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       _getheap.c - scc - simple c99 compiler
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       ---
       _getheap.c (433B)
       ---
            1 #include <errno.h>
            2 #include <stddef.h>
            3 
            4 #include "../../syscall.h"
            5 
            6 static char heap[16384];
            7 
            8 /*
            9  * TODO: Temporary solution until we implement mmap in Darwin
           10  *       because it does not support any form of brk().
           11  */
           12 void *
           13 _getheap(void)
           14 {
           15         return heap;
           16 }
           17 
           18 int
           19 _brk(void *addr)
           20 {
           21         static char *cur = heap;
           22         char *p = addr;
           23 
           24         if (p < heap || p > &heap[sizeof(heap) - 1]) {
           25                 errno = ENOMEM;
           26                 return -1;
           27         }
           28         cur = p;
           29 
           30         return 0;
           31 }