libelwix/inc/elwix/avar.h - view

File: [ELWIX - Embedded LightWeight unIX -] / libelwix / inc / elwix / avar.h
Revision 1.11: download - view: text, annotated - select for diffs - revision graph
Tue Sep 24 15:49:52 2019 UTC (4 years, 8 months ago) by misho
Branches: MAIN
CVS tags: elwix5_0, elwix4_26, elwix4_25, elwix4_24, elwix4_23, elwix4_22, HEAD, ELWIX4_26, ELWIX4_25, ELWIX4_24, ELWIX4_23, ELWIX4_22, ELWIX4_21

ver. 4.21

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 1.11 2019/09/24 15:49:52 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 __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 __packed { 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_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; 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 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 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: 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)); \ 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); 147: #define AIT_SET_PTR(_vl, _p, _len) do { ait_val_t *__val = (_vl); \ 148: assert(__val && !AIT_CONST(__val)); \ 149: __val->val_type = ptr; __val->val.ptr = _p; \ 150: AIT_LEN(__val) = _len; } while (0) 151: #define AIT_RE_BUF(_vl, _len) do { ait_val_t *__val = (_vl); \ 152: assert(__val && !__val->val_in && !AIT_CONST(__val)); \ 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) 157: #define AIT_SET_BUFSIZ(_vl, _c, _len) do { ait_val_t *__val = (_vl); \ 158: assert(__val && !AIT_CONST(__val)); \ 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) 165: #define AIT_SET_BUF(_vl, _v, _len) do { ait_val_t *__val = (_vl); void *__p = (_v); \ 166: assert(__val && !AIT_CONST(__val)); \ 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) 176: #define AIT_SET_STR(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); \ 177: assert(__val && !AIT_CONST(__val)); \ 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) 189: #define AIT_SET_STRSIZ(_vl, _len) do { ait_val_t *__val = (_vl); \ 190: assert(__val && !AIT_CONST(__val)); \ 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; \ 199: assert(__val && !__val->val_in && !AIT_CONST(__val)); \ 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; \ 218: assert(__val && !__val->val_in && !AIT_CONST(__val)); \ 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); \ 232: assert(__val && !__val->val_in && !AIT_CONST(__val)); \ 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) 243: #define AIT_SET_BLOB(_vl, _n, _len) do { ait_val_t *__val = (_vl); \ 244: assert(__val && !AIT_CONST(__val)); \ 245: __val->val_type = blob; __val->val.blob = _n; \ 246: AIT_LEN(__val) = _len; } while (0) 247: #define AIT_SET_BLOB2(_vl, _bv) do { ait_val_t *__val = (_vl); assert((_bv)); \ 248: assert(__val && !AIT_CONST(__val)); \ 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: 254: #define AIT_SET_U8(_vl, _n) do { ait_val_t *__val = (_vl); \ 255: assert(__val && !AIT_CONST(__val)); \ 256: __val->val_type = u8; __val->val.u8 = _n; \ 257: AIT_LEN(__val) = sizeof(uint8_t); } while (0) 258: #define AIT_SET_U16(_vl, _n) do { ait_val_t *__val = (_vl); \ 259: assert(__val && !AIT_CONST(__val)); \ 260: __val->val_type = u16; __val->val.u16 = _n; \ 261: AIT_LEN(__val) = sizeof(uint16_t); } while (0) 262: #define AIT_SET_U32(_vl, _n) do { ait_val_t *__val = (_vl); \ 263: assert(__val && !AIT_CONST(__val)); \ 264: __val->val_type = u32; __val->val.u32 = _n; \ 265: AIT_LEN(__val) = sizeof(uint32_t); } while (0) 266: #define AIT_SET_U64(_vl, _n) do { ait_val_t *__val = (_vl); \ 267: assert(__val && !AIT_CONST(__val)); \ 268: __val->val_type = u64; __val->val.u64 = _n; \ 269: AIT_LEN(__val) = sizeof(uint64_t); } while (0) 270: #define AIT_SET_I8(_vl, _n) do { ait_val_t *__val = (_vl); \ 271: assert(__val && !AIT_CONST(__val)); \ 272: __val->val_type = i8; __val->val.i8 = _n; \ 273: AIT_LEN(__val) = sizeof(int8_t); } while (0) 274: #define AIT_SET_I16(_vl, _n) do { ait_val_t *__val = (_vl); \ 275: assert(__val && !AIT_CONST(__val)); \ 276: __val->val_type = i16; __val->val.i16 = _n; \ 277: AIT_LEN(__val) = sizeof(int16_t); } while (0) 278: #define AIT_SET_I32(_vl, _n) do { ait_val_t *__val = (_vl); \ 279: assert(__val && !AIT_CONST(__val)); \ 280: __val->val_type = i32; __val->val.i32 = _n; \ 281: AIT_LEN(__val) = sizeof(int32_t); } while (0) 282: #define AIT_SET_I64(_vl, _n) do { ait_val_t *__val = (_vl); \ 283: assert(__val && !AIT_CONST(__val)); \ 284: __val->val_type = i64; __val->val.i64 = _n; \ 285: AIT_LEN(__val) = sizeof(int64_t); } while (0) 286: #define AIT_SET_F32(_vl, _n) do { ait_val_t *__val = (_vl); \ 287: assert(__val && !AIT_CONST(__val)); \ 288: __val->val_type = f32; __val->val.f32 = _n; \ 289: AIT_LEN(__val) = sizeof(float); } while (0) 290: #define AIT_SET_F64(_vl, _n) do { ait_val_t *__val = (_vl); \ 291: assert(__val && !AIT_CONST(__val)); \ 292: __val->val_type = f64; __val->val.f64 = _n; \ 293: AIT_LEN(__val) = sizeof(double); } while (0) 294: 295: #define AIT_COPY_VAL(_vl, _v) do { assert((_vl) && (_v) && !AIT_CONST((_vl))); \ 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: /* Additional helper macro, which can help about copy data variables */ 312: #define AIT_COPY_DATA(_vl, _v) do { AIT_COPY_VAL((_vl), (_v)); \ 313: if (AIT_TYPE((_vl)) == data) \ 314: AIT_SET_DATA((_vl), AIT_GET_DATA((_v)), \ 315: AIT_LEN((_v))); \ 316: } while (0) 317: 318: #define AIT_VAL_INITIALIZER(_vl) { .val_type = empty, { .val_opt = 0 }, \ 319: .val_key = 0, .val_len = 0, \ 320: .val.net = 0LL \ 321: } 322: #define AIT_VAL_INIT AIT_VAL_INITIALIZER() 323: #define AIT_INIT_VAL(_vl) (memset((_vl), 0, sizeof(ait_val_t))) 324: #define AIT_INIT_VAL2(_vl, _t) do { \ 325: AIT_INIT_VAL((_vl)); \ 326: (_vl)->val_type = _t; \ 327: } while (0) 328: /* if attribute zeroCopy is set not execute e_free() */ 329: #define AIT_FREE_VAL(_vl) do { ait_val_t *__val = (_vl); assert(__val); \ 330: switch (AIT_TYPE(__val)) { \ 331: case buffer: \ 332: if (!__val->val_in && \ 333: __val->val.buffer) \ 334: e_free(__val->val.buffer); \ 335: __val->val.buffer = NULL; \ 336: break; \ 337: case string: \ 338: if (!__val->val_in && \ 339: __val->val.string) \ 340: e_free(__val->val.string); \ 341: __val->val.string = NULL; \ 342: break; \ 343: default: \ 344: break; \ 345: } \ 346: __val->val_type = empty; \ 347: __val->val_opt ^= __val->val_opt; \ 348: AIT_LEN(__val) = 0; \ 349: AIT_KEY(__val) = 0; \ 350: } while (0) 351: #define AIT_ZERO_VAL(_vl) do { ait_val_t *__val = (_vl); \ 352: assert(__val && !AIT_CONST(__val)); \ 353: switch (AIT_TYPE(__val)) { \ 354: case buffer: \ 355: case string: \ 356: if (__val->val.buffer) \ 357: memset(__val->val.buffer, 0, \ 358: AIT_LEN(__val)); \ 359: break; \ 360: case data: \ 361: memset(__val->val_data, 0, AIT_LEN(__val)); \ 362: break; \ 363: default: \ 364: __val->val.net = 0LL; \ 365: break; \ 366: } \ 367: AIT_KEY(__val) = 0; \ 368: } while (0) 369: 370: 371: /* 372: * ait_vars2buffer() - Marshaling data from array with variables to buffer 373: * 374: * @buf = Buffer 375: * @buflen = Size of buffer 376: * @vars = Variable array 377: * return: -1 error, 0 nothing done or >0 size of marshaled data 378: */ 379: int ait_vars2buffer(unsigned char * __restrict buf, int buflen, 380: array_t * __restrict vars); 381: /* 382: * ait_buffer2vars() - De-marshaling data from buffer to array with variables 383: * 384: * @buf = Buffer 385: * @buflen = Size of buffer 386: * @vnum = Number of variables into buffer 387: * @zcpy = Zero-copy for variables, if !=0 don't use array_Free() for free variables and 388: *DON'T MODIFY OR DESTROY BUFFER*. =0 call array_Free() before array_Destroy() 389: * return: =NULL error, !=NULL allocated variable array, after use must free with array_Destroy() 390: */ 391: array_t *ait_buffer2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy); 392: /* 393: * ait_vars2map() - Marshaling data from array with variables to memory map 394: * 395: * @buf = Buffer 396: * @buflen = Size of buffer 397: * @vars = Variable array 398: * return: -1 error, 0 nothing done or >0 size of marshaled data 399: */ 400: int ait_vars2map(unsigned char * __restrict buf, int buflen, array_t * __restrict vars); 401: /* 402: * ait_map2vars() - De-marshaling data from memory map to array with variables 403: * 404: * @buf = Buffer 405: * @buflen = Size of buffer 406: * @vnum = Number of variables into buffer 407: * @zcpy = Zero-copy for variables, if !=0 don't use array_Free() for free variables and 408: *DON'T MODIFY OR DESTROY BUFFER*. =0 call array_Free() before array_Destroy() 409: * return: =NULL error, !=NULL allocated variable array, after use must free with array_Destroy() 410: */ 411: array_t *ait_map2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy); 412: 413: 414: /* 415: * ait_allocVar() - Allocate memory for variable 416: * 417: * return: NULL error or new variable, after use free variable with ait_freeVar() 418: */ 419: ait_val_t *ait_allocVar(void); 420: /* 421: * ait_freeVar() - Free allocated memory for variable 422: * 423: * @val = Variable 424: * return: none 425: */ 426: void ait_freeVar(ait_val_t ** __restrict val); 427: /* 428: * ait_makeVar() - Allocate memory and fill variable 429: * 430: * @type = type of variable 431: * @... = arg1 is value of variable 432: * @... = arg2 is length of variabla. Not required for numbers and strings! 433: * return: NULL error or new variable, after use free variable with ait_freeVar() 434: */ 435: ait_val_t *ait_makeVar(ait_type_t type, ...); 436: /* 437: * ait_getlikeVar() - Get variable like ... 438: * 439: * @v = variable 440: * return: return raw data 441: */ 442: uint64_t ait_getlikeVar(ait_val_t * __restrict v); 443: /* 444: * ait_setlikeVar() - Set variable like ... 445: * 446: * @v = variable 447: * @t = type of data 448: * @l = length of data 449: * @... = data 450: * return: -1 error or 0 ok 451: */ 452: int ait_setlikeVar(ait_val_t * __restrict v, ait_type_t t, unsigned int l, ...); 453: /* 454: * ait_sprintfVar() - Builtin string variable from formatted input 455: * 456: * @v = variable 457: * @fmt = format string 458: * @... = argument(s) 459: * return: -1 error or >0 copied bytes to variable 460: */ 461: int ait_sprintfVar(ait_val_t * __restrict v, const char *fmt, ...); 462: /* 463: * ait_cmpVar() - Compare two variables 464: * 465: * @a = 1st variable 466: * @b = 2nd variable 467: * return: 0 is equal or !=0 is different 468: */ 469: int ait_cmpVar(ait_val_t * __restrict a, ait_val_t * __restrict b); 470: /* 471: * ait_hashVar() - Generate hash key for variable from string or value 472: * 473: * @v = variable 474: * @key = key string for hash, if =NULL hash will built from variable 475: * return: hash key 476: */ 477: unsigned short ait_hashVar(ait_val_t * __restrict v, const char * __restrict key); 478: 479: 480: /* 481: * ait_allocVars() - Allocate ait_val_t array 482: * 483: * @varnum = Number of variables 484: * return: =NULL error or !=NULL allocated array 485: */ 486: array_t *ait_allocVars(int varnum); 487: /* 488: * ait_clrVars() - Clear ait_val_t elements from array 489: * 490: * @vars = Variable array 491: * return: -1 error or size of array 492: */ 493: int ait_clrVars(array_t * __restrict vars); 494: /* 495: * ait_freeVars() - Free ait_val_t array 496: * 497: * @vars = Variable array 498: * return: none 499: */ 500: void ait_freeVars(array_t ** __restrict vars); 501: /* 502: * ait_getVars() - Get ait_val_t element from array and if not exists allocate it 503: * 504: * @vars = Variable array 505: * @n = index of variable into array 506: * return: NULL error or !=NULL ait_val_t element 507: */ 508: ait_val_t *ait_getVars(array_t ** __restrict vars, int n); 509: /* 510: * ait_resideVars() - Calculate footprint of resided variables into array 511: * 512: * @vars = Variable array 513: * return: bytes for whole array 514: */ 515: size_t ait_resideVars(array_t * __restrict vars); 516: /* 517: * ait_sortVarsByKey() - Sorting array with variables by key 518: * 519: * @vars = Variable array 520: * @order = Sort order. If =0 ascend or !=0 descend 521: * return: none 522: */ 523: void ait_sortVarsByKey(array_t * __restrict vars, int order); 524: /* 525: * ait_sortVarsByVal() - Sorting array with variables by value 526: * 527: * @vars = Variable array 528: * @order = Sort order. If =0 ascend or !=0 descend 529: * @cmp = Custom compare function for sorting. If =NULL compare by value 530: * return: none 531: */ 532: void ait_sortVarsByVal(array_t * __restrict vars, int order, 533: int (*cmp)(const void*, const void*)); 534: /* 535: * ait_findKeyVars() - Find variable by key from array 536: * 537: * @vars = Variables 538: * @key = Search key 539: * return: NULL error or not found, !=NULL valid element 540: */ 541: ait_val_t *ait_findKeyVars(array_t * __restrict vars, unsigned short key); 542: /* 543: * ait_findKeyHash() - Find variable by hash string from array 544: * 545: * @vars = Variables 546: * @key = Search string 547: * return: NULL error or not found, !=NULL valid element 548: */ 549: ait_val_t *ait_findKeyHash(array_t * __restrict vars, const char * __restrict key); 550: /* 551: * ait_hashKeyVars() - Generate hash keys for variables 552: * 553: * @vars = Variables 554: * return -1 error or 0 ok 555: */ 556: int ait_hashKeyVars(array_t * __restrict vars); 557: 558: 559: #endif