1: /*************************************************************************
2: * (C) 2013 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
6: * $Id: avar.h,v 1.3 2013/07/09 00:18:19 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 __AVAR_H
47: #define __AVAR_H
48:
49:
50: /* AIT RPC variables and managment */
51:
52: typedef enum {
53: empty, ptr, data, /* empty -> variable is not set; ptr -> void*; data -> data after struct */
54: buffer, string, blob, /* buffer -> uint8_t*; string -> int8_t*; blob -> uint32_t blobID(+socket); */
55: f32, f64, /* float -> f32; double -> f64 */
56: u8, u16, u32, u64, /* unsigned integers ... */
57: i8, i16, i32, i64, /* integers ... */
58: } ait_type_t;
59:
60: typedef struct {
61: uint8_t val_type;
62: union {
63: struct {
64: uint8_t val_in:1;
65: uint8_t val_be:1;
66: uint8_t val_le:1;
67: uint8_t val_pad:5;
68: };
69: uint8_t val_opt;
70: };
71: uint16_t val_key;
72: uint32_t val_len;
73: union {
74: uint64_t net;
75:
76: void *ptr;
77: uint8_t *buffer;
78: int8_t *string;
79: uint32_t blob;
80: float f32;
81: double f64;
82: uint8_t u8;
83: uint16_t u16;
84: uint32_t u32;
85: uint64_t u64;
86: int8_t i8;
87: int16_t i16;
88: int32_t i32;
89: int64_t i64;
90: } val;
91: uint8_t val_data[0];
92: } __packed ait_val_t; /* sizeof 16 bytes */
93:
94: #define AIT_TYPE(_vl) ((ait_type_t) (_vl)->val_type)
95: #define AIT_LEN(_vl) (_vl)->val_len
96: #define AIT_KEY(_vl) (_vl)->val_key
97: #define AIT_RAW(_vl) (_vl)->val.net
98: #define AIT_ADDR(_vl) (_vl)->val.buffer
99: #define AIT_IN(_vl) (_vl)->val_in
100: #define AIT_BE(_vl) (_vl)->val_be
101: #define AIT_LE(_vl) (_vl)->val_le
102: #define AIT_BLOB_CHUNKS(_vl, _n) (AIT_LEN((_vl)) / _n + (AIT_LEN((_vl)) % _n) ? 1 : 0)
103: #define AIT_ISEMPTY(_vl) (AIT_TYPE((_vl)) == empty)
104:
105: #define AIT_GET_LIKE(_vl, _type) ((_type) AIT_ADDR((_vl)))
106: #define AIT_SET_LIKE(_vl, _t, _l, _v) (assert((_vl)), ait_setlikeVar((_vl), _t, _l, _v))
107:
108: #define AIT_GET_PTR(_vl) (assert(AIT_TYPE((_vl)) == ptr), (_vl)->val.ptr)
109: #define AIT_GET_DATA(_vl) (assert(AIT_TYPE((_vl)) == data), (_vl)->val_data)
110: #define AIT_GET_BUF(_vl) (assert(AIT_TYPE((_vl)) == buffer), (_vl)->val.buffer)
111: #define AIT_GET_STR(_vl) (assert(AIT_TYPE((_vl)) == string), (char*) (_vl)->val.string)
112: #define AIT_GET_STRZ(_vl) (assert(AIT_TYPE((_vl)) == string), (_vl)->val.string ? \
113: (char*) (_vl)->val.string : "")
114: #define AIT_GET_BLOB(_vl) (assert(AIT_TYPE((_vl)) == blob), (_vl)->val.blob)
115: #define AIT_GET_U8(_vl) (assert(AIT_TYPE((_vl)) == u8), (_vl)->val.u8)
116: #define AIT_GET_U16(_vl) (assert(AIT_TYPE((_vl)) == u16), (_vl)->val.u16)
117: #define AIT_GET_U32(_vl) (assert(AIT_TYPE((_vl)) == u32), (_vl)->val.u32)
118: #define AIT_GET_U64(_vl) (assert(AIT_TYPE((_vl)) == u64), (_vl)->val.u64)
119: #define AIT_GET_I8(_vl) (assert(AIT_TYPE((_vl)) == i8), (_vl)->val.i8)
120: #define AIT_GET_I16(_vl) (assert(AIT_TYPE((_vl)) == i16), (_vl)->val.i16)
121: #define AIT_GET_I32(_vl) (assert(AIT_TYPE((_vl)) == i32), (_vl)->val.i32)
122: #define AIT_GET_I64(_vl) (assert(AIT_TYPE((_vl)) == i64), (_vl)->val.i64)
123: #define AIT_GET_F32(_vl) (assert(AIT_TYPE((_vl)) == f32), (_vl)->val.f32)
124: #define AIT_GET_F64(_vl) (assert(AIT_TYPE((_vl)) == f64), (_vl)->val.f64)
125:
126: #define AIT_SET_DATA(_vl, _p, _len) do { ait_val_t *__val = e_realloc((_vl), (sizeof(ait_val_t) + _len)); \
127: if (__val) { \
128: void *__p = (_p); \
129: if (__p) \
130: memcpy(__val->val_data, __p, _len); \
131: __val->val_in ^= __val->val_in; \
132: __val->val_type = data; AIT_LEN(__val) = _len; \
133: (_vl) = __val; \
134: } \
135: } while (0);
136: #define AIT_SET_PTR(_vl, _p, _len) do { ait_val_t *__val = (_vl); assert(__val); \
137: __val->val_type = ptr; __val->val.ptr = _p; \
138: AIT_LEN(__val) = _len; } while (0)
139: #define AIT_RE_BUF(_vl, _len) do { ait_val_t *__val = (_vl); assert(__val && !__val->val_in); \
140: void *__ptr = e_realloc(AIT_GET_BUF(__val), _len); \
141: if (__ptr) { \
142: __val->val.buffer = __ptr; AIT_LEN(__val) = _len; \
143: } } while (0)
144: #define AIT_SET_BUFSIZ(_vl, _c, _len) do { ait_val_t *__val = (_vl); assert(__val); \
145: __val->val.buffer = e_malloc(_len); \
146: if (__val->val.buffer) { \
147: __val->val_in ^= __val->val_in; \
148: __val->val_type = buffer; AIT_LEN(__val) = _len; \
149: memset(__val->val.buffer, _c, _len); \
150: } } while (0)
151: #define AIT_SET_BUF(_vl, _v, _len) do { ait_val_t *__val = (_vl); void *__p = (_v); assert(__val); \
152: __val->val.buffer = e_malloc(_len); \
153: if (__val->val.buffer) { \
154: __val->val_in ^= __val->val_in; \
155: __val->val_type = buffer; AIT_LEN(__val) = _len; \
156: if (__p) \
157: memcpy(__val->val.buffer, __p, _len); \
158: else \
159: memset(__val->val.buffer, 0, _len); \
160: } } while (0)
161: #define AIT_SET_STR(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); assert(__val); \
162: __val->val_type = string; \
163: __val->val_in ^= __val->val_in; \
164: if (__s) { \
165: __val->val.string = (int8_t*) e_strdup(__s); \
166: AIT_LEN(__val) = strlen((const char*) \
167: __val->val.string) + 1; \
168: } else { \
169: __val->val.string = NULL; \
170: AIT_LEN(__val) = 0; \
171: } \
172: } while (0)
173: #define AIT_SET_STRSIZ(_vl, _len) do { ait_val_t *__val = (_vl); assert(__val); \
174: __val->val.string = (int8_t*) e_malloc(_len + 1); \
175: if (__val->val.string) { \
176: __val->val_in ^= __val->val_in; \
177: __val->val_type = string; AIT_LEN(__val) = _len + 1; \
178: memset(__val->val.string, 0, AIT_LEN(__val)); \
179: } \
180: } while (0)
181: #define AIT_SET_STRCAT(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); int __l; \
182: assert(__val && !__val->val_in); \
183: assert(AIT_TYPE(__val) == string); \
184: if (!__s || !*__s) \
185: break; \
186: else \
187: __l = strlen(__s); \
188: if (!__val->val.string) \
189: __l++; \
190: void *__p = e_realloc(__val->val.string, AIT_LEN(__val) + __l); \
191: if (__p) { \
192: AIT_LEN(__val) += __l; \
193: if (!__val->val.string) \
194: memset(__p, 0, AIT_LEN(__val)); \
195: __val->val.string = __p; \
196: strlcat((char*) __val->val.string, __s, \
197: AIT_LEN(__val)); \
198: } \
199: } while (0)
200: #define AIT_SET_STRCPY(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); int __l; \
201: assert(__val && !__val->val_in); \
202: assert(AIT_TYPE(__val) == string); \
203: if (!__s || !*__s) \
204: break; \
205: else \
206: __l = strlen(__s) + 1; \
207: void *__p = e_realloc(__val->val.string, __l); \
208: if (__p) { \
209: AIT_LEN(__val) = __l; \
210: __val->val.string = __p; \
211: strlcpy((char*) __val->val.string, __s, \
212: AIT_LEN(__val)); \
213: } } while (0)
214: #define AIT_SET_STRLCPY(_vl, _v, _len) do { ait_val_t *__val = (_vl); const char *__s = (_v); \
215: assert(__val && !__val->val_in); \
216: assert(AIT_TYPE(__val) == string); \
217: if (!__s || !*__s) \
218: break; \
219: void *__p = e_realloc(__val->val.string, _len); \
220: if (__p) { \
221: AIT_LEN(__val) = _len; \
222: __val->val.string = __p; \
223: strlcpy((char*) __val->val.string, __s, \
224: AIT_LEN(__val)); \
225: } } while (0)
226: #define AIT_SET_BLOB(_vl, _n, _len) do { ait_val_t *__val = (_vl); assert(__val); \
227: __val->val_type = blob; __val->val.blob = _n; \
228: AIT_LEN(__val) = _len; } while (0)
229: #define AIT_SET_BLOB2(_vl, _bv) do { ait_val_t *__val = (_vl); assert(__val); assert((_bv)); \
230: __val->val_type = blob; AIT_LEN(__val) = \
231: (_bv)->blob_len; \
232: __val->val.blob = (_bv)->blob_var; } while (0)
233: #define AIT_NEW_BLOB(_vl, _len) AIT_SET_BLOB((_vl), 0, _len)
234:
235: #define AIT_SET_U8(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
236: __val->val_type = u8; __val->val.u8 = _n; \
237: AIT_LEN(__val) = sizeof(uint8_t); } while (0)
238: #define AIT_SET_U16(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
239: __val->val_type = u16; __val->val.u16 = _n; \
240: AIT_LEN(__val) = sizeof(uint16_t); } while (0)
241: #define AIT_SET_U32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
242: __val->val_type = u32; __val->val.u32 = _n; \
243: AIT_LEN(__val) = sizeof(uint32_t); } while (0)
244: #define AIT_SET_U64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
245: __val->val_type = u64; __val->val.u64 = _n; \
246: AIT_LEN(__val) = sizeof(uint64_t); } while (0)
247: #define AIT_SET_I8(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
248: __val->val_type = i8; __val->val.i8 = _n; \
249: AIT_LEN(__val) = sizeof(int8_t); } while (0)
250: #define AIT_SET_I16(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
251: __val->val_type = i16; __val->val.i16 = _n; \
252: AIT_LEN(__val) = sizeof(int16_t); } while (0)
253: #define AIT_SET_I32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
254: __val->val_type = i32; __val->val.i32 = _n; \
255: AIT_LEN(__val) = sizeof(int32_t); } while (0)
256: #define AIT_SET_I64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
257: __val->val_type = i64; __val->val.i64 = _n; \
258: AIT_LEN(__val) = sizeof(int64_t); } while (0)
259: #define AIT_SET_F32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
260: __val->val_type = f32; __val->val.f32 = _n; \
261: AIT_LEN(__val) = sizeof(float); } while (0)
262: #define AIT_SET_F64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
263: __val->val_type = f64; __val->val.f64 = _n; \
264: AIT_LEN(__val) = sizeof(double); } while (0)
265:
266: #define AIT_COPY_VAL(_vl, _v) do { assert((_vl)); assert((_v)); \
267: memcpy((_vl), (_v), sizeof(ait_val_t)); \
268: switch (AIT_TYPE((_vl))) { \
269: case buffer: \
270: AIT_SET_BUF((_vl), \
271: AIT_GET_BUF((_v)), \
272: AIT_LEN((_v))); \
273: break; \
274: case string: \
275: AIT_SET_STR((_vl), \
276: AIT_GET_STR((_v))); \
277: break; \
278: default: \
279: break; \
280: } \
281: } while (0)
282: #define AIT_COPY_DATA(_vl, _v) do { AIT_COPY_VAL((_vl), (_v)); \
283: if (AIT_TYPE((_vl)) == data) \
284: AIT_SET_DATA((_vl), AIT_GET_DATA((_v)), \
285: AIT_LEN((_v))); \
286: } while (0)
287:
288: #define AIT_VAL_INITIALIZER(_vl) { .val_type = empty, .val_opt = 0, \
289: .val_key = 0, .val_len = 0, \
290: .val.net = 0LL \
291: }
292: #define AIT_INIT_VAL(_vl) (memset((_vl), 0, sizeof(ait_val_t)))
293: #define AIT_INIT_VAL2(_vl, _t) do { \
294: AIT_INIT_VAL((_vl)); \
295: (_vl)->val_type = _t; \
296: } while (0)
297: /* if attribute zeroCopy is set not execute e_free() */
298: #define AIT_FREE_VAL(_vl) do { ait_val_t *__val = (_vl); assert(__val); \
299: switch (AIT_TYPE(__val)) { \
300: case buffer: \
301: if (!__val->val_in && \
302: __val->val.buffer) \
303: e_free(__val->val.buffer); \
304: __val->val.buffer = NULL; \
305: break; \
306: case string: \
307: if (!__val->val_in && \
308: __val->val.string) \
309: e_free(__val->val.string); \
310: __val->val.string = NULL; \
311: break; \
312: default: \
313: break; \
314: } \
315: __val->val_type = empty; \
316: __val->val_opt ^= __val->val_opt; \
317: AIT_LEN(__val) = 0; \
318: AIT_KEY(__val) = 0; \
319: } while (0)
320: #define AIT_ZERO_VAL(_vl) do { ait_val_t *__val = (_vl); assert(__val); \
321: switch (AIT_TYPE(__val)) { \
322: case buffer: \
323: case string: \
324: if (__val->val.buffer) \
325: memset(__val->val.buffer, 0, \
326: AIT_LEN(__val)); \
327: break; \
328: case data: \
329: memset(__val->val_data, 0, AIT_LEN(__val)); \
330: break; \
331: default: \
332: __val->val.net = 0LL; \
333: break; \
334: } \
335: AIT_KEY(__val) = 0; \
336: } while (0)
337:
338:
339: /*
340: * ait_vars2buffer() - Marshaling data from array with variables to buffer
341: *
342: * @buf = Buffer
343: * @buflen = Size of buffer
344: * @vars = Variable array
345: * return: -1 error, 0 nothing done or >0 size of marshaled data
346: */
347: int ait_vars2buffer(unsigned char * __restrict buf, int buflen,
348: array_t * __restrict vars);
349: /*
350: * ait_buffer2vars() - De-marshaling data from buffer to array with variables
351: *
352: * @buf = Buffer
353: * @buflen = Size of buffer
354: * @vnum = Number of variables into buffer
355: * @zcpy = Zero-copy for variables, if !=0 don't use array_Free() for free variables and
356: *DON'T MODIFY OR DESTROY BUFFER*. =0 call array_Free() before array_Destroy()
357: * return: =NULL error, !=NULL allocated variable array, after use must free with array_Destroy()
358: */
359: array_t *ait_buffer2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy);
360: /*
361: * ait_vars2map() - Marshaling data from array with variables to memory map
362: *
363: * @buf = Buffer
364: * @buflen = Size of buffer
365: * @vars = Variable array
366: * return: -1 error, 0 nothing done or >0 size of marshaled data
367: */
368: int ait_vars2map(unsigned char * __restrict buf, int buflen, array_t * __restrict vars);
369: /*
370: * ait_map2vars() - De-marshaling data from memory map to array with variables
371: *
372: * @buf = Buffer
373: * @buflen = Size of buffer
374: * @vnum = Number of variables into buffer
375: * @zcpy = Zero-copy for variables, if !=0 don't use array_Free() for free variables and
376: *DON'T MODIFY OR DESTROY BUFFER*. =0 call array_Free() before array_Destroy()
377: * return: =NULL error, !=NULL allocated variable array, after use must free with array_Destroy()
378: */
379: array_t *ait_map2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy);
380:
381:
382: /*
383: * ait_allocVar() - Allocate memory for variable
384: *
385: * return: NULL error or new variable, after use free variable with ait_freeVar()
386: */
387: ait_val_t *ait_allocVar(void);
388: /*
389: * ait_freeVar() - Free allocated memory for variable
390: *
391: * @val = Variable
392: * return: none
393: */
394: void ait_freeVar(ait_val_t ** __restrict val);
395: /*
396: * ait_makeVar() - Allocate memory and fill variable
397: *
398: * @type = type of variable
399: * @... = arg1 is value of variable
400: * @... = arg2 is length of variabla. Not required for numbers and strings!
401: * return: NULL error or new variable, after use free variable with ait_freeVar()
402: */
403: ait_val_t *ait_makeVar(ait_type_t type, ...);
404: /*
405: * ait_getlikeVar() - Get variable like ...
406: *
407: * @v = variable
408: * return: return raw data
409: */
410: uint64_t ait_getlikeVar(ait_val_t * __restrict v);
411: /*
412: * ait_setlikeVar() - Set variable like ...
413: *
414: * @v = variable
415: * @t = type of data
416: * @l = length of data
417: * @... = data
418: * return: -1 error or 0 ok
419: */
420: int ait_setlikeVar(ait_val_t * __restrict v, ait_type_t t, unsigned int l, ...);
421: /*
422: * ait_sprintfVar() - Builtin string variable from formatted input
423: *
424: * @v = variable
425: * @fmt = format string
426: * @... = argument(s)
427: * return: -1 error or >0 copied bytes to variable
428: */
429: int ait_sprintfVar(ait_val_t * __restrict v, const char *fmt, ...);
430: /*
431: * ait_cmpVar() - Compare two variables
432: *
433: * @a = 1st variable
434: * @b = 2nd variable
435: * return: 0 is equal or !=0 is different
436: */
437: int ait_cmpVar(ait_val_t * __restrict a, ait_val_t * __restrict b);
438: /*
439: * ait_hashVar() - Generate hash key for variable from string or value
440: *
441: * @v = variable
442: * @key = key string for hash, if =NULL hash will built from variable
443: * return: hash key
444: */
445: unsigned short ait_hashVar(ait_val_t * __restrict v, const char * __restrict key);
446:
447:
448: /*
449: * ait_allocVars() - Allocate ait_val_t array
450: *
451: * @varnum = Number of variables
452: * return: =NULL error or !=NULL allocated array
453: */
454: array_t *ait_allocVars(int varnum);
455: /*
456: * ait_clrVars() - Clear ait_val_t elements from array
457: *
458: * @vars = Variable array
459: * return: -1 error or size of array
460: */
461: int ait_clrVars(array_t * __restrict vars);
462: /*
463: * ait_freeVars() - Free ait_val_t array
464: *
465: * @vars = Variable array
466: * return: none
467: */
468: void ait_freeVars(array_t ** __restrict vars);
469: /*
470: * ait_getVars() - Get ait_val_t element from array and if not exists allocate it
471: *
472: * @vars = Variable array
473: * @n = index of variable into array
474: * return: NULL error or !=NULL ait_val_t element
475: */
476: ait_val_t *ait_getVars(array_t ** __restrict vars, int n);
477: /*
478: * ait_sortVarsByKey() - Sorting array with variables by key
479: *
480: * @vars = Variable array
481: * @order = Sort order. If =0 ascend or !=0 descend
482: * return: none
483: */
484: void ait_sortVarsByKey(array_t * __restrict vars, int order);
485: /*
486: * ait_sortVarsByVal() - Sorting array with variables by value
487: *
488: * @vars = Variable array
489: * @order = Sort order. If =0 ascend or !=0 descend
490: * @cmp = Custom compare function for sorting. If =NULL compare by value
491: * return: none
492: */
493: void ait_sortVarsByVal(array_t * __restrict vars, int order,
494: int (*cmp)(const void*, const void*));
495: /*
496: * ait_findKeyVars() - Find variable by key from array
497: *
498: * @vars = Variables
499: * @key = Search key
500: * return: NULL error or not found, !=NULL valid element
501: */
502: ait_val_t *ait_findKeyVars(array_t * __restrict vars, unsigned short key);
503: /*
504: * ait_findKeyHash() - Find variable by hash string from array
505: *
506: * @vars = Variables
507: * @key = Search string
508: * return: NULL error or not found, !=NULL valid element
509: */
510: ait_val_t *ait_findKeyHash(array_t * __restrict vars, const char * __restrict key);
511: /*
512: * ait_hashKeyVars() - Generate hash keys for variables
513: *
514: * @vars = Variables
515: * return -1 error or 0 ok
516: */
517: int ait_hashKeyVars(array_t * __restrict vars);
518:
519:
520: #endif
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