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| | /* Copyright Massachusetts Institute of Technology 1985 */
#include "copyright.h"
#include "XMenuInt.h"
/*
* XDeleteAssoc - Delete an association in an XAssocTable keyed on
* an XId. An association may be removed only once. Redundant
* deletes are meaningless (but cause no problems).
*/
void
XDeleteAssoc(register Display *dpy, register XAssocTable *table, register XID x_id)
{
int hash;
register XAssoc *bucket;
register XAssoc *Entry;
/* Hash the XId to get the bucket number. */
hash = x_id & (table->size - 1);
/* Look up the bucket to get the entries in that bucket. */
bucket = &table->buckets[hash];
/* Get the first entry in the bucket. */
Entry = bucket->next;
/* Scan through the entries in the bucket for the right XId. */
for (; Entry != bucket; Entry = Entry->next) {
if (Entry->x_id == x_id) {
/* We have the right XId. */
if (Entry->display == dpy) {
/* We have the right display. */
/* We have the right entry! */
/* Remove it from the queue and */
/* free the entry. */
emacs_remque((struct qelem *)Entry);
free((char *)Entry);
return;
}
/* Oops, identical XId's on different displays! */
continue;
}
if (Entry->x_id > x_id) {
/* We have gone past where it should be. */
/* It is apparently not in the table. */
return;
}
}
/* It is apparently not in the table. */
return;
}
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