ref: efd1615c5741a6898853fefc24b1cbcb734e5477
dir: /utils/vl/compat.c/
#include "l.h"
/*
* fake malloc
*/
void*
malloc(ulong n)
{
void *p;
while(n & 7)
n++;
while(nhunk < n)
gethunk();
p = hunk;
nhunk -= n;
hunk += n;
return p;
}
void
free(void *p)
{
USED(p);
}
void*
calloc(ulong m, ulong n)
{
void *p;
n *= m;
p = malloc(n);
memset(p, 0, n);
return p;
}
void*
realloc(void*, ulong)
{
fprint(2, "realloc called\n");
abort();
return 0;
}
void*
mysbrk(ulong size)
{
return sbrk(size);
}
void
setmalloctag(void *v, ulong pc)
{
USED(v, pc);
}
int
fileexists(char *s)
{
uchar dirbuf[400];
/* it's fine if stat result doesn't fit in dirbuf, since even then the file exists */
return stat(s, dirbuf, sizeof(dirbuf)) >= 0;
}