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#include <io.h>
#include <libc.h>
#include <unistd.h>
#include <stdio.h>
void (*__dummy_atexit_fvec)(void);
weak_reference(__dummy_atexit_fvec, __atexit_fvec);
void (*__dummy_stdio_cleanup)(void);
weak_reference(__dummy_stdio_cleanup, __stdio_cleanup);
static void __fclose(FILE *fp)
{
if (fp == NULL) {
return;
}
if (fp->buf_len > 0) {
fflush(fp);
}
if (fp->fd > STDERR_FILENO) {
close(fp->fd);
}
if (fp->buf) {
free(fp->buf);
}
if (fp != stdout && fp != stderr && fp != stdin) {
free(fp);
}
}
static void __stdio_cleanup_impl(void)
{
write(1, "HELLO\n", 6);
fflush(stdout);
if (stdout->next != NULL) {
FILE *cur = stdout->next;
while (cur) {
struct __FILE *next = cur->next;
__fclose(cur);
cur = next;
}
}
}
void exit(int status)
{
void (*fptr)(void);
/* Only do stdio cleanup if it was referenced (meaning stdio was used)
*/
if (__stdio_cleanup) {
__stdio_cleanup_impl();
}
if (__atexit_fvec) {
fptr = __atexit_fvec;
while (fptr) {
fptr();
fptr++;
}
}
_exit(status);
}
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