Annotation of libelwix/inc/elwix/aiov.h, revision 1.2
1.2 ! misho 1: /*************************************************************************
! 2: * (C) 2021 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
! 3: * by Michael Pounov <misho@elwix.org>
! 4: *
! 5: * $Author: misho $
! 6: * $Id: aiov.h,v 1.1.2.5 2021/03/21 01:31:07 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 - 2021
! 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 __AIOV_H
! 47: #define __AIOV_H
! 48:
! 49:
! 50: struct tagIOV {
! 51: size_t iov_size;
! 52: struct iovec *iov_array;
! 53: };
! 54: typedef struct tagIOV iovec_t;
! 55:
! 56: #define iov_Size(x) (x)->iov_size
! 57: #define iov_Array(x) (x)->iov_array
! 58:
! 59: /*
! 60: * iov_Init() - Init new iovec array
! 61: *
! 62: * return: =NULL error, !=NULL ready array
! 63: */
! 64: iovec_t *iov_Init();
! 65: /*
! 66: * iov_Destroy() - Destroy iovec array
! 67: *
! 68: * @iov = iovec array
! 69: * return: none
! 70: */
! 71: void iov_Destroy(iovec_t ** __restrict iov);
! 72: /*
! 73: * iov_Get() - Get data and length from position
! 74: *
! 75: * @iov = iovec array
! 76: * @pos = position
! 77: * @data = data
! 78: * @datlen = data length
! 79: * return: -1 error, 0 ok
! 80: */
! 81: int iov_Get(iovec_t * __restrict iov, unsigned int pos, void *data, size_t *datlen);
! 82: /*
! 83: * iov_Insert() - Insert data at position into array
! 84: *
! 85: * @iov = iovec array
! 86: * @pos = position
! 87: * @data = data
! 88: * @datlen = data length
! 89: * return: -1 error, 0 ok
! 90: */
! 91: int iov_Insert(iovec_t * __restrict iov, unsigned int pos, void *data, size_t datlen);
! 92: /*
! 93: * iov_Delete() - Delete data at position into array
! 94: *
! 95: * @iov = iovec array
! 96: * @pos = position
! 97: * @mustfree = data must be free before delete
! 98: * return: -1 error, 0 ok
! 99: */
! 100: int iov_Delete(iovec_t * __restrict iov, unsigned int pos, int mustfree);
! 101: /*
! 102: * iov_Push() - Push data on first free position
! 103: *
! 104: * @iov = iovec array
! 105: * @data = data
! 106: * @datlen = data length
! 107: * return: -1 error, !=-1 pushed at position
! 108: */
! 109: int iov_Push(iovec_t * __restrict iov, void *data, size_t datlen);
! 110: /*
! 111: * iov_Pop() - Pop data from last used position
! 112: *
! 113: * @iov = iovec array
! 114: * @data = data
! 115: * @datlen = data length
! 116: * @mustfree = data must be free before delete
! 117: * return: -1 error, !=-1 poped from position
! 118: */
! 119: int iov_Pop(iovec_t * __restrict iov, void *data, size_t *datlen, int mustfree);
! 120: /*
! 121: * iov_PushPair() - Push pair/named data on first free position
! 122: *
! 123: * @iov = iovec array
! 124: * @name = name of data
! 125: * @data = data
! 126: * @datlen = data length
! 127: * return: -1 error, !=-1 pushed at position
! 128: */
! 129: int iov_PushPair(iovec_t * __restrict iov, const char *name, void *data, size_t datlen);
! 130: /*
! 131: * iov_PopPair() - Pop pair/named data from last used position
! 132: *
! 133: * @iov = iovec array
! 134: * @name = name of data
! 135: * @namlen = name length
! 136: * @data = data
! 137: * @datlen = data length
! 138: * @mustfree = data must be free before delete
! 139: * return: -1 error, !=-1 poped from position
! 140: */
! 141: int iov_PopPair(iovec_t * __restrict iov, char *name, size_t *namlen,
! 142: void *data, size_t *datlen, int mustfree);
! 143: /*
! 144: * iov_FreePairs() - Free pairs/named data in iovec array
! 145: *
! 146: * @iov = iovec array
! 147: * @mustfree = data must be free before delete
! 148: * return: -1 error or 0 ok
! 149: */
! 150: int iov_FreePairs(iovec_t * __restrict iov, int mustfree);
! 151:
! 152: /*
! 153: * iov_Debug() - Debug of iovec array
! 154: *
! 155: * @iov = iovec array
! 156: * return: none
! 157: */
! 158: void iov_Debug(iovec_t * __restrict iov);
! 159:
! 160:
! 161: #endif
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