diff options
Diffstat (limited to 'usr/src/lib/efcode/engine/resource.c')
-rw-r--r-- | usr/src/lib/efcode/engine/resource.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/usr/src/lib/efcode/engine/resource.c b/usr/src/lib/efcode/engine/resource.c new file mode 100644 index 0000000000..5ede6eea74 --- /dev/null +++ b/usr/src/lib/efcode/engine/resource.c @@ -0,0 +1,134 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 1999 by Sun Microsystems, Inc. + * All rights reserved. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <fcode/private.h> +#include <fcode/log.h> + +fc_resource_t * +find_resource(fc_resource_t **head, void *ptr, int (cmp)(void *, void *)) +{ + fc_resource_t *f, *prev, *r = *head; + + f = NULL; + prev = NULL; + while (r) { + if (r->data == NULL) { + fc_resource_t *dead; + + if (prev) + prev->next = r->next; + else { + *head = r->next; + } + dead = r; + r = r->next; + FREE(dead); + } else { + if (cmp(ptr, r->data)) { + f = r; + break; + } + prev = r; + r = r->next; + } + } + return (f); +} + +void * +add_resource(fc_resource_t **head, void *ptr, int (cmp)(void *, void *)) +{ + fc_resource_t *r; + + r = find_resource(head, ptr, cmp); + if (r == NULL) { + r = MALLOC(sizeof (fc_resource_t)); + r->data = ptr; + r->next = *head; + *head = r; + return (r->data); + } + log_message(MSG_ERROR, "add_resource: Duplicate entry: %p\n", ptr); + return (NULL); +} + +void +free_resource(fc_resource_t **head, void *ptr, int (cmp)(void *, void *)) +{ + fc_resource_t *r; + + if ((r = find_resource(head, ptr, cmp)) != NULL) + r->data = NULL; + else + log_message(MSG_ERROR, "free_resource: No such Entry: %p\n", + ptr); +} + +#ifdef DEBUG + +static int +dump_print(void *s, void *d) +{ + log_message(MSG_DEBUG, "Buffer: %p\n", d); + return (0); +} + +void +dump_resources(fcode_env_t *env) +{ + fc_resource_t **head; + + head = (fc_resource_t **) POP(DS); + (void) find_resource(head, NULL, dump_print); +} + +void +propbufs(fcode_env_t *env) +{ + PUSH(DS, (fstack_t) &env->propbufs); +} + +#pragma init(_init) + +static void +_init(void) +{ + fcode_env_t *env = initial_env; + + NOTICE; + ASSERT(env); + + FORTH(0, "propbufs", propbufs); + FORTH(0, "dump-resource", dump_resources); +} + +#endif |