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https://github.com/Polprzewodnikowy/SummerCart64.git
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23 lines
495 B
C
23 lines
495 B
C
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#include <errno.h>
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#include <sys/types.h>
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extern char _sheap __attribute__((section(".data")));
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extern char _eheap __attribute__((section(".data")));
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caddr_t _sbrk_r (struct _reent *prt, ptrdiff_t incr) {
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static char *curr_heap_end = &_sheap;
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char *prev_heap_end;
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prev_heap_end = curr_heap_end;
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curr_heap_end += incr;
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if (curr_heap_end > &_eheap) {
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errno = ENOMEM;
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return (caddr_t) -1;
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}
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return (caddr_t) prev_heap_end;
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}
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