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Rev 816 |
Rev 829 |
#include <stddef.h>
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#include <stddef.h>
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extern char _end[];
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extern char _end[];
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static char *curbrk = _end;
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static char *curbrk = _end;
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extern char _heapend; /* End of heap */
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extern char _heapend; /* End of heap */
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void *
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void *
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sbrk (ptrdiff_t incr)
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sbrk (ptrdiff_t incr)
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{
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{
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char *oldbrk = curbrk;
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char *oldbrk = curbrk;
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if (curbrk + incr > &_heapend)
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if (curbrk + incr > &_heapend)
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return (void *) -1;
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return (void *) -1;
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curbrk += incr;
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curbrk += incr;
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return oldbrk;
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return oldbrk;
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}
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}
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