1 #include "stdio_impl.h" 2 3 static FILE *volatile dummy_file = 0; 4 weak_alias(dummy_file, __stdin_used); 5 weak_alias(dummy_file, __stdout_used); 6 weak_alias(dummy_file, __stderr_used); 7 close_file(FILE * f)8static void close_file(FILE *f) 9 { 10 if (!f) return; 11 FFINALLOCK(f); 12 if (f->wpos != f->wbase) f->write(f, 0, 0); 13 if (f->rpos != f->rend) f->seek(f, f->rpos-f->rend, SEEK_CUR); 14 } 15 __stdio_exit(void)16void __stdio_exit(void) 17 { 18 FILE *f; 19 for (f=*__ofl_lock(); f; f=f->next) close_file(f); 20 close_file(__stdin_used); 21 close_file(__stdout_used); 22 close_file(__stderr_used); 23 } 24 25 weak_alias(__stdio_exit, __stdio_exit_needed); 26