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#include	"l.h"
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/*
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 * fake malloc
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 */
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void*
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malloc(ulong n)
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{
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	void *p;
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	while(n & 7)
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		n++;
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	while(nhunk < n)
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		gethunk();
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	p = hunk;
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	nhunk -= n;
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	hunk += n;
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	return p;
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}
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void
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free(void *p)
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{
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	USED(p);
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}
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void*
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calloc(ulong m, ulong n)
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{
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	void *p;
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	n *= m;
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	p = malloc(n);
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	memset(p, 0, n);
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	return p;
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}
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void*
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realloc(void*, ulong)
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{
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	fprint(2, "realloc called\n");
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	abort();
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	return 0;
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}
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void*
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mysbrk(ulong size)
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{
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	return sbrk(size);
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}
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void
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setmalloctag(void *v, ulong pc)
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{
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	USED(v, pc);
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}
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int
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fileexists(char *s)
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{
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	uchar dirbuf[400];
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	/* it's fine if stat result doesn't fit in dirbuf, since even then the file exists */
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	return stat(s, dirbuf, sizeof(dirbuf)) >= 0;
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}