1: /*************************************************************************
2: * (C) 2013 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
6: * $Id: aarray.h,v 1.10 2019/01/23 18:22:41 misho Exp $
7: *
8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
15: Copyright 2004 - 2019
16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
46: #ifndef __AARRAY_H
47: #define __AARRAY_H
48:
49:
50: typedef struct _tagArray {
51: int arr_last;
52: int arr_num;
53: void **arr_data;
54: } array_t;
55:
56: #define array_Size(_arr) ((_arr) ? (_arr)->arr_num : 0)
57: #define array_Last(_arr) (array_Size((_arr)) ? (_arr)->arr_last : -1)
58: #define array_Zero(_arr) (assert((_arr)), (_arr)->arr_last = -1, \
59: memset((_arr)->arr_data, 0, array_Size((_arr)) * sizeof(intptr_t)))
60:
61: #define array_Ptr(_arr, _d) ((_arr) ? (_arr)->arr_data[_d] : NULL)
62: #define array_Get2(_arr, _d) (assert((_arr) && (_arr)->arr_num > _d), ((_arr)->arr_data + _d))
63: #define array_Get(_arr, _d) (assert((_arr)), (_arr)->arr_data[_d])
64: #define array(_arr, _d, _type) (assert((_arr)), ((_type) (_arr)->arr_data[_d]))
65: #define array_Set(_arr, _d, _ptr) do { int __d = _d; assert((_arr) && (_arr)->arr_num > __d); \
66: if ((_arr)->arr_last < __d) \
67: (_arr)->arr_last = __d; \
68: (_arr)->arr_data[__d] = (void*) (_ptr); \
69: } while (0)
70: #define array_Del(_arr, _d, _fri) do { int __d = _d; assert((_arr) && (_arr)->arr_num > __d); \
71: if (_fri && (_arr)->arr_data[__d]) \
72: e_free((_arr)->arr_data[__d]); \
73: (_arr)->arr_data[__d] = NULL; \
74: } while (0)
75:
76: /*
77: * array_Init() - Create and initialize dynamic array
78: *
79: * @numItems = Number of Items
80: * return: NULL error, != NULL allocated memory for array
81: */
82: array_t *array_Init(int numItems);
83: /*
84: * array_Init2() - Initialize dynamic array
85: *
86: * @arr = Allocated array variable
87: * @numItems = Number of Items
88: * return: NULL error, != NULL allocated memory for array
89: */
90: array_t *array_Init2(array_t * __restrict arr, int numItems);
91: /*
92: * array_Destroy() - Free and destroy dynamic array
93: *
94: * @parr = Array
95: * return: none
96: */
97: void array_Destroy(array_t ** __restrict parr);
98: /*
99: * array_Destroy2() - Free data in dynamic array
100: *
101: * @parr = Array
102: * return: none
103: */
104: void array_Destroy2(array_t * __restrict arr);
105: /*
106: * array_Free() - Free all data in dynamic array items
107: * (WARNING! If assign static array dont use this!!!)
108: *
109: * @arr = Array
110: * return: none
111: */
112: void array_Free(array_t * __restrict arr);
113: /*
114: * array_Reset() - Reset array to initial state
115: *
116: * @parr = Array
117: * @purge = Purge all data, if <>0 then will be free entire data memory
118: * return: none
119: */
120: void array_Reset(array_t * __restrict arr, int purge);
121:
122: /*
123: * array_From() - Create and fill array from array with pointers
124: *
125: * @pargv = Array with pointers
126: * @argc = Number of Items, if 0 walk through argv and stop when reach NULL item
127: * return: NULL error, != NULL allocated new array
128: */
129: array_t *array_From(const char *** __restrict pargv, int argc);
130: /*
131: * array_Args() Parse and make array from arguments ... (input string will be modified!!!
132: * and output array must be free with array_Destroy() after use!)
133: *
134: * @psArgs = Input arguments line, after execute string is modified!!!
135: * @nargs = Maximum requested count of arguments from input string psArgs, if 0 all psArgs
136: * @csDelim = Delimiter(s) for separate
137: * @parr = Output array of arguments ... (must be free with array_Destroy() after use!)
138: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
139: */
140: int array_Args(char * __restrict psArgs, int nargs, const char *csDelim,
141: array_t ** __restrict parr);
142: /*
143: * array_To() - Create and fill array with pointers from dynamic array
144: *
145: * @arr = Array
146: * return: NULL error, != NULL allocated memory for array, NULL terminated
147: */
148: char **array_To(array_t * __restrict arr);
149:
150: /*
151: * array_Len() - Get last used element in dynamic array (array Length)
152: *
153: * @arr = Array
154: * return: -1 empty or >-1 position of last used element
155: */
156: int array_Len(array_t * __restrict arr);
157:
158: /*
159: * array_Grow() - Grow/Shrink dynamic array, Use with care when it shrink!!!
160: *
161: * @arr = Array
162: * @newNumItems = Number of Items
163: * @freeShrink = Free elements before shrink array
164: * return: -1 error, 0 ok
165: */
166: int array_Grow(array_t * __restrict arr, int newNumItems, int freeShrink);
167: /*
168: * array_Vacuum() - Vacuum dynamic array, empty elements will be deleted
169: *
170: * @arr = Array
171: * @fromWhere = 1 begin, 2 ALL empty elements
172: * return: -1 error, 0 ok
173: */
174: int array_Vacuum(array_t * __restrict arr, int fromWhere);
175: /*
176: * array_Concat() Concat source array to destination array
177: *
178: * @dest = Destination array
179: * @src = Source array
180: * return: -1 error; >0 new count of destination array
181: */
182: int array_Concat(array_t * __restrict dest, array_t * __restrict src);
183: /*
184: * array_Copy() Copy source array to destination array
185: *
186: * @dest = Destination array, after use free with array_Destroy()
187: * @src = Source array
188: * return: -1 error; >0 count of destination array
189: */
190: int array_Copy(array_t ** __restrict dest, array_t * __restrict src);
191:
192: /*
193: * array_Elem() - Always GET/PUT element into dynamic array, if not enough elements grow array
194: *
195: * @arr = Array
196: * @n = Position
197: * @data = Element, if set NULL GET element at position or !=NULL PUT element at position
198: * return: -1 error or !=-1 return element at position
199: */
200: void *array_Elem(array_t * __restrict arr, int n, void *data);
201: /*
202: * array_Push() - Push element into dynamic array like stack manner, place at first empty position
203: *
204: * @arr = Array
205: * @data = Element, if set NULL return only first empty position
206: * @nogrow = Don't grow array if not enough space
207: * return: -1 not found empty position, array is full!, >-1 return position of stored element into array
208: */
209: int array_Push(array_t * __restrict arr, void *data, int nogrow);
210: /*
211: * array_Pop() - Pop element from dynamic array like stack manner, last used position
212: *
213: * @arr = Array
214: * @data = Element, if set NULL return only last used position
215: * @nodel = Don't delete after Pop element
216: * return: -1 not found used position, array is empty!, >-1 return element position
217: */
218: int array_Pop(array_t * __restrict arr, void ** __restrict data, int nodel);
219:
220:
221: #endif
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