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| Source at commit 1808 created 12 years 3 months ago. By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier? | |
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| 1 | /*␊ |
| 2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
| 7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
| 8 | * Original Code as defined in and that are subject to the Apple Public␊ |
| 9 | * Source License Version 2.0 (the "License"). You may not use this file␊ |
| 10 | * except in compliance with the License. Please obtain a copy of the␊ |
| 11 | * License at http://www.apple.com/publicsource and read it before using␊ |
| 12 | * this file.␊ |
| 13 | * ␊ |
| 14 | * The Original Code and all software distributed under the License are␊ |
| 15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊ |
| 19 | * License for the specific language governing rights and limitations␊ |
| 20 | * under the License.␊ |
| 21 | * ␊ |
| 22 | * @APPLE_LICENSE_HEADER_END@␊ |
| 23 | */␊ |
| 24 | /*␊ |
| 25 | * Copyright (c) 1992, 1993␊ |
| 26 | *␉The Regents of the University of California. All rights reserved.␊ |
| 27 | *␊ |
| 28 | * Redistribution and use in source and binary forms, with or without␊ |
| 29 | * modification, are permitted provided that the following conditions␊ |
| 30 | * are met:␊ |
| 31 | * 1. Redistributions of source code must retain the above copyright␊ |
| 32 | * notice, this list of conditions and the following disclaimer.␊ |
| 33 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
| 34 | * notice, this list of conditions and the following disclaimer in the␊ |
| 35 | * documentation and/or other materials provided with the distribution.␊ |
| 36 | * 3. All advertising materials mentioning features or use of this software␊ |
| 37 | * must display the following acknowledgement:␊ |
| 38 | *␉This product includes software developed by the University of␊ |
| 39 | *␉California, Berkeley and its contributors.␊ |
| 40 | * 4. Neither the name of the University nor the names of its contributors␊ |
| 41 | * may be used to endorse or promote products derived from this software␊ |
| 42 | * without specific prior written permission.␊ |
| 43 | *␊ |
| 44 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊ |
| 45 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊ |
| 46 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
| 47 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊ |
| 48 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
| 49 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊ |
| 50 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊ |
| 51 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊ |
| 52 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊ |
| 53 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊ |
| 54 | * SUCH DAMAGE.␊ |
| 55 | */␊ |
| 56 | ␊ |
| 57 | ␊ |
| 58 | #include <sys/types.h>␊ |
| 59 | #include <stdlib.h>␊ |
| 60 | #include <sys/param.h>␊ |
| 61 | ␊ |
| 62 | static inline char␉*med3 __P((char *, char *, char *, int (*)()));␊ |
| 63 | static inline void␉ swapfunc __P((char *, char *, int, int));␊ |
| 64 | ␊ |
| 65 | /*␊ |
| 66 | * Qsort routine from Bentley & McIlroy's "Engineering a Sort Function".␊ |
| 67 | */␊ |
| 68 | #define swapcode(TYPE, parmi, parmj, n) { ␉␉\␊ |
| 69 | ␉long i = (n) / sizeof (TYPE); ␉␉␉\␊ |
| 70 | ␉register TYPE *pi = (TYPE *) (parmi); ␉␉\␊ |
| 71 | ␉register TYPE *pj = (TYPE *) (parmj); ␉␉\␊ |
| 72 | ␉do { ␉␉␉␉␉␉\␊ |
| 73 | ␉␉register TYPE␉t = *pi;␉␉\␊ |
| 74 | ␉␉*pi++ = *pj;␉␉␉␉\␊ |
| 75 | ␉␉*pj++ = t;␉␉␉␉\␊ |
| 76 | } while (--i > 0);␉␉␉␉\␊ |
| 77 | }␊ |
| 78 | ␊ |
| 79 | #define SWAPINIT(a, es) swaptype = ((char *)a - (char *)0) % sizeof(long) || \␊ |
| 80 | ␉es % sizeof(long) ? 2 : es == sizeof(long)? 0 : 1;␊ |
| 81 | ␊ |
| 82 | static inline void␊ |
| 83 | swapfunc(a, b, n, swaptype)␊ |
| 84 | ␉char *a, *b;␊ |
| 85 | ␉int n, swaptype;␊ |
| 86 | {␊ |
| 87 | ␉if(swaptype <= 1) ␊ |
| 88 | ␉␉swapcode(long, a, b, n)␊ |
| 89 | ␉else␊ |
| 90 | ␉␉swapcode(char, a, b, n)␊ |
| 91 | }␊ |
| 92 | ␊ |
| 93 | #define swap(a, b)␉␉␉␉␉\␊ |
| 94 | ␉if (swaptype == 0) {␉␉␉␉\␊ |
| 95 | ␉␉long t = *(long *)(a);␉␉␉\␊ |
| 96 | ␉␉*(long *)(a) = *(long *)(b);␉␉\␊ |
| 97 | ␉␉*(long *)(b) = t;␉␉␉\␊ |
| 98 | ␉} else␉␉␉␉␉␉\␊ |
| 99 | ␉␉swapfunc(a, b, es, swaptype)␊ |
| 100 | ␊ |
| 101 | #define vecswap(a, b, n) ␉if ((n) > 0) swapfunc(a, b, n, swaptype)␊ |
| 102 | ␊ |
| 103 | static inline char *␊ |
| 104 | med3(a, b, c, cmp)␊ |
| 105 | ␉char *a, *b, *c;␊ |
| 106 | ␉int (*cmp)();␊ |
| 107 | {␊ |
| 108 | ␉return cmp(a, b) < 0 ?␊ |
| 109 | ␉ (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a ))␊ |
| 110 | :(cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c ));␊ |
| 111 | }␊ |
| 112 | ␊ |
| 113 | void␊ |
| 114 | qsort(a, n, es, cmp)␊ |
| 115 | ␉void *a;␊ |
| 116 | ␉size_t n, es;␊ |
| 117 | ␉int (*cmp)();␊ |
| 118 | {␊ |
| 119 | ␉char *pa, *pb, *pc, *pd, *pl, *pm, *pn;␊ |
| 120 | ␉int d, r, swaptype, swap_cnt;␊ |
| 121 | ␊ |
| 122 | loop:␉SWAPINIT(a, es);␊ |
| 123 | ␉swap_cnt = 0;␊ |
| 124 | ␉if (n < 7) {␊ |
| 125 | ␉␉for (pm = a + es; pm < (char *) a + n * es; pm += es)␊ |
| 126 | ␉␉␉for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;␊ |
| 127 | ␉␉␉ pl -= es)␊ |
| 128 | ␉␉␉␉swap(pl, pl - es);␊ |
| 129 | ␉␉return;␊ |
| 130 | ␉}␊ |
| 131 | ␉pm = a + (n / 2) * es;␊ |
| 132 | ␉if (n > 7) {␊ |
| 133 | ␉␉pl = a;␊ |
| 134 | ␉␉pn = a + (n - 1) * es;␊ |
| 135 | ␉␉if (n > 40) {␊ |
| 136 | ␉␉␉d = (n / 8) * es;␊ |
| 137 | ␉␉␉pl = med3(pl, pl + d, pl + 2 * d, cmp);␊ |
| 138 | ␉␉␉pm = med3(pm - d, pm, pm + d, cmp);␊ |
| 139 | ␉␉␉pn = med3(pn - 2 * d, pn - d, pn, cmp);␊ |
| 140 | ␉␉}␊ |
| 141 | ␉␉pm = med3(pl, pm, pn, cmp);␊ |
| 142 | ␉}␊ |
| 143 | ␉swap(a, pm);␊ |
| 144 | ␉pa = pb = a + es;␊ |
| 145 | ␊ |
| 146 | ␉pc = pd = a + (n - 1) * es;␊ |
| 147 | ␉for (;;) {␊ |
| 148 | ␉␉while (pb <= pc && (r = cmp(pb, a)) <= 0) {␊ |
| 149 | ␉␉␉if (r == 0) {␊ |
| 150 | ␉␉␉␉swap_cnt = 1;␊ |
| 151 | ␉␉␉␉swap(pa, pb);␊ |
| 152 | ␉␉␉␉pa += es;␊ |
| 153 | ␉␉␉}␊ |
| 154 | ␉␉␉pb += es;␊ |
| 155 | ␉␉}␊ |
| 156 | ␉␉while (pb <= pc && (r = cmp(pc, a)) >= 0) {␊ |
| 157 | ␉␉␉if (r == 0) {␊ |
| 158 | ␉␉␉␉swap_cnt = 1;␊ |
| 159 | ␉␉␉␉swap(pc, pd);␊ |
| 160 | ␉␉␉␉pd -= es;␊ |
| 161 | ␉␉␉}␊ |
| 162 | ␉␉␉pc -= es;␊ |
| 163 | ␉␉}␊ |
| 164 | ␉␉if (pb > pc)␊ |
| 165 | ␉␉␉break;␊ |
| 166 | ␉␉swap(pb, pc);␊ |
| 167 | ␉␉swap_cnt = 1;␊ |
| 168 | ␉␉pb += es;␊ |
| 169 | ␉␉pc -= es;␊ |
| 170 | ␉}␊ |
| 171 | ␉if (swap_cnt == 0) { /* Switch to insertion sort */␊ |
| 172 | ␉␉for (pm = a + es; pm < (char *) a + n * es; pm += es)␊ |
| 173 | ␉␉␉for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0; ␊ |
| 174 | ␉␉␉ pl -= es)␊ |
| 175 | ␉␉␉␉swap(pl, pl - es);␊ |
| 176 | ␉␉return;␊ |
| 177 | ␉}␊ |
| 178 | ␊ |
| 179 | ␉pn = a + n * es;␊ |
| 180 | ␉r = MIN(pa - (char *)a, pb - pa);␊ |
| 181 | ␉vecswap(a, pb - r, r);␊ |
| 182 | ␉r = MIN(pd - pc, (pn - pd) - (int)es);␊ |
| 183 | ␉vecswap(pb, pn - r, r);␊ |
| 184 | ␉if ((r = pb - pa) > (int)es)␊ |
| 185 | ␉␉qsort(a, r / es, es, cmp);␊ |
| 186 | ␉if ((r = pd - pc) > (int)es) { ␊ |
| 187 | ␉␉/* Iterate rather than recurse to save stack space */␊ |
| 188 | ␉␉a = pn - r;␊ |
| 189 | ␉␉n = r / es;␊ |
| 190 | ␉␉goto loop;␊ |
| 191 | ␉}␊ |
| 192 | /*␉␉qsort(pn - r, r / es, es, cmp);*/␊ |
| 193 | }␊ |
| 194 | |
