char *name;
struct stat stbuf, first_stbuf;
*count= 0;
*parts= NULL;
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret<=0)
return(-1);
ret= Xorriso_node_from_path(xorriso, volume, iso_adr, &node, 1);
if(ret<=0)
return(-1);
if(!LIBISO_ISDIR(node))
return(0);
dir_node= (IsoDir *) node;
ret= iso_dir_get_children(dir_node, &iter);
if(ret<0) {
cannot_iter:;
Xorriso_cannot_create_iter(xorriso, ret, 0);
return(-1);
}
for(i= 0; iso_dir_iter_next(iter, &node) == 1; ) {
name= (char *) iso_node_get_name(node);
ret= Splitpart__parse(name, &partno, &total_parts,
&offset, &bytes, &total_bytes, 0);
if(ret<=0)
{ret= 0; goto ex;}
if(i==0) {
first_total_parts= total_parts;
first_total_bytes= total_bytes;
Xorriso_fake_stbuf(xorriso, "", &first_stbuf, &node, 1);
} else {
if(first_total_parts!=total_parts || first_total_bytes!=total_bytes)
{ret= 0; goto ex;}
Xorriso_fake_stbuf(xorriso, "", &stbuf, &node, 1);
if(first_stbuf.st_mode != stbuf.st_mode ||
first_stbuf.st_uid != stbuf.st_uid ||
first_stbuf.st_gid != stbuf.st_gid ||
first_stbuf.st_mtime != stbuf.st_mtime ||
first_stbuf.st_ctime != stbuf.st_ctime ||
first_stbuf.st_atime != stbuf.st_atime)
{ret= 0; goto ex;}
}
(*count)++;
}
if((*count)<=0)
{ret= 0; goto ex;}
ret= Splitparts_new(parts, (*count)+1, 0); /* (have one end marker item) */
if(ret<=0)
return(ret);
iso_dir_iter_free(iter);
ret= iso_dir_get_children(dir_node, &iter);
if(ret<0)
goto cannot_iter;
for(i= 0; i<*count; i++) {
name= (char *) iso_node_get_name(node);
ret= Splitpart__parse(name, &partno, &total_parts,
&offset, &bytes, &total_bytes, 0);
if(ret<=0)
{ret= 0; goto ex;}
Splitpart_set(parts[i], name, partno, total_parts, offset, bytes,
total_bytes, 0);
}
/* >>> ??? sort list ? */
/* >>> check for equal frequency */;
/* >>> check for disjointness */
/* >>> check for plausible size */
ret= 1;
ex:;
if(iter!=NULL)
iso_dir_iter_free(iter);
return(ret);
}