ckpass Code

/*
 * bindings.c
 *
 * Heath Caldwell
 * hncaldwell@gmail.com
 */

#include <stdlib.h>
#include <string.h>

#include "bindings.h"

struct binding *new_binding_set()
{
	struct binding *set;

	set = malloc(sizeof(struct binding));
	set->key = 0;

	return set;
}

void add_binding(struct binding **set, int key, const char *command)
{
	struct binding *b;
	int i;
	
	/* If a binding for this key already exists, replace it. */
	for(b = *set; b->key; b++) {
		if(b->key == key) {
			b->command = (char *)command;
			return;
		}
	}
	
	/* Keep size of set in i.  Include one for the terminating binding. */
	for(b = *set, i = 1; b->key; b++, i++);

	*set = realloc(*set, (i + 1) * sizeof(struct binding));
	(b+1)->key = 0; /* Make last one be the terminating binding. */

	/* Keep bindings sorted by command. */
	for(b--; b >= *set && strcmp(command, b->command) < 0; b--) {
		(b+1)->key = b->key;
		(b+1)->command = b->command;
	}

	(b+1)->key = key;
	(b+1)->command = (char *)command;
}