/* * Copyright (c) 2003 Koninklijke Philips Electronics * * Memory allocation functions. * * Contents of this file are not for general export */#ifndef MWSYSTEM_H_INCLUDED #define MWSYSTEM_H_INCLUDED/* * This file defines the memory allocation functions for Microwindows. * It is useful when porting to platforms where Microwindows needs to * use a non-standard memory allocator. * * This file defines macros or functions with the following prototypes: * * void * GdMalloc(size_t new_size); * void * GdCalloc(size_t num, size_t size); * void * GdRealloc(void * block, size_t old_size, size_t new_size); * void * GdFree(void * block); * char * GdStrDup(const char * src); * * The default implementation is to use the standard malloc()/free(). * * Note the extra "old_size" parameter to GdRealloc(). *//* for definitions of calloc, malloc, realloc, and free */#include <stdlib.h>#define GdMalloc(size)                  malloc((size))#define GdCalloc(num,size)              calloc((num),(size))#define GdRealloc(addr,oldsize,newsize) realloc((addr),(newsize))#define GdFree(addr)                    free((addr))#define GdStrDup(string)                strdup((string))/*Hint:  To change old source code to use the memory allocator definedin this file, do (or rather, read, understand, then do):find . \( -path './demos' -prune \) -o \( -name '*.[ch]' -a \! -name mwsystem.h -a -print \) | \xargs perl -i -pWe \'s/malloc(\s*\()/GdMalloc$1/g; s/calloc(\s*\()/GdCalloc$1/g; s/strdup(\s*\()/GdStrDup$1/g; s/free(\s*\()/GdFree$1/g;'(this script is also in src/include/memfix.sh)You have to fix calls to realloc() by hand, since the parameters are different.*/#endif