sbrk.c - vx32 - Local 9vx git repository for patches.
 (HTM) git clone git://r-36.net/vx32
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       sbrk.c (328B)
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            1 #include <unistd.h>
            2 #include <errno.h>
            3 #include "syscall.h"
            4 
            5 extern void end;
            6 
            7 static void *brk = &end;
            8 
            9 void *sbrk(intptr_t increment)
           10 {
           11         void *oldbrk = brk;
           12         void *newbrk = (char*)brk + increment;
           13         int ret = syscall(VXSYSBRK, (unsigned)newbrk, 0, 0, 0, 0);
           14         if(ret == -1)
           15                 return (void*)-1;
           16         brk = newbrk;
           17         return oldbrk;
           18 }
           19