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Annotation of libaitio/inc/defs.h, revision 1.5.10.1

1.1       misho       1: /*************************************************************************
1.2       misho       2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
                      3: *  by Michael Pounov <misho@elwix.org>
1.1       misho       4: *
                      5: * $Author: misho $
1.5.10.1! misho       6: * $Id: defs.h,v 1.5 2012/03/15 01:52:22 misho Exp $
1.1       misho       7: *
1.2       misho       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
                     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: */
1.1       misho      46: #ifndef __DEFS_H
                     47: #define __DEFS_H
                     48: 
                     49: 
1.4       misho      50: #define STRSIZ                 256
                     51: #define RECV_TIMEOUT           5000
                     52: 
                     53: #define BUFIO_MODE_LIMIT       0
                     54: #define BUFIO_MODE_INFINIT     1
1.1       misho      55: 
1.5.10.1! misho      56: /* memory pool helper macros */
        !            57: 
        !            58: #define MEM_MAGIC_START        0xAAAAAAAA
        !            59: #define MEM_MAGIC_STOP 0x55555555
        !            60: #define MEM_ALLOC_MAX  0xFFFFFFF3
        !            61: 
        !            62: #define MEM_MIN_BUCKET 4
        !            63: #define MEM_MAX_BUCKET 32
        !            64: 
        !            65: #define MEM_PTR2LINT(x)        ((u_int) ((uintptr_t)(x)) & 0xFFFFFFFF)
        !            66: #define MEM_PTR2HINT(x)        ((u_int) (sizeof(uintptr_t) == sizeof(u_int)) ? 0 : \
        !            67:                                (((uintptr_t)(x)) >> 32) & 0xFFFFFFFF)
        !            68: #define MEM_INT2PTR(x) ((void*) ((uintptr_t)(x)))
        !            69: 
        !            70: #define MEM_BADADDR(x) (MEM_PTR2LINT(x) < 0x00001000U || MEM_PTR2LINT(x) > 0xFFFFF000U)
        !            71: #define MEM_CORRUPT(x) (!(x) || ((u_int*)(x))[-1] != MEM_MAGIC_START || \
        !            72:                                ((u_int*)(x))[((u_int*)(x))[-2]] != MEM_MAGIC_STOP)
        !            73: 
        !            74: #define mem_data(x, _type)     (assert((x)), (_type) ((x)->alloc_mem ? ((x)->alloc_mem + 2) : NULL))
        !            75: #define mem_len(x)             (assert((x)), (x)->alloc_mem ? *(x)->alloc_mem : 0)
        !            76: #define mem_size(x)            (mem_len((x)) * sizeof(u_int))
        !            77: 
        !            78: 
1.1       misho      79: #define LOGERR { \
                     80:                        io_Errno = errno; \
                     81:                        strlcpy(io_Error, strerror(errno), STRSIZ); \
                     82:                }
                     83: 
1.4       misho      84: struct tagBufIO {
                     85:        int             buf_mode;
                     86:        struct {
                     87:                void    *buf_base;
                     88:                off_t   buf_size;
                     89:        };
                     90:        off_t           buf_offset;
                     91: 
                     92:        void            (*buf_unmap)();
                     93: };
                     94: 
1.1       misho      95: 
                     96: extern int io_Errno;
                     97: extern char io_Error[];
                     98: 
                     99: inline void io_SetErr(int eno, char *estr, ...);
                    100: 
                    101: 
                    102: #endif