src/ucx/array_list.c

Sat, 18 Mar 2023 11:44:37 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 18 Mar 2023 11:44:37 +0100
changeset 477
39ebd50cfc12
parent 438
22eca559aded
child 490
d218607f5a7e
permissions
-rw-r--r--

fix nsapi_error_request() could send empty error messages with http status 200, if the request status code wasn't set

436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 #include "cx/array_list.h"
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30 #include <assert.h>
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 #include <string.h>
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 #include <stdint.h>
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
34 // LOW LEVEL ARRAY LIST FUNCTIONS
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36 enum cx_array_copy_result cx_array_copy(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37 void **target,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38 size_t *size,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39 size_t *capacity,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 size_t index,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41 void const *src,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 size_t elem_size,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43 size_t elem_count,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44 struct cx_array_reallocator_s *reallocator
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45 ) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
46 // assert pointers
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
47 assert(target != NULL);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48 assert(size != NULL);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
49 assert(src != NULL);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
50
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
51 // determine capacity
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
52 size_t cap = capacity == NULL ? *size : *capacity;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
53
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
54 // check if resize is required
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
55 size_t minsize = index + elem_count;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
56 size_t newsize = *size < minsize ? minsize : *size;
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
57 bool needrealloc = newsize > cap;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
58
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
59 // reallocate if possible
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
60 if (needrealloc) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
61 // a reallocator and a capacity variable must be available
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
62 if (reallocator == NULL || capacity == NULL) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63 return CX_ARRAY_COPY_REALLOC_NOT_SUPPORTED;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
66 // check, if we need to repair the src pointer
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67 uintptr_t targetaddr = (uintptr_t) *target;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
68 uintptr_t srcaddr = (uintptr_t) src;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
69 bool repairsrc = targetaddr <= srcaddr
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
70 && srcaddr < targetaddr + cap * elem_size;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
71
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
72 // calculate new capacity (next number divisible by 16)
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
73 cap = newsize - (newsize % 16) + 16;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
74 assert(cap > newsize);
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
75
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
76 // perform reallocation
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
77 void *newmem = reallocator->realloc(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
78 *target, cap, elem_size, reallocator
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
79 );
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
80 if (newmem == NULL) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
81 return CX_ARRAY_COPY_REALLOC_FAILED;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
82 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
84 // repair src pointer, if necessary
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
85 if (repairsrc) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
86 src = ((char *) newmem) + (srcaddr - targetaddr);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
87 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
88
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
89 // store new pointer and capacity
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
90 *target = newmem;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
91 *capacity = cap;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
92 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
93
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
94 // determine target pointer
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95 char *start = *target;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
96 start += index * elem_size;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
97
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
98 // copy elements and set new size
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 memmove(start, src, elem_count * elem_size);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 *size = newsize;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
102 // return successfully
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
103 return CX_ARRAY_COPY_SUCCESS;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
104 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
105
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
106 #define CX_ARRAY_SWAP_SBO_SIZE 512
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
107
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
108 void cx_array_swap(
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
109 void *arr,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
110 size_t elem_size,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
111 size_t idx1,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
112 size_t idx2
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
113 ) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
114 // short circuit
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
115 if (idx1 == idx2) return;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
116
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
117 char sbo_mem[CX_ARRAY_SWAP_SBO_SIZE];
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
118 void *tmp;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
119
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
120 // decide if we can use the local buffer
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
121 if (elem_size > CX_ARRAY_SWAP_SBO_SIZE) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
122 tmp = malloc(elem_size);
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
123 // we don't want to enforce error handling
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
124 if (tmp == NULL) abort();
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
125 } else {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
126 tmp = sbo_mem;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
127 }
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
128
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
129 // calculate memory locations
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
130 char *left = arr, *right = arr;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
131 left += idx1 * elem_size;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
132 right += idx2 * elem_size;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
133
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
134 // three-way swap
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
135 memcpy(tmp, left, elem_size);
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
136 memcpy(left, right, elem_size);
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
137 memcpy(right, tmp, elem_size);
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
138
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
139 // free dynamic memory, if it was needed
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
140 if (tmp != sbo_mem) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
141 free(tmp);
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
142 }
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
143 }
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
144
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
145 // HIGH LEVEL ARRAY LIST FUNCTIONS
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
146
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
147 typedef struct {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
148 struct cx_list_s base;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
149 void *data;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
150 struct cx_array_reallocator_s reallocator;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
151 } cx_array_list;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
152
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
153 static void *cx_arl_realloc(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
154 void *array,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
155 size_t capacity,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
156 size_t elem_size,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
157 struct cx_array_reallocator_s *alloc
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
158 ) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
159 // retrieve the pointer to the list allocator
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
160 CxAllocator const *al = alloc->ptr1;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
161
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
162 // use the list allocator to reallocate the memory
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
163 return cxRealloc(al, array, capacity * elem_size);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
164 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
165
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
166 static void cx_arl_destructor(struct cx_list_s *list) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
167 cx_array_list *arl = (cx_array_list *) list;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
168 cxFree(list->allocator, arl->data);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
169 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
170
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
171 static int cx_arl_add(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
172 struct cx_list_s *list,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
173 void const *elem
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
174 ) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
175 cx_array_list *arl = (cx_array_list *) list;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
176 return cx_array_copy(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
177 &arl->data,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
178 &list->size,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
179 &list->capacity,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
180 list->size,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
181 elem,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
182 list->itemsize,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
183 1,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
184 &arl->reallocator
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
185 );
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
186 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
187
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
188 static size_t cx_arl_add_array(
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
189 struct cx_list_s *list,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
190 void const *array,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
191 size_t n
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
192 ) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
193 cx_array_list *arl = (cx_array_list *) list;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
194 if (CX_ARRAY_COPY_SUCCESS == cx_array_copy(
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
195 &arl->data,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
196 &list->size,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
197 &list->capacity,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
198 list->size,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
199 array,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
200 list->itemsize,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
201 n,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
202 &arl->reallocator
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
203 )) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
204 return n;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
205 } else {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
206 // array list implementation is "all or nothing"
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
207 return 0;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
208 }
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
209 }
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
210
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
211 static int cx_arl_insert(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
212 struct cx_list_s *list,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
213 size_t index,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
214 void const *elem
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
215 ) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
216 if (index > list->size) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
217 return 1;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
218 } else if (index == list->size) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
219 return cx_arl_add(list, elem);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
220 } else {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
221 cx_array_list *arl = (cx_array_list *) list;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
222
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
223 // move elements starting at index to the right
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
224 if (cx_array_copy(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
225 &arl->data,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
226 &list->size,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
227 &list->capacity,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
228 index + 1,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
229 ((char *) arl->data) + index * list->itemsize,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
230 list->itemsize,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
231 list->size - index,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
232 &arl->reallocator
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
233 )) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
234 return 1;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
235 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
236
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
237 // place the element
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
238 memcpy(((char *) arl->data) + index * list->itemsize,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
239 elem, list->itemsize);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
240
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
241 return 0;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
242 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
243 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
244
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
245 static int cx_arl_insert_iter(
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
246 struct cx_mut_iterator_s *iter,
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
247 void const *elem,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
248 int prepend
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
249 ) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
250 struct cx_list_s *list = iter->src_handle;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
251 if (iter->index < list->size) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
252 int result = cx_arl_insert(
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
253 list,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
254 iter->index + 1 - prepend,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
255 elem
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
256 );
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
257 if (result == 0 && prepend != 0) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
258 iter->index++;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
259 iter->elem_handle = ((char *) iter->elem_handle) + list->itemsize;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
260 }
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
261 return result;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
262 } else {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
263 int result = cx_arl_add(list, elem);
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
264 iter->index = list->size;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
265 return result;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
266 }
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
267 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
268
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
269 static int cx_arl_remove(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
270 struct cx_list_s *list,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
271 size_t index
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
272 ) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
273 // out-of-bounds check
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
274 if (index >= list->size) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
275 return 1;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
276 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
277
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
278 // short-circuit removal of last element
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
279 if (index == list->size - 1) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
280 list->size--;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
281 return 0;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
282 }
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
283
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
284 // just move the elements starting at index to the left
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
285 cx_array_list *arl = (cx_array_list *) list;
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
286 int result = cx_array_copy(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
287 &arl->data,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
288 &list->size,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
289 &list->capacity,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
290 index,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
291 ((char *) arl->data) + (index + 1) * list->itemsize,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
292 list->itemsize,
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
293 list->size - index - 1,
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
294 &arl->reallocator
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
295 );
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
296 if (result == 0) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
297 // decrease the size
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
298 list->size--;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
299 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
300 return result;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
301 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
302
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
303 static void *cx_arl_at(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
304 struct cx_list_s const *list,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
305 size_t index
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
306 ) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
307 if (index < list->size) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
308 cx_array_list const *arl = (cx_array_list const *) list;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
309 char *space = arl->data;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
310 return space + index * list->itemsize;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
311 } else {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
312 return NULL;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
313 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
314 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
315
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
316 static size_t cx_arl_find(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
317 struct cx_list_s const *list,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
318 void const *elem
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
319 ) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
320 char *cur = ((cx_array_list const *) list)->data;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
321
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
322 for (size_t i = 0; i < list->size; i++) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
323 if (0 == list->cmpfunc(elem, cur)) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
324 return i;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
325 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
326 cur += list->itemsize;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
327 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
328
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
329 return list->size;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
330 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
331
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
332 static void cx_arl_sort(struct cx_list_s *list) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
333 qsort(((cx_array_list *) list)->data,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
334 list->size,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
335 list->itemsize,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
336 list->cmpfunc
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
337 );
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
338 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
339
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
340 static int cx_arl_compare(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
341 struct cx_list_s const *list,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
342 struct cx_list_s const *other
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
343 ) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
344 if (list->size == other->size) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
345 char const *left = ((cx_array_list const *) list)->data;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
346 char const *right = ((cx_array_list const *) other)->data;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
347 for (size_t i = 0; i < list->size; i++) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
348 int d = list->cmpfunc(left, right);
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
349 if (d != 0) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
350 return d;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
351 }
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
352 left += list->itemsize;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
353 right += other->itemsize;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
354 }
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
355 return 0;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
356 } else {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
357 return list->size < other->size ? -1 : 1;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
358 }
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
359 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
360
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
361 static void cx_arl_reverse(struct cx_list_s *list) {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
362 if (list->size < 2) return;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
363 void *data = ((cx_array_list const *) list)->data;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
364 size_t half = list->size / 2;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
365 for (size_t i = 0; i < half; i++) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
366 cx_array_swap(data, list->itemsize, i, list->size - 1 - i);
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
367 }
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
368 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
369
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
370 static bool cx_arl_iter_valid(void const *it) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
371 struct cx_iterator_s const *iter = it;
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
372 struct cx_list_s const *list = iter->src_handle;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
373 return iter->index < list->size;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
374 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
375
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
376 static void *cx_arl_iter_current(void const *it) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
377 struct cx_iterator_s const *iter = it;
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
378 return iter->elem_handle;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
379 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
380
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
381 static void cx_arl_iter_next(void *it) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
382 struct cx_iterator_base_s *itbase = it;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
383 if (itbase->remove) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
384 struct cx_mut_iterator_s *iter = it;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
385 itbase->remove = false;
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
386 cx_arl_remove(iter->src_handle, iter->index);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
387 } else {
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
388 struct cx_iterator_s *iter = it;
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
389 iter->index++;
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
390 iter->elem_handle =
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
391 ((char *) iter->elem_handle)
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
392 + ((struct cx_list_s const *) iter->src_handle)->itemsize;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
393 }
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
394 }
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
395
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
396 static bool cx_arl_iter_flag_rm(void *it) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
397 struct cx_iterator_base_s *iter = it;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
398 if (iter->mutating) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
399 iter->remove = true;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
400 return true;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
401 } else {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
402 return false;
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
403 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
404 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
405
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
406 static struct cx_iterator_s cx_arl_iterator(
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
407 struct cx_list_s const *list,
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
408 size_t index
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
409 ) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
410 struct cx_iterator_s iter;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
411
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
412 iter.index = index;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
413 iter.src_handle = list;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
414 iter.elem_handle = cx_arl_at(list, index);
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
415 iter.base.valid = cx_arl_iter_valid;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
416 iter.base.current = cx_arl_iter_current;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
417 iter.base.next = cx_arl_iter_next;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
418 iter.base.flag_removal = cx_arl_iter_flag_rm;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
419 iter.base.remove = false;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
420 iter.base.mutating = false;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
421
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
422 return iter;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
423 }
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
424
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
425 static struct cx_mut_iterator_s cx_arl_mut_iterator(
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
426 struct cx_list_s *list,
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
427 size_t index
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
428 ) {
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
429 CxIterator it = cx_arl_iterator(list, index);
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
430 it.base.mutating = true;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
431
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
432 // we know the iterators share the same memory layout
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
433 CxMutIterator iter;
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
434 memcpy(&iter, &it, sizeof(CxMutIterator));
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
435 return iter;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
436 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
437
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
438 static cx_list_class cx_array_list_class = {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
439 cx_arl_destructor,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
440 cx_arl_add,
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
441 cx_arl_add_array,
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
442 cx_arl_insert,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
443 cx_arl_insert_iter,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
444 cx_arl_remove,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
445 cx_arl_at,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
446 cx_arl_find,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
447 cx_arl_sort,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
448 cx_arl_compare,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
449 cx_arl_reverse,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
450 cx_arl_iterator,
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
451 cx_arl_mut_iterator,
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
452 };
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
453
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
454 CxList *cxArrayListCreate(
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
455 CxAllocator const *allocator,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
456 CxListComparator comparator,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
457 size_t item_size,
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
458 size_t initial_capacity
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
459 ) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
460 cx_array_list *list = cxCalloc(allocator, 1, sizeof(cx_array_list));
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
461 if (list == NULL) return NULL;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
462
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
463 list->data = cxCalloc(allocator, initial_capacity, item_size);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
464 if (list->data == NULL) {
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
465 cxFree(allocator, list);
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
466 return NULL;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
467 }
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
468
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
469 list->base.cl = &cx_array_list_class;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
470 list->base.allocator = allocator;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
471 list->base.cmpfunc = comparator;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
472 list->base.itemsize = item_size;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
473 list->base.capacity = initial_capacity;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
474
438
22eca559aded refactore http listener creation
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 436
diff changeset
475 // configure the reallocator
436
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
476 list->reallocator.realloc = cx_arl_realloc;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
477 list->reallocator.ptr1 = (void *) allocator;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
478
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
479 return (CxList *) list;
1260fad21be7 update ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
480 }

mercurial