+// SPDX-License-Identifier: ISC
/* $OpenBSD$ */
/*
* Copyright (c) 2006, 2007 Pierre-Yves Ritschard <pyr@openbsd.org>
* Copyright (c) 2006, 2007, 2008 Reyk Floeter <reyk@openbsd.org>
* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _IMSG_H_
#define _IMSG_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#define IBUF_READ_SIZE 65535
#define IMSG_HEADER_SIZE sizeof(struct imsg_hdr)
#define MAX_IMSGSIZE 16384
struct ibuf {
- TAILQ_ENTRY(ibuf) entry;
- u_char *buf;
- size_t size;
- size_t max;
- size_t wpos;
- size_t rpos;
- int fd;
+ TAILQ_ENTRY(ibuf) entry;
+ uint8_t *buf;
+ size_t size;
+ size_t max;
+ size_t wpos;
+ size_t rpos;
+ int fd;
};
struct msgbuf {
- TAILQ_HEAD(, ibuf) bufs;
- u_int32_t queued;
- int fd;
+ TAILQ_HEAD(, ibuf) bufs;
+ uint32_t queued;
+ int fd;
};
struct ibuf_read {
- u_char buf[IBUF_READ_SIZE];
- u_char *rptr;
- size_t wpos;
+ uint8_t buf[IBUF_READ_SIZE];
+ uint8_t *rptr;
+ size_t wpos;
};
struct imsg_fd {
- TAILQ_ENTRY(imsg_fd) entry;
- int fd;
+ TAILQ_ENTRY(imsg_fd) entry;
+ int fd;
};
struct imsgbuf {
- TAILQ_HEAD(, imsg_fd) fds;
- struct ibuf_read r;
- struct msgbuf w;
- int fd;
- pid_t pid;
+ TAILQ_HEAD(, imsg_fd) fds;
+ struct ibuf_read r;
+ struct msgbuf w;
+ int fd;
+ pid_t pid;
};
#define IMSGF_HASFD 1
struct imsg_hdr {
- u_int32_t type;
- u_int16_t len;
- u_int16_t flags;
- u_int32_t peerid;
- u_int32_t pid;
+ uint32_t type;
+ uint16_t len;
+ uint16_t flags;
+ uint32_t peerid;
+ uint32_t pid;
};
struct imsg {
- struct imsg_hdr hdr;
- int fd;
- void *data;
+ struct imsg_hdr hdr;
+ int fd;
+ void *data;
};
/* buffer.c */
-struct ibuf *ibuf_open(size_t);
-struct ibuf *ibuf_dynamic(size_t, size_t);
-int ibuf_add(struct ibuf *, const void *, size_t);
-void *ibuf_reserve(struct ibuf *, size_t);
-void *ibuf_seek(struct ibuf *, size_t, size_t);
-size_t ibuf_size(struct ibuf *);
-size_t ibuf_left(struct ibuf *);
-void ibuf_close(struct msgbuf *, struct ibuf *);
-int ibuf_write(struct msgbuf *);
-void ibuf_free(struct ibuf *);
-void msgbuf_init(struct msgbuf *);
-void msgbuf_clear(struct msgbuf *);
-int msgbuf_write(struct msgbuf *);
-void msgbuf_drain(struct msgbuf *, size_t);
+struct ibuf *ibuf_open(size_t);
+struct ibuf *ibuf_dynamic(size_t, size_t);
+int ibuf_add(struct ibuf *, const void *, size_t);
+void *ibuf_reserve(struct ibuf *, size_t);
+void *ibuf_seek(struct ibuf *, size_t, size_t);
+size_t ibuf_size(struct ibuf *);
+size_t ibuf_left(struct ibuf *);
+void ibuf_close(struct msgbuf *, struct ibuf *);
+int ibuf_write(struct msgbuf *);
+void ibuf_free(struct ibuf *);
+void msgbuf_init(struct msgbuf *);
+void msgbuf_clear(struct msgbuf *);
+int msgbuf_write(struct msgbuf *);
+void msgbuf_drain(struct msgbuf *, size_t);
/* imsg.c */
-void imsg_init(struct imsgbuf *, int);
-ssize_t imsg_read(struct imsgbuf *);
-ssize_t imsg_get(struct imsgbuf *, struct imsg *);
-int imsg_compose(struct imsgbuf *, u_int32_t, u_int32_t, pid_t,
- int, const void *, u_int16_t);
-int imsg_composev(struct imsgbuf *, u_int32_t, u_int32_t, pid_t,
- int, const struct iovec *, int);
-struct ibuf *imsg_create(struct imsgbuf *, u_int32_t, u_int32_t, pid_t,
- u_int16_t);
-int imsg_add(struct ibuf *, const void *, u_int16_t);
-void imsg_close(struct imsgbuf *, struct ibuf *);
-void imsg_free(struct imsg *);
-int imsg_flush(struct imsgbuf *);
-void imsg_clear(struct imsgbuf *);
+void imsg_init(struct imsgbuf *, int);
+ssize_t imsg_read(struct imsgbuf *);
+ssize_t imsg_get(struct imsgbuf *, struct imsg *);
+int imsg_compose(struct imsgbuf *, uint32_t, uint32_t, pid_t, int, const void *,
+ uint16_t);
+int imsg_composev(struct imsgbuf *, uint32_t, uint32_t, pid_t, int,
+ const struct iovec *, int);
+struct ibuf *imsg_create(struct imsgbuf *, uint32_t, uint32_t, pid_t, uint16_t);
+int imsg_add(struct ibuf *, const void *, uint16_t);
+void imsg_close(struct imsgbuf *, struct ibuf *);
+void imsg_free(struct imsg *);
+int imsg_flush(struct imsgbuf *);
+void imsg_clear(struct imsgbuf *);
+
+#ifdef __cplusplus
+}
+#endif
#endif