19 lines
375 B
C
19 lines
375 B
C
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/* See LICENSE of license details. */
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#include <stddef.h>
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#include "weak_under_alias.h"
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void *__wrap_sbrk(ptrdiff_t incr)
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{
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extern char _end[];
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extern char _heap_end[];
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static char *curbrk = _end;
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if ((curbrk + incr < _end) || (curbrk + incr > _heap_end))
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return NULL - 1;
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curbrk += incr;
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return curbrk - incr;
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}
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weak_under_alias(sbrk);
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