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yajl_common.h

/*
 * Copyright 2010, Lloyd Hilaiel.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 * 
 *  3. Neither the name of Lloyd Hilaiel nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */ 

#ifndef __YAJL_COMMON_H__
#define __YAJL_COMMON_H__

#ifdef __cplusplus
extern "C" {
#endif    

#define YAJL_MAX_DEPTH 128

/* msft dll export gunk.  To build a DLL on windows, you
 * must define WIN32, YAJL_SHARED, and YAJL_BUILD.  To use a shared
 * DLL, you must define YAJL_SHARED and WIN32 */
#if defined(WIN32) && defined(YAJL_SHARED)
#  ifdef YAJL_BUILD
#    define YAJL_API __declspec(dllexport)
#  else
#    define YAJL_API __declspec(dllimport)
#  endif
#else
#  if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 303
#    define YAJL_API __attribute__ ((visibility("default")))
#  else
#    define YAJL_API
#  endif
#endif 

/** pointer to a malloc function, supporting client overriding memory
 *  allocation routines */
typedef void * (*yajl_malloc_func)(void *ctx, unsigned int sz);

/** pointer to a free function, supporting client overriding memory
 *  allocation routines */
typedef void (*yajl_free_func)(void *ctx, void * ptr);

/** pointer to a realloc function which can resize an allocation. */
typedef void * (*yajl_realloc_func)(void *ctx, void * ptr, unsigned int sz);

/** A structure which can be passed to yajl_*_alloc routines to allow the
 *  client to specify memory allocation functions to be used. */
00072 typedef struct
{
    /** pointer to a function that can allocate uninitialized memory */
00075     yajl_malloc_func malloc;
    /** pointer to a function that can resize memory allocations */
00077     yajl_realloc_func realloc;
    /** pointer to a function that can free memory allocated using
     *  reallocFunction or mallocFunction */
00080     yajl_free_func free;
    /** a context pointer that will be passed to above allocation routines */
00082     void * ctx;
} yajl_alloc_funcs;

#ifdef __cplusplus
}
#endif    

#endif

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