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/***************************************************************************
*
* $Header: /usr/local/cvsroot/utils/ytree/rmdir.c,v 1.11 2001/06/15 16:36:36 werner Exp $
*
* Loeschen von Verzeichnissen
*
***************************************************************************/
#include "ytree.h"
static int DeleteSubTree(DirEntry *dir_entry);
static int DeleteSingleDirectory(DirEntry *dir_entry);
int DeleteDirectory(DirEntry *dir_entry)
{
char buffer[PATH_LENGTH+1];
int result = -1;
if( mode != DISK_MODE && mode != USER_MODE )
{
beep();
return( result );
}
ClearHelp();
if( dir_entry == statistic.tree )
{
MESSAGE( "Can't delete ROOT" );
}
else if( dir_entry->file || dir_entry->sub_tree )
{
if( InputChoise( "Directory not empty, PRUNE ? (Y/N) ? ", "YN\033" ) == 'Y' ) {
if( dir_entry->sub_tree ) {
if( ScanSubTree( dir_entry ) ) {
ESCAPE;
}
if( DeleteSubTree( dir_entry->sub_tree ) ) {
ESCAPE;
}
}
if( DeleteSingleDirectory( dir_entry ) ) {
ESCAPE;
}
result = 0;
ESCAPE;
}
}
else if( InputChoise( "Delete this directory (Y/N) ? ", "YN\033" ) == 'Y' )
{
(void) GetPath( dir_entry, buffer );
if( access( buffer, W_OK ) )
{
(void) sprintf( message, "Can't delete directory*\"%s\"*%s",
buffer, strerror(errno)
);
MESSAGE( message );
}
else if( rmdir( buffer ) )
{
(void) sprintf( message, "Can't delete directory*\"%s\"*%s",
buffer, strerror(errno)
);
MESSAGE( message );
}
else
{
/* Directory geloescht
* ==> aus Baum loeschen
*/
statistic.disk_total_directories--;
if( dir_entry->prev ) dir_entry->prev->next = dir_entry->next;
else dir_entry->up_tree->sub_tree = dir_entry->next;
if( dir_entry->next ) dir_entry->next->prev = dir_entry->prev;
free( dir_entry );
(void) GetAvailBytes( &statistic.disk_space );
result = 0;
}
}
FNC_XIT:
return( result );
}
static int DeleteSubTree( DirEntry *dir_entry )
{
int result = -1;
DirEntry *de_ptr, *next_de_ptr;
for( de_ptr = dir_entry; de_ptr; de_ptr = next_de_ptr ) {
next_de_ptr = de_ptr->next;
if( de_ptr->sub_tree ) {
if( DeleteSubTree( de_ptr->sub_tree ) ) {
ESCAPE;
}
}
if( DeleteSingleDirectory( de_ptr ) ) {
ESCAPE;
}
}
result = 0;
FNC_XIT:
return( result );
}
static int DeleteSingleDirectory( DirEntry *dir_entry )
{
int result = -1;
char buffer[PATH_LENGTH+1];
FileEntry *fe_ptr, *next_fe_ptr;
(void) GetPath( dir_entry, buffer );
if( access( buffer, W_OK ) ) {
(void) sprintf( message, "Can't delete directory*\"%s\"*%s",
buffer, strerror(errno)
);
MESSAGE( message );
ESCAPE;
}
for( fe_ptr = dir_entry->file; fe_ptr; fe_ptr=next_fe_ptr ) {
next_fe_ptr = fe_ptr->next;
if( DeleteFile( fe_ptr ) ) {
ESCAPE;
}
}
if( rmdir( buffer ) ) {
(void) sprintf( message, "Can't delete directory*\"%s\"*%s",
buffer, strerror(errno)
);
MESSAGE( message );
ESCAPE;
}
if( !dir_entry->up_tree->not_scanned )
statistic.disk_total_directories--;
if( dir_entry->prev ) dir_entry->prev->next = dir_entry->next;
else dir_entry->up_tree->sub_tree = dir_entry->next;
if( dir_entry->next ) dir_entry->next->prev = dir_entry->prev;
free( dir_entry );
result = 0;
FNC_XIT:
return( result );
}
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