void (*f[COUNT])(void);
} builtin, *head;
-static int run_atexit_functions(void)
+void __funcs_on_exit()
{
int i;
for (; head; head=head->next) {
for (i=COUNT-1; i>=0 && !head->f[i]; i--);
for (; i>=0; i--) head->f[i]();
}
- return 0;
}
-int (*const __funcs_on_exit)(void) = run_atexit_functions;
-
int atexit(void (*func)(void))
{
static int lock;
#include <stdio.h>
#include "libc.h"
-/* __overflow.c and atexit.c override these */
-static int (*const dummy)() = 0;
+static void dummy()
+{
+}
+
+/* __towrite.c and atexit.c override these */
weak_alias(dummy, __funcs_on_exit);
weak_alias(dummy, __fflush_on_exit);
LOCK(&lock);
/* Only do atexit & stdio flush if they were actually used */
- if (__funcs_on_exit) __funcs_on_exit();
- if (__fflush_on_exit) __fflush_on_exit((void *)0);
+ __funcs_on_exit();
+ __fflush_on_exit();
/* Destructor s**t is kept separate from atexit to avoid bloat */
if (libc.fini) libc.fini();