src/stdio/__stdio_exit.c

   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
   8 static 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
  16 void __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);