--- /dev/null
+/* $OpenBSD: unixdev.c,v 1.1 1997/02/16 14:51:58 mickey Exp $ */
+
+/*
+ * Copyright (c) 1996 Michael Shalayeff
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Michael Shalayeff.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <string.h>
+#define open uopen
+#include <fcntl.h>
+#undef open
+#include "libsa.h"
+#include "unixdev.h"
+
+int
+unixstrategy(devdata, rw, blk, size, buf, rsize)
+ void *devdata;
+ int rw;
+ daddr_t blk;
+ size_t size;
+ void *buf;
+ size_t *rsize;
+{
+ int rc = 0;
+
+#ifdef UNIX_DEBUG
+ printf("unixstrategy: %s %d bytes @ %d\n",
+ (rw==F_READ?"reading":"writing"), size, blk);
+#endif
+ if ((rc = ulseek((int)devdata, blk * DEV_BSIZE, 0)) >= 0)
+ rc = rw==F_READ? uread((int)devdata, buf, size) :
+ uwrite((int)devdata, buf, size);
+
+ if (rc >= 0) {
+ *rsize = (size_t)rc;
+ rc = 0;
+ } else
+ rc = errno;
+
+ return rc;
+}
+
+int
+unixopen(struct open_file *f, ...)
+{
+ register int fd;
+ register va_list ap;
+ register char **file, *p = NULL;
+
+ va_start(ap, f);
+ file = va_arg(ap, char **);
+ va_end(ap);
+
+#ifdef UNIX_DEBUG
+ printf("unixopen: %s\n", *file);
+#endif
+
+ if (strncmp("/dev/", *file, 5) == 0) {
+ /* p = strchr(p + 5, '/') */
+ for (p = *file + 5; *p != '\0' && *p != '/'; p++);
+ if (*p == '/')
+ *p = '\0';
+ }
+
+ f->f_devdata = (void *)(fd = uopen(*file, O_RDWR, 0));
+
+ *file = p;
+ if (p != NULL)
+ *p = '/';
+
+ return fd<0? -1: 0;
+}
+
+int
+unixclose(f)
+ struct open_file *f;
+{
+ return uclose((int)f->f_devdata);
+}
+
+int
+unixioctl(f, cmd, data)
+ struct open_file *f;
+ u_long cmd;
+ void *data;
+{
+ return uioctl((int)f->f_devdata, cmd, data);
+}
+
+off_t
+ulseek( fd, off, wh)
+ int fd;
+ off_t off;
+ int wh;
+{
+ /* XXX zecond zero is unclear to me, but it works */
+ return syscall((quad_t)SYS_lseek, fd, 0, off, 0, wh);
+}
+
+
+int
+unix_probe()
+{
+ return 1;
+}
+
+void
+unix_putc(c)
+ int c;
+{
+ uwrite(1, &c, 1);
+}
+
+int
+unix_getc()
+{
+ int c;
+ return uread(0, &c, 1)<1? -1: c;
+}
+
+int
+unix_ischar()
+{
+ return 0;
+}
+
+void
+usleep(n)
+ u_int n;
+{
+
+}
+
+time_t
+getsecs()
+{
+ return 1;
+}
+
+void
+atexit()
+{
+
+}
+
+void
+__main()
+{
+}
--- /dev/null
+/* $OpenBSD: unixdev.h,v 1.1 1997/02/16 14:51:59 mickey Exp $ */
+
+/*
+ * Copyright (c) 1996 Michael Shalayeff
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Michael Shalayeff.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+
+/* unixdev.c */
+int unixstrategy __P((void *, int, daddr_t, size_t, void *, size_t *));
+int unixopen __P((struct open_file *, ...));
+int unixclose __P((struct open_file *));
+int unixioctl __P((struct open_file *, u_long, void *));
+off_t ulseek __P((int, off_t, int));
+
+int unix_probe __P((void));
+int unix_getc __P((void));
+void unix_putc __P((int));
+int unix_ischar __P((void));
+
+/* unixsys.S */
+int uopen __P((const char *, int, ...));
+int uread __P((int, void *, size_t));
+int uwrite __P((int, void *, size_t));
+int uioctl __P((int, u_long, char *));
+int uclose __P((int));
+void uexit __P((int));
+int syscall __P((int, ...));
projects / openbsd / commitdiff