STATIC DHEADPTR findDir( const char *path )
/******************************************
* Walk the directory linked list, and find the directory with the name
* path. (Path must end in \ - ie: as returned by _splitpath() )
* Returns NULL if not found, or if cacheHead == NULL.
* Move the directory to the beginning of the list (adaptive search)
*/
{
DHEADPTR dcur;
DHEADPTR dlast;
char first;
dlast = NULL;
dcur = cacheHead;
first = path[0];
while( dcur != NULL && (first != dcur->dh_name[0] ||
myCmp( dcur->dh_name, path ) != 0) ) {
dlast = dcur;
dcur = dcur->dh_next;
}
if( dlast != NULL && dcur != NULL ) { /* promote directory to head */
dlast->dh_next = dcur->dh_next;
dcur->dh_next = cacheHead;
cacheHead = dcur;
}
return( dcur );
}
STATIC CENTRYPTR findFile( DHEADPTR dir, const char *name )
/**********************************************************
* Given a directory, find a file within that directory.
* Return NULL if file not found.
*/
{
CENTRYPTR ccur;
HASH_T h;
h = Hash( name, HASH_PRIME );
for( ccur = dir->dh_table[h]; ccur != NULL; ccur = ccur->ce_next ) {
if( myCmp( ccur->ce_name, name ) == 0 ) {
return( ccur );
}
}
return( NULL );
}