1 /* $OpenBSD: hfs.c,v 1.6 2015/03/14 20:52:41 miod Exp $ */ 2 /* $NetBSD: hfs.c,v 1.1 2000/11/14 11:25:35 tsubai Exp $ */ 3 4 /*- 5 * Copyright (c) 2000 Tsubai Masanari. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <sys/param.h> 31 #include <lib/libkern/libkern.h> 32 #include <lib/libsa/stand.h> 33 34 #include <openfirm.h> 35 #include <hfs.h> 36 37 static int OF_fd; /* XXX */ 38 39 int 40 hfs_open(char *path, struct open_file *f) 41 { 42 int chosen; 43 char bootpath[128], *cp; 44 45 if ((chosen = OF_finddevice("/chosen")) == -1) 46 return ENXIO; 47 bzero(bootpath, sizeof bootpath); 48 OF_getprop(chosen, "bootpath", bootpath, sizeof bootpath); 49 50 cp = strrchr(bootpath, ','); 51 if (cp == NULL) 52 return ENXIO; 53 54 strlcpy(cp + 1, path, bootpath + sizeof bootpath - (cp + 1)); 55 OF_fd = OF_open(bootpath); 56 if (OF_fd == -1) 57 return ENOENT; 58 return 0; 59 } 60 61 int 62 hfs_close(struct open_file *f) 63 { 64 OF_close(OF_fd); 65 return 0; 66 } 67 68 int 69 hfs_read(struct open_file *f, void *start, size_t size, size_t *resid) 70 { 71 int len; 72 73 len = OF_read(OF_fd, start, size); 74 if (len == -1) 75 return EIO; 76 size -= len; 77 if (resid) 78 *resid = size; 79 return 0; 80 } 81 82 int 83 hfs_write(struct open_file *f, void *start, size_t size, size_t *resid) 84 { 85 printf("hfs_write\n"); 86 return ENXIO; 87 } 88 89 off_t 90 hfs_seek(struct open_file *f, off_t offset, int where) 91 { 92 switch (where) { 93 case SEEK_SET: 94 return OF_seek(OF_fd, offset); 95 case SEEK_CUR: 96 case SEEK_END: 97 default: 98 return -1; 99 } 100 } 101 102 int 103 hfs_stat(struct open_file *f, struct stat *sb) 104 { 105 return 0; 106 } 107 108 int 109 hfs_readdir(struct open_file *f, char *name) 110 { 111 return ENXIO; 112 } 113