Dogcows Code - chaz/yoink/blob - yajl/src/yajl/yajl_common.h

   1 /*
   2  * Copyright 2007-2009, Lloyd Hilaiel.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *  1. Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  *
  11  *  2. Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in
  13  *     the documentation and/or other materials provided with the
  14  *     distribution.
  15  *
  16  *  3. Neither the name of Lloyd Hilaiel nor the names of its
  17  *     contributors may be used to endorse or promote products derived
  18  *     from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  22  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  23  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  24  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  25  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  26  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  28  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  29  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #ifndef __YAJL_COMMON_H__
  34 #define __YAJL_COMMON_H__
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 #define YAJL_MAX_DEPTH 128
  41
  42 /* msft dll export gunk.  To build a DLL on windows, you
  43  * must define WIN32, YAJL_SHARED, and YAJL_BUILD.  To use a shared
  44  * DLL, you must define YAJL_SHARED and WIN32 */
  45 #if defined(WIN32) && defined(YAJL_SHARED)
  46 #  ifdef YAJL_BUILD
  47 #    define YAJL_API __declspec(dllexport)
  48 #  else
  49 #    define YAJL_API __declspec(dllimport)
  50 #  endif
  51 #else
  52 #  define YAJL_API
  53 #endif
  54
  55 /** pointer to a malloc function, supporting client overriding memory
  56  *  allocation routines */
  57 typedef void * (*yajl_malloc_func)(void *ctx, unsigned int sz);
  58
  59 /** pointer to a free function, supporting client overriding memory
  60  *  allocation routines */
  61 typedef void (*yajl_free_func)(void *ctx, void * ptr);
  62
  63 /** pointer to a realloc function which can resize an allocation. */
  64 typedef void * (*yajl_realloc_func)(void *ctx, void * ptr, unsigned int sz);
  65
  66 /** A structure which can be passed to yajl_*_alloc routines to allow the
  67  *  client to specify memory allocation functions to be used. */
  68 typedef struct
  69 {
  70     /** pointer to a function that can allocate uninitialized memory */
  71     yajl_malloc_func malloc;
  72     /** pointer to a function that can resize memory allocations */
  73     yajl_realloc_func realloc;
  74     /** pointer to a function that can free memory allocated using
  75      *  reallocFunction or mallocFunction */
  76     yajl_free_func free;
  77     /** a context pointer that will be passed to above allocation routines */
  78     void * ctx;
  79 } yajl_alloc_funcs;
  80
  81 #ifdef __cplusplus
  82 }
  83 #endif
  84
  85 #endif