55 lines
755 B
C
55 lines
755 B
C
#include <stdio.h>
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#include <stdlib.h>
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struct ScopeCount
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{
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int count;
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int is_alias;
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void *item;
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};
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struct ScopeCount scope_count(void *item)
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{
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struct ScopeCount sc;
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sc.count = 0;
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sc.is_alias = 0;
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sc.item = item;
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return sc;
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}
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void end_scope(struct ScopeCount *sc)
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{
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if (sc->count == 0)
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{
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free(sc->item);
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}
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sc->count--;
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}
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struct ScopeCount do_something()
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{
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struct ScopeCount sc = scope_count((void *)malloc(sizeof(int)));
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*(int *)sc.item = 67;
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sc.count = 1;
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end_scope(&sc);
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return sc;
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}
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int main()
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{
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struct ScopeCount sc = do_something();
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printf("value: %d\n", *(int *)sc.item);
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end_scope(&sc);
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printf("value: %d\n", *(int *)sc.item);
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return 0;
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}
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