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 1.2.6.1 2013/06/10 12:34:14 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, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
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)), memset((_arr)->arr_data, 0, \
59: array_Size((_arr)) * sizeof(intptr_t)))
60:
61: #define array_Ptr(_arr, _d) (_arr)->arr_data[_d]
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_num > _d), (_arr)->arr_data[_d])
64: #define array(_arr, _d, _type) (assert((_arr) && (_arr)->arr_num > _d), \
65: ((_type) (_arr)->arr_data[_d]))
66: #define array_Set(_arr, _d, _ptr) do { assert((_arr) && (_arr)->arr_num > _d); \
67: if ((_arr)->arr_last < _d) \
68: (_arr)->arr_last = _d; \
69: (_arr)->arr_data[_d] = (void*) (_ptr); \
70: } while (0)
71: #define array_Del(_arr, _d, _fri) do { assert((_arr) && (_arr)->arr_num > _d); \
72: if (_fri && (_arr)->arr_data[_d]) \
73: e_free((_arr)->arr_data[_d]); \
74: (_arr)->arr_data[_d] = NULL; \
75: } while (0)
76:
77: /*
78: * array_Init() - Create and initialize dynamic array
79: *
80: * @numItems = Number of Items
81: * return: NULL error, != NULL allocated memory for array
82: */
83: array_t *array_Init(int numItems);
84: /*
85: * array_Destroy() - Free and destroy dynamic array
86: *
87: * @parr = Array
88: * return: none
89: */
90: void array_Destroy(array_t ** __restrict parr);
91: /*
92: * array_Free() - Free all data in dynamic array items
93: * (WARNING! If assign static array dont use this!!!)
94: *
95: * @arr = Array
96: * return: none
97: */
98: void array_Free(array_t * __restrict arr);
99:
100: /*
101: * array_From() - Create and fill array from array with pointers
102: *
103: * @pargv = Array with pointers
104: * @argc = Number of Items, if 0 walk through argv and stop when reach NULL item
105: * return: NULL error, != NULL allocated new array
106: */
107: array_t *array_From(const char *** __restrict pargv, int argc);
108: /*
109: * array_Args() Parse and make array from arguments ... (input string will be modified!!!
110: * and output array must be free with io_arrayDestroy() after use!)
111: *
112: * @psArgs = Input arguments line, after execute string is modified!!!
113: * @nargs = Maximum requested count of arguments from input string psArgs, if 0 all psArgs
114: * @csDelim = Delimiter(s) for separate
115: * @parr = Output array of arguments ... (must be free with array_Destroy() after use!)
116: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
117: */
118: int array_Args(char * __restrict psArgs, int nargs, const char *csDelim,
119: array_t ** __restrict parr);
120: /*
121: * array_To() - Create and fill array with pointers from dynamic array
122: *
123: * @arr = Array
124: * return: NULL error, != NULL allocated memory for array, NULL terminated
125: */
126: char **array_To(array_t * __restrict arr);
127:
128: /*
129: * array_Len() - Get last used element in dynamic array (array Length)
130: *
131: * @arr = Array
132: * return: -1 empty or >-1 position of last used element
133: */
134: int array_Len(array_t * __restrict arr);
135:
136: /*
137: * array_Grow() - Grow/Shrink dynamic array, Use with care when it shrink!!!
138: *
139: * @arr = Array
140: * @newNumItems = Number of Items
141: * @freeShrink = Free elements before shrink array
142: * return: -1 error, 0 ok
143: */
144: int array_Grow(array_t * __restrict arr, int newNumItems, int freeShrink);
145: /*
146: * array_Vacuum() - Vacuum dynamic array, empty elements will be deleted
147: *
148: * @arr = Array
149: * @fromWhere = 1 begin, 2 ALL empty elements
150: * return: -1 error, 0 ok
151: */
152: int array_Vacuum(array_t * __restrict arr, int fromWhere);
153: /*
154: * array_Concat() Concat source array to destination array
155: *
156: * @dest = Destination array
157: * @src = Source array
158: * return: -1 error; >0 new count of destination array
159: */
160: int array_Concat(array_t * __restrict dest, array_t * __restrict src);
161: /*
162: * array_Copy() Copy source array to destination array
163: *
164: * @dest = Destination array, after use free with io_arrayDestroy()
165: * @src = Source array
166: * return: -1 error; >0 count of destination array
167: */
168: int array_Copy(array_t ** __restrict dest, array_t * __restrict src);
169:
170: /*
171: * array_Elem() - Always GET/PUT element into dynamic array, if not enough elements grow array
172: *
173: * @arr = Array
174: * @n = Position
175: * @data = Element, if set NULL GET element at position or !=NULL PUT element at position
176: * return: -1 error or !=-1 return element at position
177: */
178: void *array_Elem(array_t * __restrict arr, int n, void *data);
179: /*
180: * array_Push() - Push element into dynamic array like stack manner, place at first empty position
181: *
182: * @arr = Array
183: * @data = Element, if set NULL return only first empty position
184: * @nogrow = Don't grow array if not enough space
185: * return: -1 not found empty position, array is full!, >-1 return position of stored element into array
186: */
187: int array_Push(array_t * __restrict arr, void *data, int nogrow);
188: /*
189: * array_Pop() - Pop element from dynamic array like stack manner, last used position
190: *
191: * @arr = Array
192: * @data = Element, if set NULL return only last used position
193: * @nodel = Don't delete after Pop element
194: * return: -1 not found used position, array is empty!, >-1 return element position
195: */
196: int array_Pop(array_t * __restrict arr, void ** __restrict data, int nodel);
197:
198:
199: #endif
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