Wed, 17 Jul 2013 11:47:02 +0200
added doxyfile and documentation for ucx.h
universe@103 | 1 | /* |
universe@103 | 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
universe@103 | 3 | * |
universe@103 | 4 | * Copyright 2013 Olaf Wintermann. All rights reserved. |
universe@103 | 5 | * |
universe@103 | 6 | * Redistribution and use in source and binary forms, with or without |
universe@103 | 7 | * modification, are permitted provided that the following conditions are met: |
universe@103 | 8 | * |
universe@103 | 9 | * 1. Redistributions of source code must retain the above copyright |
universe@103 | 10 | * notice, this list of conditions and the following disclaimer. |
universe@103 | 11 | * |
universe@103 | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
universe@103 | 13 | * notice, this list of conditions and the following disclaimer in the |
universe@103 | 14 | * documentation and/or other materials provided with the distribution. |
universe@103 | 15 | * |
universe@103 | 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
universe@103 | 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
universe@103 | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
universe@103 | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
universe@103 | 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
universe@103 | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
universe@103 | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
universe@103 | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
universe@103 | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
universe@103 | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
universe@103 | 26 | * POSSIBILITY OF SUCH DAMAGE. |
universe@103 | 27 | */ |
universe@103 | 28 | |
universe@10 | 29 | #include "list.h" |
olaf@2 | 30 | |
universe@87 | 31 | UcxList *ucx_list_clone(UcxList *l, copy_func fnc, void *data) { |
universe@18 | 32 | UcxList *ret = NULL; |
universe@18 | 33 | while (l != NULL) { |
universe@18 | 34 | if (fnc != NULL) { |
universe@18 | 35 | ret = ucx_list_append(ret, fnc(l->data, data)); |
universe@18 | 36 | } else { |
universe@18 | 37 | ret = ucx_list_append(ret, l->data); |
universe@18 | 38 | } |
universe@18 | 39 | l = l->next; |
universe@18 | 40 | } |
universe@18 | 41 | return ret; |
universe@18 | 42 | } |
universe@18 | 43 | |
universe@67 | 44 | int ucx_list_equals(const UcxList *l1, const UcxList *l2, |
universe@67 | 45 | cmp_func fnc, void* data) { |
universe@18 | 46 | if (l1 == l2) return 1; |
universe@18 | 47 | |
universe@18 | 48 | while (l1 != NULL && l2 != NULL) { |
universe@18 | 49 | if (fnc == NULL) { |
universe@18 | 50 | if (l1->data != l2->data) return 0; |
universe@18 | 51 | } else { |
universe@18 | 52 | if (fnc(l1->data, l2->data, data) != 0) return 0; |
universe@18 | 53 | } |
universe@18 | 54 | l1 = l1->next; |
universe@18 | 55 | l2 = l2->next; |
universe@18 | 56 | } |
universe@18 | 57 | |
universe@18 | 58 | return (l1 == NULL && l2 == NULL); |
universe@18 | 59 | } |
universe@18 | 60 | |
universe@10 | 61 | void ucx_list_free(UcxList *l) { |
universe@10 | 62 | UcxList *e = l, *f; |
universe@10 | 63 | while (e != NULL) { |
universe@10 | 64 | f = e; |
universe@10 | 65 | e = e->next; |
universe@10 | 66 | free(f); |
universe@10 | 67 | } |
universe@10 | 68 | } |
universe@10 | 69 | |
universe@10 | 70 | UcxList *ucx_list_append(UcxList *l, void *data) { |
universe@10 | 71 | UcxList *nl = (UcxList*) malloc(sizeof(UcxList)); |
universe@10 | 72 | if (nl == NULL) return NULL; |
universe@10 | 73 | |
universe@10 | 74 | nl->data = data; |
universe@10 | 75 | nl->next = NULL; |
universe@10 | 76 | if (l == NULL) { |
universe@10 | 77 | return nl; |
universe@10 | 78 | } else { |
universe@10 | 79 | UcxList *t = ucx_list_last(l); |
universe@10 | 80 | t->next = nl; |
universe@10 | 81 | return l; |
universe@10 | 82 | } |
universe@10 | 83 | } |
universe@10 | 84 | |
universe@10 | 85 | UcxList *ucx_list_prepend(UcxList *l, void *data) { |
universe@10 | 86 | UcxList *nl = ucx_list_append(NULL, data); |
universe@10 | 87 | if (nl == NULL) return NULL; |
universe@10 | 88 | |
universe@10 | 89 | if (l != NULL) { |
universe@10 | 90 | nl->next = l; |
universe@10 | 91 | } |
universe@10 | 92 | return nl; |
universe@10 | 93 | } |
universe@10 | 94 | |
universe@93 | 95 | UcxList *ucx_list_concat(UcxList *l1, UcxList *l2) { |
universe@10 | 96 | if (l1 == NULL) { |
universe@10 | 97 | return l2; |
universe@10 | 98 | } else { |
universe@10 | 99 | UcxList *last = ucx_list_last(l1); |
universe@10 | 100 | last->next = l2; |
universe@10 | 101 | return l1; |
universe@10 | 102 | } |
universe@10 | 103 | } |
universe@10 | 104 | |
universe@67 | 105 | UcxList *ucx_list_last(const UcxList *l) { |
universe@10 | 106 | if (l == NULL) return NULL; |
universe@10 | 107 | |
universe@67 | 108 | const UcxList *e = l; |
universe@10 | 109 | while (e->next != NULL) { |
universe@10 | 110 | e = e->next; |
universe@10 | 111 | } |
universe@67 | 112 | return (UcxList*)e; |
universe@10 | 113 | } |
universe@10 | 114 | |
universe@67 | 115 | UcxList *ucx_list_get(const UcxList *l, int index) { |
universe@10 | 116 | if (l == NULL) return NULL; |
universe@10 | 117 | |
universe@67 | 118 | const UcxList *e = l; |
universe@10 | 119 | while (e->next != NULL && index > 0) { |
universe@10 | 120 | e = e->next; |
universe@10 | 121 | index--; |
universe@10 | 122 | } |
universe@10 | 123 | |
universe@67 | 124 | return (UcxList*)(index == 0 ? e : NULL); |
universe@10 | 125 | } |
universe@10 | 126 | |
universe@87 | 127 | int ucx_list_contains(UcxList *l, void *elem, cmp_func fnc, void *cmpdata) { |
universe@87 | 128 | UCX_FOREACH(UcxList*, l, e) { |
universe@87 | 129 | if (!fnc(elem, e->data, cmpdata)) { |
universe@87 | 130 | return 1; |
universe@87 | 131 | } |
universe@87 | 132 | } |
universe@87 | 133 | return 0; |
universe@87 | 134 | } |
universe@87 | 135 | |
universe@67 | 136 | size_t ucx_list_size(const UcxList *l) { |
universe@10 | 137 | if (l == NULL) return 0; |
universe@10 | 138 | |
universe@67 | 139 | const UcxList *e = l; |
universe@10 | 140 | size_t s = 1; |
universe@10 | 141 | while (e->next != NULL) { |
universe@10 | 142 | e = e->next; |
universe@10 | 143 | s++; |
universe@10 | 144 | } |
universe@10 | 145 | |
universe@10 | 146 | return s; |
universe@10 | 147 | } |
universe@10 | 148 | |
universe@37 | 149 | UcxList *ucx_list_sort_merge(int length, |
universe@67 | 150 | UcxList* restrict ls, UcxList* restrict le, UcxList* restrict re, |
universe@37 | 151 | cmp_func fnc, void* data) { |
universe@69 | 152 | |
universe@73 | 153 | UcxList** sorted = (UcxList**) malloc(sizeof(UcxList*)*length); |
universe@37 | 154 | UcxList *rc, *lc; |
universe@35 | 155 | |
universe@67 | 156 | lc = ls; rc = le; |
universe@37 | 157 | int n = 0; |
universe@67 | 158 | while (lc && lc != le && rc != re) { |
universe@37 | 159 | if (fnc(lc->data, rc->data, data) <= 0) { |
universe@37 | 160 | sorted[n] = lc; |
universe@37 | 161 | lc = lc->next; |
universe@37 | 162 | } else { |
universe@37 | 163 | sorted[n] = rc; |
universe@37 | 164 | rc = rc->next; |
universe@35 | 165 | } |
universe@37 | 166 | n++; |
universe@37 | 167 | } |
universe@67 | 168 | while (lc && lc != le) { |
universe@37 | 169 | sorted[n] = lc; |
universe@37 | 170 | lc = lc->next; |
universe@37 | 171 | n++; |
universe@37 | 172 | } |
universe@67 | 173 | while (rc && rc != re) { |
universe@37 | 174 | sorted[n] = rc; |
universe@37 | 175 | rc = rc->next; |
universe@37 | 176 | n++; |
universe@35 | 177 | } |
universe@35 | 178 | |
universe@37 | 179 | // Update pointer |
universe@37 | 180 | for (int i = 0 ; i < length-1 ; i++) { |
universe@37 | 181 | sorted[i]->next = sorted[i+1]; |
universe@37 | 182 | } |
universe@37 | 183 | sorted[length-1]->next = NULL; |
universe@35 | 184 | |
universe@69 | 185 | UcxList *ret = sorted[0]; |
universe@73 | 186 | free(sorted); |
universe@69 | 187 | return ret; |
universe@35 | 188 | } |
universe@35 | 189 | |
universe@36 | 190 | UcxList *ucx_list_sort(UcxList *l, cmp_func fnc, void *data) { |
universe@35 | 191 | if (l == NULL) { |
universe@35 | 192 | return NULL; |
universe@35 | 193 | } |
universe@37 | 194 | |
universe@37 | 195 | UcxList *lc; |
universe@37 | 196 | int ln = 1; |
universe@37 | 197 | |
universe@67 | 198 | UcxList *restrict ls = l, *restrict le, *restrict re; |
universe@37 | 199 | lc = ls; |
universe@37 | 200 | while (lc->next != NULL && fnc(lc->next->data, lc->data, data) > 0) { |
universe@37 | 201 | lc = lc->next; |
universe@37 | 202 | ln++; |
universe@37 | 203 | } |
universe@37 | 204 | le = lc->next; |
universe@37 | 205 | |
universe@67 | 206 | if (le == NULL) { |
universe@37 | 207 | return l; // this list is already sorted :) |
universe@37 | 208 | } else { |
universe@37 | 209 | UcxList *rc; |
universe@37 | 210 | int rn = 1; |
universe@67 | 211 | rc = le; |
universe@37 | 212 | while (rc->next != NULL && fnc(rc->next->data, rc->data, data) > 0) { |
universe@37 | 213 | rc = rc->next; |
universe@37 | 214 | rn++; |
universe@37 | 215 | } |
universe@37 | 216 | re = rc->next; |
universe@37 | 217 | |
universe@37 | 218 | // Something left? Sort it! |
universe@37 | 219 | UcxList *remainder = re; |
universe@37 | 220 | size_t remainder_length = ucx_list_size(remainder); |
universe@37 | 221 | if (remainder != NULL) { |
universe@37 | 222 | remainder = ucx_list_sort(remainder, fnc, data); |
universe@37 | 223 | } |
universe@37 | 224 | |
universe@37 | 225 | // {ls,...,le->prev} and {rs,...,re->prev} are sorted - merge them |
universe@37 | 226 | UcxList *sorted = ucx_list_sort_merge(ln+rn, |
universe@67 | 227 | ls, le, re, |
universe@37 | 228 | fnc, data); |
universe@37 | 229 | |
universe@37 | 230 | // merge sorted list with (also sorted) remainder |
universe@37 | 231 | l = ucx_list_sort_merge(ln+rn+remainder_length, |
universe@67 | 232 | sorted, remainder, NULL, fnc, data); |
universe@37 | 233 | |
universe@35 | 234 | return l; |
universe@35 | 235 | } |
universe@35 | 236 | } |
universe@35 | 237 | |
universe@23 | 238 | /* list specific functions */ |
universe@23 | 239 | UcxList *ucx_list_remove(UcxList *l, UcxList *e) { |
universe@23 | 240 | if (e == l) { |
universe@23 | 241 | l = e->next; |
universe@23 | 242 | free(e); |
universe@23 | 243 | } else { |
universe@23 | 244 | UcxList *f = l; |
universe@23 | 245 | while (f->next != NULL && f->next != e) { |
universe@23 | 246 | f = f->next; |
universe@23 | 247 | } |
olaf@31 | 248 | /* perform remove if this element is found in this list */ |
universe@23 | 249 | if (f->next == e) { |
universe@23 | 250 | f->next = e->next; |
universe@23 | 251 | free(e); |
universe@23 | 252 | } |
universe@23 | 253 | } |
universe@23 | 254 | return l; |
universe@24 | 255 | } |