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- #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;
- }
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