39 lines
547 B
C
39 lines
547 B
C
#include <stdlib.h>
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struct atexit_n
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{
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struct atexit_n* last;
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void (*func)(void);
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};
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struct atexit_n *__last_n = NULL;
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int atexit( void (*func)(void) )
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{
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struct atexit_n* n = malloc(sizeof(struct atexit_n));
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if(n == NULL)
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{
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return 1;
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}
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n->last = __last_n;
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n->func = func;
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__last_n = n;
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return 0;
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}
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void __run_atexit()
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{
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struct atexit_n *n = __last_n;
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while (n != NULL)
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{
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n->func();
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struct atexit_n *to_free = n;
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n = n->last;
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free(to_free);
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}
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}
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