parse_args.c revision 1.1.2.2
1 1.1.2.2 nathanw /* $NetBSD: parse_args.c,v 1.1.2.2 2002/02/28 04:11:11 nathanw Exp $ */ 2 1.1.2.2 nathanw 3 1.1.2.2 nathanw /*- 4 1.1.2.2 nathanw * Copyright (c) 1995 Theo de Raadt 5 1.1.2.2 nathanw * 6 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without 7 1.1.2.2 nathanw * modification, are permitted provided that the following conditions 8 1.1.2.2 nathanw * are met: 9 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 10 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer. 11 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 12 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 13 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution. 14 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 15 1.1.2.2 nathanw * must display the following acknowledgement: 16 1.1.2.2 nathanw * This product includes software developed under OpenBSD by 17 1.1.2.2 nathanw * Theo de Raadt for Willowglen Singapore. 18 1.1.2.2 nathanw * 4. The name of the author may not be used to endorse or promote products 19 1.1.2.2 nathanw * derived from this software without specific prior written permission. 20 1.1.2.2 nathanw * 21 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 22 1.1.2.2 nathanw * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 1.1.2.2 nathanw * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 1.1.2.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 25 1.1.2.2 nathanw * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 1.1.2.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 1.1.2.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 1.1.2.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 1.1.2.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 1.1.2.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 1.1.2.2 nathanw * SUCH DAMAGE. 32 1.1.2.2 nathanw * 33 1.1.2.2 nathanw */ 34 1.1.2.2 nathanw 35 1.1.2.2 nathanw #include <sys/param.h> 36 1.1.2.2 nathanw #include <sys/reboot.h> 37 1.1.2.2 nathanw #include <sys/disklabel.h> 38 1.1.2.2 nathanw #include <sys/boot_flag.h> 39 1.1.2.2 nathanw 40 1.1.2.2 nathanw #include "stand.h" 41 1.1.2.2 nathanw #include "libsa.h" 42 1.1.2.2 nathanw 43 1.1.2.2 nathanw #define KERNEL_NAME "netbsd" 44 1.1.2.2 nathanw 45 1.1.2.2 nathanw void 46 1.1.2.2 nathanw parse_args(astart, aend, filep, flagp, partp) 47 1.1.2.2 nathanw char *astart; 48 1.1.2.2 nathanw const char *aend; 49 1.1.2.2 nathanw const char **filep; 50 1.1.2.2 nathanw int *flagp; 51 1.1.2.2 nathanw int *partp; 52 1.1.2.2 nathanw { 53 1.1.2.2 nathanw const char *name = KERNEL_NAME; 54 1.1.2.2 nathanw char *ptr; 55 1.1.2.2 nathanw int howto = 0, part = 0; 56 1.1.2.2 nathanw char c; 57 1.1.2.2 nathanw 58 1.1.2.2 nathanw if (astart != aend) { 59 1.1.2.2 nathanw ptr = astart; 60 1.1.2.2 nathanw while ((c = *ptr)) { 61 1.1.2.2 nathanw while (c == ' ') 62 1.1.2.2 nathanw c = *++ptr; 63 1.1.2.2 nathanw if (c == '\0') 64 1.1.2.2 nathanw return; 65 1.1.2.2 nathanw if (c != '-') { 66 1.1.2.2 nathanw if (ptr[1] == ':') { 67 1.1.2.2 nathanw part = (int) (*ptr - 'A'); 68 1.1.2.2 nathanw if (part >= MAXPARTITIONS) 69 1.1.2.2 nathanw part -= 0x20; 70 1.1.2.2 nathanw if (part < 0 || part >= MAXPARTITIONS) 71 1.1.2.2 nathanw part = 0; 72 1.1.2.2 nathanw if (ptr[2] == ' ' || ptr[2] == '\0') { 73 1.1.2.2 nathanw ptr += 2; 74 1.1.2.2 nathanw continue; 75 1.1.2.2 nathanw } 76 1.1.2.2 nathanw name = &(ptr[2]); 77 1.1.2.2 nathanw } else 78 1.1.2.2 nathanw name = ptr; 79 1.1.2.2 nathanw while ((c = *++ptr) && c != ' ') 80 1.1.2.2 nathanw ; 81 1.1.2.2 nathanw if (c) 82 1.1.2.2 nathanw *ptr++ = 0; 83 1.1.2.2 nathanw continue; 84 1.1.2.2 nathanw } 85 1.1.2.2 nathanw while ((c = *++ptr) && c != ' ') 86 1.1.2.2 nathanw BOOT_FLAG(c, howto); 87 1.1.2.2 nathanw } 88 1.1.2.2 nathanw } 89 1.1.2.2 nathanw *flagp = howto; 90 1.1.2.2 nathanw *filep = name; 91 1.1.2.2 nathanw *partp = part; 92 1.1.2.2 nathanw } 93
Indexes created Thu Oct 30 16:09:53 GMT 2025