View file File name : cmalloc.swg Content :/* ----------------------------------------------------------------------------- * cmalloc.swg * * This library file contains macros that can be used to create objects using * the C malloc function. * ----------------------------------------------------------------------------- */ %{ #include <stdlib.h> %} /* %malloc(TYPE [, NAME = TYPE]) %calloc(TYPE [, NAME = TYPE]) %realloc(TYPE [, NAME = TYPE]) %free(TYPE [, NAME = TYPE]) %allocators(TYPE [,NAME = TYPE]) Creates functions for allocating/reallocating memory. TYPE *malloc_NAME(size_t nbytes = sizeof(TYPE); TYPE *calloc_NAME(size_t nobj=1, size_t size=sizeof(TYPE)); TYPE *realloc_NAME(TYPE *ptr, size_t nbytes); void free_NAME(TYPE *ptr); */ %define %malloc(TYPE,NAME...) #if #NAME != "" %rename(malloc_##NAME) ::malloc(size_t nbytes); #else %rename(malloc_##TYPE) ::malloc(size_t nbytes); #endif #if #TYPE != "void" %typemap(default) size_t nbytes "$1 = (size_t) sizeof(TYPE);" #endif TYPE *malloc(size_t nbytes); %typemap(default) size_t nbytes; %enddef %define %calloc(TYPE,NAME...) #if #NAME != "" %rename(calloc_##NAME) ::calloc(size_t nobj, size_t sz); #else %rename(calloc_##TYPE) ::calloc(size_t nobj, size_t sz); #endif #if #TYPE != "void" %typemap(default) size_t sz "$1 = (size_t) sizeof(TYPE);" #else %typemap(default) size_t sz "$1 = 1;" #endif %typemap(default) size_t nobj "$1 = 1;" TYPE *calloc(size_t nobj, size_t sz); %typemap(default) size_t sz; %typemap(default) size_t nobj; %enddef %define %realloc(TYPE,NAME...) %insert("header") { #if #NAME != "" TYPE *realloc_##NAME(TYPE *ptr, size_t nitems) #else TYPE *realloc_##TYPE(TYPE *ptr, size_t nitems) #endif { #if #TYPE != "void" return (TYPE *) realloc(ptr, nitems*sizeof(TYPE)); #else return (TYPE *) realloc(ptr, nitems); #endif } } #if #NAME != "" TYPE *realloc_##NAME(TYPE *ptr, size_t nitems); #else TYPE *realloc_##TYPE(TYPE *ptr, size_t nitems); #endif %enddef %define %free(TYPE,NAME...) #if #NAME != "" %rename(free_##NAME) ::free(TYPE *ptr); #else %rename(free_##TYPE) ::free(TYPE *ptr); #endif void free(TYPE *ptr); %enddef %define %sizeof(TYPE,NAME...) #if #NAME != "" %constant size_t sizeof_##NAME = sizeof(TYPE); #else %constant size_t sizeof_##TYPE = sizeof(TYPE); #endif %enddef %define %allocators(TYPE,NAME...) %malloc(TYPE,NAME) %calloc(TYPE,NAME) %realloc(TYPE,NAME) %free(TYPE,NAME) #if #TYPE != "void" %sizeof(TYPE,NAME) #endif %enddef