{
}
-/* __towrite.c and atexit.c override these */
+/* __toread.c, __towrite.c, and atexit.c override these */
weak_alias(dummy, __funcs_on_exit);
-weak_alias(dummy, __fflush_on_exit);
+weak_alias(dummy, __flush_on_exit);
+weak_alias(dummy, __seek_on_exit);
void exit(int code)
{
__funcs_on_exit();
if (libc.fini) libc.fini();
if (libc.ldso_fini) libc.ldso_fini();
- __fflush_on_exit();
+ __flush_on_exit();
+ __seek_on_exit();
_Exit(code);
for(;;);
--- /dev/null
+#include "stdio_impl.h"
+
+static FILE *const dummy_file = 0;
+weak_alias(dummy_file, __stdin_used);
+weak_alias(dummy_file, __stdout_used);
+weak_alias(dummy_file, __stderr_used);
+
+static void close_file(FILE *f)
+{
+ if (!f) return;
+ FLOCK(f);
+ if (f->wpos > f->wbase) f->write(f, 0, 0);
+ if (f->rpos < f->rend) f->seek(f, f->rpos-f->rend, SEEK_CUR);
+}
+
+void __stdio_exit(void)
+{
+ FILE *f;
+ OFLLOCK();
+ for (f=libc.ofl_head; f; f=f->next) close_file(f);
+ close_file(__stdin_used);
+ close_file(__stdout_used);
+}
f->rpos = f->rend = f->buf;
return 0;
}
+
+static const int dummy = 0;
+weak_alias(dummy, __towrite_used);
+
+void __seek_on_exit()
+{
+ if (!__towrite_used) __stdio_exit();
+}
return 0;
}
-/* Link flush-on-exit code iff any stdio write functions are linked. */
-void __fflush_on_exit()
+const int __towrite_used = 1;
+
+void __flush_on_exit()
{
- fflush(0);
+ __stdio_exit();
}