ZIP_EXTERN int
zip_file_rename(struct zip *za, zip_uint64_t idx, const char *name, zip_flags_t flags)
{
const char *old_name;
int old_is_dir, new_is_dir;
if (idx >= za->nentry || (name != NULL && strlen(name) > ZIP_UINT16_MAX)) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
if (ZIP_IS_RDONLY(za)) {
_zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
return -1;
}
if ((old_name=zip_get_name(za, idx, 0)) == NULL)
return -1;
new_is_dir = (name != NULL && name[strlen(name)-1] == '/');
old_is_dir = (old_name[strlen(old_name)-1] == '/');
if (new_is_dir != old_is_dir) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
return _zip_set_name(za, idx, name, flags);
}
zip_int64_t
_zip_replace(struct zip *za, zip_uint64_t idx, const char *name,
struct zip_source *source)
{
zip_uint64_t za_nentry_prev;
if (ZIP_IS_RDONLY(za)) {
_zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
return -1;
}
za_nentry_prev = za->nentry;
if (idx == ZIP_UINT64_MAX) {
if (_zip_entry_new(za) == NULL)
return -1;
idx = za->nentry - 1;
za->entry[idx].changes.valid |= ZIP_DIRENT_COMP_METHOD;
za->entry[idx].changes.comp_method = ZIP_CM_DEFLATE; /* XXX: default */
}
if (name && _zip_set_name(za, idx, name) != 0) {
za->nentry = za_nentry_prev;
return -1;
}
/* does not change any name related data, so we can do it here;
* needed for a double add of the same file name */
_zip_unchange_data(za->entry+idx);
za->entry[idx].state = ((za->cdir == NULL || idx >= (zip_uint64_t)za->cdir->nentry)
? ZIP_ST_ADDED : ZIP_ST_REPLACED);
za->entry[idx].source = source;
return idx;
}
zip_int64_t
_zip_file_replace(struct zip *za, zip_uint64_t idx, const char *name, struct zip_source *source, zip_flags_t flags)
{
zip_uint64_t za_nentry_prev;
if (ZIP_IS_RDONLY(za)) {
_zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
return -1;
}
za_nentry_prev = za->nentry;
if (idx == ZIP_UINT64_MAX) {
zip_int64_t i = -1;
if (flags & ZIP_FL_OVERWRITE)
i = _zip_name_locate(za, name, flags, NULL);
if (i == -1) {
/* create and use new entry, used by zip_add */
if ((i=_zip_add_entry(za)) < 0)
return -1;
}
idx = (zip_uint64_t)i;
}
if (name && _zip_set_name(za, idx, name, flags) != 0) {
if (za->nentry != za_nentry_prev) {
_zip_entry_finalize(za->entry+idx);
za->nentry = za_nentry_prev;
}
return -1;
}
/* does not change any name related data, so we can do it here;
* needed for a double add of the same file name */
_zip_unchange_data(za->entry+idx);
if (za->entry[idx].orig != NULL && (za->entry[idx].changes == NULL || (za->entry[idx].changes->changed & ZIP_DIRENT_COMP_METHOD) == 0)) {
if (za->entry[idx].changes == NULL) {
if ((za->entry[idx].changes=_zip_dirent_clone(za->entry[idx].orig)) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return -1;
}
}
za->entry[idx].changes->comp_method = ZIP_CM_REPLACED_DEFAULT;
za->entry[idx].changes->changed |= ZIP_DIRENT_COMP_METHOD;
}
za->entry[idx].source = source;
return (zip_int64_t)idx;
}
ZIP_EXTERN int
zip_rename(struct zip *za, int idx, const char *name)
{
const char *old_name;
int old_is_dir, new_is_dir;
if (idx >= za->nentry || idx < 0 || name[0] == '\0') {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
if ((old_name=zip_get_name(za, idx, 0)) == NULL)
return -1;
new_is_dir = (name[strlen(name)-1] == '/');
old_is_dir = (old_name[strlen(old_name)-1] == '/');
if (new_is_dir != old_is_dir) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
return _zip_set_name(za, idx, name);
}
