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1.1 misho 1: /*************************************************************************
2: * (C) 2013 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
1.4.2.1 ! misho 6: * $Id: avar.h,v 1.4 2013/08/12 02:10:44 misho Exp $
1.1 misho 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;
1.4.2.1 ! misho 67: uint8_t val_const:1;
! 68: uint8_t val_f0:1;
! 69: uint8_t val_f1:1;
! 70: uint8_t val_f2:1;
! 71: uint8_t val_f3:1;
1.1 misho 72: };
73: uint8_t val_opt;
74: };
75: uint16_t val_key;
76: uint32_t val_len;
77: union {
78: uint64_t net;
79:
80: void *ptr;
81: uint8_t *buffer;
82: int8_t *string;
83: uint32_t blob;
84: float f32;
85: double f64;
86: uint8_t u8;
87: uint16_t u16;
88: uint32_t u32;
89: uint64_t u64;
90: int8_t i8;
91: int16_t i16;
92: int32_t i32;
93: int64_t i64;
94: } val;
95: uint8_t val_data[0];
96: } __packed ait_val_t; /* sizeof 16 bytes */
97:
98: #define AIT_TYPE(_vl) ((ait_type_t) (_vl)->val_type)
99: #define AIT_LEN(_vl) (_vl)->val_len
100: #define AIT_KEY(_vl) (_vl)->val_key
101: #define AIT_RAW(_vl) (_vl)->val.net
102: #define AIT_ADDR(_vl) (_vl)->val.buffer
103: #define AIT_IN(_vl) (_vl)->val_in
104: #define AIT_BE(_vl) (_vl)->val_be
105: #define AIT_LE(_vl) (_vl)->val_le
1.4.2.1 ! misho 106: #define AIT_CONST(_vl) (_vl)->val_const
! 107: #define AIT_FLAG0(_vl) (_vl)->val_f0
! 108: #define AIT_FLAG1(_vl) (_vl)->val_f1
! 109: #define AIT_FLAG2(_vl) (_vl)->val_f2
! 110: #define AIT_FLAG3(_vl) (_vl)->val_f3
1.1 misho 111: #define AIT_BLOB_CHUNKS(_vl, _n) (AIT_LEN((_vl)) / _n + (AIT_LEN((_vl)) % _n) ? 1 : 0)
112: #define AIT_ISEMPTY(_vl) (AIT_TYPE((_vl)) == empty)
113:
114: #define AIT_GET_LIKE(_vl, _type) ((_type) AIT_ADDR((_vl)))
115: #define AIT_SET_LIKE(_vl, _t, _l, _v) (assert((_vl)), ait_setlikeVar((_vl), _t, _l, _v))
116:
117: #define AIT_GET_PTR(_vl) (assert(AIT_TYPE((_vl)) == ptr), (_vl)->val.ptr)
118: #define AIT_GET_DATA(_vl) (assert(AIT_TYPE((_vl)) == data), (_vl)->val_data)
119: #define AIT_GET_BUF(_vl) (assert(AIT_TYPE((_vl)) == buffer), (_vl)->val.buffer)
120: #define AIT_GET_STR(_vl) (assert(AIT_TYPE((_vl)) == string), (char*) (_vl)->val.string)
121: #define AIT_GET_STRZ(_vl) (assert(AIT_TYPE((_vl)) == string), (_vl)->val.string ? \
122: (char*) (_vl)->val.string : "")
123: #define AIT_GET_BLOB(_vl) (assert(AIT_TYPE((_vl)) == blob), (_vl)->val.blob)
124: #define AIT_GET_U8(_vl) (assert(AIT_TYPE((_vl)) == u8), (_vl)->val.u8)
125: #define AIT_GET_U16(_vl) (assert(AIT_TYPE((_vl)) == u16), (_vl)->val.u16)
126: #define AIT_GET_U32(_vl) (assert(AIT_TYPE((_vl)) == u32), (_vl)->val.u32)
127: #define AIT_GET_U64(_vl) (assert(AIT_TYPE((_vl)) == u64), (_vl)->val.u64)
128: #define AIT_GET_I8(_vl) (assert(AIT_TYPE((_vl)) == i8), (_vl)->val.i8)
129: #define AIT_GET_I16(_vl) (assert(AIT_TYPE((_vl)) == i16), (_vl)->val.i16)
130: #define AIT_GET_I32(_vl) (assert(AIT_TYPE((_vl)) == i32), (_vl)->val.i32)
131: #define AIT_GET_I64(_vl) (assert(AIT_TYPE((_vl)) == i64), (_vl)->val.i64)
132: #define AIT_GET_F32(_vl) (assert(AIT_TYPE((_vl)) == f32), (_vl)->val.f32)
133: #define AIT_GET_F64(_vl) (assert(AIT_TYPE((_vl)) == f64), (_vl)->val.f64)
134:
1.4.2.1 ! misho 135: #define AIT_SET_DATA(_vl, _p, _len) do { assert(!(_vl) || ((_vl) && !AIT_CONST((_vl)))); \
! 136: ait_val_t *__val = e_realloc((_vl), \
! 137: (sizeof(ait_val_t) + _len)); \
1.1 misho 138: if (__val) { \
139: void *__p = (_p); \
140: if (__p) \
141: memcpy(__val->val_data, __p, _len); \
142: __val->val_in ^= __val->val_in; \
143: __val->val_type = data; AIT_LEN(__val) = _len; \
144: (_vl) = __val; \
145: } \
146: } while (0);
1.4.2.1 ! misho 147: #define AIT_SET_PTR(_vl, _p, _len) do { ait_val_t *__val = (_vl); \
! 148: assert(__val && !AIT_CONST(__val)); \
1.1 misho 149: __val->val_type = ptr; __val->val.ptr = _p; \
150: AIT_LEN(__val) = _len; } while (0)
1.4.2.1 ! misho 151: #define AIT_RE_BUF(_vl, _len) do { ait_val_t *__val = (_vl); \
! 152: assert(__val && !__val->val_in && !AIT_CONST(__val)); \
1.1 misho 153: void *__ptr = e_realloc(AIT_GET_BUF(__val), _len); \
154: if (__ptr) { \
155: __val->val.buffer = __ptr; AIT_LEN(__val) = _len; \
156: } } while (0)
1.4.2.1 ! misho 157: #define AIT_SET_BUFSIZ(_vl, _c, _len) do { ait_val_t *__val = (_vl); \
! 158: assert(__val && !AIT_CONST(__val)); \
1.1 misho 159: __val->val.buffer = e_malloc(_len); \
160: if (__val->val.buffer) { \
161: __val->val_in ^= __val->val_in; \
162: __val->val_type = buffer; AIT_LEN(__val) = _len; \
163: memset(__val->val.buffer, _c, _len); \
164: } } while (0)
1.4.2.1 ! misho 165: #define AIT_SET_BUF(_vl, _v, _len) do { ait_val_t *__val = (_vl); void *__p = (_v); \
! 166: assert(__val && !AIT_CONST(__val)); \
1.1 misho 167: __val->val.buffer = e_malloc(_len); \
168: if (__val->val.buffer) { \
169: __val->val_in ^= __val->val_in; \
170: __val->val_type = buffer; AIT_LEN(__val) = _len; \
171: if (__p) \
172: memcpy(__val->val.buffer, __p, _len); \
173: else \
174: memset(__val->val.buffer, 0, _len); \
175: } } while (0)
1.4.2.1 ! misho 176: #define AIT_SET_STR(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); \
! 177: assert(__val && !AIT_CONST(__val)); \
1.1 misho 178: __val->val_type = string; \
179: __val->val_in ^= __val->val_in; \
180: if (__s) { \
181: __val->val.string = (int8_t*) e_strdup(__s); \
182: AIT_LEN(__val) = strlen((const char*) \
183: __val->val.string) + 1; \
184: } else { \
185: __val->val.string = NULL; \
186: AIT_LEN(__val) = 0; \
187: } \
188: } while (0)
1.4.2.1 ! misho 189: #define AIT_SET_STRSIZ(_vl, _len) do { ait_val_t *__val = (_vl); \
! 190: assert(__val && !AIT_CONST(__val)); \
1.1 misho 191: __val->val.string = (int8_t*) e_malloc(_len + 1); \
192: if (__val->val.string) { \
193: __val->val_in ^= __val->val_in; \
194: __val->val_type = string; AIT_LEN(__val) = _len + 1; \
195: memset(__val->val.string, 0, AIT_LEN(__val)); \
196: } \
197: } while (0)
198: #define AIT_SET_STRCAT(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); int __l; \
1.4.2.1 ! misho 199: assert(__val && !__val->val_in && !AIT_CONST(__val)); \
1.1 misho 200: assert(AIT_TYPE(__val) == string); \
201: if (!__s || !*__s) \
202: break; \
203: else \
204: __l = strlen(__s); \
205: if (!__val->val.string) \
206: __l++; \
207: void *__p = e_realloc(__val->val.string, AIT_LEN(__val) + __l); \
208: if (__p) { \
209: AIT_LEN(__val) += __l; \
210: if (!__val->val.string) \
211: memset(__p, 0, AIT_LEN(__val)); \
212: __val->val.string = __p; \
213: strlcat((char*) __val->val.string, __s, \
214: AIT_LEN(__val)); \
215: } \
216: } while (0)
217: #define AIT_SET_STRCPY(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); int __l; \
1.4.2.1 ! misho 218: assert(__val && !__val->val_in && !AIT_CONST(__val)); \
1.1 misho 219: assert(AIT_TYPE(__val) == string); \
220: if (!__s || !*__s) \
221: break; \
222: else \
223: __l = strlen(__s) + 1; \
224: void *__p = e_realloc(__val->val.string, __l); \
225: if (__p) { \
226: AIT_LEN(__val) = __l; \
227: __val->val.string = __p; \
228: strlcpy((char*) __val->val.string, __s, \
229: AIT_LEN(__val)); \
230: } } while (0)
231: #define AIT_SET_STRLCPY(_vl, _v, _len) do { ait_val_t *__val = (_vl); const char *__s = (_v); \
1.4.2.1 ! misho 232: assert(__val && !__val->val_in && !AIT_CONST(__val)); \
1.1 misho 233: assert(AIT_TYPE(__val) == string); \
234: if (!__s || !*__s) \
235: break; \
236: void *__p = e_realloc(__val->val.string, _len); \
237: if (__p) { \
238: AIT_LEN(__val) = _len; \
239: __val->val.string = __p; \
240: strlcpy((char*) __val->val.string, __s, \
241: AIT_LEN(__val)); \
242: } } while (0)
1.4.2.1 ! misho 243: #define AIT_SET_BLOB(_vl, _n, _len) do { ait_val_t *__val = (_vl); \
! 244: assert(__val && !AIT_CONST(__val)); \
1.1 misho 245: __val->val_type = blob; __val->val.blob = _n; \
246: AIT_LEN(__val) = _len; } while (0)
1.4.2.1 ! misho 247: #define AIT_SET_BLOB2(_vl, _bv) do { ait_val_t *__val = (_vl); assert((_bv)); \
! 248: assert(__val && !AIT_CONST(__val)); \
1.1 misho 249: __val->val_type = blob; AIT_LEN(__val) = \
250: (_bv)->blob_len; \
251: __val->val.blob = (_bv)->blob_var; } while (0)
252: #define AIT_NEW_BLOB(_vl, _len) AIT_SET_BLOB((_vl), 0, _len)
253:
1.4.2.1 ! misho 254: #define AIT_SET_U8(_vl, _n) do { ait_val_t *__val = (_vl); \
! 255: assert(__val && !AIT_CONST(__val)); \
1.1 misho 256: __val->val_type = u8; __val->val.u8 = _n; \
257: AIT_LEN(__val) = sizeof(uint8_t); } while (0)
1.4.2.1 ! misho 258: #define AIT_SET_U16(_vl, _n) do { ait_val_t *__val = (_vl); \
! 259: assert(__val && !AIT_CONST(__val)); \
1.1 misho 260: __val->val_type = u16; __val->val.u16 = _n; \
261: AIT_LEN(__val) = sizeof(uint16_t); } while (0)
1.4.2.1 ! misho 262: #define AIT_SET_U32(_vl, _n) do { ait_val_t *__val = (_vl); \
! 263: assert(__val && !AIT_CONST(__val)); \
1.1 misho 264: __val->val_type = u32; __val->val.u32 = _n; \
265: AIT_LEN(__val) = sizeof(uint32_t); } while (0)
1.4.2.1 ! misho 266: #define AIT_SET_U64(_vl, _n) do { ait_val_t *__val = (_vl); \
! 267: assert(__val && !AIT_CONST(__val)); \
1.1 misho 268: __val->val_type = u64; __val->val.u64 = _n; \
269: AIT_LEN(__val) = sizeof(uint64_t); } while (0)
1.4.2.1 ! misho 270: #define AIT_SET_I8(_vl, _n) do { ait_val_t *__val = (_vl); \
! 271: assert(__val && !AIT_CONST(__val)); \
1.1 misho 272: __val->val_type = i8; __val->val.i8 = _n; \
273: AIT_LEN(__val) = sizeof(int8_t); } while (0)
1.4.2.1 ! misho 274: #define AIT_SET_I16(_vl, _n) do { ait_val_t *__val = (_vl); \
! 275: assert(__val && !AIT_CONST(__val)); \
1.1 misho 276: __val->val_type = i16; __val->val.i16 = _n; \
277: AIT_LEN(__val) = sizeof(int16_t); } while (0)
1.4.2.1 ! misho 278: #define AIT_SET_I32(_vl, _n) do { ait_val_t *__val = (_vl); \
! 279: assert(__val && !AIT_CONST(__val)); \
1.1 misho 280: __val->val_type = i32; __val->val.i32 = _n; \
281: AIT_LEN(__val) = sizeof(int32_t); } while (0)
1.4.2.1 ! misho 282: #define AIT_SET_I64(_vl, _n) do { ait_val_t *__val = (_vl); \
! 283: assert(__val && !AIT_CONST(__val)); \
1.1 misho 284: __val->val_type = i64; __val->val.i64 = _n; \
285: AIT_LEN(__val) = sizeof(int64_t); } while (0)
1.4.2.1 ! misho 286: #define AIT_SET_F32(_vl, _n) do { ait_val_t *__val = (_vl); \
! 287: assert(__val && !AIT_CONST(__val)); \
1.1 misho 288: __val->val_type = f32; __val->val.f32 = _n; \
289: AIT_LEN(__val) = sizeof(float); } while (0)
1.4.2.1 ! misho 290: #define AIT_SET_F64(_vl, _n) do { ait_val_t *__val = (_vl); \
! 291: assert(__val && !AIT_CONST(__val)); \
1.1 misho 292: __val->val_type = f64; __val->val.f64 = _n; \
293: AIT_LEN(__val) = sizeof(double); } while (0)
294:
1.4.2.1 ! misho 295: #define AIT_COPY_VAL(_vl, _v) do { assert((_vl) && (_v) && !AIT_CONST(__val)); \
1.1 misho 296: memcpy((_vl), (_v), sizeof(ait_val_t)); \
297: switch (AIT_TYPE((_vl))) { \
298: case buffer: \
299: AIT_SET_BUF((_vl), \
300: AIT_GET_BUF((_v)), \
301: AIT_LEN((_v))); \
302: break; \
303: case string: \
304: AIT_SET_STR((_vl), \
305: AIT_GET_STR((_v))); \
306: break; \
307: default: \
308: break; \
309: } \
310: } while (0)
311: #define AIT_COPY_DATA(_vl, _v) do { AIT_COPY_VAL((_vl), (_v)); \
312: if (AIT_TYPE((_vl)) == data) \
313: AIT_SET_DATA((_vl), AIT_GET_DATA((_v)), \
314: AIT_LEN((_v))); \
315: } while (0)
316:
1.4 misho 317: #define AIT_VAL_INITIALIZER(_vl) { .val_type = empty, { .val_opt = 0 }, \
1.3 misho 318: .val_key = 0, .val_len = 0, \
319: .val.net = 0LL \
320: }
1.1 misho 321: #define AIT_INIT_VAL(_vl) (memset((_vl), 0, sizeof(ait_val_t)))
322: #define AIT_INIT_VAL2(_vl, _t) do { \
323: AIT_INIT_VAL((_vl)); \
324: (_vl)->val_type = _t; \
325: } while (0)
326: /* if attribute zeroCopy is set not execute e_free() */
327: #define AIT_FREE_VAL(_vl) do { ait_val_t *__val = (_vl); assert(__val); \
328: switch (AIT_TYPE(__val)) { \
329: case buffer: \
330: if (!__val->val_in && \
331: __val->val.buffer) \
332: e_free(__val->val.buffer); \
333: __val->val.buffer = NULL; \
334: break; \
335: case string: \
336: if (!__val->val_in && \
337: __val->val.string) \
338: e_free(__val->val.string); \
339: __val->val.string = NULL; \
340: break; \
341: default: \
342: break; \
343: } \
344: __val->val_type = empty; \
345: __val->val_opt ^= __val->val_opt; \
346: AIT_LEN(__val) = 0; \
347: AIT_KEY(__val) = 0; \
348: } while (0)
1.4.2.1 ! misho 349: #define AIT_ZERO_VAL(_vl) do { ait_val_t *__val = (_vl); \
! 350: assert(__val && !AIT_CONST(__val)); \
1.1 misho 351: switch (AIT_TYPE(__val)) { \
352: case buffer: \
353: case string: \
354: if (__val->val.buffer) \
355: memset(__val->val.buffer, 0, \
356: AIT_LEN(__val)); \
357: break; \
358: case data: \
359: memset(__val->val_data, 0, AIT_LEN(__val)); \
360: break; \
361: default: \
362: __val->val.net = 0LL; \
363: break; \
364: } \
365: AIT_KEY(__val) = 0; \
366: } while (0)
367:
368:
369: /*
370: * ait_vars2buffer() - Marshaling data from array with variables to buffer
371: *
372: * @buf = Buffer
373: * @buflen = Size of buffer
374: * @vars = Variable array
375: * return: -1 error, 0 nothing done or >0 size of marshaled data
376: */
1.2 misho 377: int ait_vars2buffer(unsigned char * __restrict buf, int buflen,
1.1 misho 378: array_t * __restrict vars);
379: /*
380: * ait_buffer2vars() - De-marshaling data from buffer to array with variables
381: *
382: * @buf = Buffer
383: * @buflen = Size of buffer
384: * @vnum = Number of variables into buffer
385: * @zcpy = Zero-copy for variables, if !=0 don't use array_Free() for free variables and
386: *DON'T MODIFY OR DESTROY BUFFER*. =0 call array_Free() before array_Destroy()
387: * return: =NULL error, !=NULL allocated variable array, after use must free with array_Destroy()
388: */
1.2 misho 389: array_t *ait_buffer2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy);
1.1 misho 390: /*
391: * ait_vars2map() - Marshaling data from array with variables to memory map
392: *
393: * @buf = Buffer
394: * @buflen = Size of buffer
395: * @vars = Variable array
396: * return: -1 error, 0 nothing done or >0 size of marshaled data
397: */
1.2 misho 398: int ait_vars2map(unsigned char * __restrict buf, int buflen, array_t * __restrict vars);
1.1 misho 399: /*
400: * ait_map2vars() - De-marshaling data from memory map to array with variables
401: *
402: * @buf = Buffer
403: * @buflen = Size of buffer
404: * @vnum = Number of variables into buffer
405: * @zcpy = Zero-copy for variables, if !=0 don't use array_Free() for free variables and
406: *DON'T MODIFY OR DESTROY BUFFER*. =0 call array_Free() before array_Destroy()
407: * return: =NULL error, !=NULL allocated variable array, after use must free with array_Destroy()
408: */
1.2 misho 409: array_t *ait_map2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy);
1.1 misho 410:
411:
412: /*
413: * ait_allocVar() - Allocate memory for variable
414: *
415: * return: NULL error or new variable, after use free variable with ait_freeVar()
416: */
1.2 misho 417: ait_val_t *ait_allocVar(void);
1.1 misho 418: /*
419: * ait_freeVar() - Free allocated memory for variable
420: *
421: * @val = Variable
422: * return: none
423: */
1.2 misho 424: void ait_freeVar(ait_val_t ** __restrict val);
1.1 misho 425: /*
426: * ait_makeVar() - Allocate memory and fill variable
427: *
428: * @type = type of variable
429: * @... = arg1 is value of variable
430: * @... = arg2 is length of variabla. Not required for numbers and strings!
431: * return: NULL error or new variable, after use free variable with ait_freeVar()
432: */
433: ait_val_t *ait_makeVar(ait_type_t type, ...);
434: /*
435: * ait_getlikeVar() - Get variable like ...
436: *
437: * @v = variable
438: * return: return raw data
439: */
1.2 misho 440: uint64_t ait_getlikeVar(ait_val_t * __restrict v);
1.1 misho 441: /*
442: * ait_setlikeVar() - Set variable like ...
443: *
444: * @v = variable
445: * @t = type of data
446: * @l = length of data
447: * @... = data
448: * return: -1 error or 0 ok
449: */
1.2 misho 450: int ait_setlikeVar(ait_val_t * __restrict v, ait_type_t t, unsigned int l, ...);
1.1 misho 451: /*
452: * ait_sprintfVar() - Builtin string variable from formatted input
453: *
454: * @v = variable
455: * @fmt = format string
456: * @... = argument(s)
457: * return: -1 error or >0 copied bytes to variable
458: */
459: int ait_sprintfVar(ait_val_t * __restrict v, const char *fmt, ...);
460: /*
461: * ait_cmpVar() - Compare two variables
462: *
463: * @a = 1st variable
464: * @b = 2nd variable
465: * return: 0 is equal or !=0 is different
466: */
1.2 misho 467: int ait_cmpVar(ait_val_t * __restrict a, ait_val_t * __restrict b);
1.1 misho 468: /*
469: * ait_hashVar() - Generate hash key for variable from string or value
470: *
471: * @v = variable
472: * @key = key string for hash, if =NULL hash will built from variable
473: * return: hash key
474: */
475: unsigned short ait_hashVar(ait_val_t * __restrict v, const char * __restrict key);
476:
477:
478: /*
479: * ait_allocVars() - Allocate ait_val_t array
480: *
481: * @varnum = Number of variables
482: * return: =NULL error or !=NULL allocated array
483: */
1.2 misho 484: array_t *ait_allocVars(int varnum);
1.1 misho 485: /*
486: * ait_clrVars() - Clear ait_val_t elements from array
487: *
488: * @vars = Variable array
489: * return: -1 error or size of array
490: */
1.2 misho 491: int ait_clrVars(array_t * __restrict vars);
1.1 misho 492: /*
493: * ait_freeVars() - Free ait_val_t array
494: *
495: * @vars = Variable array
496: * return: none
497: */
1.2 misho 498: void ait_freeVars(array_t ** __restrict vars);
1.1 misho 499: /*
500: * ait_getVars() - Get ait_val_t element from array and if not exists allocate it
501: *
502: * @vars = Variable array
503: * @n = index of variable into array
504: * return: NULL error or !=NULL ait_val_t element
505: */
1.2 misho 506: ait_val_t *ait_getVars(array_t ** __restrict vars, int n);
1.1 misho 507: /*
508: * ait_sortVarsByKey() - Sorting array with variables by key
509: *
510: * @vars = Variable array
511: * @order = Sort order. If =0 ascend or !=0 descend
512: * return: none
513: */
1.2 misho 514: void ait_sortVarsByKey(array_t * __restrict vars, int order);
1.1 misho 515: /*
516: * ait_sortVarsByVal() - Sorting array with variables by value
517: *
518: * @vars = Variable array
519: * @order = Sort order. If =0 ascend or !=0 descend
520: * @cmp = Custom compare function for sorting. If =NULL compare by value
521: * return: none
522: */
1.2 misho 523: void ait_sortVarsByVal(array_t * __restrict vars, int order,
1.1 misho 524: int (*cmp)(const void*, const void*));
525: /*
526: * ait_findKeyVars() - Find variable by key from array
527: *
528: * @vars = Variables
529: * @key = Search key
530: * return: NULL error or not found, !=NULL valid element
531: */
532: ait_val_t *ait_findKeyVars(array_t * __restrict vars, unsigned short key);
533: /*
534: * ait_findKeyHash() - Find variable by hash string from array
535: *
536: * @vars = Variables
537: * @key = Search string
538: * return: NULL error or not found, !=NULL valid element
539: */
1.2 misho 540: ait_val_t *ait_findKeyHash(array_t * __restrict vars, const char * __restrict key);
1.1 misho 541: /*
542: * ait_hashKeyVars() - Generate hash keys for variables
543: *
544: * @vars = Variables
545: * return -1 error or 0 ok
546: */
1.2 misho 547: int ait_hashKeyVars(array_t * __restrict vars);
1.1 misho 548:
549:
550: #endif