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Posted 12 Aug 2006

Tiny C Runtime Library

, 25 Mar 2007
Reduce code bloat for those simple utility programs by using a streamlined C runtime - now with Unicode support!
// alloc.cpp

// based on:
// LIBCTINY - Matt Pietrek 2001
// MSDN Magazine, January 2001

// 08/12/06 (mv)

#include <windows.h>
#include <malloc.h>
#include "libct.h"


__declspec(restrict, noalias) void *malloc(size_t size)
    return HeapAlloc(GetProcessHeap(), 0, size);

__declspec(noalias) void free(void *p)
    HeapFree(GetProcessHeap(), 0, p);

__declspec(restrict, noalias) void *realloc(void *p, size_t size)
    if (p)
        return HeapReAlloc(GetProcessHeap(), 0, p, size);
        return HeapAlloc(GetProcessHeap(), 0, size);

__declspec(restrict, noalias) void *calloc(size_t nitems, size_t size)
    return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nitems * size);

void *_calloc_crt(size_t nitems, size_t size)
	return calloc(nitems, size);

void *_nh_malloc(size_t size, int nhFlag)
    return HeapAlloc(GetProcessHeap(), 0, size);

size_t _msize(void *p)
    return HeapSize(GetProcessHeap(), 0, p);


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About the Author

United States United States
Mike_V is currently a student at UCLA.

After a few years on the Dark Side, he reformed and now chants "Death to VB." His computer-related interests include C++, C#, and ASP.NET (in C#, of course). He writes operating systems in C++ and assembler as a hobby.

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